Representation device for representing a three-dimensional virtual scenario and for interacting therewith, comprising: at least one representation region for representing the three-dimensional virtual scenario; an input unit for controlling a movement of a marking element on a virtual surface area in the three-dimensional virtual scenario; wherein the representation device is embodied to display virtual objects in a representation space, such that the virtual objects are situated in front of and/or behind the virtual surface area from the viewpoint of an observer; wherein the representation device is embodied to represent the virtual surface area in the representation space, such that the marking element can be moved on the virtual surface area in order to select a virtual object in the three-dimensional virtual scenario; wherein the representation device is embodied to calculate a connecting line from the observer of the representation device via the marking element; wherein the representation device is embodied to select the virtual object by the marking element being moved on the virtual surface area so that the connecting line intersects a virtual location of the virtual object in the three-dimensional virtual scenario; characterized in that: the representation device is embodied to calculate the connecting line from an averaged position of the eyes of the observer of the representation device via the marking element; wherein the representation device is embodied to represent the marking element in the three-dimensional virtual scenario so that with additional depth information said marking element occupies the virtual location of the virtual object if the connecting line intersects the virtual location of the virtual object, wherein the virtual surface area has a rounded shape. at least one representation region for representing the three-dimensional virtual scenario; an input unit for controlling a movement of a marking element on a virtual surface area in the three-dimensional virtual scenario; wherein the representation device is embodied to display virtual objects in a representation space, such that the virtual objects are situated in front of and/or behind the virtual surface area from the viewpoint of an observer; wherein the representation device is embodied to represent the virtual surface area in the representation space, such that the marