PATENT DOCUMENT

Publication Number: US-12131429-B2
Application Number: US-202217944911-A
Country: US
Kind Code: B2

Title: Devices, methods, and graphical user interfaces for displaying a representation of a user in an extended reality environment

Abstract:
In some embodiments, a computer system displays a representation of a user associated with an external computer system and the representation includes a visual indication of a portion of a body of the user that is generated based on indirect information of a state of the portion of the body of the user. In some embodiments, a computer system displays one or more portions of a representation of a user with different appearances based on whether the computer system receives information that the one or more portions of the representation are positioned with predefined regions of a physical environment in which the user is located.

Claims:
What is claimed is: 
     
       1. A computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the computer system comprising:
 one or more processors; and 
 memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:
 in response to receiving a request to display a representation of the first user in an extended reality environment:
 displaying in the extended reality environment, via the display generation component, the representation of the first user, wherein the representation of the first user includes:
 a visual indication of a portion of the body of the first user in the extended reality environment, wherein: 
  the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and 
  the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system; 
 
 
 while displaying the visual indication of the first user at a first position with respect to the one or more objects in the extended reality environment, detecting movement of a second portion of the body of the first user; and 
 in response to detecting movement of the second portion of the body the first user, displaying the visual indication of the first user at second position, different from the first position, with respect to the one or more objects in the extended reality environment. 
 
 
     
     
       2. The computer system of  claim 1 , wherein the representation of the first user further includes a second visual indication of a third portion of the body of the first user, wherein the second visual indication of the third portion of the body of the first user includes a blurred extension of the third portion of the body of the first user. 
     
     
       3. The computer system of  claim 1 , wherein the representation of the first user includes a third visual indication of a foot of the body of the first user, and wherein the one or more programs further include instructions for:
 while displaying the representation of the first user at a third position in the extended reality environment, displaying in the extended reality environment, via the display generation component, the third visual indication of the foot of the body of the first user at a fourth position in the extended reality environment; and 
 in response to detecting movement of the first user, displaying in the extended reality environment, via the display generation component:
 the representation of the first user at a fifth position in the extended reality environment, wherein the fifth position is determined based at least in part on the movement of the first user, and wherein the fifth position is above or below the third position; and 
 the third visual indication of the foot of the body of the first user at a sixth position in the extended reality environment. 
 
 
     
     
       4. The computer system of  claim 1 , wherein displaying, in the extended reality environment, the representation of the first user includes:
 in accordance with a determination that a set of one or more criteria is met, the visual indication of the portion of the body of the first user including a piece of furniture in the extended reality environment; and 
 in accordance with a determination that the set of one or more criteria is not met, the visual indication of the portion of the body of the first user without the piece of furniture in the extended reality environment. 
 
     
     
       5. The computer system of  claim 4 , wherein the set of one or more criteria includes a criterion that is met when the computer system receives an indication that the first user is in a sitting position, and wherein the piece of furniture in the extended reality environment is a representation of a chair. 
     
     
       6. The computer system of  claim 5 , wherein the representation of the chair includes a parametric chair having an appearance that has one or more properties that are independent of a physical object supporting the first user in the sitting position in a physical environment in which the first user is located. 
     
     
       7. The computer system of  claim 1 , wherein the one or more programs further include instructions for:
 while displaying, in the extended reality environment, the representation of the first user, detecting that the first user is touching a surface of an object in a physical environment in which the first user is located; and 
 in response to detecting that the first user is touching the surface of the object in the physical environment, displaying a representation of the surface in the extended reality environment. 
 
     
     
       8. The computer system of  claim 1 , wherein the one or more programs further include instructions for:
 while displaying, in the extended reality environment, the representation of the first user, detecting that the first user is touching an object in a physical environment in which the first user is located; and 
 in response to detecting that the first user is touching the object in the physical environment, displaying a representation of the object in the extended reality environment. 
 
     
     
       9. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the one or more programs including instructions for:
 in response to receiving a request to display a representation of the first user in an extended reality environment:
 displaying in the extended reality environment, via the display generation component, the representation of the first user, wherein the representation of the first user includes:
 a visual indication of a portion of the body of the first user in the extended reality environment, wherein:
 the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and 
 the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system; 
 
 
 
 while displaying the visual indication of the first user at a first position with respect to the one or more objects in the extended reality environment, detecting movement of a second portion of the body of the first user; and 
 in response to detecting movement of the second portion of the body the first user, displaying the visual indication of the first user at second position, different from the first position, with respect to the one or more objects in the extended reality environment. 
 
     
     
       10. The non-transitory computer-readable storage medium of  claim 9 , wherein the representation of the first user further includes a second visual indication of a third portion of the body of the first user, wherein the second visual indication of the third portion of the body of the first user includes a blurred extension of the third portion of the body of the first user. 
     
     
       11. The non-transitory computer-readable storage medium of  claim 9 , wherein the representation of the first user includes a third visual indication of a foot of the body of the first user, and wherein the one or more programs further include instructions for:
 while displaying the representation of the first user at a third position in the extended reality environment, displaying in the extended reality environment, via the display generation component, the third visual indication of the foot of the body of the first user at a fourth position in the extended reality environment; and 
 in response to detecting movement of the first user, displaying in the extended reality environment, via the display generation component:
 the representation of the first user at a fifth position in the extended reality environment, wherein the fifth position is determined based at least in part on the movement of the first user, and wherein the fifth position is above or below the third position; and 
 the third visual indication of the foot of the body of the first user at a sixth position in the extended reality environment. 
 
 
     
     
       12. The non-transitory computer-readable storage medium of  claim 9 , wherein displaying, in the extended reality environment, the representation of the first user includes:
 in accordance with a determination that a set of one or more criteria is met, the visual indication of the portion of the body of the first user including a piece of furniture in the extended reality environment; and 
 in accordance with a determination that the set of one or more criteria is not met, the visual indication of the portion of the body of the first user without the piece of furniture in the extended reality environment. 
 
     
     
       13. The non-transitory computer-readable storage medium of  claim 12 , wherein the set of one or more criteria includes a criterion that is met when the computer system receives an indication that the first user is in a sitting position, and wherein the piece of furniture in the extended reality environment is a representation of a chair. 
     
     
       14. The non-transitory computer-readable storage medium of  claim 13 , wherein the representation of the chair includes a parametric chair having an appearance that has one or more properties that are independent of a physical object supporting the first user in the sitting position in a physical environment in which the first user is located. 
     
     
       15. The non-transitory computer-readable storage medium of  claim 9 , wherein the one or more programs further include instructions for:
 while displaying, in the extended reality environment, the representation of the first user, detecting that the first user is touching a surface of an object in a physical environment in which the first user is located; and 
 in response to detecting that the first user is touching the surface of the object in the physical environment, displaying a representation of the surface in the extended reality environment. 
 
     
     
       16. The non-transitory computer-readable storage medium of  claim 9 , wherein the one or more programs further include instructions for:
 while displaying, in the extended reality environment, the representation of the first user, detecting that the first user is touching an object in a physical environment in which the first user is located; and 
 in response to detecting that the first user is touching the object in the physical environment, displaying a representation of the object in the extended reality environment. 
 
     
     
       17. A method, comprising:
 at a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user:
 in response to receiving a request to display a representation of the first user in an extended reality environment:
 displaying in the extended reality environment, via the display generation component, the representation of the first user, wherein the representation of the first user includes:
 a visual indication of a portion of a body of the first user in the extended reality environment, wherein: 
  the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and 
  the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system; 
 
 
 while displaying the visual indication of the first user at a first position with respect to the one or more objects in the extended reality environment, detecting movement of a second portion of the body of the first user; and 
 in response to detecting movement of the second portion of the body the first user, displaying the visual indication of the first user at second position, different from the first position, with respect to the one or more objects in the extended reality environment. 
 
 
     
     
       18. The method of  claim 17 , wherein the representation of the first user further includes a second visual indication of a third portion of the body of the first user, wherein the second visual indication of the third portion of the body of the first user includes a blurred extension of the third portion of the body of the first user. 
     
     
       19. The method of  claim 17 , wherein the representation of the first user includes a third visual indication of a foot of the body of the first user, the method further comprising:
 while displaying the representation of the first user at a third position in the extended reality environment, displaying in the extended reality environment, via the display generation component, the third visual indication of the foot of the body of the first user at a fourth position in the extended reality environment; and 
 in response to detecting movement of the first user, displaying in the extended reality environment, via the display generation component:
 the representation of the first user at a fifth position in the extended reality environment, wherein the fifth position is determined based at least in part on the movement of the first user, and wherein the fifth position is above or below the third position; and 
 the third visual indication of the foot of the body of the first user at a sixth position in the extended reality environment. 
 
 
     
     
       20. The method of  claim 17 , wherein displaying, in the extended reality environment, the representation of the first user includes:
 in accordance with a determination that a set of one or more criteria is met, the visual indication of the portion of the body of the first user including a piece of furniture in the extended reality environment; and 
 in accordance with a determination that the set of one or more criteria is not met, the visual indication of the portion of the body of the first user without the piece of furniture in the extended reality environment. 
 
     
     
       21. The method of  claim 20 , wherein the set of one or more criteria includes a criterion that is met when the computer system receives an indication that the first user is in a sitting position, and wherein the piece of furniture in the extended reality environment is a representation of a chair. 
     
     
       22. The method of  claim 21 , wherein the representation of the chair includes a parametric chair having an appearance that has one or more properties that are independent of a physical object supporting the first user in the sitting position in a physical environment in which the first user is located. 
     
     
       23. The method of  claim 17 , further comprising:
 while displaying, in the extended reality environment, the representation of the first user, detecting that the first user is touching a surface of an object in a physical environment in which the first user is located; and 
 in response to detecting that the first user is touching the surface of the object in the physical environment, displaying a representation of the surface in the extended reality environment. 
 
     
     
       24. The method of  claim 17 , further comprising:
 while displaying, in the extended reality environment, the representation of the first user, detecting that the first user is touching an object in a physical environment in which the first user is located; and 
 in response to detecting that the first user is touching the object in the physical environment, displaying a representation of the object in the extended reality environment. 
 
     
     
       25. A computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the computer system comprising:
 one or more processors; and 
 memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for:
 in response to receiving a request to display a representation of the first user in an extended reality environment:
 displaying in the extended reality environment, via the display generation component, the representation of the first user, wherein the representation of the first user includes:
 a visual indication of a portion of the body of the first user in the extended reality environment, wherein: 
  the visual indication of the portion of the body of the first user includes a shadow; 
  the shadow represents a portion of the representation of the first user that is displayed at a visual fidelity below a visual fidelity threshold amount; 
  the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and 
  the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
 
 
 
 
     
     
       26. The computer system of  claim 25 , wherein the shadow represents a portion of the representation of the first user that is not currently displayed via the display generation component of the computer system. 
     
     
       27. The computer system of  claim 25 , wherein the one or more programs further include instructions for:
 displaying in the extended reality environment, via the display generation component, the shadow at a first position with respect to the one or more objects in the extended reality environment; and 
 in response to detecting movement of the first user, displaying in the extended reality environment, via the display generation component, the shadow at a second position, different from the first position, with respect to the one or more objects in the extended reality environment. 
 
     
     
       28. The computer system of  claim 25 , wherein the one or more programs further include instructions for:
 displaying in the extended reality environment, via the display generation component, the shadow having a first shape in the extended reality environment; and 
 in response to detecting a change in position of the first user, displaying in the extended reality environment, via the display generation component, the shadow having a second shape, different from the first shape, in the extended reality environment. 
 
     
     
       29. The computer system of  claim 25 , wherein the extended reality environment includes a representation of a ground of a physical environment of the first user, and wherein the shadow is displayed on the ground of the physical environment. 
     
     
       30. The computer system of  claim 25 , wherein the extended reality environment includes a representation of a ground of a virtual environment, and wherein the shadow is displayed on the ground of the virtual environment. 
     
     
       31. The computer system of  claim 25 , wherein the extended reality environment includes a representation of lighting from a light source that is illuminating at least a portion of a physical environment that corresponds to the extended reality environment, and wherein the shadow has an appearance that is determined based at least in part on the lighting from the light source that is illuminating the portion of the physical environment. 
     
     
       32. The computer system of  claim 25 , wherein the extended reality environment includes a representation of virtual light that is illuminating at least a portion of the extended reality environment, and wherein the shadow has an appearance that is determined based at least in part on the representation of the virtual light that is illuminating the portion of the extended reality environment. 
     
     
       33. A non-transitory computer-readable storage medium storing one or more programs configured to be executed by one or more processors of a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the one or more programs including instructions for:
 in response to receiving a request to display a representation of the first user in an extended reality environment:
 displaying in the extended reality environment, via the display generation component, the representation of the first user, wherein the representation of the first user includes:
 a visual indication of a portion of the body of the first user in the extended reality environment, wherein:
 the visual indication of the portion of the body of the first user includes a shadow; 
 the shadow represents a portion of the representation of the first user that is displayed at a visual fidelity below a visual fidelity threshold amount; 
 
 the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and 
 the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
 
 
 
     
     
       34. The non-transitory computer-readable storage medium of  claim 33 , wherein the shadow represents a portion of the representation of the first user that is not currently displayed via the display generation component of the computer system. 
     
     
       35. The non-transitory computer-readable storage medium of  claim 33 , wherein the one or more programs further include instructions for:
 displaying in the extended reality environment, via the display generation component, the shadow at a first position with respect to the one or more objects in the extended reality environment; and 
 in response to detecting movement of the first user, displaying in the extended reality environment, via the display generation component, the shadow at a second position, different from the first position, with respect to the one or more objects in the extended reality environment. 
 
     
     
       36. The non-transitory computer-readable storage medium of  claim 33 , wherein the one or more programs further include instructions for:
 displaying in the extended reality environment, via the display generation component, the shadow having a first shape in the extended reality environment; and 
 in response to detecting a change in position of the first user, displaying in the extended reality environment, via the display generation component, the shadow having a second shape, different from the first shape, in the extended reality environment. 
 
     
     
       37. The non-transitory computer-readable storage medium of  claim 33 , wherein the extended reality environment includes a representation of a ground of a physical environment of the first user, and wherein the shadow is displayed on the ground of the physical environment. 
     
     
       38. The non-transitory computer-readable storage medium of  claim 33 , wherein the extended reality environment includes a representation of a ground of a virtual environment, and wherein the shadow is displayed on the ground of the virtual environment. 
     
     
       39. The non-transitory computer-readable storage medium of  claim 33 , wherein the extended reality environment includes a representation of lighting from a light source that is illuminating at least a portion of a physical environment that corresponds to the extended reality environment, and wherein the shadow has an appearance that is determined based at least in part on the lighting from the light source that is illuminating the portion of the physical environment. 
     
     
       40. The non-transitory computer-readable storage medium of  claim 33 , wherein the extended reality environment includes a representation of virtual light that is illuminating at least a portion of the extended reality environment, and wherein the shadow has an appearance that is determined based at least in part on the representation of the virtual light that is illuminating the portion of the extended reality environment. 
     
     
       41. A method, comprising:
 at a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user:
 in response to receiving a request to display a representation of the first user in an extended reality environment:
 displaying in the extended reality environment, via the display generation component, the representation of the first user, wherein the representation of the first user includes:
 a visual indication of a portion of a body of the first user in the extended reality environment, wherein: 
  the visual indication of the portion of the body of the first user includes a shadow; 
  the shadow represents a portion of the representation of the first user that is displayed at a visual fidelity below a visual fidelity threshold amount; 
  the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and 
  the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
 
 
 
 
     
     
       42. The method of  claim 41 , wherein the shadow represents a portion of the representation of the first user that is not currently displayed via the display generation component of the computer system. 
     
     
       43. The method of  claim 41 , further comprising:
 displaying in the extended reality environment, via the display generation component, the shadow at a first position with respect to the one or more objects in the extended reality environment; and 
 in response to detecting movement of the first user, displaying in the extended reality environment, via the display generation component, the shadow at a second position, different from the first position, with respect to the one or more objects in the extended reality environment. 
 
     
     
       44. The method of  claim 41 , further comprising:
 displaying in the extended reality environment, via the display generation component, the shadow having a first shape in the extended reality environment; and 
 in response to detecting a change in position of the first user, displaying in the extended reality environment, via the display generation component, the shadow having a second shape, different from the first shape, in the extended reality environment. 
 
     
     
       45. The method of  claim 41 , wherein the extended reality environment includes a representation of a ground of a physical environment of the first user, and wherein the shadow is displayed on the ground of the physical environment. 
     
     
       46. The method of  claim 41 , wherein the extended reality environment includes a representation of a ground of a virtual environment, and wherein the shadow is displayed on the ground of the virtual environment. 
     
     
       47. The method of  claim 41 , wherein the extended reality environment includes a representation of lighting from a light source that is illuminating at least a portion of a physical environment that corresponds to the extended reality environment, and wherein the shadow has an appearance that is determined based at least in part on the lighting from the light source that is illuminating the portion of the physical environment. 
     
     
       48. The method of  claim 41 , wherein the extended reality environment includes a representation of virtual light that is illuminating at least a portion of the extended reality environment, and wherein the shadow has an appearance that is determined based at least in part on the representation of the virtual light that is illuminating the portion of the extended reality environment.

Description:
CROSS-REFERENCE TO RELATED APPLICATIONS 
     This application claims priority to U.S. Provisional Patent Application Ser. No. 63/248,036, entitled “DEVICES, METHODS, AND GRAPHICAL USER INTERFACES FOR TRACKING MITIGATION IN THREE-DIMENSIONAL ENVIRONMENTS,” filed on Sep. 24, 2021, the contents of which are hereby incorporated by reference in their entirety. 
    
    
     TECHNICAL FIELD 
     The present disclosure relates generally to computer systems that are in communication with a display generation component and, optionally, an external computer system that is associated with a first user that provide computer-generated experiences, including, but not limited to, electronic devices that provide virtual reality and mixed reality experiences via a display. 
     BACKGROUND 
     The development of computer systems for augmented reality has increased significantly in recent years. Example augmented reality environments include at least some virtual elements that replace or augment the physical world. Input devices, such as cameras, controllers, joysticks, touch-sensitive surfaces, and touch-screen displays for computer systems and other electronic computing devices are used to interact with virtual/augmented reality environments. Example virtual elements include virtual objects, such as digital images, video, text, icons, and control elements such as buttons and other graphics. 
     SUMMARY 
     Some methods and interfaces for displaying representations of users in environments that include at least some virtual elements (e.g., applications, augmented reality environments, mixed reality environments, and virtual reality environments) are cumbersome, inefficient, and limited. For example, systems that provide insufficient feedback for tracking portions of users in a physical environment and displaying representations based on the insufficient feedback are complex, tedious, and error-prone, create a significant cognitive burden on a user, and detract from the experience with the virtual/augmented reality environment. In addition, these methods take longer than necessary, thereby wasting energy of the computer system. This latter consideration is particularly important in battery-operated devices. 
     Accordingly, there is a need for computer systems with improved methods and interfaces for providing computer-generated experiences to users that display continuous and comprehensible representations of users when insufficient feedback is received make interacting with the computer systems more efficient and intuitive for a user. Such methods and interfaces optionally complement or replace conventional methods for providing extended reality experiences to users. Such methods and interfaces reduce the number, extent, and/or nature of the inputs from a user by helping the user to understand the connection between provided inputs and device responses to the inputs, thereby creating a more efficient human-machine interface. 
     The above deficiencies and other problems associated with user interfaces for computer systems are reduced or eliminated by the disclosed systems. In some embodiments, the computer system is a desktop computer with an associated display. In some embodiments, the computer system is portable device (e.g., a notebook computer, tablet computer, or handheld device). In some embodiments, the computer system is a personal electronic device (e.g., a wearable electronic device, such as a watch, or a head-mounted device). In some embodiments, the computer system has a touchpad. In some embodiments, the computer system has one or more cameras. In some embodiments, the computer system has a touch-sensitive display (also known as a “touch screen” or “touch-screen display”). In some embodiments, the computer system has one or more eye-tracking components. In some embodiments, the computer system has one or more hand-tracking components. In some embodiments, the computer system has one or more output devices in addition to the display generation component, the output devices including one or more tactile output generators and/or one or more audio output devices. In some embodiments, the computer system has a graphical user interface (GUI), one or more processors, memory and one or more modules, programs or sets of instructions stored in the memory for performing multiple functions. In some embodiments, the user interacts with the GUI through a stylus and/or finger contacts and gestures on the touch-sensitive surface, movement of the user&#39;s eyes and hand in space relative to the GUI (and/or computer system) or the user&#39;s body as captured by cameras and other movement sensors, and/or voice inputs as captured by one or more audio input devices. In some embodiments, the functions performed through the interactions optionally include image editing, drawing, presenting, word processing, spreadsheet making, game playing, telephoning, video conferencing, e-mailing, instant messaging, workout support, digital photographing, digital videoing, web browsing, digital music playing, note taking, and/or digital video playing. Executable instructions for performing these functions are, optionally, included in a transitory and/or non-transitory computer readable storage medium or other computer program product configured for execution by one or more processors. 
     There is a need for electronic devices with improved methods and interfaces for displaying representations of users when insufficient feedback related to a state of the users is received. Such methods and interfaces may complement or replace conventional methods for communicating with other users in a three-dimensional environment. Such methods and interfaces reduce the number, extent, and/or the nature of the inputs from a user and produce a more efficient human-machine interface. For battery-operated computing devices, such methods and interfaces conserve power and increase the time between battery charges. 
     In accordance with some embodiments, a method is described. The method is performed at a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user. The method comprises: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where the representation of the first user includes: a visual indication of a portion of the body of the first user in the extended reality environment, where: the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
     In accordance with some embodiments, a non-transitory computer-readable storage medium is described. The non-transitory computer-readable storage medium stores one or more programs configured to be executed by one or more processors of a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the one or more programs including instructions for: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where the representation of the first user includes: a visual indication of a portion of the body of the first user in the extended reality environment, where: the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
     In accordance with some embodiments, a transitory computer-readable storage medium is described. The transitory computer readable storage medium stores one or more programs configured to be executed by one or more processors of a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the one or more programs including instructions for: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where the representation of the first user includes: a visual indication of a portion of the body of the first user in the extended reality environment, where: the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
     In accordance with some embodiments, a computer system is described. The computer system is in communication with a display generation component and in communication with an external computer system that is associated with a first user. The computer system comprises: one or more processors; and memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where the representation of the first user includes: a visual indication of a portion of the body of the first user in the extended reality environment, where: the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
     In accordance with some embodiments, a computer system is described. The computer system is in communication with a display generation component and in communication with an external computer system that is associated with a first user. The computer system comprises: in response to receiving a request to display a representation of the first user in an extended reality environment: means for displaying in the extended reality environment, via the display generation component, the representation of the first user, where the representation of the first user includes: a visual indication of a portion of the body of the first user in the extended reality environment, where: the visual indication of the portion of the body of the first user has an appearance that is determined based at least in part on one or more objects in the extended reality environment; and the visual indication of the portion of the body of the first user represents an estimated state of the portion of the body that is estimated based on indirect information about a state of the portion of the body when direct information about the state of the portion of the body is not available to the computer system. 
     In accordance with some embodiments, a method is described. The method is performed at a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user. The method comprises: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where displaying the representation of the first user includes: in accordance with a determination that a first portion of a body of the first user is in a first region of a physical environment in which the first user is located, where the first region is defined relative to the body of the first user, displaying, via the display generation component, a first visual indication of the first portion of the body of the first user, where the first visual indication of the first portion of the body of the first user includes a first amount of visual fidelity; and in accordance with a determination that the first portion of the body of the first user is in a second region of the physical environment, where the second region is separate from the first region, displaying, via the display generation component, a second visual indication of the first portion of the body of the first user, where the second visual indication of the first portion of the body of the first user includes a second amount of visual fidelity, different from the first amount of visual fidelity. 
     In accordance with some embodiments, a non-transitory computer-readable storage medium is described. The non-transitory computer-readable storage medium stores one or more programs configured to be executed by one or more processors of a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the one or more programs including instructions for: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where displaying the representation of the first user includes: in accordance with a determination that a first portion of a body of the first user is in a first region of a physical environment in which the first user is located, where the first region is defined relative to the body of the first user, displaying, via the display generation component, a first visual indication of the first portion of the body of the first user, where the first visual indication of the first portion of the body of the first user includes a first amount of visual fidelity; and in accordance with a determination that the first portion of the body of the first user is in a second region of the physical environment, where the second region is separate from the first region, displaying, via the display generation component, a second visual indication of the first portion of the body of the first user, where the second visual indication of the first portion of the body of the first user includes a second amount of visual fidelity, different from the first amount of visual fidelity. 
     In accordance with some embodiments, a transitory computer-readable storage medium is described. The transitory computer readable storage medium stores one or more programs configured to be executed by one or more processors of a computer system that is in communication with a display generation component and in communication with an external computer system that is associated with a first user, the one or more programs including instructions for: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where displaying the representation of the first user includes: in accordance with a determination that a first portion of a body of the first user is in a first region of a physical environment in which the first user is located, where the first region is defined relative to the body of the first user, displaying, via the display generation component, a first visual indication of the first portion of the body of the first user, where the first visual indication of the first portion of the body of the first user includes a first amount of visual fidelity; and in accordance with a determination that the first portion of the body of the first user is in a second region of the physical environment, where the second region is separate from the first region, displaying, via the display generation component, a second visual indication of the first portion of the body of the first user, where the second visual indication of the first portion of the body of the first user includes a second amount of visual fidelity, different from the first amount of visual fidelity. 
     In accordance with some embodiments, a computer system is described. The computer system is in communication with a display generation component and in communication with an external computer system that is associated with a first user. The computer system comprises: one or more processors; and memory storing one or more programs configured to be executed by the one or more processors, the one or more programs including instructions for: in response to receiving a request to display a representation of the first user in an extended reality environment: displaying in the extended reality environment, via the display generation component, the representation of the first user, where displaying the representation of the first user includes: in accordance with a determination that a first portion of a body of the first user is in a first region of a physical environment in which the first user is located, where the first region is defined relative to the body of the first user, displaying, via the display generation component, a first visual indication of the first portion of the body of the first user, where the first visual indication of the first portion of the body of the first user includes a first amount of visual fidelity; and in accordance with a determination that the first portion of the body of the first user is in a second region of the physical environment, where the second region is separate from the first region, displaying, via the display generation component, a second visual indication of the first portion of the body of the first user, where the second visual indication of the first portion of the body of the first user includes a second amount of visual fidelity, different from the first amount of visual fidelity. 
     In accordance with some embodiments, a computer system is described. The computer system is in communication with a display generation component and in communication with an external computer system that is associated with a first user. The computer system comprises: in response to receiving a request to display a representation of the first user in an extended reality environment: means for displaying in the extended reality environment, via the display generation component, the representation of the first user, where displaying the representation of the first user includes: in accordance with a determination that a first portion of a body of the first user is in a first region of a physical environment in which the first user is located, where the first region is defined relative to the body of the first user, displaying, via the display generation component, a first visual indication of the first portion of the body of the first user, where the first visual indication of the first portion of the body of the first user includes a first amount of visual fidelity; and in accordance with a determination that the first portion of the body of the first user is in a second region of the physical environment, where the second region is separate from the first region, displaying, via the display generation component, a second visual indication of the first portion of the body of the first user, where the second visual indication of the first portion of the body of the first user includes a second amount of visual fidelity, different from the first amount of visual fidelity. 
     Note that the various embodiments described above can be combined with any other embodiments described herein. The features and advantages described in the specification are not all inclusive and, in particular, many additional features and advantages will be apparent to one of ordinary skill in the art in view of the drawings, specification, and claims. Moreover, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the inventive subject matter. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
       For a better understanding of the various described embodiments, reference should be made to the Description of Embodiments below, in conjunction with the following drawings in which like reference numerals refer to corresponding parts throughout the figures. 
         FIG.  1    is a block diagram illustrating an operating environment of a computer system for providing XR experiences in accordance with some embodiments. 
         FIG.  2    is a block diagram illustrating a controller of a computer system that is configured to manage and coordinate a XR experience for the user in accordance with some embodiments. 
         FIG.  3    is a block diagram illustrating a display generation component of a computer system that is configured to provide a visual component of the XR experience to the user in accordance with some embodiments. 
         FIG.  4    is a block diagram illustrating a hand tracking unit of a computer system that is configured to capture gesture inputs of the user in accordance with some embodiments. 
         FIG.  5    is a block diagram illustrating an eye tracking unit of a computer system that is configured to capture gaze inputs of the user in accordance with some embodiments. 
         FIG.  6    is a flow diagram illustrating a glint-assisted gaze tracking pipeline in accordance with some embodiments. 
         FIGS.  7 A- 7 I  illustrate example techniques for displaying a visual indication of a portion of a user, in accordance with some embodiments. 
         FIG.  8    is a flow diagram of methods of displaying a visual indication of a portion of a user, in accordance with various embodiments. 
         FIGS.  9 A- 9 H  illustrate example techniques for displaying representations of different portions of a user with different amounts of visual fidelity, in accordance with some embodiments. 
         FIG.  10    is a flow diagram of methods of displaying representations of different portions of a user with different amounts of visual fidelity, in accordance with various embodiments. 
     
    
    
     DESCRIPTION OF EMBODIMENTS 
     The present disclosure relates to user interfaces for providing an extended reality (XR) experience to a user, in accordance with some embodiments. 
     The systems, methods, and GUIs described herein improve user interface interactions with virtual/augmented reality environments in multiple ways. 
     In some embodiments, a computer system displays a representation of a user within an extended reality environment, but the computer system does not receive direct information and/or data indicative of a state one or more portions of a body of the user. Accordingly, the computer system displays the representation with a visual indication of the one or more portions of the body of the user that are not anatomically accurate depictions of the one or more portions of the body of the user. The computer system estimates a state of the one or more body portions of the body of the user and displays the visual indication to enable another user viewing the representation to gain a better understanding of a state of the user&#39;s full body within the extended reality environment. The visual indication is optionally a shadow indicative of an estimated position of a lower portion of the body of the user. The visual indication is optionally displayed concurrently with a blurred extension that provides an additional visual indication of portions of the body of the user for which the computer system does not receive direct information and/or data of the state of the portions of the body. 
     In some embodiments, the computer system displays a representation of a user within an extended reality environment and displays a visual indication of a portion of a body of the user differently based on a position of the portion of the body of the user within a physical environment in which the user is located. For instance, the computer system determines a position of the portion of the body of the user based on indirect and/or direct information about a state of the portion of the body of the user within the physical environment in which the user is located. The computer system determines whether the position of the portion of the body of the user is inside or outside of a predefined region of the physical environment that is defined with respect to the body of the user. For example, the predefined region corresponds to an area near pockets of the user when the portion of the body of the user is the user&#39;s hands. The predefined region corresponds to an area near a waist and/or hips of the user when the portion of the body is the user&#39;s elbows. The computer system applies a different amount of visual fidelity to the visual indication based on whether the portion of the body of the user is determined to be inside or outside of the predefined region. The computer system optionally defines more than one predefined region and associated each predefined region with a particular portion of the body of the user. For example, the computer system can associate a first predefined region with the hands of the user and a second predefined region with the elbows of the user. The predefined regions optionally move as the user physically moves within the physical environment so that the predefined regions remain substantially stationary with respect to the body of the user. 
       FIGS.  1 - 6    provide a description of example computer systems for providing XR experiences to users.  FIGS.  7 A- 7 I  illustrate example techniques for displaying a visual indication of a portion of a user, in accordance with some embodiments.  FIG.  8    is a flow diagram of methods of displaying a visual indication of a portion of a user, in accordance with various embodiments. The user interfaces in  FIGS.  7 A- 7 I  are used to illustrate the processes in  FIG.  8   .  FIGS.  9 A- 9 H  illustrate example techniques for displaying representations of different portions of a user with different amounts of visual fidelity, in accordance with some embodiments.  FIG.  10    is a flow diagram of methods of displaying representations of different portions of a user with different amounts of visual fidelity, in accordance with various embodiments. The user interfaces in  FIGS.  9 A- 9 H  are used to illustrate the processes in  FIG.  10   . 
     The processes described below enhance the operability of the devices and make the user-device interfaces more efficient (e.g., by helping the user to provide proper inputs and reducing user mistakes when operating/interacting with the device) through various techniques, including by providing improved visual feedback to the user, reducing the number of inputs needed to perform an operation, providing additional control options without cluttering the user interface with additional displayed controls, performing an operation when a set of conditions has been met without requiring further user input, improving privacy and/or security, providing a more varied, detailed, and/or realistic user experience while saving storage space, and/or additional techniques. These techniques also reduce power usage and improve battery life of the device by enabling the user to use the device more quickly and efficiently. Saving on battery power, and thus weight, improves the ergonomics of the device. These techniques also enable real-time communication, allow for the use of fewer and/or less precise sensors resulting in a more compact, lighter, and cheaper device, and enable the device to be used in a variety of lighting conditions. These techniques reduce energy usage, thereby reducing heat emitted by the device, which is particularly important for a wearable device where a device well within operational parameters for device components can become uncomfortable for a user to wear if it is producing too much heat. 
     In addition, in methods described herein where one or more steps are contingent upon one or more conditions having been met, it should be understood that the described method can be repeated in multiple repetitions so that over the course of the repetitions all of the conditions upon which steps in the method are contingent have been met in different repetitions of the method. For example, if a method requires performing a first step if a condition is satisfied, and a second step if the condition is not satisfied, then a person of ordinary skill would appreciate that the claimed steps are repeated until the condition has been both satisfied and not satisfied, in no particular order. Thus, a method described with one or more steps that are contingent upon one or more conditions having been met could be rewritten as a method that is repeated until each of the conditions described in the method has been met. This, however, is not required of system or computer readable medium claims where the system or computer readable medium contains instructions for performing the contingent operations based on the satisfaction of the corresponding one or more conditions and thus is capable of determining whether the contingency has or has not been satisfied without explicitly repeating steps of a method until all of the conditions upon which steps in the method are contingent have been met. A person having ordinary skill in the art would also understand that, similar to a method with contingent steps, a system or computer readable storage medium can repeat the steps of a method as many times as are needed to ensure that all of the contingent steps have been performed. 
     In some embodiments, as shown in  FIG.  1   , the XR experience is provided to the user via an operating environment  100  that includes a computer system  101 . The computer system  101  includes a controller  110  (e.g., processors of a portable electronic device or a remote server), a display generation component  120  (e.g., a head-mounted device (HMD), a display, a projector, a touch-screen, etc.), one or more input devices  125  (e.g., an eye tracking device  130 , a hand tracking device  140 , other input devices  150 ), one or more output devices  155  (e.g., speakers  160 , tactile output generators  170 , and other output devices  180 ), one or more sensors  190  (e.g., image sensors, light sensors, depth sensors, tactile sensors, orientation sensors, proximity sensors, temperature sensors, location sensors, motion sensors, velocity sensors, etc.), and optionally one or more peripheral devices  195  (e.g., home appliances, wearable devices, etc.). In some embodiments, one or more of the input devices  125 , output devices  155 , sensors  190 , and peripheral devices  195  are integrated with the display generation component  120  (e.g., in a head-mounted device or a handheld device). 
     When describing a XR experience, various terms are used to differentially refer to several related but distinct environments that the user may sense and/or with which a user may interact (e.g., with inputs detected by a computer system  101  generating the XR experience that cause the computer system generating the XR experience to generate audio, visual, and/or tactile feedback corresponding to various inputs provided to the computer system  101 ). The following is a subset of these terms: 
     Physical environment: A physical environment refers to a physical world that people can sense and/or interact with without aid of electronic systems. Physical environments, such as a physical park, include physical articles, such as physical trees, physical buildings, and physical people. People can directly sense and/or interact with the physical environment, such as through sight, touch, hearing, taste, and smell. 
     Extended reality: In contrast, an extended reality (XR) environment refers to a wholly or partially simulated environment that people sense and/or interact with via an electronic system. In XR, a subset of a person&#39;s physical motions, or representations thereof, are tracked, and, in response, one or more characteristics of one or more virtual objects simulated in the XR environment are adjusted in a manner that comports with at least one law of physics. For example, a XR system may detect a person&#39;s head turning and, in response, adjust graphical content and an acoustic field presented to the person in a manner similar to how such views and sounds would change in a physical environment. In some situations (e.g., for accessibility reasons), adjustments to characteristic(s) of virtual object(s) in a XR environment may be made in response to representations of physical motions (e.g., vocal commands). A person may sense and/or interact with a XR object using any one of their senses, including sight, sound, touch, taste, and smell. For example, a person may sense and/or interact with audio objects that create a 3D or spatial audio environment that provides the perception of point audio sources in 3D space. In another example, audio objects may enable audio transparency, which selectively incorporates ambient sounds from the physical environment with or without computer-generated audio. In some XR environments, a person may sense and/or interact only with audio objects. 
     Examples of XR include virtual reality and mixed reality. 
     Virtual reality: A virtual reality (VR) environment refers to a simulated environment that is designed to be based entirely on computer-generated sensory inputs for one or more senses. A VR environment comprises a plurality of virtual objects with which a person may sense and/or interact. For example, computer-generated imagery of trees, buildings, and avatars representing people are examples of virtual objects. A person may sense and/or interact with virtual objects in the VR environment through a simulation of the person&#39;s presence within the computer-generated environment, and/or through a simulation of a subset of the person&#39;s physical movements within the computer-generated environment. 
     Mixed reality: In contrast to a VR environment, which is designed to be based entirely on computer-generated sensory inputs, a mixed reality (MR) environment refers to a simulated environment that is designed to incorporate sensory inputs from the physical environment, or a representation thereof, in addition to including computer-generated sensory inputs (e.g., virtual objects). On a virtuality continuum, a mixed reality environment is anywhere between, but not including, a wholly physical environment at one end and virtual reality environment at the other end. In some MR environments, computer-generated sensory inputs may respond to changes in sensory inputs from the physical environment. Also, some electronic systems for presenting an MR environment may track location and/or orientation with respect to the physical environment to enable virtual objects to interact with real objects (that is, physical articles from the physical environment or representations thereof). For example, a system may account for movements so that a virtual tree appears stationary with respect to the physical ground. 
     Examples of mixed realities include augmented reality and augmented virtuality. 
     Augmented reality: An augmented reality (AR) environment refers to a simulated environment in which one or more virtual objects are superimposed over a physical environment, or a representation thereof. For example, an electronic system for presenting an AR environment may have a transparent or translucent display through which a person may directly view the physical environment. The system may be configured to present virtual objects on the transparent or translucent display, so that a person, using the system, perceives the virtual objects superimposed over the physical environment. Alternatively, a system may have an opaque display and one or more imaging sensors that capture images or video of the physical environment, which are representations of the physical environment. The system composites the images or video with virtual objects, and presents the composition on the opaque display. A person, using the system, indirectly views the physical environment by way of the images or video of the physical environment, and perceives the virtual objects superimposed over the physical environment. As used herein, a video of the physical environment shown on an opaque display is called “pass-through video,” meaning a system uses one or more image sensor(s) to capture images of the physical environment, and uses those images in presenting the AR environment on the opaque display. Further alternatively, a system may have a projection system that projects virtual objects into the physical environment, for example, as a hologram or on a physical surface, so that a person, using the system, perceives the virtual objects superimposed over the physical environment. An augmented reality environment also refers to a simulated environment in which a representation of a physical environment is transformed by computer-generated sensory information. For example, in providing pass-through video, a system may transform one or more sensor images to impose a select perspective (e.g., viewpoint) different than the perspective captured by the imaging sensors. As another example, a representation of a physical environment may be transformed by graphically modifying (e.g., enlarging) portions thereof, such that the modified portion may be representative but not photorealistic versions of the originally captured images. As a further example, a representation of a physical environment may be transformed by graphically eliminating or obfuscating portions thereof. 
     Augmented virtuality: An augmented virtuality (AV) environment refers to a simulated environment in which a virtual or computer-generated environment incorporates one or more sensory inputs from the physical environment. The sensory inputs may be representations of one or more characteristics of the physical environment. For example, an AV park may have virtual trees and virtual buildings, but people with faces photorealistically reproduced from images taken of physical people. As another example, a virtual object may adopt a shape or color of a physical article imaged by one or more imaging sensors. As a further example, a virtual object may adopt shadows consistent with the position of the sun in the physical environment. 
     Viewpoint-locked virtual object: A virtual object is viewpoint-locked when a computer system displays the virtual object at the same location and/or position in the viewpoint of the user, even as the viewpoint of the user shifts (e.g., changes). In embodiments where the computer system is a head-mounted device, the viewpoint of the user is locked to the forward facing direction of the user&#39;s head (e.g., the viewpoint of the user is at least a portion of the field-of-view of the user when the user is looking straight ahead); thus, the viewpoint of the user remains fixed even as the user&#39;s gaze is shifted, without moving the user&#39;s head. In embodiments where the computer system has a display generation component (e.g., a display screen) that can be repositioned with respect to the user&#39;s head, the viewpoint of the user is the augmented reality view that is being presented to the user on a display generation component of the computer system. For example, a viewpoint-locked virtual object that is displayed in the upper left corner of the viewpoint of the user, when the viewpoint of the user is in a first orientation (e.g., with the user&#39;s head facing north) continues to be displayed in the upper left corner of the viewpoint of the user, even as the viewpoint of the user changes to a second orientation (e.g., with the user&#39;s head facing west). In other words, the location and/or position at which the viewpoint-locked virtual object is displayed in the viewpoint of the user is independent of the user&#39;s position and/or orientation in the physical environment. In embodiments in which the computer system is a head-mounted device, the viewpoint of the user is locked to the orientation of the user&#39;s head, such that the virtual object is also referred to as a “head-locked virtual object.” 
     Environment-locked virtual object: A virtual object is environment-locked (alternatively, “world-locked”) when a computer system displays the virtual object at a location and/or position in the viewpoint of the user that is based on (e.g., selected in reference to and/or anchored to) a location and/or object in the three-dimensional environment (e.g., a physical environment or a virtual environment). As the viewpoint of the user shifts, the location and/or object in the environment relative to the viewpoint of the user changes, which results in the environment-locked virtual object being displayed at a different location and/or position in the viewpoint of the user. For example, an environment-locked virtual object that is locked onto a tree that is immediately in front of a user is displayed at the center of the viewpoint of the user. When the viewpoint of the user shifts to the right (e.g., the user&#39;s head is turned to the right) so that the tree is now left-of-center in the viewpoint of the user (e.g., the tree&#39;s position in the viewpoint of the user shifts), the environment-locked virtual object that is locked onto the tree is displayed left-of-center in the viewpoint of the user. In other words, the location and/or position at which the environment-locked virtual object is displayed in the viewpoint of the user is dependent on the position and/or orientation of the location and/or object in the environment onto which the virtual object is locked. In some embodiments, the computer system uses a stationary frame of reference (e.g., a coordinate system that is anchored to a fixed location and/or object in the physical environment) in order to determine the position at which to display an environment-locked virtual object in the viewpoint of the user. An environment-locked virtual object can be locked to a stationary part of the environment (e.g., a floor, wall, table, or other stationary object) or can be locked to a moveable part of the environment (e.g., a vehicle, animal, person, or even a representation of portion of the users body that moves independently of a viewpoint of the user, such as a user&#39;s hand, wrist, arm, or foot) so that the virtual object is moved as the viewpoint or the portion of the environment moves to maintain a fixed relationship between the virtual object and the portion of the environment. 
     In some embodiments a virtual object that is environment-locked or viewpoint-locked exhibits lazy follow behavior which reduces or delays motion of the environment-locked or viewpoint-locked virtual object relative to movement of a point of reference which the virtual object is following. In some embodiments, when exhibiting lazy follow behavior the computer system intentionally delays movement of the virtual object when detecting movement of a point of reference (e.g., a portion of the environment, the viewpoint, or a point that is fixed relative to the viewpoint, such as a point that is between 5-300 cm from the viewpoint) which the virtual object is following. For example, when the point of reference (e.g., the portion of the environment or the viewpoint) moves with a first speed, the virtual object is moved by the device to remain locked to the point of reference but moves with a second speed that is slower than the first speed (e.g., until the point of reference stops moving or slows down, at which point the virtual object starts to catch up to the point of reference). In some embodiments, when a virtual object exhibits lazy follow behavior the device ignores small amounts of movement of the point of reference (e.g., ignoring movement of the point of reference that is below a threshold amount of movement such as movement by 0-5 degrees or movement by 0-50 cm). For example, when the point of reference (e.g., the portion of the environment or the viewpoint to which the virtual object is locked) moves by a first amount, a distance between the point of reference and the virtual object increases (e.g., because the virtual object is being displayed so as to maintain a fixed or substantially fixed position relative to a viewpoint or portion of the environment that is different from the point of reference to which the virtual object is locked) and when the point of reference (e.g., the portion of the environment or the viewpoint to which the virtual object is locked) moves by a second amount that is greater than the first amount, a distance between the point of reference and the virtual object initially increases (e.g., because the virtual object is being displayed so as to maintain a fixed or substantially fixed position relative to a viewpoint or portion of the environment that is different from the point of reference to which the virtual object is locked) and then decreases as the amount of movement of the point of reference increases above a threshold (e.g., a “lazy follow” threshold) because the virtual object is moved by the computer system to maintain a fixed or substantially fixed position relative to the point of reference. In some embodiments the virtual object maintaining a substantially fixed position relative to the point of reference includes the virtual object being displayed within a threshold distance (e.g., 1, 2, 3, 5, 15, 20, 50 cm) of the point of reference in one or more dimensions (e.g., up/down, left/right, and/or forward/backward relative to the position of the point of reference). 
     Hardware: There are many different types of electronic systems that enable a person to sense and/or interact with various XR environments. Examples include head-mounted systems, projection-based systems, heads-up displays (HUDs), vehicle windshields having integrated display capability, windows having integrated display capability, displays formed as lenses designed to be placed on a person&#39;s eyes (e.g., similar to contact lenses), headphones/earphones, speaker arrays, input systems (e.g., wearable or handheld controllers with or without haptic feedback), smartphones, tablets, and desktop/laptop computers. A head-mounted system may include speakers and/or other audio output devices integrated into the head-mounted system for providing audio output. A head-mounted system may have one or more speaker(s) and an integrated opaque display. Alternatively, a head-mounted system may be configured to accept an external opaque display (e.g., a smartphone). The head-mounted system may incorporate one or more imaging sensors to capture images or video of the physical environment, and/or one or more microphones to capture audio of the physical environment. Rather than an opaque display, a head-mounted system may have a transparent or translucent display. The transparent or translucent display may have a medium through which light representative of images is directed to a person&#39;s eyes. The display may utilize digital light projection, OLEDs, LEDs, uLEDs, liquid crystal on silicon, laser scanning light source, or any combination of these technologies. The medium may be an optical waveguide, a hologram medium, an optical combiner, an optical reflector, or any combination thereof. In one embodiment, the transparent or translucent display may be configured to become opaque selectively. Projection-based systems may employ retinal projection technology that projects graphical images onto a person&#39;s retina. Projection systems also may be configured to project virtual objects into the physical environment, for example, as a hologram or on a physical surface. In some embodiments, the controller  110  is configured to manage and coordinate a XR experience for the user. In some embodiments, the controller  110  includes a suitable combination of software, firmware, and/or hardware. The controller  110  is described in greater detail below with respect to  FIG.  2   . In some embodiments, the controller  110  is a computing device that is local or remote relative to the scene  105  (e.g., a physical environment). For example, the controller  110  is a local server located within the scene  105 . In another example, the controller  110  is a remote server located outside of the scene  105  (e.g., a cloud server, central server, etc.). In some embodiments, the controller  110  is communicatively coupled with the display generation component  120  (e.g., an HMD, a display, a projector, a touch-screen, etc.) via one or more wired or wireless communication channels  144  (e.g., BLUETOOTH, IEEE 802.11x, IEEE 802.16x, IEEE 802.3x, etc.). In another example, the controller  110  is included within the enclosure (e.g., a physical housing) of the display generation component  120  (e.g., an HMD, or a portable electronic device that includes a display and one or more processors, etc.), one or more of the input devices  125 , one or more of the output devices  155 , one or more of the sensors  190 , and/or one or more of the peripheral devices  195 , or share the same physical enclosure or support structure with one or more of the above. 
     In some embodiments, the display generation component  120  is configured to provide the XR experience (e.g., at least a visual component of the XR experience) to the user. In some embodiments, the display generation component  120  includes a suitable combination of software, firmware, and/or hardware. The display generation component  120  is described in greater detail below with respect to  FIG.  3   . In some embodiments, the functionalities of the controller  110  are provided by and/or combined with the display generation component  120 . 
     According to some embodiments, the display generation component  120  provides a XR experience to the user while the user is virtually and/or physically present within the scene  105 . 
     In some embodiments, the display generation component is worn on a part of the user&#39;s body (e.g., on his/her head, on his/her hand, etc.). As such, the display generation component  120  includes one or more XR displays provided to display the XR content. For example, in various embodiments, the display generation component  120  encloses the field-of-view of the user. In some embodiments, the display generation component  120  is a handheld device (such as a smartphone or tablet) configured to present XR content, and the user holds the device with a display directed towards the field-of-view of the user and a camera directed towards the scene  105 . In some embodiments, the handheld device is optionally placed within an enclosure that is worn on the head of the user. In some embodiments, the handheld device is optionally placed on a support (e.g., a tripod) in front of the user. In some embodiments, the display generation component  120  is a XR chamber, enclosure, or room configured to present XR content in which the user does not wear or hold the display generation component  120 . Many user interfaces described with reference to one type of hardware for displaying XR content (e.g., a handheld device or a device on a tripod) could be implemented on another type of hardware for displaying XR content (e.g., an HMD or other wearable computing device). For example, a user interface showing interactions with XR content triggered based on interactions that happen in a space in front of a handheld or tripod mounted device could similarly be implemented with an HMD where the interactions happen in a space in front of the HMD and the responses of the XR content are displayed via the HMD. Similarly, a user interface showing interactions with XR content triggered based on movement of a handheld or tripod mounted device relative to the physical environment (e.g., the scene  105  or a part of the user&#39;s body (e.g., the user&#39;s eye(s), head, or hand)) could similarly be implemented with an HMD where the movement is caused by movement of the HMD relative to the physical environment (e.g., the scene  105  or a part of the user&#39;s body (e.g., the user&#39;s eye(s), head, or hand)). 
     While pertinent features of the operating environment  100  are shown in  FIG.  1   , those of ordinary skill in the art will appreciate from the present disclosure that various other features have not been illustrated for the sake of brevity and so as not to obscure more pertinent aspects of the example embodiments disclosed herein. 
       FIG.  2    is a block diagram of an example of the controller  110  in accordance with some embodiments. While certain specific features are illustrated, those skilled in the art will appreciate from the present disclosure that various other features have not been illustrated for the sake of brevity, and so as not to obscure more pertinent aspects of the embodiments disclosed herein. To that end, as a non-limiting example, in some embodiments, the controller  110  includes one or more processing units  202  (e.g., microprocessors, application-specific integrated-circuits (ASICs), field-programmable gate arrays (FPGAs), graphics processing units (GPUs), central processing units (CPUs), processing cores, and/or the like), one or more input/output (I/O) devices  206 , one or more communication interfaces  208  (e.g., universal serial bus (USB), FIREWIRE, THUNDERBOLT, IEEE 802.3x, IEEE 802.11x, IEEE 802.16x, global system for mobile communications (GSM), code division multiple access (CDMA), time division multiple access (TDMA), global positioning system (GPS), infrared (IR), BLUETOOTH, ZIGBEE, and/or the like type interface), one or more programming (e.g., I/O) interfaces  210 , a memory  220 , and one or more communication buses  204  for interconnecting these and various other components. 
     In some embodiments, the one or more communication buses  204  include circuitry that interconnects and controls communications between system components. In some embodiments, the one or more I/O devices  206  include at least one of a keyboard, a mouse, a touchpad, a joystick, one or more microphones, one or more speakers, one or more image sensors, one or more displays, and/or the like. 
     The memory  220  includes high-speed random-access memory, such as dynamic random-access memory (DRAM), static random-access memory (SRAM), double-data-rate random-access memory (DDR RAM), or other random-access solid-state memory devices. In some embodiments, the memory  220  includes non-volatile memory, such as one or more magnetic disk storage devices, optical disk storage devices, flash memory devices, or other non-volatile solid-state storage devices. The memory  220  optionally includes one or more storage devices remotely located from the one or more processing units  202 . The memory  220  comprises a non-transitory computer readable storage medium. In some embodiments, the memory  220  or the non-transitory computer readable storage medium of the memory  220  stores the following programs, modules and data structures, or a subset thereof including an optional operating system  230  and a XR experience module  240 . 
     The operating system  230  includes instructions for handling various basic system services and for performing hardware dependent tasks. In some embodiments, the XR experience module  240  is configured to manage and coordinate one or more XR experiences for one or more users (e.g., a single XR experience for one or more users, or multiple XR experiences for respective groups of one or more users). To that end, in various embodiments, the XR experience module  240  includes a data obtaining unit  241 , a tracking unit  242 , a coordination unit  246 , and a data transmitting unit  248 . 
     In some embodiments, the data obtaining unit  241  is configured to obtain data (e.g., presentation data, interaction data, sensor data, location data, etc.) from at least the display generation component  120  of  FIG.  1   , and optionally one or more of the input devices  125 , output devices  155 , sensors  190 , and/or peripheral devices  195 . To that end, in various embodiments, the data obtaining unit  241  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     In some embodiments, the tracking unit  242  is configured to map the scene  105  and to track the position/location of at least the display generation component  120  with respect to the scene  105  of  FIG.  1   , and optionally, to one or more of the input devices  125 , output devices  155 , sensors  190 , and/or peripheral devices  195 . To that end, in various embodiments, the tracking unit  242  includes instructions and/or logic therefor, and heuristics and metadata therefor. In some embodiments, the tracking unit  242  includes hand tracking unit  244  and/or eye tracking unit  243 . In some embodiments, the hand tracking unit  244  is configured to track the position/location of one or more portions of the user&#39;s hands, and/or motions of one or more portions of the user&#39;s hands with respect to the scene  105  of  FIG.  1   , relative to the display generation component  120 , and/or relative to a coordinate system defined relative to the user&#39;s hand. The hand tracking unit  244  is described in greater detail below with respect to  FIG.  4   . In some embodiments, the eye tracking unit  243  is configured to track the position and movement of the user&#39;s gaze (or more broadly, the user&#39;s eyes, face, or head) with respect to the scene  105  (e.g., with respect to the physical environment and/or to the user (e.g., the user&#39;s hand)) or with respect to the XR content displayed via the display generation component  120 . The eye tracking unit  243  is described in greater detail below with respect to  FIG.  5   . 
     In some embodiments, the coordination unit  246  is configured to manage and coordinate the XR experience presented to the user by the display generation component  120 , and optionally, by one or more of the output devices  155  and/or peripheral devices  195 . To that end, in various embodiments, the coordination unit  246  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     In some embodiments, the data transmitting unit  248  is configured to transmit data (e.g., presentation data, location data, etc.) to at least the display generation component  120 , and optionally, to one or more of the input devices  125 , output devices  155 , sensors  190 , and/or peripheral devices  195 . To that end, in various embodiments, the data transmitting unit  248  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     Although the data obtaining unit  241 , the tracking unit  242  (e.g., including the eye tracking unit  243  and the hand tracking unit  244 ), the coordination unit  246 , and the data transmitting unit  248  are shown as residing on a single device (e.g., the controller  110 ), it should be understood that in other embodiments, any combination of the data obtaining unit  241 , the tracking unit  242  (e.g., including the eye tracking unit  243  and the hand tracking unit  244 ), the coordination unit  246 , and the data transmitting unit  248  may be located in separate computing devices. 
     Moreover,  FIG.  2    is intended more as functional description of the various features that may be present in a particular implementation as opposed to a structural schematic of the embodiments described herein. As recognized by those of ordinary skill in the art, items shown separately could be combined and some items could be separated. For example, some functional modules shown separately in  FIG.  2    could be implemented in a single module and the various functions of single functional blocks could be implemented by one or more functional blocks in various embodiments. The actual number of modules and the division of particular functions and how features are allocated among them will vary from one implementation to another and, in some embodiments, depends in part on the particular combination of hardware, software, and/or firmware chosen for a particular implementation. 
       FIG.  3    is a block diagram of an example of the display generation component  120  in accordance with some embodiments. While certain specific features are illustrated, those skilled in the art will appreciate from the present disclosure that various other features have not been illustrated for the sake of brevity, and so as not to obscure more pertinent aspects of the embodiments disclosed herein. To that end, as a non-limiting example, in some embodiments the display generation component  120  (e.g., HMD) includes one or more processing units  302  (e.g., microprocessors, ASICs, FPGAs, GPUs, CPUs, processing cores, and/or the like), one or more input/output (I/O) devices and sensors  306 , one or more communication interfaces  308  (e.g., USB, FIREWIRE, THUNDERBOLT, IEEE 802.3x, IEEE 802.11x, IEEE 802.16x, GSM, CDMA, TDMA, GPS, IR, BLUETOOTH, ZIGBEE, and/or the like type interface), one or more programming (e.g., I/O) interfaces  310 , one or more XR displays  312 , one or more optional interior- and/or exterior-facing image sensors  314 , a memory  320 , and one or more communication buses  304  for interconnecting these and various other components. 
     In some embodiments, the one or more communication buses  304  include circuitry that interconnects and controls communications between system components. In some embodiments, the one or more I/O devices and sensors  306  include at least one of an inertial measurement unit (IMU), an accelerometer, a gyroscope, a thermometer, one or more physiological sensors (e.g., blood pressure monitor, heart rate monitor, blood oxygen sensor, blood glucose sensor, etc.), one or more microphones, one or more speakers, a haptics engine, one or more depth sensors (e.g., a structured light, a time-of-flight, or the like), and/or the like. 
     In some embodiments, the one or more XR displays  312  are configured to provide the XR experience to the user. In some embodiments, the one or more XR displays  312  correspond to holographic, digital light processing (DLP), liquid-crystal display (LCD), liquid-crystal on silicon (LCoS), organic light-emitting field-effect transitory (OLET), organic light-emitting diode (OLED), surface-conduction electron-emitter display (SED), field-emission display (FED), quantum-dot light-emitting diode (QD-LED), micro-electro-mechanical system (MEMS), and/or the like display types. In some embodiments, the one or more XR displays  312  correspond to diffractive, reflective, polarized, holographic, etc. waveguide displays. For example, the display generation component  120  (e.g., HMD) includes a single XR display. In another example, the display generation component  120  includes a XR display for each eye of the user. In some embodiments, the one or more XR displays  312  are capable of presenting MR and VR content. In some embodiments, the one or more XR displays  312  are capable of presenting MR or VR content. 
     In some embodiments, the one or more image sensors  314  are configured to obtain image data that corresponds to at least a portion of the face of the user that includes the eyes of the user (and may be referred to as an eye-tracking camera). In some embodiments, the one or more image sensors  314  are configured to obtain image data that corresponds to at least a portion of the user&#39;s hand(s) and optionally arm(s) of the user (and may be referred to as a hand-tracking camera). In some embodiments, the one or more image sensors  314  are configured to be forward-facing so as to obtain image data that corresponds to the scene as would be viewed by the user if the display generation component  120  (e.g., HMD) was not present (and may be referred to as a scene camera). The one or more optional image sensors  314  can include one or more RGB cameras (e.g., with a complimentary metal-oxide-semiconductor (CMOS) image sensor or a charge-coupled device (CCD) image sensor), one or more infrared (IR) cameras, one or more event-based cameras, and/or the like. 
     The memory  320  includes high-speed random-access memory, such as DRAM, SRAM, DDR RAM, or other random-access solid-state memory devices. In some embodiments, the memory  320  includes non-volatile memory, such as one or more magnetic disk storage devices, optical disk storage devices, flash memory devices, or other non-volatile solid-state storage devices. The memory  320  optionally includes one or more storage devices remotely located from the one or more processing units  302 . The memory  320  comprises a non-transitory computer readable storage medium. In some embodiments, the memory  320  or the non-transitory computer readable storage medium of the memory  320  stores the following programs, modules and data structures, or a subset thereof including an optional operating system  330  and a XR presentation module  340 . 
     The operating system  330  includes instructions for handling various basic system services and for performing hardware dependent tasks. In some embodiments, the XR presentation module  340  is configured to present XR content to the user via the one or more XR displays  312 . To that end, in various embodiments, the XR presentation module  340  includes a data obtaining unit  342 , a XR presenting unit  344 , a XR map generating unit  346 , and a data transmitting unit  348 . 
     In some embodiments, the data obtaining unit  342  is configured to obtain data (e.g., presentation data, interaction data, sensor data, location data, etc.) from at least the controller  110  of  FIG.  1   . To that end, in various embodiments, the data obtaining unit  342  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     In some embodiments, the XR presenting unit  344  is configured to present XR content via the one or more XR displays  312 . To that end, in various embodiments, the XR presenting unit  344  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     In some embodiments, the XR map generating unit  346  is configured to generate a XR map (e.g., a 3D map of the mixed reality scene or a map of the physical environment into which computer-generated objects can be placed to generate the extended reality) based on media content data. To that end, in various embodiments, the XR map generating unit  346  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     In some embodiments, the data transmitting unit  348  is configured to transmit data (e.g., presentation data, location data, etc.) to at least the controller  110 , and optionally one or more of the input devices  125 , output devices  155 , sensors  190 , and/or peripheral devices  195 . To that end, in various embodiments, the data transmitting unit  348  includes instructions and/or logic therefor, and heuristics and metadata therefor. 
     Although the data obtaining unit  342 , the XR presenting unit  344 , the XR map generating unit  346 , and the data transmitting unit  348  are shown as residing on a single device (e.g., the display generation component  120  of  FIG.  1   ), it should be understood that in other embodiments, any combination of the data obtaining unit  342 , the XR presenting unit  344 , the XR map generating unit  346 , and the data transmitting unit  348  may be located in separate computing devices. 
     Moreover,  FIG.  3    is intended more as a functional description of the various features that could be present in a particular implementation as opposed to a structural schematic of the embodiments described herein. As recognized by those of ordinary skill in the art, items shown separately could be combined and some items could be separated. For example, some functional modules shown separately in  FIG.  3    could be implemented in a single module and the various functions of single functional blocks could be implemented by one or more functional blocks in various embodiments. The actual number of modules and the division of particular functions and how features are allocated among them will vary from one implementation to another and, in some embodiments, depends in part on the particular combination of hardware, software, and/or firmware chosen for a particular implementation. 
       FIG.  4    is a schematic, pictorial illustration of an example embodiment of the hand tracking device  140 . In some embodiments, hand tracking device  140  ( FIG.  1   ) is controlled by hand tracking unit  244  ( FIG.  2   ) to track the position/location of one or more portions of the user&#39;s hands, and/or motions of one or more portions of the user&#39;s hands with respect to the scene  105  of  FIG.  1    (e.g., with respect to a portion of the physical environment surrounding the user, with respect to the display generation component  120 , or with respect to a portion of the user (e.g., the user&#39;s face, eyes, or head), and/or relative to a coordinate system defined relative to the user&#39;s hand. In some embodiments, the hand tracking device  140  is part of the display generation component  120  (e.g., embedded in or attached to a head-mounted device). In some embodiments, the hand tracking device  140  is separate from the display generation component  120  (e.g., located in separate housings or attached to separate physical support structures). 
     In some embodiments, the hand tracking device  140  includes image sensors  404  (e.g., one or more IR cameras, 3D cameras, depth cameras, and/or color cameras, etc.) that capture three-dimensional scene information that includes at least a hand  406  of a human user. The image sensors  404  capture the hand images with sufficient resolution to enable the fingers and their respective positions to be distinguished. The image sensors  404  typically capture images of other parts of the user&#39;s body, as well, or possibly all of the body, and may have either zoom capabilities or a dedicated sensor with enhanced magnification to capture images of the hand with the desired resolution. In some embodiments, the image sensors  404  also capture 2D color video images of the hand  406  and other elements of the scene. In some embodiments, the image sensors  404  are used in conjunction with other image sensors to capture the physical environment of the scene  105 , or serve as the image sensors that capture the physical environments of the scene  105 . In some embodiments, the image sensors  404  are positioned relative to the user or the user&#39;s environment in a way that a field of view of the image sensors or a portion thereof is used to define an interaction space in which hand movement captured by the image sensors are treated as inputs to the controller  110 . 
     In some embodiments, the image sensors  404  output a sequence of frames containing 3D map data (and possibly color image data, as well) to the controller  110 , which extracts high-level information from the map data. This high-level information is typically provided via an Application Program Interface (API) to an application running on the controller, which drives the display generation component  120  accordingly. For example, the user may interact with software running on the controller  110  by moving his hand  406  and changing his hand posture. 
     In some embodiments, the image sensors  404  project a pattern of spots onto a scene containing the hand  406  and capture an image of the projected pattern. In some embodiments, the controller  110  computes the 3D coordinates of points in the scene (including points on the surface of the user&#39;s hand) by triangulation, based on transverse shifts of the spots in the pattern. This approach is advantageous in that it does not require the user to hold or wear any sort of beacon, sensor, or other marker. It gives the depth coordinates of points in the scene relative to a predetermined reference plane, at a certain distance from the image sensors  404 . In the present disclosure, the image sensors  404  are assumed to define an orthogonal set of x, y, z axes, so that depth coordinates of points in the scene correspond to z components measured by the image sensors. Alternatively, the image sensors  404  (e.g., a hand tracking device) may use other methods of 3D mapping, such as stereoscopic imaging or time-of-flight measurements, based on single or multiple cameras or other types of sensors. 
     In some embodiments, the hand tracking device  140  captures and processes a temporal sequence of depth maps containing the user&#39;s hand, while the user moves his hand (e.g., whole hand or one or more fingers). Software running on a processor in the image sensors  404  and/or the controller  110  processes the 3D map data to extract patch descriptors of the hand in these depth maps. The software matches these descriptors to patch descriptors stored in a database  408 , based on a prior learning process, in order to estimate the pose of the hand in each frame. The pose typically includes 3D locations of the user&#39;s hand joints and finger tips. 
     The software may also analyze the trajectory of the hands and/or fingers over multiple frames in the sequence in order to identify gestures. The pose estimation functions described herein may be interleaved with motion tracking functions, so that patch-based pose estimation is performed only once in every two (or more) frames, while tracking is used to find changes in the pose that occur over the remaining frames. The pose, motion and gesture information are provided via the above-mentioned API to an application program running on the controller  110 . This program may, for example, move and modify images presented on the display generation component  120 , or perform other functions, in response to the pose and/or gesture information. 
     In some embodiments, a gesture includes an air gesture. An air gesture is a gesture that is detected without the user touching (or independently of) an input element that is part of a device (e.g., computer system  101 , one or more input device  125 , and/or hand tracking device  140 ) and is based on detected motion of a portion (e.g., the head, one or more arms, one or more hands, one or more fingers, and/or one or more legs) of the user&#39;s body through the air including motion of the user&#39;s body relative to an absolute reference (e.g., an angle of the user&#39;s arm relative to the ground or a distance of the user&#39;s hand relative to the ground), relative to another portion of the user&#39;s body (e.g., movement of a hand of the user relative to a shoulder of the user, movement of one hand of the user relative to another hand of the user, and/or movement of a finger of the user relative to another finger or portion of a hand of the user), and/or absolute motion of a portion of the user&#39;s body (e.g., a tap gesture that includes movement of a hand in a predetermined pose by a predetermined amount and/or speed, or a shake gesture that includes a predetermined speed or amount of rotation of a portion of the user&#39;s body). 
     In some embodiments, input gestures used in the various examples and embodiments described herein include air gestures performed by movement of the user&#39;s finger(s) relative to other finger(s) (or part(s) of the user&#39;s hand) for interacting with an XR environment (e.g., a virtual or mixed-reality environment), in accordance with some embodiments. In some embodiments, an air gesture is a gesture that is detected without the user touching an input element that is part of the device (or independently of an input element that is a part of the device) and is based on detected motion of a portion of the user&#39;s body through the air including motion of the user&#39;s body relative to an absolute reference (e.g., an angle of the user&#39;s arm relative to the ground or a distance of the user&#39;s hand relative to the ground), relative to another portion of the user&#39;s body (e.g., movement of a hand of the user relative to a shoulder of the user, movement of one hand of the user relative to another hand of the user, and/or movement of a finger of the user relative to another finger or portion of a hand of the user), and/or absolute motion of a portion of the user&#39;s body (e.g., a tap gesture that includes movement of a hand in a predetermined pose by a predetermined amount and/or speed, or a shake gesture that includes a predetermined speed or amount of rotation of a portion of the user&#39;s body). 
     In some embodiments in which the input gesture is an air gesture (e.g., in the absence of physical contact with an input device that provides the computer system with information about which user interface element is the target of the user input, such as contact with a user interface element displayed on a touchscreen, or contact with a mouse or trackpad to move a cursor to the user interface element), the gesture takes into account the user&#39;s attention (e.g., gaze) to determine the target of the user input (e.g., for direct inputs, as described below). Thus, in implementations involving air gestures, the input gesture is, for example, detected attention (e.g., gaze) toward the user interface element in combination (e.g., concurrent) with movement of a user&#39;s finger(s) and/or hands to perform a pinch and/or tap input, as described in more detail below. 
     In some embodiments, input gestures that are directed to a user interface object are performed directly or indirectly with reference to a user interface object. For example, a user input is performed directly on the user interface object in accordance with performing the input gesture with the user&#39;s hand at a position that corresponds to the position of the user interface object in the three-dimensional environment (e.g., as determined based on a current viewpoint of the user). In some embodiments, the input gesture is performed indirectly on the user interface object in accordance with the user performing the input gesture while a position of the user&#39;s hand is not at the position that corresponds to the position of the user interface object in the three-dimensional environment while detecting the user&#39;s attention (e.g., gaze) on the user interface object. For example, for direct input gesture, the user is enabled to direct the user&#39;s input to the user interface object by initiating the gesture at, or near, a position corresponding to the displayed position of the user interface object (e.g., within 0.5 cm, 1 cm, 5 cm, or a distance between 0-5 cm, as measured from an outer edge of the option or a center portion of the option). For an indirect input gesture, the user is enabled to direct the user&#39;s input to the user interface object by paying attention to the user interface object (e.g., by gazing at the user interface object) and, while paying attention to the option, the user initiates the input gesture (e.g., at any position that is detectable by the computer system) (e.g., at a position that does not correspond to the displayed position of the user interface object). 
     In some embodiments, input gestures (e.g., air gestures) used in the various examples and embodiments described herein include pinch inputs and tap inputs, for interacting with a virtual or mixed-reality environment, in accordance with some embodiments. For example, the pinch inputs and tap inputs described below are performed as air gestures. 
     In some embodiments, a pinch input is part of an air gesture that includes one or more of: a pinch gesture, a long pinch gesture, a pinch and drag gesture, or a double pinch gesture. For example, a pinch gesture that is an air gesture includes movement of two or more fingers of a hand to make contact with one another, that is, optionally, followed by an immediate (e.g., within 0-1 seconds) break in contact from each other. A long pinch gesture that is an air gesture includes movement of two or more fingers of a hand to make contact with one another for at least a threshold amount of time (e.g., at least 1 second), before detecting a break in contact with one another. For example, a long pinch gesture includes the user holding a pinch gesture (e.g., with the two or more fingers making contact), and the long pinch gesture continues until a break in contact between the two or more fingers is detected. In some embodiments, a double pinch gesture that is an air gesture comprises two (e.g., or more) pinch inputs (e.g., performed by the same hand) detected in immediate (e.g., within a predefined time period) succession of each other. For example, the user performs a first pinch input (e.g., a pinch input or a long pinch input), releases the first pinch input (e.g., breaks contact between the two or more fingers), and performs a second pinch input within a predefined time period (e.g., within 1 second or within 2 seconds) after releasing the first pinch input. 
     In some embodiments, a pinch and drag gesture that is an air gesture includes a pinch gesture (e.g., a pinch gesture or a long pinch gesture) performed in conjunction with (e.g., followed by) a drag input that changes a position of the user&#39;s hand from a first position (e.g., a start position of the drag) to a second position (e.g., an end position of the drag). In some embodiments, the user maintains the pinch gesture while performing the drag input, and releases the pinch gesture (e.g., opens their two or more fingers) to end the drag gesture (e.g., at the second position). In some embodiments, the pinch input and the drag input are performed by the same hand (e.g., the user pinches two or more fingers to make contact with one another and moves the same hand to the second position in the air with the drag gesture). In some embodiments, the pinch input is performed by a first hand of the user and the drag input is performed by the second hand of the user (e.g., the user&#39;s second hand moves from the first position to the second position in the air while the user continues the pinch input with the user&#39;s first hand). In some embodiments, an input gesture that is an air gesture includes inputs (e.g., pinch and/or tap inputs) performed using both of the user&#39;s two hands. For example, the input gesture includes two (e.g., or more) pinch inputs performed in conjunction with (e.g., concurrently with, or within a predefined time period of) each other. For example, a first pinch gesture performed using a first hand of the user (e.g., a pinch input, a long pinch input, or a pinch and drag input), and, in conjunction with performing the pinch input using the first hand, performing a second pinch input using the other hand (e.g., the second hand of the user&#39;s two hands). In some embodiments, movement between the user&#39;s two hands (e.g., to increase and/or decrease a distance or relative orientation between the user&#39;s two hands). 
     In some embodiments, a tap input (e.g., directed to a user interface element) performed as an air gesture includes movement of a user&#39;s finger(s) toward the user interface element, movement of the user&#39;s hand toward the user interface element optionally with the user&#39;s finger(s) extended toward the user interface element, a downward motion of a user&#39;s finger (e.g., mimicking a mouse click motion or a tap on a touchscreen), or other predefined movement of the user&#39;s hand. In some embodiments a tap input that is performed as an air gesture is detected based on movement characteristics of the finger or hand performing the tap gesture movement of a finger or hand away from the viewpoint of the user and/or toward an object that is the target of the tap input followed by an end of the movement. In some embodiments the end of the movement is detected based on a change in movement characteristics of the finger or hand performing the tap gesture (e.g., an end of movement away from the viewpoint of the user and/or toward the object that is the target of the tap input, a reversal of direction of movement of the finger or hand, and/or a reversal of a direction of acceleration of movement of the finger or hand). 
     In some embodiments, attention of a user is determined to be directed to a portion of the three-dimensional environment based on detection of gaze directed to the portion of the three-dimensional environment (optionally, without requiring other conditions). In some embodiments, attention of a user is determined to be directed to a portion of the three-dimensional environment based on detection of gaze directed to the portion of the three-dimensional environment with one or more additional conditions such as requiring that gaze is directed to the portion of the three-dimensional environment for at least a threshold duration (e.g., a dwell duration) and/or requiring that the gaze is directed to the portion of the three-dimensional environment while the viewpoint of the user is within a distance threshold from the portion of the three-dimensional environment in order for the device to determine that attention of the user is directed to the portion of the three-dimensional environment, where if one of the additional conditions is not met, the device determines that attention is not directed to the portion of the three-dimensional environment toward which gaze is directed (e.g., until the one or more additional conditions are met). 
     In some embodiments, the detection of a ready state configuration of a user or a portion of a user is detected by the computer system. Detection of a ready state configuration of a hand is used by a computer system as an indication that the user is likely preparing to interact with the computer system using one or more air gesture inputs performed by the hand (e.g., a pinch, tap, pinch and drag, double pinch, long pinch, or other air gesture described herein). For example, the ready state of the hand is determined based on whether the hand has a predetermined hand shape (e.g., a pre-pinch shape with a thumb and one or more fingers extended and spaced apart ready to make a pinch or grab gesture or a pre-tap with one or more fingers extended and palm facing away from the user), based on whether the hand is in a predetermined position relative to a viewpoint of the user (e.g., below the user&#39;s head and above the user&#39;s waist and extended out from the body by at least 15, 20, 25, 30, or 50 cm), and/or based on whether the hand has moved in a particular manner (e.g., moved toward a region in front of the user above the user&#39;s waist and below the user&#39;s head or moved away from the user&#39;s body or leg). In some embodiments, the ready state is used to determine whether interactive elements of the user interface respond to attention (e.g., gaze) inputs. 
     In some embodiments, the software may be downloaded to the controller  110  in electronic form, over a network, for example, or it may alternatively be provided on tangible, non-transitory media, such as optical, magnetic, or electronic memory media. In some embodiments, the database  408  is likewise stored in a memory associated with the controller  110 . Alternatively or additionally, some or all of the described functions of the computer may be implemented in dedicated hardware, such as a custom or semi-custom integrated circuit or a programmable digital signal processor (DSP). Although the controller  110  is shown in  FIG.  4   , by way of example, as a separate unit from the image sensors  404 , some or all of the processing functions of the controller may be performed by a suitable microprocessor and software or by dedicated circuitry within the housing of the image sensors  404  (e.g., a hand tracking device) or otherwise associated with the image sensors  404 . In some embodiments, at least some of these processing functions may be carried out by a suitable processor that is integrated with the display generation component  120  (e.g., in a television set, a handheld device, or head-mounted device, for example) or with any other suitable computerized device, such as a game console or media player. The sensing functions of image sensors  404  may likewise be integrated into the computer or other computerized apparatus that is to be controlled by the sensor output. 
       FIG.  4    further includes a schematic representation of a depth map  410  captured by the image sensors  404 , in accordance with some embodiments. The depth map, as explained above, comprises a matrix of pixels having respective depth values. The pixels  412  corresponding to the hand  406  have been segmented out from the background and the wrist in this map. The brightness of each pixel within the depth map  410  corresponds inversely to its depth value, i.e., the measured z distance from the image sensors  404 , with the shade of gray growing darker with increasing depth. The controller  110  processes these depth values in order to identify and segment a component of the image (i.e., a group of neighboring pixels) having characteristics of a human hand. These characteristics, may include, for example, overall size, shape and motion from frame to frame of the sequence of depth maps. 
       FIG.  4    also schematically illustrates a hand skeleton  414  that controller  110  ultimately extracts from the depth map  410  of the hand  406 , in accordance with some embodiments. In  FIG.  4   , the hand skeleton  414  is superimposed on a hand background  416  that has been segmented from the original depth map. In some embodiments, key feature points of the hand (e.g., points corresponding to knuckles, finger tips, center of the palm, end of the hand connecting to wrist, etc.) and optionally on the wrist or arm connected to the hand are identified and located on the hand skeleton  414 . In some embodiments, location and movements of these key feature points over multiple image frames are used by the controller  110  to determine the hand gestures performed by the hand or the current state of the hand, in accordance with some embodiments. 
       FIG.  5    illustrates an example embodiment of the eye tracking device  130  ( FIG.  1   ). In some embodiments, the eye tracking device  130  is controlled by the eye tracking unit  243  ( FIG.  2   ) to track the position and movement of the user&#39;s gaze with respect to the scene  105  or with respect to the XR content displayed via the display generation component  120 . In some embodiments, the eye tracking device  130  is integrated with the display generation component  120 . For example, in some embodiments, when the display generation component  120  is a head-mounted device such as headset, helmet, goggles, or glasses, or a handheld device placed in a wearable frame, the head-mounted device includes both a component that generates the XR content for viewing by the user and a component for tracking the gaze of the user relative to the XR content. In some embodiments, the eye tracking device  130  is separate from the display generation component  120 . For example, when display generation component is a handheld device or a XR chamber, the eye tracking device  130  is optionally a separate device from the handheld device or XR chamber. In some embodiments, the eye tracking device  130  is a head-mounted device or part of a head-mounted device. In some embodiments, the head-mounted eye-tracking device  130  is optionally used in conjunction with a display generation component that is also head-mounted, or a display generation component that is not head-mounted. In some embodiments, the eye tracking device  130  is not a head-mounted device, and is optionally used in conjunction with a head-mounted display generation component. In some embodiments, the eye tracking device  130  is not a head-mounted device, and is optionally part of a non-head-mounted display generation component. 
     In some embodiments, the display generation component  120  uses a display mechanism (e.g., left and right near-eye display panels) for displaying frames including left and right images in front of a user&#39;s eyes to thus provide 3D virtual views to the user. For example, a head-mounted display generation component may include left and right optical lenses (referred to herein as eye lenses) located between the display and the user&#39;s eyes. In some embodiments, the display generation component may include or be coupled to one or more external video cameras that capture video of the user&#39;s environment for display. In some embodiments, a head-mounted display generation component may have a transparent or semi-transparent display through which a user may view the physical environment directly and display virtual objects on the transparent or semi-transparent display. In some embodiments, display generation component projects virtual objects into the physical environment. The virtual objects may be projected, for example, on a physical surface or as a holograph, so that an individual, using the system, observes the virtual objects superimposed over the physical environment. In such cases, separate display panels and image frames for the left and right eyes may not be necessary. 
     As shown in  FIG.  5   , in some embodiments, eye tracking device  130  (e.g., a gaze tracking device) includes at least one eye tracking camera (e.g., infrared (IR) or near-IR (NIR) cameras), and illumination sources (e.g., IR or NIR light sources such as an array or ring of LEDs) that emit light (e.g., IR or NIR light) towards the user&#39;s eyes. The eye tracking cameras may be pointed towards the user&#39;s eyes to receive reflected IR or NIR light from the light sources directly from the eyes, or alternatively may be pointed towards “hot” mirrors located between the user&#39;s eyes and the display panels that reflect IR or NIR light from the eyes to the eye tracking cameras while allowing visible light to pass. The eye tracking device  130  optionally captures images of the user&#39;s eyes (e.g., as a video stream captured at 60-120 frames per second (fps)), analyze the images to generate gaze tracking information, and communicate the gaze tracking information to the controller  110 . In some embodiments, two eyes of the user are separately tracked by respective eye tracking cameras and illumination sources. In some embodiments, only one eye of the user is tracked by a respective eye tracking camera and illumination sources. 
     In some embodiments, the eye tracking device  130  is calibrated using a device-specific calibration process to determine parameters of the eye tracking device for the specific operating environment  100 , for example the 3D geometric relationship and parameters of the LEDs, cameras, hot mirrors (if present), eye lenses, and display screen. The device-specific calibration process may be performed at the factory or another facility prior to delivery of the AR/VR equipment to the end user. The device-specific calibration process may be an automated calibration process or a manual calibration process. A user-specific calibration process may include an estimation of a specific user&#39;s eye parameters, for example the pupil location, fovea location, optical axis, visual axis, eye spacing, etc. Once the device-specific and user-specific parameters are determined for the eye tracking device  130 , images captured by the eye tracking cameras can be processed using a glint-assisted method to determine the current visual axis and point of gaze of the user with respect to the display, in accordance with some embodiments. 
     As shown in  FIG.  5   , the eye tracking device  130  (e.g.,  130 A or  130 B) includes eye lens(es)  520 , and a gaze tracking system that includes at least one eye tracking camera  540  (e.g., infrared (IR) or near-IR (NIR) cameras) positioned on a side of the user&#39;s face for which eye tracking is performed, and an illumination source  530  (e.g., IR or NIR light sources such as an array or ring of NIR light-emitting diodes (LEDs)) that emit light (e.g., IR or NIR light) towards the user&#39;s eye(s)  592 . The eye tracking cameras  540  may be pointed towards mirrors  550  located between the user&#39;s eye(s)  592  and a display  510  (e.g., a left or right display panel of a head-mounted display, or a display of a handheld device, a projector, etc.) that reflect IR or NIR light from the eye(s)  592  while allowing visible light to pass (e.g., as shown in the top portion of  FIG.  5   ), or alternatively may be pointed towards the user&#39;s eye(s)  592  to receive reflected IR or NIR light from the eye(s)  592  (e.g., as shown in the bottom portion of  FIG.  5   ). 
     In some embodiments, the controller  110  renders AR or VR frames  562  (e.g., left and right frames for left and right display panels) and provides the frames  562  to the display  510 . The controller  110  uses gaze tracking input  542  from the eye tracking cameras  540  for various purposes, for example in processing the frames  562  for display. The controller  110  optionally estimates the user&#39;s point of gaze on the display  510  based on the gaze tracking input  542  obtained from the eye tracking cameras  540  using the glint-assisted methods or other suitable methods. The point of gaze estimated from the gaze tracking input  542  is optionally used to determine the direction in which the user is currently looking. 
     The following describes several possible use cases for the user&#39;s current gaze direction, and is not intended to be limiting. As an example use case, the controller  110  may render virtual content differently based on the determined direction of the user&#39;s gaze. For example, the controller  110  may generate virtual content at a higher resolution in a foveal region determined from the user&#39;s current gaze direction than in peripheral regions. As another example, the controller may position or move virtual content in the view based at least in part on the user&#39;s current gaze direction. As another example, the controller may display particular virtual content in the view based at least in part on the user&#39;s current gaze direction. As another example use case in AR applications, the controller  110  may direct external cameras for capturing the physical environments of the XR experience to focus in the determined direction. The autofocus mechanism of the external cameras may then focus on an object or surface in the environment that the user is currently looking at on the display  510 . As another example use case, the eye lenses  520  may be focusable lenses, and the gaze tracking information is used by the controller to adjust the focus of the eye lenses  520  so that the virtual object that the user is currently looking at has the proper vergence to match the convergence of the user&#39;s eyes  592 . The controller  110  may leverage the gaze tracking information to direct the eye lenses  520  to adjust focus so that close objects that the user is looking at appear at the right distance. 
     In some embodiments, the eye tracking device is part of a head-mounted device that includes a display (e.g., display  510 ), two eye lenses (e.g., eye lens(es)  520 ), eye tracking cameras (e.g., eye tracking camera(s)  540 ), and light sources (e.g., light sources  530  (e.g., IR or NIR LEDs), mounted in a wearable housing. The light sources emit light (e.g., IR or NIR light) towards the user&#39;s eye(s)  592 . In some embodiments, the light sources may be arranged in rings or circles around each of the lenses as shown in  FIG.  5   . In some embodiments, eight light sources  530  (e.g., LEDs) are arranged around each lens  520  as an example. However, more or fewer light sources  530  may be used, and other arrangements and locations of light sources  530  may be used. 
     In some embodiments, the display  510  emits light in the visible light range and does not emit light in the IR or NIR range, and thus does not introduce noise in the gaze tracking system. Note that the location and angle of eye tracking camera(s)  540  is given by way of example, and is not intended to be limiting. In some embodiments, a single eye tracking camera  540  is located on each side of the user&#39;s face. In some embodiments, two or more NIR cameras  540  may be used on each side of the user&#39;s face. In some embodiments, a camera  540  with a wider field of view (FOV) and a camera  540  with a narrower FOV may be used on each side of the user&#39;s face. In some embodiments, a camera  540  that operates at one wavelength (e.g., 850 nm) and a camera  540  that operates at a different wavelength (e.g., 940 nm) may be used on each side of the user&#39;s face. 
     Embodiments of the gaze tracking system as illustrated in  FIG.  5    may, for example, be used in computer-generated reality, virtual reality, and/or mixed reality applications to provide computer-generated reality, virtual reality, augmented reality, and/or augmented virtuality experiences to the user. 
       FIG.  6    illustrates a glint-assisted gaze tracking pipeline, in accordance with some embodiments. In some embodiments, the gaze tracking pipeline is implemented by a glint-assisted gaze tracking system (e.g., eye tracking device  130  as illustrated in  FIGS.  1  and  5   ). The glint-assisted gaze tracking system may maintain a tracking state. Initially, the tracking state is off or “NO”. When in the tracking state, the glint-assisted gaze tracking system uses prior information from the previous frame when analyzing the current frame to track the pupil contour and glints in the current frame. When not in the tracking state, the glint-assisted gaze tracking system attempts to detect the pupil and glints in the current frame and, if successful, initializes the tracking state to “YES” and continues with the next frame in the tracking state. 
     As shown in  FIG.  6   , the gaze tracking cameras may capture left and right images of the user&#39;s left and right eyes. The captured images are then input to a gaze tracking pipeline for processing beginning at  610 . As indicated by the arrow returning to element  600 , the gaze tracking system may continue to capture images of the user&#39;s eyes, for example at a rate of 60 to 120 frames per second. In some embodiments, each set of captured images may be input to the pipeline for processing. However, in some embodiments or under some conditions, not all captured frames are processed by the pipeline. 
     At  610 , for the current captured images, if the tracking state is YES, then the method proceeds to element  640 . At  610 , if the tracking state is NO, then as indicated at  620  the images are analyzed to detect the user&#39;s pupils and glints in the images. At  630 , if the pupils and glints are successfully detected, then the method proceeds to element  640 . Otherwise, the method returns to element  610  to process next images of the user&#39;s eyes. 
     At  640 , if proceeding from element  610 , the current frames are analyzed to track the pupils and glints based in part on prior information from the previous frames. At  640 , if proceeding from element  630 , the tracking state is initialized based on the detected pupils and glints in the current frames. Results of processing at element  640  are checked to verify that the results of tracking or detection can be trusted. For example, results may be checked to determine if the pupil and a sufficient number of glints to perform gaze estimation are successfully tracked or detected in the current frames. At  650 , if the results cannot be trusted, then the tracking state is set to NO at element  660 , and the method returns to element  610  to process next images of the user&#39;s eyes. At  650 , if the results are trusted, then the method proceeds to element  670 . At  670 , the tracking state is set to YES (if not already YES), and the pupil and glint information is passed to element  680  to estimate the user&#39;s point of gaze. 
       FIG.  6    is intended to serve as one example of eye tracking technology that may be used in a particular implementation. As recognized by those of ordinary skill in the art, other eye tracking technologies that currently exist or are developed in the future may be used in place of or in combination with the glint-assisted eye tracking technology describe herein in the computer system  101  for providing XR experiences to users, in accordance with various embodiments. 
     In the present disclosure, various input methods are described with respect to interactions with a computer system. When an example is provided using one input device or input method and another example is provided using another input device or input method, it is to be understood that each example may be compatible with and optionally utilizes the input device or input method described with respect to another example. Similarly, various output methods are described with respect to interactions with a computer system. When an example is provided using one output device or output method and another example is provided using another output device or output method, it is to be understood that each example may be compatible with and optionally utilizes the output device or output method described with respect to another example. Similarly, various methods are described with respect to interactions with a virtual environment or a mixed reality environment through a computer system. When an example is provided using interactions with a virtual environment and another example is provided using mixed reality environment, it is to be understood that each example may be compatible with and optionally utilizes the methods described with respect to another example. As such, the present disclosure discloses embodiments that are combinations of the features of multiple examples, without exhaustively listing all features of an embodiment in the description of each example embodiment. 
     User Interfaces and Associated Processes 
     Attention is now directed towards embodiments of user interfaces (“UI”) and associated processes that may be implemented on a computer system, such as a portable multifunction device or a head-mounted device, in communication with a display generation component and an external computer system that is associated with a first user. 
       FIGS.  7 A- 7 I  illustrate examples of displaying a visual indication of a portion of a user.  FIG.  8    is a flow diagram of an exemplary method  800  for displaying a visual indication of a portion of a user. The user interfaces in  FIGS.  7 A- 7 I  are used to illustrate the processes described below, including the processes in  FIG.  8   . 
       FIG.  7 A  illustrates first electronic device  700  (e.g., “John&#39;s Tablet”) displaying communication user interface  702  on display  700   a  and second electronic device  704  (e.g., “Jane&#39;s Tablet”) displaying communication user interface  706  on display  704   a . In addition,  FIG.  7 A  shows first physical environment  708  of first user  710  (e.g., “John”) who is using and/or associated with first electronic device  700  and second physical environment  712  of second user  714  (e.g., “Jane”) who is using and/or associated with second electronic device  704 . First user  710  is at first position  709   a  within first physical environment  708  and second user  714  is at first position  713   a  in second physical environment  712 . In addition, at  FIG.  7 A , first electronic device  700  and second electronic device  704  are in communication with one another. In particular, first user  710  and second user  714  are participating in a real-time communication session (e.g., a video call, a virtual video call, a video conference, and/or a virtual video conference) via first electronic device  700  and second electronic device  704 . In some embodiments, the real-time communication session includes actual image and/or video data transferred between electronic devices  700  and  704 . In some embodiments, the real-time communication session includes a virtual representation of users  710  and  714  (e.g., avatars of users  710  and  714 ) that are generated and displayed based on data captured via one or more sensors (e.g., sensors  716   a - 716   c ) in communication with electronic devices  700  and  704 . 
     At  FIG.  7 A , communication user interface  702  includes first participant region  702   a  including first representation  718  corresponding to first user  710  and second participant region  702   b  including extended reality environment  715  (e.g., a virtual reality environment, an augmented reality environment, and/or a mixed reality environment) and second representation  730  corresponding to second user  714 . Similarly, communication user interface  706  includes third participant region  706   a  including extended reality environment  715  and first representation  718  corresponding to first user  710  and fourth participant region  706   b  including second representation  730  corresponding to second user  714 . First electronic device  700  and second electronic device  704  are configured to direct (e.g., transmit) sensor data, audio data, image data, and/or video data between one another, such that first user  710  and second user  714  can communicate with one another via first electronic device  700  and second electronic device  704 , respectively (e.g., first physical environment  708  in which first user  710  is located is remote from second physical environment  712  in which second user  714  is located). As set forth below, first electronic device  700  and second electronic device  704  display representations of first user  710  and second user  714  on communication user interfaces  702  and  706 , respectively. The representations of first user  710  and second user  714  that are displayed can include virtual avatars of first user  710  and second user  714  that are generated by first electronic device  700  and/or second electronic device  704 . In other words, the representations of first user  710  and second user  714  displayed by first electronic device  700  and second electronic device  704  are not actual images of first user  710  and second user  714  that are captured via a camera. Instead, the representations are virtual avatars that are generated based on data captured via one or more sensors (e.g., sensors  716   a - 716   c ) in communication with first electronic device  700  and/or second electronic device  704 . Accordingly, the representations of the users in the extended reality environment optionally look different from the appearance of the users in the physical environments. 
     At  FIG.  7 A , first physical environment  708  includes first sensor  716   a  and second sensor  716   b  and second physical environment  712  includes third sensor  716   c . Sensors  716   a  and  716   b  are in communication with first electronic device  700  (e.g., wired communication and/or wireless communication) and third sensor  716   c  is in communication with second electronic device  704  (e.g., wired communication and/or wireless communication). In some embodiments, sensors  716   a - 716   c  include cameras, image sensors, light sensors, depth sensors, tactile sensors, orientation sensors, proximity sensors, temperature sensors, location sensors, motion sensors, and/or velocity sensors. Sensors  716   a  and  716   b  are configured to capture data related to a state (e.g., a position, a location, an orientation, a posture, and/or a pose) of first user  710  (e.g., a body of first user  710 ) within first physical environment  708  and sensor  716   c  is configured to capture data related to a state (e.g., a position, a location, an orientation, a posture, and/or a pose) of second user  714  (e.g., a body of second user  714 ) within second physical environment  712 . For example, sensors  716   a - 716   c  are configured to detect and capture data related to a positon and/or movement of various body parts of users  710  and  714  within their respective physical environments. While  FIG.  7 A  illustrates first electronic device  700  being in communication with two sensors (e.g., sensors  716   a  and  716   b ) and second electronic device  704  being in communication with one sensor (e.g., third sensor  716   c ), in some embodiments, first electronic device  700  and second electronic device  704  are in communication with any suitable number of sensors. 
       FIGS.  7 A- 7 I  illustrate exemplary user interfaces displayed on electronic devices  700  and  704  during the real-time communication session. While both of electronic devices  700  and  704  are illustrated, described examples are largely directed to sensors  716   a  and  716   b  capturing data indicative of a state of first user  710  and second electronic device  704  displaying and/or updating first representation  718  of first user  710  on communication user interface  706  based on received information that is based on the data. It should be understood that, in some examples, first electronic device  700  operates in an analogous manner as second electronic device  704  based on received information that is based on data captured via sensor  716   c  during the real-time communication session. Accordingly, in some examples, first electronic device  700  displays similar representations of second user  714  on communication user interface  702  as those described below with reference to second electronic device  704 . 
     At  FIG.  7 A , first electronic device  700  receives data from sensors  716   a  and  716   b  and directs (e.g., transmits) information based on the data to second electronic device  704 . Second electronic device  704  receives the information and generates first representation  718  of first user  710  that is displayed, via display  704   a , in extended reality environment  715  on communication user interface  706 . Second electronic device  704  generates first representation  718  based on the received information. The data captured by sensors  716   a  and  716   b  includes data related to a state of one or more body parts of first user  710  within first physical environment  708 . In some embodiments, the data captured by sensors  716   a  and  716   b  further includes data related to features and/or physical characteristics (e.g., facial features, hair color, eye color, clothing, size of body parts, and/or positions of one or more body parts with respect to one another) of one or more body parts of first user  710 . Second electronic device  704  uses the received information (that is based on the data) and generates first representation  718  to at least partially include an appearance that imitates an actual state of first user  710  within first physical environment  708 . Similarly, first electronic device  700  receives information that is based on data captured via sensor  716   c  (e.g., from second electronic device  704  and/or via an external device, such as a server) and generates second representation  730  corresponding to second user  714  based on the received information. 
     At  FIG.  7 A , first user  710  is located at first position  709   a  in first physical environment  708  with first hand  710   a  and second hand  710   b  adjacent to waist  710   c  of a body of first user  710 . Accordingly, second electronic device  704  receives the information indicative of the state of first user  710  and generates and displays, based on the information, first representation  718  at first position  719   a  in extended reality environment  715  In some embodiments, first position  719   a  corresponds to first position  709   a . At  FIG.  7 A , first representation  718  includes first hand  718   a  (e.g., a representation of first hand  710   a ) and second hand  718   b  (e.g., a representation of second hand  710   b ) adjacent to waist  718   c  (e.g., a representation of waist  710   c ). Thus, second electronic device  704  displays first representation  718  in extended reality environment  715  to imitate a state of first user  710  in first physical environment  708 . 
     In some instances, the information received by second electronic device  704  is based on indirect data indicative of a state of one or more body parts of first user  710  (e.g., data that does not correspond to an actual and/or exact state of the one or more body parts of first user  710 ). For example, in some embodiments, sensors  716   a  and  716   b  capture direct data indicative of a state of upper portion  711   a  of the body of first user  710 , but captures indirect data indicative of a state of lower portion  711   b  of the body of first user  710  (e.g., when sensors  716   a  and/or  716   b  are not directed toward and/or otherwise configured to capture data about lower portion  711   b ). In some embodiments, indirect data includes an extrapolated and/or inferred state of one or more portions of the body of first user  710  and direct data includes a captured and/or sensed state of one or more portions of the body of first user  710  (e.g., direct data does not include an extrapolated and/or inferred state of one or more portions of the body of first user  710 ). When the information received by second electronic device  704  is based on indirect data, second electronic device  704  displays first visual indication  720  as part of first representation  718  as an indication of lower portion  711   b  of the body of first user  710 . At  FIG.  7 A , first visual indication  720  includes shadow  720   a  displayed on ground  722  of extended reality environment  715 . In some embodiments, second electronic device  704  estimates (e.g., predicts based on the received information, extrapolates the received information, and/or approximates based on the received information) a state of lower portion  711   b  and displays visual indication  720  in a location of extended reality environment  715  based on the estimate. In some embodiments, first electronic device  700  estimates the state of lower portion  711   b  based on the data captured via sensor  716   a  and/or sensor  716   b  and directs (e.g., transmits) the information including the estimated state of lower portion  711   b  to second electronic device  704 . Thus, second electronic device  704  displays visual indication  720  at an estimated position that is based on the indirect data indicative of the state of upper portion  711   b  of the body of first user  710  and/or based on the direct data indicative of the state of upper portion  711   a  of the body of first user  710 . 
     At  FIG.  7 A , first user  710  has first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g  that are included in lower portion  711   b  of the body of first user  710 . In some embodiments, when the information received by second electronic device  704  is based indirect data indicative of a state of first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g , second electronic device  704  displays visual indication  720  to represent these body parts of first user  710  in extended reality environment  715 . In some embodiments, the indirect data of the state of first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g  includes an estimate, approximation, and/or inference as to a position and/or orientation of first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g  within physical environment  708 . In some such embodiments, the indirect data of the state of first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g  does not include direct sensor data that captures the actual position and/or orientation of first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g  within physical environment  708 . Accordingly, second user  714  can view communication user interface  706  and obtain an understanding of where these body parts may be positioned with respect to the other portions of first representation  718  (e.g., first hand  718   a , second hand  718   b , and/or waist  718   c ) based on a location of visual indication  720 . In some embodiments, visual indication  720  represents portions of first representation  718  that are not clearly displayed via second electronic device  704 . In some embodiments, visual indication  720  represents portions of first representation  718  that are not displayed via second electronic device  704 . 
     In some embodiments, second electronic device  704  displays (e.g., concurrently with visual indication  720  and/or in lieu of visual indication  720 ) second visual indication  724  of one or more portions of the body of first user  710  as part of first representation  718  when second electronic device  704  receives the information based on indirect data indicative of a state of one or more body parts of first user  710 . For instance, at  FIG.  7 A , second electronic device  704  displays second visual indication  724  (e.g., indicated by dashed lines at  FIG.  7 A ) representing first leg  710   d , second leg  710   e , first foot  710   f , and second foot  710   g . As illustrated in  FIG.  7 A , second visual indication  724  includes dashed lines to represent first leg  718   d , second leg  718   e , first foot  718   f , and second foot  718   g  of first representation  718 . In some embodiments, second visual indication  724  does not include an anatomically accurate depiction of one or more portions of the body of first user  710  (e.g., second visual indication  724  does not include a clear representation of first leg  718   d , second leg  718   e , first foot  718   f , and second foot  718   g ). In some embodiments, second visual indication  724  includes a blurred extension of first representation  718 . For example, second visual indication  724  can include an orb-like object that includes a non-zero amount of blur, which represents one or more of first leg  710   d , second leg  710   e , first foot  710   f , and/or second foot  710   g  of first user  710 . In some embodiments, second electronic device  704  estimates (e.g., predicts based on the received information, extrapolates the received information, and/or approximates based on the received information) a position of second visual indication  724  to display second visual indication  724  at a location in extended reality environment  715 . In some embodiments, first electronic device  700  estimates the state of lower portion  711   b  based on the data captured via sensor  716   a  and/or sensor  716   b  and directs (e.g., transmits) the information including the estimated state of lower portion  711   b  to second electronic device  704 . Accordingly, second user  714  can view communication user interface  706  and obtain an understanding of where one or more body parts of first user  710  may be positioned with respect to the remainder of first representation  718  based on a location of second visual indication  724 . 
     In some embodiments, extended reality environment  715  is a virtual environment that is different from and/or not based on captured data indicative of features of first physical environment  708 . In some such embodiments, ground  722  is a virtual ground that is different from and/or not based on captured data indicative of features of a ground of first physical environment  708 . In some embodiments, extended reality environment  715  includes one or more objects (e.g., virtual objects, representations of physical objects in first physical environment  708 , and/or images of physical objects in first physical environment  708 ). Second electronic device  704  is configured to display visual indication  720  and/or second visual indication  724  within extended reality environment  715  in relation to the one or more objects. In other words, second electronic device  704  can adjust sizes, shapes, and/or positions of visual indication  720  and/or second visual indication  724  based on respective positions of the one or more objects displayed in extended reality environment  715 . 
     In addition, second electronic device  704  is configured to adjust and/or modify display of first representation  718 , which includes visual indication  720  and/or second visual indication  724 , based on information indicative of a status of first user  710  (e.g., information received from first electronic device  700  based on data captured via sensors  716   a  and  716   b ). For example, in response to detecting movement of first user  710 , first electronic device  700  directs (e.g., transmits) information to second electronic device  704  indicating the movement and/or new position of first user  710  within first physical environment  708 . In response to receiving the information, second electronic device  704  displays first representation  718 , visual indication  720 , and/or second visual indication  724  at a second position  719   b  on third participant region  706   a , as shown at  FIG.  7 B . 
     At  FIG.  7 B , first user  710  has moved (e.g., walked) to second position  709   b  within first physical environment  708 , where second position  709   b  is different from first position  709   a . In response to receiving the information (e.g., from first electronic device  700  and/or via an external device, such as a server) indicating the movement, second electronic device  704  displays first representation  718  at second position  719   b  within extended reality environment  715  to reflect the actual movement of first user  710  within first physical environment  708 . In addition, at  FIG.  7 B , second electronic device  704  displays visual indication  720  to also reflect the movement of first user  710 . For instance, at  FIG.  7 B , visual indication  720  is positioned partially between waist  718   c  of first representation  718  and ground  722  of extended reality environment  715 . Accordingly, second electronic device  704  displays visual indication  720  at an updated position within extended reality environment  715  in response to receiving information indicative of first user  710  moving and/or having changed positions within first physical environment  708 . 
     Further, as shown at  FIGS.  7 A and  7 B , second user  714  does not move within second physical environment  712 , but remains at position  713   a . As such, first electronic device  700  receives information indicative of a state of second user  714  (e.g., from second electronic device  704  and/or via an external device, such as a server), and in response to receiving the information, maintains display of second representation  730  with a same state (e.g., the same state shown in  FIG.  7 A ). 
     At  FIG.  7 B , first portion  720   b  of visual indication  720  is located between waist  718   c  of first representation  718  and ground  722  of extended reality environment  715 . Second portion  720   c  of visual indication  720  extends beyond second position  709   b  (e.g., appearing to be behind second position  709   b ) in extended reality environment  715  to reflect the movement of first user  710 . For example, second electronic device  704  displays second portion  720   c  to appear as a shadow of first representation  718  within third participant region  706   a.    
     As set forth below, in some embodiments, second electronic device  704  displays second portion  720   c  as extending beyond second position  709   b  based on lighting (e.g., virtual lighting and/or a representation of actual lighting in first physical environment  708  and/or second physical environment  712 ) that is included and/or displayed in extended reality environment  715 . For instance, returning to  FIG.  7 A , the lighting of extended reality environment  715  is emitted from a source that is at a position located above first representation  718  with respect to ground  722 . As such, visual indication  720  includes an oval shape beneath first representation  718  when first representation  718  is displayed at first position  709   a . When second electronic device  704  displays first representation  718  at second position  709   b , second electronic device  704  displays visual indication  720  as having second portion  720   c  to reflect that first representation  718  is now displayed at second position  709   b , which is no longer underneath the light source of extended reality environment  715  (e.g., the light source emits light that is blocked by at least a portion of first representation  718 , thereby causing second portion  720   c  of visual indication  720  to extend beyond second position  709   b ). 
     At  FIG.  7 B , second portion  720   c  includes a shape and/or appearance that imitates a state of first representation  718 . For example, second portion  720   c  includes a generally linear projection  720   c  extending from first portion  720   b , which reflects that first hand  718   a  (e.g., a representation of first hand  710   a ) and second hand  718   b  (e.g., a representation of second hand  710   b ) are positioned adjacent to waist  718   c  (e.g., a representation of waist  710   c ) of first representation  718 . In response to receiving information indicative of movement of body parts of first user  710 , second electronic device  704  is configured to display visual indication  720  and/or portions  720   b  and  720   c  of visual indication  720  to include an appearance (e.g., a shape) that is determined based on the information. 
     At  FIG.  7 C , second electronic device  704  receives information indicative of a change in position of one or more body parts of first user  710  within first physical environment  708 . For example, at  FIG.  7 C , first user has moved first hand  710   a  and second hand  710   b  to be positioned away from and above waist  710   c  of first user  710  (e.g., with respect to a ground of first physical environment  708 ). In addition, first user  710  has bent first leg  710   d  and second leg  710   e  to slightly crouch down (e.g., as compared to the position and/or posture of first user  710  shown in  FIG.  7 B ). Second electronic device  704  receives information indicative of movement of first hand  710   a , second hand  710   b , first leg  710   d , and second leg  710   e  and displays first representation  718  having the appearance shown in  FIG.  7 C . At  FIG.  7 C , first representation  718  includes first hand  718   a  and second hand  718   b  positioned away from and above waist  718   c . In addition, first representation  718  includes first leg  718   d  and second leg  718   e  as being bent and in a slightly crouching position. In some embodiments, second electronic device  704  does not display first leg  718   d  and/or second leg  718   e  of first representation  718 , but instead, displays visual indication  720  and/or second visual indication  724  to indicate first leg  718   d  and/or second leg  718   e . In addition, a position, orientation, and/or posture of first leg  718   d  and/or second leg  718   e  can be inferred based on a position, orientation, and/or posture of the remainder of first representation  718 . Accordingly, second electronic device  704  is configured to display first representation  718  to imitate movement of portions of the body of first user  710  even when first user  710  remains substantially stationary with respect to a ground of first physical environment  708  (e.g., first user  710  remains located at position  709   b ). 
     At  FIG.  7 C , second electronic device  704  also displays visual indication  720  to include an updated appearance based on the information indicative of movement of first hand  710   a , second hand  710   b , first leg  710   d , and second leg  710   e  of first user  710 . As shown at  FIG.  7 C , visual indication  720  includes third portion  720   d  to represent the change in position of first hand  710   a , which has moved away from and above waist  710   c . Third portion  720   d  includes an appearance and shape that reflect a shape and appearance of first hand  710   a  (and arm  710   h ). In addition, second electronic device  704  enlarges second portion  720   c  of visual representation  720  to indicate and/or infer that first leg  710   d  and second leg  710   e  are bent (e.g., when compared to second portion  720   b  shown in  FIG.  7 B  when first leg  710   d  and second leg  710   e  are substantially straight). 
     At  FIG.  7 C , second electronic device  704  also displays table  726  (e.g., a first object) and chair  728  (e.g., a second object) in extended reality environment  715 . In some embodiments, second electronic device  704  displays table  726  and chair  728  in response to receiving information indicating that first user  710  has approached (e.g., moved toward) physical objects within first physical environment  708 . In some embodiments, second electronic device  704  displays table  726  and chair  728  in response to one or more user inputs requesting that second electronic device  704  display one or more objects (e.g., virtual objects that are not based on physical objects in first physical environment  708 ) in extended reality environment  715 . In some embodiments, table  726  and/or chair  728  are representations (e.g., representations that are based on actual image and/or video data) of physical objects in first physical environment  708 . In some embodiments, table  726  and/or chair  728  are virtual representations (e.g., virtual representations that are not based on actual image and/or video data) of physical objects in first physical environment  708 . In some embodiments, table  726  and/or chair  728  are virtual objects that are not based on physical objects in first physical environment  708 , but instead only part of extended reality environment  715 . 
     At  FIG.  7 C , second electronic device  704  displays table  726  including visual indication  726   a  (e.g., a shadow) and chair  728  including visual indication  728   a  (e.g., a shadow). In some embodiments, second electronic device  704  does not display visual indication  726   a  and/or visual indication  728   a.    
     As set forth above, second electronic device  704  determines a shape and/or an appearance of visual indication  720  based on lighting of extended reality environment  715 , which can include a representation of physical lighting (e.g., a representation of light emitted from an actual light source located in first physical environment  708  and/or second physical environment  712 ) and/or virtual lighting (e.g., light that is not representative of light emitted from an actual light source located in first physical environment  708  and/or second physical environment  712 ). At  FIG.  7 C , extended reality environment  715  includes an indication of light  732 , which is directed from a light source at angle  734  with respect to ground  722  of extended reality environment  715 . Second electronic device  704  determines a shape and/or an appearance of visual indication  720 , visual indication  726   a , and/or visual indication  728   a  based on light  732  and/or angle  734  of light  732 . Thus, second electronic device  704  displays visual indication  720 , visual indication  726   a , and/or visual indication  728   a  to appear as shadows of first representation  718 , table  726 , and chair  728 , respectively, that are caused by and/or would be caused by light  732 . 
     At  FIG.  7 D , second electronic device  704  determines an angle at which light  732  is emitted from the light source in extended reality environment  715  has changed. As shown in  FIG.  7 D , light  732  is emitted at angle  736  with respect to ground  722  of extended reality environment  715 , and angle  736  is different from angle  734 . In some embodiments, second electronic device  704  determines that the angle has changed based on information received from first electronic device  700  indicative of light emitted by a physical light source within first physical environment  708 . In some embodiments, second electronic device  704  determines that the angle has changed based on the passage of time (e.g., second electronic device  704  displays light  732  as virtual light, which changes over time during the real-time communication session). 
     At  FIG.  7 D , second electronic device  704  adjusts an appearance of visual indication  720  based on the determination that the angle at which light  732  is emitted has changed (e.g., changed from angle  734  to angle  736 ). For instance, visual indication  720  includes a longer second portion  720   c  extending from first portion  720   b  based on a determination that angle  736  is less than angle  734  (e.g., with respect to ground  722  of extended reality environment  715 ). In addition, second electronic device  704  does not display third portion  720   d  of visual indication  720  because third portion  720   d  extends beyond a boundary (e.g., edge and/or frame) of third participant region  706   a . Second electronic device  704  also displays fourth portion  720   e  of visual indication  720  representative of second hand  718   b  of first representation  718  (and/or second hand  710   b  of first user  710 ). At  FIG.  7 C , second electronic device  704  does not display fourth portion  720   e  of visual indication  720  because fourth portion  720   e  is positioned behind first representation  718  and therefore is not visible within extended reality environment  715  (e.g., from a perspective of second user  714  viewing second electronic device  704 ). At  FIG.  7 D , second electronic device  704  displays fourth portion  720   e  of visual indication  720  based at least partially on the determination of angle  736 . Accordingly, second electronic device  704  is configured to adjust an appearance, shape, and/or position of visual indication  720  based on light  732  that is included and/or displayed in extended reality environment  715 . 
     At  FIG.  7 D , second electronic device  704  also adjusts an appearance of visual indication  726   a  of table  726  and visual indication  728   a  of chair  728  based on angle  736  of light  732 . Visual indication  726   a  extends further to the left of table  726  (e.g., with respect to ground  722  of extended reality environment  715 ) and visual indication  728   a  extends further to the left of chair  728  (e.g., with respect to ground  722  of extended reality environment  715 ). Thus, in some embodiments, second electronic device  704  also adjusts an appearance of visual indication  726   a  and visual indication  728   a  based on light  732  that is included and/or displayed in extended reality environment  715 . 
     Second electronic device  704  is also configured to adjust an appearance of visual indication  720  and/or display additional visual indications in response to receiving an indication that first user  710  interacts with one or more objects in first physical environment  708 . For instance, at  FIG.  7 E , second electronic device  704  receives an indication that first user  710  is in a sitting position (e.g., receives information from first electronic device  700  that is based on data captured via sensors  716   a  and/or  716   b ). In response to receiving the indication that first user  710  is in the sitting position, second electronic device  704  adjusts an appearance of visual indication  720  to include chair  738 , as shown at  FIG.  7 E . At  FIG.  7 E , visual indication  720  includes chair  738  and does not include shadow  720   a  displayed in  FIGS.  7 A- 7 D . In some embodiments, visual indication  720  includes both chair  738  and shadow  720   a.    
     In some embodiments, chair  738  includes a representation (e.g., a representation that is based on actual image and/or video data) of a physical chair and/or other object supporting first user  710  in the sitting position in first physical environment  708 . In some embodiments, chair  738  includes a virtual representation (e.g., a virtual representation that is not based on actual image and/or video data) of a physical chair and/or other object supporting first user  710  in the sitting position in first physical environment  708 . In some embodiments, chair  738  is a virtual object that is not based on a physical chair and/or other object supporting first user  710  in the sitting position in first physical environment  708 , but instead part of extended reality environment  715  and not part of physical environment  708 . In some embodiments, chair  738  is a parametric chair that second electronic device  704  displays as a two-dimensional virtual object having a chair-like appearance, where the parametric chair is not based on a physical chair and/or other object in first physical environment  708 . 
     At  FIG.  7 F , second electronic device  704  receives an indication that first user  710  has contacted (e.g., touched and/or picked up in second hand  710   b ) water bottle  740  (e.g., a physical water bottle) that is located in first physical environment  708  (e.g., receives information from first electronic device  700  that is based on data captured via sensors  716   a  and/or  716   b ). In response to receiving the indication that first user  710  has contacted (e.g., a body part of first user  710  is within a predetermined distance of) water bottle  740 , second electronic device  704  displays water bottle representation  742  corresponding to water bottle  740  in extended reality environment  715 . In some embodiments, water bottle representation  742  is based on actual image and/or video data of water bottle  740  in first physical environment  708 . In some embodiments, water bottle representation  742  is not based on actual image and/or video data of water bottle  740  in first physical environment  708 . In some embodiments, water bottle representation  742  is a virtual object that is not representative of water bottle  740  (e.g., water bottle representation  742  includes a cup instead of a water bottle). 
     In addition, second electronic device  704  displays visual indication  742   a  in extended reality environment  715  in response to receiving the indication that first user  710  has contacted water bottle  740 . At  FIG.  7 F , visual indication  742   a  includes highlighting and/or shadowing surrounding a perimeter of water bottle representation  742  indicating to second user  714  (e.g., the user viewing second electronic device  704 ) that first user  710  is contacting an object in first physical environment  708 . 
     At  FIG.  7 G , second electronic device  704  receives an indication that first user  710  has contacted (e.g., touched and/or placed first hand  710   a  on) table  744  (e.g., a physical table) that is located in first physical environment  708  (e.g., receives information from first electronic device  700  based on data captured via sensors  716   a  and/or  716   b ). In response to receiving the indication that first user  710  has contacted (e.g., a body part of first user  710  is within a predetermined distance of) table  744 , second electronic device  704  displays table  726  corresponding to table  744  in extended reality environment  715 . In some embodiments, table  726  is based on actual image and/or video data of table  744  in first physical environment  708 . In some embodiments, table  726  is not based on actual image and/or video data of table  744  in first physical environment  708 . In some embodiments, table  726  is a virtual object that is not representative of table  744  (e.g., table  726  includes a square surface instead of a round surface). 
     In addition, second electronic device  704  displays visual indication  726   b  in extended reality environment  715  in response to receiving the indication that first user  710  has contacted table  744 . At  FIG.  7 F , visual indication  726   b  includes highlighting and/or shadowing surrounding a portion of a surface of table  726  in which first representation  718  is contacting (e.g., first hand  718   a  is contacting), such that second electronic device  704  displays a visual indication to second user  714  (e.g., the user viewing second electronic device  704 ) that first user  710  is contacting an object in first physical environment  708 . 
     At  FIG.  7 H , first user  710  has returned to first position  709   a  within first physical environment  708  and second electronic device  704  displays first representation  718  and visual indication  720  based on information indicative of the current state of first user  710 , as discussed above. First electronic device  700  is also configured to adjust an appearance of second representation  730  of second user  714  within extended reality environment  715  displayed on second participant region  702   b  of first electronic device  700 . At  FIG.  7 H , first user  714  is at position  713   a  and is in a standing position, such that head  714   a  of first user  714  is at a first position  746   a  with respect to ground  712   a  of second physical environment  712 . In response to receiving information corresponding to a state of second user  714 , first electronic device  700  displays head  730   a  of second representation  730  at first position  748   a  with respect to ground  722  of extended reality environment  715  to reflect that second user  714  is in the standing position in second physical environment  712 . At  FIG.  7 H , first electronic device  700  displays second representation  730  of second user  714  having visual indication  754  (e.g., a shadow). In response to receiving an information indicating that a state of second user  714  has changed within second physical environment  712 , first electronic device  700  adjust an appearance of second representation  730  and/or visual indication  754  displayed in extended reality environment  715 . 
     At  FIG.  7 I , first electronic device  700  receives an information indicating that second user  714  has moved from the standing position to a lunging position. For instance, first user  714  is in the lunging position and is crouched down and/or closer to ground  712   a  of second physical environment  712  as compared to the standing position. As such, head  714   a  of first user  714  is at second position  746   b  with respect to ground  712   a  of second physical environment  712 . In addition, first hand  714   b  and second hand  714   c  of second user  714  are lifted and spread apart from waist  714   d  of second user  714 . First leg  714   e  of second user  714  is also bent and second leg  714   f  of second user  714  is extended away from waist  714   d  to form the lunging pose. 
     In response to receiving the information indicating that second user  714  has moved from the standing position to the lunging position, first electronic device  700  adjusts an appearance of second representation  730  in extended reality environment  715 . At  FIG.  7 I , second representation  730  includes head  730   b  at second position  748   b  with respect to ground  722  of extended reality environment  715 , where second position  748   b  is lower than first position  748   a  with respect to ground  722  to reflect that second user  714  is in the lunging position. In addition, first hand  730   b  and second hand  730   c  are lifted and spread apart from waist  730   d  of second representation  730 . In some embodiments, first electronic device  700  receives information that is based on direct data corresponding to a state of head  714   a , first arm  714   b , second arm  714   c , and/or waist  714   d  of second user  714 . Accordingly, first electronic device  700  displays second representation  730  with head  730   a , first hand  730   b , second hand  730   c , and waist  730   d  in positions within extended reality environment  715  that imitate the positions of head  714   a , first hand  714   b , second hand  714   c , and waist  714   d  of second user  714  within second physical environment  712 . 
     In addition, first electronic device  700  adjusts an appearance of visual indication  754  to include first foot representation  754   a  and second foot representation  754   b , as shown at  FIG.  7 I . In some embodiments, first electronic device  700  receives information that is based on indirect data corresponding to a state of first leg  714   e  (e.g., including first foot  714   g ) and second leg  714   f  (e.g., including second foot  714   h ) of second user  714 . In some embodiments, when first electronic device  700  receives information that is based on indirect data corresponding to the state of first leg  714   e  and second leg  714   f , first electronic device  700  is configured to estimate positions of first foot representation  754   a  and second foot representation  754   b  within extended reality environment  715  based at least partially on the information. In some embodiments, second electronic device  704  receives the indirect data corresponding to the state of first leg  714   e  and second leg  714   f  (e.g., via sensor  716   c ), estimates positions of first foot representation  754   a  and second foot representation  754   b  within extended reality environment  715 , and directs (e.g., transmits) information based on the indirect data to first electronic device  700  (e.g., the information includes the estimated positions of first foot representation  754   a  and second foot representation  754   b ). At  FIG.  7 I , first electronic device  700  displays first foot representation  754   a  and second foot representation  754   b  at respective positions in extended reality environment  715  that are not identical to actual positions of first foot  714   g  and second foot  714   h  of second user  714  within second physical environment  712 . However, the estimated positions of first foot representation  754   a  and second foot representation  754   b  are configured to provide first user  710  (e.g., the user viewing and/or using first electronic device  700 ) with an indication of the movement of second user  714  between the standing position and the lunging position. 
     Additional descriptions regarding  FIGS.  7 A- 7 I  are provided below in reference to method  800  described with respect to  FIGS.  7 A- 7 I . 
       FIG.  8    is a flow diagram of an exemplary method  800  for displaying a visual indication of a portion of a user, in accordance with some embodiments. In some embodiments, method  800  is performed at a computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) including a display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ) (e.g., visual output device, a 3D display, a display having at least a portion that is transparent or translucent on which images can be projected (e.g., a see-through display), a projector, a heads-up display, and/or a display controller) and an external computer system that is associated with a first user (e.g.,  101 ,  700 ,  704 , and/or  944 ) (e.g., that is being operated by the first user (e.g., a user that is in a communication session (e.g., an extended reality and/or video conference) with the user of the computer system). In some embodiments, the method  800  is governed by instructions that are stored in a non-transitory (or transitory) computer-readable storage medium and that are executed by one or more processors of a computer system, such as the one or more processors  202  of computer system  101  (e.g., control  110  in  FIG.  1   ). Some operations in method  800  are, optionally, combined and/or the order of some operations is, optionally, changed. 
     As described below, method  800  provides an intuitive way for displaying a visual indication of a portion of a user. The method reduces the cognitive burden on a user for participating in a real-time communication session, thereby creating a more efficient human-machine interface. For battery-operated computing devices, enabling a user communicate with another participant of the real-time communication session faster and more efficiently conserves power and increases the time between battery charges. 
     In response to receiving a request to display a representation (e.g.,  718  and/or  730 ) (e.g., an avatar and/or a virtual representation of at least a portion of the first user)) of the first user (e.g.,  710  and/or  714 ) (e.g., a user of the external computer system) in an extended reality environment ( 802 ) (e.g.,  715 ) (e.g., a wholly or partially simulated environment that people sense and/or interact with via an electronic system, where a subset of a person&#39;s physical motions, or representations thereof, are tracked, and, in response, one or more characteristics of one or more virtual objects simulated in the extend reality environment are adjusted in a manner that comports with at least one law of physics) (in some embodiments, the virtual avatar is displayed, in an extended reality environment, in lieu of the first user), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays ( 804 ) in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the representation (e.g.,  718  and/or  730 ) (e.g., an avatar; a virtual avatar (e.g., the avatar is a virtual representation of at least a portion of the first user)) of the first user (e.g.,  710  and/or  714 ) (e.g., a user in a physical environment). 
     The representation of the first user includes (in some embodiments, the virtual avatar is displayed, in an extended reality environment, in lieu of the first user) a visual indication ( 806 ) (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) (e.g., a visual indication of at least one body part of the first user that is not an anatomically accurate representation of the at least one body part of the first user) of a portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) (e.g., body parts of the first user that are below a waistline and/or other portion of the body of the first user and/or body parts of the first user that are not directly tracked and/or detected by the external computer system and/or the computer system) in the extended reality environment (e.g.,  715 ). 
     The visual indication ( 808 ) (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) has an appearance that is determined based at least in part on (e.g., displayed on, overlaid on, occluded by, moving with respect to, and/or changing size and/or appearance with respect to) one or more objects (e.g.,  722 ,  726 , and/or  728 ) (e.g., virtual objects or representations of physical objects) (e.g., visual representations of surfaces, objects, avatars and/or representations of entities, and/or furniture) in the extended reality environment (e.g.,  715 ) (e.g., the visual indication of the portion of the body moves, changes shape, changes position, changes size, changes in color, changes in brightness, changes in an amount of blur, and/or changes in orientation with respect to at least one visual element (e.g., a floor, a surface, a wall, a ceiling, and/or an object) included and/or displayed within the extended reality environment based on movement of the first user, movement of the computer system and/or the display generation component, and/or changes in the extended reality environment). 
     The visual indication ( 810 ) (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) represents an estimated state (e.g., position, orientation, and/or pose) of the portion (e.g.,  711   b ) of the body that is estimated based on indirect information about a state of the portion (e.g.,  711   b ) of the body when direct information about the state of the portion (e.g.,  711   b ) of the body is not available to the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) (e.g., a position with respect to a second portion of the body of the first user, a position with respect to the extended reality environment, and/or a position with respect to a physical environment surrounding the first user). In some embodiments, the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) includes an obscured representation of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ), where the obscured representation is not an anatomically accurate depiction of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ). In some embodiments, the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the user (e.g.,  710  and/or  714 ) is a shadow (e.g.,  720   a ) and/or a blurred visual element that is displayed in the extended reality environment (e.g.,  715 ) and that represents the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ). In some embodiments, the portion (e.g.,  711   b ) of the body of the first user includes at least a lower portion (e.g.,  711   b ) of the body of the first user, such as body parts below a waistline (e.g.,  710   c ) of the first user (e.g.,  710  and/or  714 ) (e.g., legs, knees, ankles, feet, and/or hips). In some embodiments, the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) includes body parts of the first user that are below a predetermined distance from a surface (e.g.,  722 ) (e.g., a floor) of the extended reality environment (e.g.,  715 ). 
     In some embodiments, the representation (e.g.,  718  and/or  730 ) of the first user also includes a visual representation (e.g., a virtual representation of at least one body part of the first user, such as a head, face, shoulders, hands, arms, and/or torso) of a second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ), where the visual representation of the second portion of the body of the first user is generated based on data indicative of a position of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ) (e.g., with respect to the external computer system and/or with respect to the computer system). In some embodiments, the external computer system (e.g.,  700  and/or  704 ) includes one or more sensors (e.g.,  716   a - 716   c ) configured to detect and/or track one or more body parts of the first user (e.g.,  710  and/or  714 ). The external computer system (e.g.,  700  and/or  704 ) generates and/or collects the data indicative of the position of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ) and transmits (e.g., directly and/or indirectly via another external computer system, such as a server) the data to the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ), such that the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) generates the visual representation of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ) based on the data. In some embodiments, the visual representation of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ) includes a virtual representation of physical features of the first user (e.g.,  710  and/or  714 ), such as facial features, head features, upper body features, clothing, and/or sizes of various body parts of the first user (e.g.,  710  and/or  714 ). In some embodiments, the visual representation of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ) is configured to move as the first user (e.g.,  710  and/or  714 ) moves one or more body parts included in the second portion (e.g.,  711   a ) of the body (e.g., head, shoulders, arms, and/or hands). In some embodiments, the visual representation of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ) is an anatomically accurate representation and/or depiction of body parts of the second portion (e.g.,  711   a ) of the body of the first user (e.g.,  710  and/or  714 ). 
     In some embodiments, while displaying the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) including the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) and in accordance with a determination that a set of criteria is satisfied (e.g., the set of criteria includes detecting movement of the first user (e.g., one or more sensors of the external computer system and/or one or more sensors of the computer system detect movement of the portion of the body of the first user and/or a different portion of the body of the first user), detecting movement of the computer system and/or the display generation component causing a change of position of the first user on the display generation component (e.g., a second user of the computer system adjusts a position of the display generation component (e.g., moves and/or tilts the display generation component) causing a position of the first user to be adjusted with respect to the display generation component), and/or detecting a change in one or more characteristics of the extended reality environment (e.g., a change in lighting in a physical environment of the computer system and/or the external computer system, a change in lighting of a virtual environment, and/or the extended reality environment transitioning between an AR environment and a VR environment)), the computer system (e.g.,  101 ,  700 ,  704  and/or  944 ) displays, via the display generation component, movement of the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) in the extended reality environment (e.g.,  715 ). In some embodiments, movement of the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) in the extended reality environment (e.g.,  715 ) includes a transition from displaying the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) at a first position (e.g.,  719   a ) in the extended reality environment (e.g.,  715 ) (e.g., a first position with respect to one or more visual elements of the extended reality environment) to displaying the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) at a second position (e.g.,  719   b ) in the extended reality environment (e.g.,  715 ) (e.g., a second position with respect to one or more visual elements of the extended reality environment). 
     Displaying the visual indication of the portion of the body of the first user that represents an estimated state of the portion of the body of the first user enables the computer system to provide a more complete state of the body of the first user even when direct information about the portion of the body is not available, which provides improved visual feedback. 
     In some embodiments, the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) further includes a second visual indication (e.g.,  724 ) (e.g., a second visual indication that is distinct from the visual indication and/or the second visual indication applies a first visual effect (e.g., an amount of blur) to a first portion of the representation and the visual indication applies a second visual effect (e.g., a shadow) to a second portion of the representation) of a second portion (e.g.,  710   d  and/or  710   e ) of the body of the first user (e.g.,  710  and/or  714 ) (e.g., a second portion of the body that is the same as the portion of the body, a second portion of the body that is at least partially distinct from the portion of the body, and/or a second portion of the body that is fully distinct from the portion of the body), and the second visual indication (e.g.,  724 ) of the second portion (e.g.,  710   d  and/or  710   e ) of the body of the first user (e.g.,  710  and/or  714 ) includes a blurred extension of the second portion (e.g.,  710   d  and/or  710   e ) of the body of the first user (e.g.,  710  and/or  714 ) (e.g., an amount of blur is applied to the representation so that the second portion of the body of the first user appears obscured as compared to a third portion of the body of the first user). In some embodiments, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) does not receive direct information about a state of the second portion (e.g.,  710   d  and/or  710   e ) of the body of the first user (e.g.,  710  and/or  714 ), such that the second visual indication (e.g.,  724 ) includes an estimated state of the second portion (e.g.,  710   d  and/or  710   e ) of the body of the first user (e.g.,  710  and/or  714 ). 
     Displaying the second visual indication of the second portion of the body of the first user enables the computer system to provide a more complete state of the body of the first user, which provides improved visual feedback. 
     In some embodiments, the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) includes a shadow (e.g.,  720   a ) (e.g., a projection within the extended reality environment that visually indicates a state of at least the portion of the body of the first user). 
     Displaying the visual indication of the portion of the body of the first user as including a shadow enables the computer system to provide a more complete state of the body of the first user in a familiar manner, which provides improved visual feedback. 
     In some embodiments, the shadow (e.g.,  720   a ) represents a portion of the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) that is displayed at a visual fidelity (e.g., precision and/or accuracy of information received by the computer system to generate the representation) below a visual fidelity threshold amount (e.g., the shadow represents a portion of the first user for which the computer system does not have sufficient data to generate an accurate representation of the portion of the first user with more than a threshold amount of precision and/or accuracy of data received by the computer system). In some embodiments a second portion of the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) that is displayed at a visual fidelity above the visual fidelity threshold amount is not represented by the shadow (e.g.,  720   a ). 
     Displaying the shadow to represent a portion of the representation of the first user that is displayed at a visual fidelity below a visual fidelity threshold amount enables the computer system to provide a more complete state of the body of the first user despite the portion of the representation of the user being displayed with less clarity, which provides improved visual feedback. 
     In some embodiments, the shadow (e.g.,  720   a ) represents a portion of the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) that is not currently displayed via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ) of the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) (e.g., a portion of the body of the first user that is not included and/or otherwise indicated by the representation). In some embodiments, the portion of the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) that is not currently displayed includes a leg (e.g.,  710   d  and/or  710   e ) of the user (e.g.,  710  and/or  714 ) and the shadow (e.g.,  720   a ) is optionally displayed to approximate and/or estimate a shadow that would result if the leg (e.g.,  710   d  and/or  710   e ) of the user were included and displayed in the extended reality environment (e.g.,  715 ). 
     Displaying the shadow to represent a portion of the representation of the first user that is not currently displayed enables the computer system to provide a more complete state of the body of the first user despite the portion of the representation of the user not being displayed, which provides improved visual feedback. 
     In some embodiments, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the shadow (e.g.,  720   a ) at a first position (e.g., a position of shadow  720   a  shown at  FIG.  7 A ) with respect to the one or more objects (e.g.,  722 ) in the extended reality environment (e.g.,  715 ) (e.g., a first position causing the shadow to have a first shape when the shadow is displayed on and/or with respect to the one or more objects in the extended reality environment). In response to detecting movement of the first user (e.g.,  710  and/or  714 ) (e.g., detecting movement via one or more sensors in communication with the computer system), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the shadow (e.g.,  720   a ) at a second position (e.g., a position of shadow  720   a  shown at  FIG.  7 B ), different from the first position, with respect to the one or more objects (e.g.,  722 ) in the extended reality environment (e.g.,  715 ) (e.g., a second position causing the shadow to have a second shape when the shadow is displayed on and/or with respect to the one or more objects in the extended reality environment). In some embodiments, displaying the shadow (e.g.,  720   a ) at the second position includes displaying the shadow (e.g.,  720   a ) having an appearance and/or location in the extended reality environment (e.g.,  715 ) that are based on the movement of the user (e.g.,  710  and/or  714 ) and/or a position of the user (e.g.,  710  and/or  714 ) in a physical environment (e.g.,  708  and/or  712 ) (e.g., a position of the user in the physical environment after the movement). 
     Displaying the shadow at the second position in response to detecting movement of the first user provides improved visual feedback about the state of the body of the first user when the first user moves in a physical environment, which provides improved visual feedback. 
     In some embodiments, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the shadow (e.g.,  720   a ) having a first shape (e.g., a shape of shadow  720   a  shown at  FIG.  7 A ) in the extended reality environment (e.g.,  715 ) (e.g., the computer system determines the first shape based at least partially on information indicating a state of one or more body parts of the first user). In response to detecting a change in position of the first user (e.g.,  710  and/or  714 ) (e.g., detecting a change in position of at least one body part of the first user via one or more sensors in communication with the computer system), the computer system displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the shadow (e.g.,  720   a ) having a second shape (e.g., a shape of shadow show at  FIG.  7 B ), different from the first shape, in the extended reality environment (e.g.,  715 ) (e.g., the computer system determines the second shape based at least partially on information indicating a state (e.g., change in position of the first user) of one or more body parts of the first user). 
     Displaying the shadow as having the second shape in response to detecting a change in position of the first user provides improved visual feedback about the state of the body of the first user when the first user changes positions in a physical environment, which provides improved visual feedback. 
     In some embodiments, the extended reality environment (e.g.,  715 ) includes a representation of a ground (e.g.,  722 ) of a physical environment (e.g.,  708  and/or  712 ) of the first user (e.g.,  710  and/or  714 ) (e.g., the computer system displays the extended reality environment with a representation of a physical ground and/or floor included within a physical environment in which the first user is located), and the shadow (e.g.,  720   a ) is displayed on the ground (e.g.,  722 ) of the physical environment (e.g.,  708  and/or  712 ) (e.g., at least partially displayed on, such as overlaid on, the first ground). 
     Displaying the shadow on the ground of the physical environment provides improved visual feedback about the state of the body of the first user with respect to the physical environment, which provides improved visual feedback. 
     In some embodiments, the extended reality environment (e.g.,  715 ) includes a representation of a ground (e.g.,  722 ) of a virtual environment (e.g., the computer system displays the extended reality environment with a representation of a virtual ground that is not a representation and/or depiction of a physical ground in a physical environment in which the first user and/or another user is located), and the shadow (e.g.,  720   a ) is displayed on the ground (e.g.,  722 ) of the virtual environment (e.g., at least partially displayed on, such as overlaid on, the second ground). 
     Displaying the shadow on the ground of the virtual environment provides improved visual feedback about the state of the body of the first user with respect to the extended reality environment, which provides improved visual feedback. 
     In some embodiments, the extended reality environment (e.g.,  715 ) includes a representation of lighting (e.g.,  732 ) from a light source that is illuminating at least a portion of a physical environment (e.g.,  708  and/or  712 ) that corresponds to the extended reality environment (e.g.,  715 ) (e.g., the computer system displays the extended reality environment with a representation of actual lighting from an actual light source (e.g., a lamp, a light bulb, and/or the sun) that is within a physical environment in which the first user is located), and the shadow (e.g.,  720   a ) has an appearance that is determined based at least in part on the lighting (e.g.,  732 ) from the light source that is illuminating the portion of the physical environment (e.g.,  708  and/or  712 ) (e.g., the computer system determines a shape, size, and/or other appearance of the shadow based at least partially on a direction and/or an angle at which light is emitted via the actual light source in the physical environment in which the first user is located). 
     Displaying the shadow as having an appearance that is determined based at least in part on the lighting from the light source that is illuminating the portion of the physical environment enables the computer system to provide a more complete state of the body of the first user in a familiar manner, which provides improved visual feedback. 
     In some embodiments, the extended reality environment (e.g.,  715 ) includes a representation of virtual light (e.g.,  732 ) that is illuminating at least a portion of the extended reality environment (e.g.,  715 ) (e.g., the computer system displays the extended reality environment with a representation of virtual lighting from a virtual light source (e.g., a lamp, a light bulb, and/or the sun) that is not within a physical environment in which the first user and/or another user is located), and the shadow (e.g.,  720   a ) has an appearance that is determined based at least in part on the representation of the virtual light (e.g.,  732 ) that is illuminating the portion of the extended reality environment (e.g.,  715 ) (e.g., the computer system determines a shape, size, and/or other appearance of the shadow based at least partially on a direction and/or an angle at which light is emitted via the virtual light source). 
     Displaying the shadow as having an appearance that is determined based at least in part on the representation of the virtual light that is illuminating the portion of the extended reality environment enables the computer system to provide a more complete state of the body of the first user in a familiar manner, which provides improved visual feedback. 
     In some embodiments, the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) includes a third visual indication (e.g.,  754   a  and/or  754   b ) of a foot (e.g.,  714   g  and/or  714   h ) of the body of the first user (e.g.,  710  and/or  714 ) (e.g., a representation of a foot and/or a shoe that is not an anatomically accurate representation of a foot of the first user). While displaying the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) at a third position (e.g.,  748   a ) in the extended reality environment (e.g.,  715 ) (e.g., a third position that is determined based at least partially on information indicative of a state of the first user), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the third visual indication (e.g.,  754   a  and/or  754   b ) of the foot (e.g.,  714   g  and/or  714   h ) of the body of the first user (e.g.,  710  and/or  714 ) at a fourth position (e.g., a position of representation  730  shown at  FIG.  7 H ) in the extended reality environment (e.g., the fourth position of the third visual indication of the foot is determined based at least partially on a state of a physical foot of the first user and/or on a state of another portion of the body of the first user without being based on the state of the physical foot of the first user). In response to detecting movement of the first user (e.g.,  710  and/or  714 ) (e.g., detecting upward and/or downward movement of at least one body part (e.g., the head, the eyes, and/or the shoulders) of the first user via one or more sensors in communication with the computer system), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ) at a fifth position (e.g.,  748   b ) in the extended reality environment (e.g.,  715 ) (e.g., a fifth position that is determined based at least partially on information indicative of a state of the first user), where the fifth position is determined based at least in part on the movement of the first user (e.g.,  710  and/or  714 ), and where the fifth position (e.g.,  748   b ) is above or below the third position (e.g.,  748   a ) (e.g., with respect to the one or more objects in the extended reality environment). In response to detecting movement of the first user (e.g.,  710  and/or  714 ) (e.g., detecting upward and/or downward movement of at least one body part (e.g., the head, the eyes, and/or the shoulders) of the first user via one or more sensors in communication with the computer system), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays in the extended reality environment (e.g.,  715 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the third visual indication (e.g.,  754   a  and/or  754   b ) of the foot (e.g.,  714   g  and/or  714   h ) of the body of the first user (e.g.,  710  and/or  714 ) at a sixth position (e.g., a position of representation  730  shown at  FIG.  7 I ) in the extended reality environment (e.g.,  715 ) (e.g., the sixth position of the third visual indication of the foot is determined based at least partially on the detected movement of the first user, a state of a physical foot of the first user, and/or a state of another portion of the body of the first user without being based on the state of the physical foot of the first user). 
     Displaying the third visual indication of the foot of the body of the first user at the sixth position in response to detecting movement of the first user provides improved visual feedback about a state of the body of the first user as the first user moves within a physical environment, which provides improved visual feedback. 
     In some embodiments, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays, in the extended reality environment (e.g.,  715 ), the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ), which includes: in accordance with a determination that a set of one or more criteria is met (e.g., the first user is determined to be in a sitting position and/or at least one body part of the first user is determined to be touching and/or in contact with a piece of furniture (e.g., a chair, a table, and/or a desk)), the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) includes a piece of furniture (e.g.,  738 ) (e.g., a representation of a piece of furniture positioned in a physical environment in which the first user is located and/or a virtual piece of furniture that is not based on a physical piece of furniture in the physical environment in which the first user is located) in the extended reality environment (e.g.,  715 ) (e.g., displaying the visual indication of the portion of the body of the first user including the piece of furniture includes displaying the piece of furniture having a position and/or orientation based on the position and/or orientation of the representation of the first user in the extended reality environment), and in accordance with a determination that the set of one or more criteria is not met (e.g., the first user is determined to not be in a sitting position and/or at least one body part of the first user is not determined to be touching and/or in contact with a piece of furniture (e.g., a chair, a table, and/or a desk)), the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the portion (e.g.,  711   b ) of the body of the first user (e.g.,  710  and/or  714 ) is without the piece of furniture (e.g.,  738 ) in the extended reality environment (e.g.,  715 ) (e.g., maintaining displaying the representation of the first user with the visual indication). 
     Displaying the visual indication as including a piece of furniture in accordance with the determination that the set of one or more criteria is met provides improved visual feedback when the first user is in a sitting position, which provides improved visual feedback. 
     In some embodiments, the set of one or more criteria includes a criterion that is met when the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) receives an indication that the first user (e.g.,  710  and/or  714 ) is in a sitting position (e.g., the computer system detects and/or receives an indication that one or more portions of the body of the first user (e.g., legs, knees, feet, and/or torso) is in a position indicative of the first user sitting down), and the piece of furniture (e.g.,  738 ) in the extended reality is a representation of a chair (e.g.,  738 ) (e.g., a representation of a chair positioned in a physical environment in which the first user is located (e.g., the representation of the chair includes an appearance resembling the chair in the physical environment) and/or a virtual chair having an appearance that is not based on a physical piece of furniture in the physical environment in which the first user is located). 
     Displaying the visual indication as including a representation of a chair when the computer system receives an indication that the first user is in a sitting position provides improved visual feedback when the first user is in a sitting position, which provides improved visual feedback. 
     In some embodiments, the representation of the chair (e.g.,  738 ) includes a parametric chair (e.g., a two-dimensional virtual object that includes a chair-like appearance and is positioned beneath the first user with respect to a ground of the extended reality environment to indicate that the parametric chair is supporting the first user in the sitting position) having an appearance that has one or more properties (e.g., color, number of legs, simulated material, and/or shape) that are independent of (e.g., is not determined based on) a physical object supporting the first user (e.g.,  710  and/or  714 ) in the sitting position in a physical environment (e.g.,  708  and/or  712 ) in which the first user (e.g.,  710  and/or  714 ) is located (e.g., the appearance of the parametric chair is not determined based on actual image data of a chair and/or other object on which the first user is sitting). 
     Displaying the representation of the chair to include a parametric chair provides improved visual feedback as to a state of the body of the first user in a familiar manner, which provides improved visual feedback. 
     In some embodiments, while the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays, in the extended reality environment (e.g.,  715 ), the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) detects that the first user (e.g.,  710  and/or  714 ) is touching a surface of an object (e.g.,  744 ) in a physical environment (e.g.,  708  and/or  712 ) in which the first user (e.g.,  710  and/or  714 ) is located (e.g., detecting that at least one portion of the body of the first user (e.g., hands) is within a predetermined distance (e.g., less than 5 centimeters (cm), less than 3 cm, less than 2 cm, or less than 1 cm) of a physical surface in a physical environment in which the user is located). In response to detecting that the first user (e.g.,  710  and/or  714 ) is touching the surface of the object (e.g.,  744 ) in the physical environment (e.g.,  708  and/or  712 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays (e.g., concurrently with the representation of the first user) a representation of the surface (e.g.,  726  and/or  726   b ) (e.g., a representation of a surface positioned in the physical environment in which the first user is located (e.g., the representation of the surface includes an appearance that is based on the surface positioned in the physical environment) and/or a virtual surface having an appearance that is not based on a physical surface in the physical environment in which the first user is located) in the extended reality environment (e.g.,  715 ). 
     Displaying the representation of the surface in response to detecting that the first user is touching the surface of the object provides improved visual feedback when the first user contacts a surface in a physical environment, which provides improved visual feedback. 
     In some embodiments, while the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays, in the extended reality environment (e.g.,  715 ), the representation (e.g.,  718  and/or  730 ) of the first user (e.g.,  710  and/or  714 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) detects that the first user (e.g.,  710  and/or  714 ) is touching an object (e.g.,  740 ) in a physical environment (e.g.,  708  and/or  712 ) in which the first user (e.g.,  710  and/or  714 ) is located (e.g., detecting that at least one portion of the body of the first user (e.g., hands) is within a predetermined distance (e.g., less than 5 centimeters (cm), less than 3 cm, less than 2 cm, or less than 1 cm) of a physical object in a physical environment in which the user is located). In response to detecting that the first user (e.g.,  710  and/or  714 ) is touching the object (e.g.,  740 ) in the physical environment (e.g.,  708  and/or  712 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays (e.g., concurrently with the representation of the first user) a representation of the object (e.g.,  742  and/or  742   b ) (e.g., a representation of an object positioned in a physical environment in which the first user is located (e.g., the representation of the object includes an appearance that is based on the object positioned in the physical environment) and/or a virtual object having an appearance that is not based on a physical object in the physical environment in which the first user is located) in the extended reality environment (e.g.,  715 ). 
     Displaying the representation of the object in response to detecting that the first user is touching the object provides improved visual feedback when the first user contacts an object in a physical environment, which provides improved visual feedback. 
     In some embodiments, while the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the first user (e.g.,  710  and/or  714 ) at a seventh position (e.g., a position of visual indication  720  shown at  FIG.  7 A ) with respect to the one or more objects (e.g.,  722 ) in the extended in reality environment (e.g.,  715 ) (e.g., the computer system determines the seventh position based at least partially on information indicating a state of the portion of the body of the first user), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) detects movement of a second portion of the body of first user (e.g.,  710  and/or  714 ) (e.g., detecting movement of a second portion of the body of the first user (e.g., the portion and/or a different portion of the body of the first user) via one or more sensors in communication with the computer system) In response to detecting movement of the second portion of the body the first user (e.g.,  710  and/or  714 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays the visual indication (e.g.,  720 ,  726   b ,  738 ,  742   a ,  754 ,  754   a , and/or  754   b ) of the first user (e.g.,  710  and/or  714 ) at an eighth position (e.g., a position of visual indication  720  shown at  FIG.  7 B ), different from the seventh position, with respect to the one or more objects (e.g.,  722 ) in the extended reality environment (e.g.,  715 ) (e.g., an eighth position that causes the visual indication to change appearance with respect to the one or more objects in the extended reality environment as a result of the movement of the portion of the body of the first user). 
     Displaying the visual indication at the eighth position in response to detecting movement of the first user provides improved visual feedback about the state of the body of the first user when the first user moves in a physical environment, which provides improved visual feedback. 
     In some embodiments, aspects/operations of methods  800  and  1000  may be interchanged, substituted, and/or added between these methods. For example, the representations displayed by the computer systems performing method  1000  can include the visual indication of the portion of the body of the first user. For brevity, these details are not repeated here. 
       FIGS.  9 A- 9 H  illustrate examples of displaying representations of different portions of a user with different amounts of visual fidelity.  FIG.  10    is a flow diagram of an exemplary method  1000  for displaying representations of different portions of a user with different amounts of visual fidelity. The user interfaces in  FIGS.  9 A- 9 H  are used to illustrate the processes described below, including the processes in  FIG.  10   . 
       FIGS.  9 A- 9 H  illustrate examples of electronic device  944  displaying a representation of one or more portions of a body of user  900  with different appearances based on a position and/or location of the one or more portions of the body of the user  900  with respect to one or more regions that are defined with respect to the body of user  900 . When a portion of a body (e.g., one or more body parts and/or one or more particular body parts) of user  900  is positioned in a region (e.g., a region corresponding to the portion of the body of user  900 ), electronic device  944  displays a representation of user  900  having a first appearance. For instance, electronic device  944  displays a portion of the representation corresponding to the portion of the body of user  900  with a reduced amount of visual fidelity (e.g., less precision, less clarity, less visibility, and/or an increased amount of blurring) based on the portion of the body of user  900  being positioned within the region. When the portion of the body of user  900  is positioned outside of the region, electronic device  944  displays the representation of user  900  having a second appearance (e.g., an increased amount of visual fidelity and/or a reduced amount of blurring), different from the first appearance. 
       FIGS.  9 A and  9 B  illustrate examples of first region  902  and second region  904 , respectively, within physical environment  901  and as defined with respect to the body of user  900 . Electronic device  944  associates first region  902  with hand  900   b  and/or hand  900   c  of user  900 . For instance, electronic device  944  receives information indicative of a state (e.g., position, orientation, shape, and/or pose) of hand  900   b  and/or hand  900   c  of user  900  within physical environment  901 . In some embodiments, the information indicative of the state of hand  900   b  and/or hand  900   c  indicates whether hand  900   b  and/or hand  900   c  is positioned within first region  902 . Electronic device  944  displays a representation of hand  900   b  and/or hand  900   c  having a first appearance, such as a first amount of visual fidelity (e.g., a reduced amount of visual fidelity (e.g., less precision and/or less clarity) and/or an increased amount of blur), based on the information indicating that hand  900   b  and/or hand  900   c  is within first region  902 . Electronic device  944  displays the representation of hand  900   b  and/or hand  900   c  having a second appearance, such as a second amount of visual fidelity (e.g., an increased amount of visual fidelity (e.g., more precision and/or more clarity) when compared to the first amount of visual fidelity and/or a reduced amount of blur), based on the information indicating that hand  900   b  and/or hand  900   c  is positioned outside of first region  902 . 
     Similarly, electronic device  944  associates second region  904  with elbow  900   g  and/or elbow  900   h  of user  900 . For instance, electronic device  944  receives information indicative of a state (e.g., position, orientation, shape, and/or pose) of elbow  900   h  and/or elbow  900   h  of user  900  within physical environment  901 . In some embodiments, the information indicative of the state of elbow  900   h  and/or elbow  900   h  indicates whether elbow  900   h  and/or elbow  900   h  is positioned within second region  904 . Electronic device  944  displays a representation of elbow  900   h  and/or elbow  900   h  having a first appearance, such as a first amount of visual fidelity (e.g., a reduced amount of visual fidelity (e.g., less precision and/or less clarity) and/or an increased amount of blur), based on the information indicating that elbow  900   h  and/or elbow  900   h  is positioned within second region  904 . Electronic device  944  displays the representation of elbow  900   h  and/or elbow  900   h  having a second appearance, such as a second amount of visual fidelity (e.g., an increased amount of visual fidelity (e.g., more precision and/or more clarity) when compared to the first amount of visual fidelity and/or a reduced amount of blur), based on the information indicating that elbow  900   h  and/or elbow  900   h  is positioned outside of second region  904 . 
     In some embodiments, electronic device  944  does not display representations of other body parts other than hand  900   b  and/or hand  900   b  with the first appearance based on the other body parts being within first region  902 . Similarly, in some embodiments, electronic device  944  does not display representations of other body other than elbow  900   g  and/or elbow  900   h  with the first appearance based on the other body parts being within second region  904 . As such, electronic device  944  does not adjust an appearance of and/or otherwise display a different appearance of a representation of body parts that do not correspond to first region  902  and second region  904 . 
     At  FIG.  9 A , first perspective  906  of user  900  includes a side view of the body of user  900  and first region  902 , which is illustrated, for example, as a box that extends depth  902   a  and height  902   b  with respect to the body of the user  900  (e.g., waist  900   a  of user  900 ). In particular, depth  902   a  extends from first position  908   a  to second position  908   b  through waist  900   a  of user  900 , where first position  908   a  and second position  908   b  are not located on the physical body of user  900  (e.g., first position  908   a  and second position  908   b  are located in areas of physical environment  901  that are determined based on a position of the body (e.g., waist  900   a ) of user  900 ). In addition, height  902   b  extends from third position  908   c  to fourth position  908   d . In some embodiments, height  902   b  includes a distance that is determined based on height  910  of user  900  and/or size  912  of hand  900   b  of user  900 . In some embodiments, depth  902   a  includes a distance that is determined based on width  914  of user  900  (e.g., a width of waist  900   a  of user  900 ). In some embodiments, a position and/or location of first region  902  with respect to the body of first user  900  is determined based on a location of a pocket and/or other feature of an article of clothing in which user  900  is wearing, such that when hand  900   b  and/or hand  900   c  are near the pocket and/or other feature, hand  900   b  and/or hand  900   c  are within first region  902 . 
     At  FIG.  9 A , second perspective  916  of user  900  includes a front facing view of user  900  and first region  902  is illustrated, for example, as a box that extends height  902   b  and length  902   c . Length  902   c  extends from fifth position  908   e  to sixth position  908   f  through hand  900   b , waist  900   a , and hand  900   c  of user  900 . In some embodiments, length  902   c  includes a distance that is equal to depth  902   a . In some embodiments, length  902   c  includes a distance that is determined based on width  918  of user  900  (e.g., width  918  is a distance between hand  900   b  and hand  900   c  when hand  900   b  and hand  900   c  are placed at the sides of user  900  and/or a distance between shoulder  900   d  and shoulder  900   e  of user  900 ). As shown at  FIG.  9 A , depth  902   a , height  902   b , and length  902   c  each extend along three different axes within physical environment  901 , such that first region  902  extends in three dimensions around (e.g., at least partially around) the body of user  900 . 
     For instance, third perspective  920  of user  900  includes a bird&#39;s eye and/or overhead view of user  900  and first region  902  is illustrated, for example, as an area between first circle  902   d  and second circle  902   e  (e.g., first region  902  does not include areas of physical environment  901  inside of first circle  902   d  and outside of second circle  902   e ). While  FIG.  9 A  illustrates first region  902  as being the area between first circle  902   d  and circle  902   e , in some embodiments, first region  902  is defined as being an area between two non-circular shapes extending outward from center  922  of user  900 . At  FIG.  9 A , diameter  924  of second circle  902   e  includes a length that is substantially the same as depth  902   a  and length  902   c . In addition, first circle  902   d  and second circle  902   e  do not extend the full height of the body of user  900 , but extend a distance that is substantially equal to height  902   b . In some embodiments, diameter  926  of first circle  902   d  includes a distance that is based on width  914  and/or width  918  of user  900 . In some embodiments, distance  928  between first circle  902   d  and second circle  902   e  is based on a position of hand  900   b  and/or a position of hand  900   c  when placed at and/or near waist  900   a  of user  900 . 
     Similarly, at  FIG.  9 B , first perspective  930  of user  900  includes a side view of the body of user  900  and second region  904  is illustrated, for example, as a box that extends depth  904   a  and height  904   b  with respect to the body of the user  900  (e.g., waist  900   a  and/or back  900   f  of user  900 ). In particular, depth  904   a  extends from first position  932   a  to second position  932   b  through waist  900   a  of user  900 , where first position  932   a  and second position  932   b  are not located on the physical body of user  900  (e.g., first position  932   a  and second position  932   b  are located in areas of physical environment  901  that are determined based on a position of the body (e.g., waist  900   a  and/or back  900   f ) of user  900 ). In addition, height  904   b  extends from third position  932   c  to fourth position  932   d . In some embodiments, height  904   b  includes a distance that is determined based on height  910  of user  900 . In some embodiments, depth  904   a  includes a distance that is determined based on width  914  of user  900 . In some embodiments, depth  904   a  and height  904   b  are less than depth  902   a  and height  902   b.    
     At  FIG.  9 B , second perspective  934  of user  900  includes a front facing view of user  900  and second region  904  is illustrated, for example, as a box that extends height  904   b  and length  904   c . Length  904   c  extends from fifth position  932   e  to sixth position  932   f  through elbow  900   g , waist  900   a , and elbow  900   h  of user  900 . In some embodiments, length  904   c  includes a distance that is equal to depth  904   a . In some embodiments, length  904   c  includes a distance that is determined based on width  918  of user  900  (e.g., width  918  is a distance between hand  900   b  and hand  900   c  when hand  900   b  and hand  900   c  are placed at the sides of user  900  and/or a distance between shoulder  900   d  and shoulder  900   e  of user  900 ). As shown at  FIG.  9 B , depth  904   a , height  904   b , and length  904   c  each extend along three different axes within physical environment  901 , such that second region  904  extends in three dimensions around (e.g., at least partially around) the body of user  900 . 
     For instance, third perspective  936  of user  900  includes a bird&#39;s eye and/or overhead view of user  900  and second region  904  is illustrated, for example, as an area between first circle  904   d  and second circle  904   e  (e.g., second region  904  does not include areas of physical environment  901  inside of first circle  904   d  and outside of second circle  904   e ). While  FIG.  9 B  illustrates second region  904  as being the area between first circle  904   d  and circle  904   e , in some embodiments, second region  904  is defined as being an area between two non-circular shapes extending outward from center  922  of user  900 . At  FIG.  9 B , diameter  938  of second circle  904   e  includes a length that is substantially the same as depth  904   a  and length  904   c . In addition, first circle  904   d  and second circle  904   e  do not extend the full height of the body of user  900 , but extend a distance that is substantially equal to height  904   b . In some embodiments, diameter  940  of first circle  904   d  includes a distance that is based on width  914  and/or width  918  of user  900 . In some embodiments, distance  942  between first circle  904   d  and second circle  904   e  is based on a position of elbow  900   g  and/or a position of elbow  900   h  when placed at and/or near the sides of the body of user  900 . 
     As discussed below, first region  902  and second region  904  are substantially fixed with respect to one or more portions of the body of user  900  (e.g., waist  900   a , shoulder  900   d , shoulder  900   e , and/or back  900   f  of user  900 ), such that a corresponding portion of the body of user  900  is determined to be within first region  902  (e.g., hand  900   b  and/or hand  900   c ) and/or second region  904  (e.g., elbow  900   g  and/or elbow  900   h ) despite movement of user  900 . 
       FIGS.  9 C- 9 H  illustrate examples of electronic device  944  displaying, via display  944   a , communication interface  946 , which includes first participant region  946   a  corresponding to user  900  and second participant region  946   b  corresponding to a second user (e.g., a second user associated with and/or using electronic device  944 ). At  FIG.  9 C , first participant region  946   a  includes extended reality environment  948 , as well as first representation  950  of user  900  and table representation  952  (e.g., an image representative of a virtual table and/or representative of table  958  within physical environment  901 ) within extended reality environment  948 . In addition, second participant region  946   b  includes second representation  954  (e.g., an avatar and/or an image representative of) of second user. 
       FIGS.  9 C- 9 H  also illustrate user  900  within physical environment  901  (e.g., an actual environment in which user  900  is physically located), where physical environment  901  includes user  900  and table  958  (e.g., a physical table). Electronic device  944  is in communication with (e.g., wireless communication via an external electronic device that user  900  is associated with and/or using) sensor  960   a  and sensor  960   b  that are positioned within physical environment  901 . In some embodiments, sensors  960   a  and  960   b  include a camera, an image sensor, a light sensor, a depth sensor, a tactile sensor, an orientation sensor, a proximity sensor, a temperature sensor, a location sensor, a motion sensor, and/or a velocity sensor. Sensors  960   a  and  960   b  are configured to capture data and/or information related to a state (e.g., position, orientation, posture, and/or pose) of user  900  within physical environment  901 . For example, sensors  960   a  and  960   b  are configured to detect and capture information related to a positon and/or movement of various body parts of user  900  within physical environment  901 . While  FIGS.  9 C- 9 H  illustrate electronic device  944  being in communication with two sensors (e.g., sensor  960   a  and sensor  960   b ), in some embodiments, electronic device  944  is in communication with any suitable number of sensors (e.g., via an external electronic device associated with user  900 ). 
     At  FIG.  9 C , electronic device  944  receives information indicative of a state of one or more body parts of user  900  within physical environment  901  (e.g., via sensors  960   a  and/or  960   b  and/or via an external device). In response to receiving the information, electronic device  944  displays first representation  950  within extended reality environment  948  of first participant region  946   a . As shown at  FIG.  9 C , first representation  950  includes an appearance that imitates a physical appearance of user  900  in physical environment  901 . For instance, first representation  950  includes waist  950   a , hand  950   b , hand  950   c , shoulder  950   d , shoulder  950   e , elbow  950   g , and elbow  950   h  corresponding to waist  900   a , hand  900   b , hand  900   c , shoulder  900   d , shoulder  900   e , elbow  900   g , and elbow  900   h  of user  900 . In particular, hand  950   b  of first representation  950  is raised above waist  950   a  within extended reality environment  948  similar to hand  900   b  of user  900  in physical environment  901 . Hand  950   c  of first representation  950  is positioned on and/or near table representation  952  within extended reality environment  948  similar to hand  900   c  of user  900  that is positioned on and/or near table  958  in physical environment  901 . 
     At  FIG.  9 C , first region  902  and second region  904  are illustrated within physical environment  901  in which user  900  is located. First region  902  is represented by semi-circles surrounding an area of physical environment  901  near waist  900   a  of user  900  and second region  904  is represented by hatched lines surrounding an area near stomach  900   i  of user  900 . While first region  902  and second region  904  are illustrated within physical environment  901 , first region  902  and second region  904  are not physically visible to user  900  and/or distinguishable within physical environment. In addition, electronic device  944  does not display, via display  944   a , first region  902  and/or second region  904  on communication user interface  946  and/or in extended reality environment  948 . 
     At  FIG.  9 C , hand  900   b  and hand  900   c  of user  900  are both positioned outside of first region  904  within physical environment  901 . Similarly, elbow  900   g  and elbow  900   h  are both positioned outside of second region  906  within physical environment  901 . Electronic device  944  receives information indicative of the state (e.g., position, orientation, posture, and/or pose) of hand  900   b  and hand  900   c  being outside of first region  902  and elbow  900   g  and elbow  900   h  being outside of second region  904 . Based on the received information that hand  900   b  and hand  900   c  are outside of first region  902 , electronic device  944  displays hand  950   b  and hand  950   c  of first representation  950  as having a first appearance within extended reality environment  948  (e.g., as indicated by solid lines illustrated in  FIG.  9 C ). At  FIG.  9 C , electronic device  944  displays hand  950   b  and hand  950   c  of first representation  950  with a first amount of visual fidelity and/or without blur applied to hand  950   b  and hand  950   c . In some embodiments, electronic device  944  displays hand  950   b  and hand  950   c  as anatomically accurate representations of hand  900   b  and hand  900   c  without applying any amount of blur to hand  950   b  and hand  950   c  based on the information indicating that hand  900   b  and hand  900   c  are outside of first region  902 . In some embodiments, electronic device  944  displays hand  950   b  and hand  950   c  with the first appearance (e.g., the first amount of visual fidelity) because hand  900   b  and hand  900   c  of user  900  are outside of first region  902 , thereby indicating that user  900  is using hand  900   b  and/or hand  900   c  for communication with the second user. 
     Similarly, based on the received information indicating that elbow  900   g  and elbow  900   h  are outside of second region  904 , electronic device  944  displays elbow  950   g  and elbow  950   h  of first representation  950  as having a first appearance within extended reality environment  948  (e.g., as indicated by solid lines illustrated in  FIG.  9 C ). At  FIG.  9 C , electronic device  944  displays elbow  950   g  and elbow  950   h  of first representation  950  with a first amount of visual fidelity and/or without blur applied to elbow  950   g  and/or elbow  950   h . In some embodiments, electronic device  944  displays elbow  950   g  and elbow  950   h  as anatomically accurate representations of elbow  900   g  and elbow  900   h  without applying any amount of blur to elbow  950   g  and elbow  950   h  based on the information indicating that elbow  900   g  and elbow  900   h  are outside of second region  904 . 
     At  FIG.  9 D , user  900  has moved toward table  958  in physical environment  901 . For instance, user  900  is positioned closer to table  958  in  FIG.  9 D  when compared to the location of user  900  in  FIG.  9 C . In particular, waist  900   a  of user  900  moves toward table  958 , while hand  900   c  of user  900  remains located on and/or near table  958 . At  FIG.  9 D , electronic device  944  receives information indicative of the state of user  900  within physical environment  901  including the position of waist  900   a  and hand  900   c . The information indicative of the state of user  900  indicates that hand  900   c  is inside of first region  902 , as shown at  FIG.  9 D . Based on the received information indicating that hand  900   c  is inside of first region  902 , electronic device  944  displays hand  950   c  of first representation  950  as having a second appearance. For instance, at  FIG.  9 D , hand  950   c  is shown as being displayed by electronic device  944  with dashed lines to indicate that electronic device is displaying hand  950   c  with the second appearance. In some embodiments, the second appearance includes displaying hand  950   c  with a second amount of visual fidelity (e.g., precision and/or clarity) and/or with an increased amount of blur. In some embodiments, the second appearances includes displaying hand  950   c  as a blurred orb and/or other non-anatomically accurate representation of hand  900   c  of user  900 . In some embodiments, electronic device  944  displays hand  950   c  with the second appearance (e.g., the second amount of visual fidelity) because hand  900   c  of user  900  is inside of first region  902 , thereby indicating that user  900  is not using hand  900   c  for communication with the second user. In some embodiments, electronic device  944  displays hand  950   c  with the second appearance even when electronic device  944  receives information indicative of a state of hand  900   c  within physical environment  901  (e.g., direct data captured and/or detected via sensor  960   a  and/or  960   b ). 
     As shown at  FIG.  9 D , first region  902  and second region  904  are illustrated with respect to user  900 . First region  902  and second region  904  include the substantially same position and/or location with respect to waist  900   a  and/or stomach  900   i  of user  900  as compared to the position and/or location shown in  FIG.  9 C , despite user  900  moving toward table  958 . Thus, the positions and/or locations of first region  902  and second region  904  within physical environment  901  are maintained with respect to at least a portion of the body of user  900  (e.g., waist  900   a ) even as user  900  moves in physical environment  901 . 
     At  FIG.  9 E , user  900  has moved away from table  958  (e.g., as compared to the position of user  900  at  FIG.  9 D ) and has moved hand  900   b  and hand  900   c  (e.g., with respect to waist  900   a  of user  900 ). User  900  has moved hand  900   b  to a location and/or position near waist  900   a  of user  900  and/or near a pocket of a jacket in which user  900  is wearing. User  900  has also moved hand  900   c  to a location and/or position near stomach  900   i  of user  900 . Accordingly, hand  900   b  is within first region  902 , while hand  900   c  is within second region  904  but outside of first region  902 . At  FIG.  9 E , electronic device  900  receives information indicative of the state of user  900  within physical environment  901  including the position of waist  900   a , hand  900   b , and hand  900   c . The received information indicates that hand  900   b  is inside of first region  902  and hand  900   c  is outside of first region  902 , as shown at  FIG.  9 E . Based on the received information, electronic device  944  displays hand  950   b  of first representation  950  as having the second appearance. For instance, at  FIG.  9 E , hand  950   b  is shown as being displayed by electronic device  944  with dashed lines to indicate that electronic device is displaying hand  950   b  with the second appearance. In some embodiments, the second appearance includes displaying hand  950   b  with a second amount of visual fidelity (e.g., precision and/or clarity) and/or with an increased amount of blur. In some embodiments, the second appearances includes displaying hand  950   b  as a blurred orb and/or other non-anatomically accurate representation of hand  900   b  of user  900 . In some embodiments, electronic device  944  displays hand  950   b  with the second appearance (e.g., the second amount of visual fidelity) because hand  900   b  of user  900  is inside of first region  902 , thereby indicating that user  900  is not using hand  900   b  for communication with the second user. 
     At  FIG.  9 E , electronic device  944  displays hand  950   c  of first representation  950  with the first appearance (e.g., indicated by solid lines illustrated at  FIG.  9 E ) based on the received information indicating that hand  900   c  of user  900  is outside of first region  902 . Even though hand  900   c  is within second region  904 , electronic device  944  displays hand  950   c  with the first appearance because the received information indicates that hand  900   c  is outside of first region  902 . Thus, electronic device  944  is configured to display hand  950   b  and/or hand  950   c  with the first appearance and/or the second appearance based the information indicating whether hand  900   b  and/or hand  900   c  are inside of and/or outside of first region  902 , and not inside of and/or outside of second region  904 . In other words, electronic device  944  does not modify an appearance of hand  950   b  and/or hand  950   c  based on the information indicating that hand  900   b  and/or hand  900   c  are positioned inside of second region  904 . 
     As shown at  FIG.  9 E , first region  902  and second region  904  are illustrated with respect to user  900 . First region  902  and second region  904  include substantially the same position and/or location with respect to waist  900   a  and/or stomach  900   i  of user  900  as compared to the position and/or location shown in  FIGS.  9 C and  9 D , despite user  900  moving toward table  958 . Thus, the positions and/or locations of first region  902  and second region  904  within physical environment  901  are maintained with respect to at least a portion of the body of user  900  (e.g., waist  900   a ) even as user  900  moves in physical environment  901 . 
     At  FIG.  9 F , user  900  has moved hand  900   b  and hand  900   c  above shoulder  900   d  and shoulder  900   e , respectively. Accordingly, hand  900   b  and hand  900   c  are both positioned outside of first region  902 . At  FIG.  9 F , electronic device  900  receives information indicative of the state of user  900  within physical environment  901  including the position of hand  900   b , hand  900   c , elbow  900   g , and elbow  900   h . The received information indicates that hand  900   b  and hand  900   c  are both positioned outside of first region  902 . Based on the information indicating that  900   b  and hand  900   c  are both outside of first region  902 , electronic device  944  displays hand  950   b  and hand  950   c  of first representation  950  as having the first appearance. In addition, the received information indicates that elbow  900   g  and elbow  900   h  are both positioned outside of second region  904 . Based on the information indicating that elbow  900   g  and elbow  900   h  are both outside of second region  904 , electronic device  944  displays elbow  950   g  and elbow  950   h  of first representation  950  as having the first appearance. 
     At  FIG.  9 G , user  900  has moved hand  900   b , hand  900   c , elbow  900   g , and elbow  900   h  at the sides of user  900 . Accordingly, hand  900   b  and hand  900   c  are both positioned inside of first region  902  and elbow  900   g  and elbow  900   h  are both positioned inside of second region  904 . At  FIG.  9 F , electronic device  900  receives information indicative of the state of user  900  within physical environment  901  including the position of hand  900   b , hand  900   c , elbow  900   g , and elbow  900   h . The received information indicates that hand  900   b  and hand  900   c  are both positioned inside of first region  902 . Based on the received information indicating that hand  900   b  and hand  900   c  are both inside of first region  902 , electronic device  944  displays hand  950   b  and hand  950   c  of first representation  950  as having the second appearance (e.g., as indicated by hand  950   b  and hand  950   c  having dashed lines). In addition, the received information indicates that elbow  900   g  and elbow  900   h  are both positioned inside of second region  904 . Based on the information indicating that elbow  900   g  and elbow  900   h  are both inside of second region  904 , electronic device  944  displays elbow  950   g  and elbow  950   h  of first representation  950  as having the second appearance (e.g., as indicated by elbow  950   g  and elbow  950   h  having dashed lines). 
     As set forth above, electronic device  944  is configured to adjust an appearance of hand  950   b  and/or hand  950   c  based on whether the received information indicates that hand  900   b  and/or hand  900   c  are inside of and/or outside of first region  902 . In addition, electronic device  944  is configured to adjust an appearance of elbow  950   g  and elbow  950   h  based on whether the received information indicates that elbow  900   g  and elbow  900   h  are positioned inside of and/or outside of second region  904 . Electronic device  944  does not adjust and/or modify an appearance of hand  950   b  and/or hand  950   c  when the received information indicates that hand  900   b  and/or hand  900   c  are positioned inside of second region  904 . Similarly, electronic device  944  does not adjust and/or modify an appearance of elbow  950   g  and/or elbow  950   h  when the received information indicates that elbow  900   g  and/or elbow  900   h  are positioned within first region  902 . 
     At  FIG.  9 H , user  900  has moved toward table  958  in physical environment  901 . For instance, user  900  is positioned closer to table  958  in  FIG.  9 H  when compared to the location of user  900  in  FIG.  9 G . In particular, waist  900   a  of user  900  moves toward table  958 , while hand  900   b  and hand  900   c  of user  900  remain located near the sides (e.g., waist  900   a ) of user  900 . In addition, elbow  900   g  and  900   h  of user  900  remain located near the sides of user  900 , as shown at  FIG.  9 H . Electronic device  944  receives information indicative of the state of user  900  within physical environment  901  including the position of waist  900   a , hand  900   b , hand  900   c , elbow  900   g , and/or elbow  900   h . The received information indicates that hand  900   b  and hand  900   b  are both inside of first region  902 . Based on the received information indicating that hand  900   b  and hand  900   c  are inside of first region  902 , electronic device  944  displays hand  950   b  and hand  950   c  of first representation  950  as having the second appearance. The received information also indicates that elbow  900   g  and elbow  900   h  are both inside of second region  904 . Based on the received information indicating that elbow  900   g  and elbow  900   h  are inside of second region  904 , electronic device  944  displays elbow  950   g  and elbow  950   h  with the second appearance. 
     At  FIG.  9 H , first region  902  and second region  904  are illustrated with respect to user  900 . First region  902  and second region  904  include the substantially same position and/or location with respect to waist  900   a  of user  900  as compared to the position and/or location shown in  FIGS.  9 C- 9 G , despite user  900  moving toward table  958 . Thus, the positions and/or locations of first region  902  and second region  904  within physical environment  901  are maintained with respect to at least a portion of the body of user  900  (e.g., waist  900   a ) even as user  900  moves in physical environment  901 . 
     Additional descriptions regarding  FIGS.  9 A- 9 H  are provided below in reference to method  1000  described with respect to  FIGS.  9 A- 9 H . 
       FIG.  10    is a flow diagram of an exemplary method  1000  for displaying representations of different portions of a user with different amounts of visual fidelity, in accordance with some embodiments. In some embodiments, method  1000  is performed at a computer system (e.g., computer system  101  in  FIG.  1   ) including a display generation component (e.g., display generation component  120  in  FIGS.  1 ,  3 , and  4   ) (e.g., a visual output device, a 3D display, a display having at least a portion that is transparent or translucent on which images can be projected (e.g., a see-through display), a projector, a heads-up display, a display controller) and an external computer system that is associated with a first user (e.g., that is being operated by the first user (e.g., a user that is in a communication session (e.g., an extended reality and/or video conference) with the user of the computer system). In some embodiments, the method  1000  is governed by instructions that are stored in a non-transitory (or transitory) computer-readable storage medium and that are executed by one or more processors of a computer system, such as the one or more processors  202  of computer system  101  (e.g., control  110  in  FIG.  1   ). Some operations in method  1000  are, optionally, combined and/or the order of some operations is, optionally, changed. 
     As described below, method  1000  provides an intuitive way for displaying representations of different portions of a user with different amounts of visual fidelity. The method reduces the cognitive burden on a user for participating in a real-time communication session, thereby creating a more efficient human-machine interface. For battery-operated computing devices, enabling a user communicate with another participant of the real-time communication session faster and more efficiently conserves power and increases the time between battery charges. 
     The computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ), in response to receiving (e.g., based on user input at the computer system) a request to display a representation (e.g.,  950 ) (e.g., an avatar; a virtual avatar (e.g., the avatar is a virtual representation of at least a portion of the first user)) of the first user (e.g.,  900 ) (e.g., a user of the external computer system) in an extended reality environment ( 1002 ) (e.g.,  948 ) (in some embodiments, the virtual avatar is displayed, in an extended reality environment, in lieu of the first user), displays ( 1004 ) in the extended reality environment (e.g.,  948 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), the representation (e.g.,  950 ) (e.g., an avatar and/or a virtual representation of at least a portion of the first user)) of the first user (e.g., a user in a physical environment) 
     Displaying the representation (e.g.,  950 ) of the first user (e.g.,  900 ) includes (in some embodiments, the virtual avatar is displayed, in an extended reality environment, in lieu of the first user): in accordance with a determination that a first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of a body of the first user (e.g.,  900 ) (e.g., hands, forearms, and/or elbows) is in a first region (e.g.,  902  and/or  904 ) of a physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located, where the first region (e.g.,  902  and/or  904 ) is defined relative to the body of the first user (e.g.,  900 ) (e.g., the first portion of the body of the first user is positioned within a predetermined area with respect to a second portion of the body of the first user (e.g., hips, waist, torso, and/or abdominal region)), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays ( 1006 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), a first visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) (e.g., an obscured representation of the first portion of the body of the first user, where the obscured representation is not an anatomically accurate depiction and/or representation of the first portion of the body of the first user), where the first visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) includes a first amount of visual fidelity (and/or precision) (e.g., a low amount of fidelity causing the first visual indication of the first portion of the body to include an obscured representation of the first portion of the body (e.g., a blurred, transparent, and/or other visual indication of the first portion of the body that is not an anatomically accurate depiction and/or representation of the first portion of the body). In some embodiments, the predetermined area includes a three-dimensional area with respect to the second portion of the body of the first user (e.g., extending around and/or extending partially around the second portion of the body of the first user) that indicates that the first portion of the body of the first user is inactive and/or not moving (e.g., hands in pockets, hands resting on the hips, hands at the sides of the first user, arms crossed). 
     Displaying the representation (e.g.,  950 ) of the first user (e.g.,  900 ) includes (in some embodiments, the virtual avatar is displayed, in an extended reality environment, in lieu of the first user): in accordance with a determination that the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) (e.g., hands, forearms, and/or elbows) is in a second region (e.g., a region of physical environment  901  outside of region  902  and/or region  904 ) of the physical environment (e.g.,  901 ), where the second region is separate from the first region (e.g.,  902  and/or  904 )(e.g., the first portion of the body of the first user is positioned outside of the predetermined area with respect to the second portion of the body of the first user (e.g., hips, waist, torso, and/or abdominal region)), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays ( 1008 ), via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), a second visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) (e.g., a representation of the first portion of the body of the first user that is an anatomically accurate representation and/or depiction of the first portion of the body of the first user), where the second visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) includes a second amount of visual fidelity (and/or precision) (e.g., a high amount of fidelity causing the first visual indication of the first portion of the body to include an accurate depiction of the first portion of the body), different from the first amount of visual fidelity. 
     Displaying the first visual indication and/or the second visual indication based the determination that the first portion of the body of the first user is in a first region and/or a second region provides improved visual feedback by displaying portions of the representation with increased clarity when the first user is likely using the first portion of the body to communicate during a real-time communication session, which provides improved visual feedback. 
     In some embodiments, displaying the representation (e.g.,  950 ) of the first user (e.g.,  900 ) includes, in accordance with a determination that a second portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) (e.g., hands, forearms, and/or elbows; a second portion of the body that is different from the first portion of the body of the first user) is in a third region (e.g.,  902  and/or  904 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located (e.g., the third region of the physical environment in which the first user is located is different from the first region of the physical environment in which the first user is located), where the third region (e.g.,  902  and/or  904 ) is defined relative to the body of the first user (e.g.,  900 ) (e.g., the second portion of the body of the first user is positioned within a predetermined area with respect to a third portion of the body of the first user (e.g., hips, waist, torso, and/or abdominal region)), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays, via the display generation component (e.g.,  120 ,  700   a ,  704   a , and/or  944   a ), a third visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the second portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) (e.g., the third visual indication of the second portion of the body of the first user is different from the first visual indication and the second visual indication of the first portion of the body of the first user), where the third visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the second portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) includes the first amount of visual fidelity (and/or precision) (e.g., a low amount of fidelity causing the third visual indication of the second portion of the body to include an obscured representation of the second portion of the body (e.g., a blurred, transparent, and/or other visual indication of the second portion of the body that is not an anatomically accurate depiction and/or representation of the second portion of the body). 
     Displaying the third visual indication based the determination that the second portion of the body of the first user is in a third region provides improved visual feedback by displaying portions of the representation with increased clarity when the first user is likely using a particular portion of the body to communicate during a real-time communication session, which provides improved visual feedback. 
     In some embodiments, the first region (e.g.,  902  and/or  904 ) surrounds a predetermined portion (e.g.,  900   a ,  900   f , and/or  900   i ) of the body of the first user (e.g.,  900 ) (e.g., the first region includes a predetermined area with respect to the second portion of the body of the first user (e.g., hips, waist, torso, and/or abdominal region) that extends at least partially around the second portion of the body of the first user). 
     The first region surrounding a predetermined portion of the body of the first user enables a determination to be made as to whether the first portion of the body of the first user is within an area where the first portion of the body is unlikely to be used by the first user for communicating during the real-time communication session, which provides improved visual feedback. 
     In some embodiments, the first region (e.g.,  902  and/or  904 ) extends in three dimensions with respect to the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located (e.g., the first region extends into areas of space in the physical environment in which the first user is located along three different axes). 
     The first region extending in three dimensions with respect to the physical environment enables a determination to be made as to whether the first portion of the body of the first user is within an area where the first portion of the body is unlikely to be used by the first user for communicating during the real-time communication session, which provides improved visual feedback. 
     In some embodiments, the first region (e.g.,  902 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located corresponds to the first portion (e.g.,  900   b  and/or  900   c ) of the body of the user (e.g.,  900 ) (e.g., the first region of the physical environment in which the first user is located corresponds to only the first portion of the body of the first user, such that when a second portion of the body of the first user is in determined to be positioned in the first region, an amount of visual fidelity and/or other appearance of a representation and/or visual indication of the second portion of the body of the first user is unchanged and/or maintained), and a third region (e.g.,  904 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located corresponds to a second portion (e.g.,  900   g  and/or  900   h ) of the body of the first user (e.g.,  900 ), different from the first portion (e.g.,  900   b  and/or  900   c ) of the body of the first user (e.g.,  900 ) (e.g., the third region of the physical environment in which the first user is located corresponds to only the second portion of the body of the first user, such that when the first portion of the body of the first user is in determined to be positioned in the third region, an amount of visual fidelity and/or other appearance of a representation and/or visual indication of the first portion of the body of the first user is unchanged and/or maintained) (e.g., different portions of the body of the first user correspond to different regions of the physical environment). 
     The first region corresponding to the first portion of the body of the first user and the third region corresponding to the second portion of the body of the first user provides improved visual feedback by displaying different portions of the representation that are likely to be used by the first user for communicating during a real-time communication session, which provides improved visual feedback. 
     In some embodiments, while the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays, in the extended reality environment, the representation (e.g.,  950 ) of the first user (e.g.,  900 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) receives an indication of a state (e.g., position, orientation, and/or pose) of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) within the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located (e.g., receiving information and/or data indicative of a position and/or movement of the first portion of the body of the first user in the physical environment in which the first user is located). In response to receiving the indication of the state of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) within the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located and in accordance with the determination that the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) is in the first region (e.g.,  902  and/or  904 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) maintains display of the first visual indication (e.g.,  950   b ,  950   c ,  950   g , and/or  950   h ) of the first portion (e.g.,  900   b ,  900   c ,  900   g , and/or  900   h ) of the body of the first user (e.g.,  900 ) including the first amount of visual fidelity (e.g., continuing to display the first visual indication of the first portion of the body of the first user with the first amount of visual fidelity when the first portion of the body of the first user is positioned in the first region despite receiving the indication of the state of the first portion of the body within the physical environment in which the first user is located). In some embodiments, in response to receiving the indication of the state of the first portion of the body of the first user within the physical environment in which the first user is located and in accordance with the determination that the first portion of the body of the first user is in the second region of the physical environment in which the first user is located, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) maintains display of the second visual indication of the first portion of the body of the first user including the second amount of visual fidelity. 
     Maintaining display of the first visual indication of the first portion of the body of the first user in response to receiving the indication of the state of the first portion of the body of the first user provides improved visual feedback by displaying the first portion of the body of the first user with less clarity when the first user is unlikely to be using the first portion of the body for communicating despite a position of the first portion of the body of the first user being detected, which improves visual feedback. 
     In some embodiments, the first portion (e.g.,  900   b  and/or  900   c ) of the body of the first user (e.g.,  900 ) includes a hand (e.g.,  900   b  and/or  900   c ) of the first user (e.g.,  900 ), the first region (e.g.,  902 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located includes an area of the physical environment (e.g.,  901 ) corresponding to pockets of an article of clothing that the first user (e.g.,  900 ) is wearing (e.g., the first region at least partially surrounds a portion of the body of the first user that includes pockets of pants and/or a jacket in which the first user is wearing in the physical environment), and the first visual indication (e.g.,  950   b  and/or  950   c ) of the first portion (e.g.,  900   b  and/or  900   c ) of the body of the first user (e.g.,  900 ) that includes the first amount of visual fidelity includes a blurred representation of the hand (e.g.,  900   b  and/or  900   c ) of the first user (e.g.,  900 ) (e.g., the first amount of visual fidelity applies a predetermined amount of blurring that is greater than an amount of blurring applied by the second amount of visual fidelity). 
     Displaying a blurred representation of the hand when the hand is in an area corresponding to pockets of an article of clothing that the user is wearing enables provides improved visual feedback by displaying the hand with less clarity when the first user is unlikely to be using the hand to communication, which improves visual feedback. 
     In some embodiments, the first portion (e.g.,  900   b  and/or  900   c ) of the body of the first user (e.g.,  900 ) includes a hand (e.g.,  900   b  and/or  900   c ) of the first user (e.g.,  900 ), the first region (e.g.,  902 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located includes an area of the physical environment (e.g.,  901 ) near a waist (e.g.,  900   a ) of the user (e.g.,  900 ) (e.g., below the waist and near the body of the user in a region typically occupied by pockets in pants) (e.g., the first region at least partially surrounds a portion of the body of the first user that includes pockets of pants and/or a jacket in which the first user is wearing in the physical environment), and the first visual indication (e.g.,  950   b  and/or  950   c ) of the first portion (e.g.,  900   b  and/or  900   c ) of the body of the first user (e.g.,  900 ) that includes the first amount of visual fidelity includes a blurred representation of the hand (e.g.,  900   b  and/or  900   c ) of the first user (e.g.,  900 ) (e.g., the first amount of visual fidelity applies a predetermined amount of blurring that is greater than an amount of blurring applied by the second amount of visual fidelity). 
     Displaying a blurred representation of the hand when the hand is in an area near a waist of the user provides improved visual feedback by displaying the hand with less clarity when the first user is unlikely to be using the hand to communication, which improves visual feedback. 
     In some embodiments, the first portion (e.g.,  900   g  and/or  900   h ) of the body of the first user (e.g.,  900 ) includes an elbow (e.g.,  900   g  and/or  900   h ) of the first user (e.g.,  900 ), the first region (e.g.,  904 ) of the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located includes an area surrounding a torso (e.g.,  900   a ,  900   f  and/or  900   i ) of the body of the first user (e.g.,  900 ) (e.g., the first region at least partially surrounds a portion of the body of the first user that includes a torso of the first user and/or above a waist of the user), and the first visual indication (e.g.,  950   g  and/or  950   h ) of the first portion (e.g.,  900   g  and/or  900   h ) of the body of the first user (e.g.,  900 ) that includes the first amount of visual fidelity includes a blurred representation of the elbow (e.g.,  900   g  and/or  900   h ) of the first user (e.g.,  900 ) (e.g., the first amount of visual fidelity applies a predetermined amount of blurring that is greater than an amount of blurring applied by the second amount of visual fidelity). 
     Displaying a blurred representation of the elbow when the elbow is in an area near a torso of the body of the first user provides improved visual feedback by displaying the elbow with less clarity when the first user is unlikely to be using the elbow to communication, which improves visual feedback. 
     In some embodiments, while displaying the representation (e.g.,  950 ) of the first user (e.g.,  900 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) detects movement of the first user (e.g.,  900 ) within the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located (e.g., detecting movement of at least one portion of the body of the first user via one or more sensors in communication with the computer system). After detecting the movement of the first user (e.g.,  900 ) within the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays at least a portion of the representation (e.g.,  950 ) of the first user (e.g.,  900 ) with an appearance (e.g., an amount of visual fidelity, such as the first amount of visual fidelity and/or the second amount of visual fidelity) that is determined based on a location of the first region (e.g.,  902  and/or  904 ) in the physical environment (e.g.,  901 ), where the first region (e.g.,  902  and/or  904 ) is moved so as to maintain a position of the first region (e.g.,  902  and/or  904 ) relative to the body of the first user (e.g.,  900 ) (e.g., the first region of the physical environment in which the first user is located moves with the first user, such that the first region of the physical environment in which the first user is located remains substantially stationary with respect to at least one body part of the first user as the first user moves about the physical environment). 
     Maintaining a position of the first region relative to the body of the first user improves visual feedback by displaying portions of the representation of the first user with increased clarity when the user is likely to be using the first portion of the body for communicating despite movement of the first user in the physical environment, which improves visual feedback. 
     In some embodiments, while displaying the representation (e.g.,  950 ) of the first user (e.g.,  900 ), the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) detects movement of the first user (e.g.,  900 ) within the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located (e.g., detecting movement of at least one portion of the body of the first user via one or more sensors in communication with the computer system). After detecting the movement of the first user (e.g.,  900 ) within the physical environment (e.g.,  901 ) in which the first user (e.g.,  900 ) is located, the computer system (e.g.,  101 ,  700 ,  704 , and/or  944 ) displays at least a portion of the representation (e.g.,  950 ) of the first user with an appearance (e.g., an amount of visual fidelity, such as the first amount of visual fidelity and/or the second amount of visual fidelity) that is determined based on a location of the second region (e.g., a region of physical environment outside of regions  902  and/or  904 ) in the physical environment (e.g.,  901 ), where, the second region is moved so as to maintain a position of the second region relative to the body of the first user (e.g.,  900 ) (e.g., the second region of the physical environment in which the first user is located moves with the first user, such that the second region of the physical environment in which the first user is located remains substantially stationary with respect to at least one body part of the first user as the first user moves about the physical environment). 
     Maintaining a position of the second region relative to the body of the first user improves visual feedback by displaying portions of the representation of the first user with increased clarity when the user is likely to be using the first portion of the body for communicating despite movement of the first user in the physical environment, which improves visual feedback. 
     In some embodiments, aspects/operations of methods  800  and  1000  may be interchanged, substituted, and/or added between these methods. For example, the appearances of portions of the representations displayed by the computer systems performing method  800  can be adjusted based on a position and/or location of one or more body parts of the first user with respect to regions of the physical environment in which first user is located. For brevity, these details are not repeated here. 
     The foregoing description, for purpose of explanation, has been described with reference to specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Many modifications and variations are possible in view of the above teachings. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best use the invention and various described embodiments with various modifications as are suited to the particular use contemplated. 
     As described above, one aspect of the present technology is the gathering and use of data available from various sources to improve XR experiences of users. The present disclosure contemplates that in some instances, this gathered data may include personal information data that uniquely identifies or can be used to contact or locate a specific person. Such personal information data can include demographic data, location-based data, telephone numbers, email addresses, twitter IDs, home addresses, data or records relating to a user&#39;s health or level of fitness (e.g., vital signs measurements, medication information, exercise information), date of birth, or any other identifying or personal information. 
     The present disclosure recognizes that the use of such personal information data, in the present technology, can be used to the benefit of users. For example, the personal information data can be used to improve an XR experience of a user. Further, other uses for personal information data that benefit the user are also contemplated by the present disclosure. For instance, health and fitness data may be used to provide insights into a user&#39;s general wellness, or may be used as positive feedback to individuals using technology to pursue wellness goals. 
     The present disclosure contemplates that the entities responsible for the collection, analysis, disclosure, transfer, storage, or other use of such personal information data will comply with well-established privacy policies and/or privacy practices. In particular, such entities should implement and consistently use privacy policies and practices that are generally recognized as meeting or exceeding industry or governmental requirements for maintaining personal information data private and secure. Such policies should be easily accessible by users, and should be updated as the collection and/or use of data changes. Personal information from users should be collected for legitimate and reasonable uses of the entity and not shared or sold outside of those legitimate uses. Further, such collection/sharing should occur after receiving the informed consent of the users. Additionally, such entities should consider taking any needed steps for safeguarding and securing access to such personal information data and ensuring that others with access to the personal information data adhere to their privacy policies and procedures. Further, such entities can subject themselves to evaluation by third parties to certify their adherence to widely accepted privacy policies and practices. In addition, policies and practices should be adapted for the particular types of personal information data being collected and/or accessed and adapted to applicable laws and standards, including jurisdiction-specific considerations. For instance, in the US, collection of or access to certain health data may be governed by federal and/or state laws, such as the Health Insurance Portability and Accountability Act (HIPAA); whereas health data in other countries may be subject to other regulations and policies and should be handled accordingly. Hence different privacy practices should be maintained for different personal data types in each country. 
     Despite the foregoing, the present disclosure also contemplates embodiments in which users selectively block the use of, or access to, personal information data. That is, the present disclosure contemplates that hardware and/or software elements can be provided to prevent or block access to such personal information data. For example, in the case of XR experiences, the present technology can be configured to allow users to select to “opt in” or “opt out” of participation in the collection of personal information data during registration for services or anytime thereafter. In another example, users can select not to provide data for customization of services and/or generating representations of the users. In yet another example, users can select to limit the length of time data is maintained or entirely prohibit the development of a customized service and/or generation of representations of the users. In addition to providing “opt in” and “opt out” options, the present disclosure contemplates providing notifications relating to the access or use of personal information. For instance, a user may be notified upon downloading an app that their personal information data will be accessed and then reminded again just before personal information data is accessed by the app. 
     Moreover, it is the intent of the present disclosure that personal information data should be managed and handled in a way to minimize risks of unintentional or unauthorized access or use. Risk can be minimized by limiting the collection of data and deleting data once it is no longer needed. In addition, and when applicable, including in certain health related applications, data de-identification can be used to protect a user&#39;s privacy. De-identification may be facilitated, when appropriate, by removing specific identifiers (e.g., date of birth, etc.), controlling the amount or specificity of data stored (e.g., collecting location data a city level rather than at an address level), controlling how data is stored (e.g., aggregating data across users), and/or other methods. 
     Therefore, although the present disclosure broadly covers use of personal information data to implement one or more various disclosed embodiments, the present disclosure also contemplates that the various embodiments can also be implemented without the need for accessing such personal information data. That is, the various embodiments of the present technology are not rendered inoperable due to the lack of all or a portion of such personal information data. For example, representations of users can be generated based on non-personal information data or a bare minimum amount of personal information, such as the content being requested by the device associated with a user, other non-personal information available to the service, or publicly available information.

Metadata:
Filing Date: 20220914
Publication Date: 20241029
Grant Date: 20241029
Priority Date: 20210924
Inventors: LI, Jiabao
LU, MARISA R.
BAUERLY, KRISTI E.
LIM, JI HYOUN
LI, CHIA-LING
MISSIG, JULIAN K.
O'LEARY, FIONA P.
Assignee: APPLE INC
CPC Classifications: [{"code": "G06F3/04815", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06F3/011", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06T19/006", "inventive": true, "first": false, "tree": "[]"}, {"code": "A63F13/213", "inventive": false, "first": false, "tree": "[]"}, {"code": "G06T19/006", "inventive": true, "first": true, "tree": "[]"}, {"code": "G06T13/40", "inventive": true, "first": true, "tree": "[]"}, {"code": "G06F3/04815", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06F3/011", "inventive": true, "first": false, "tree": "[]"}, {"code": "G06T19/006", "inventive": true, "first": true, "tree": "[]"}]
Family ID: 83689870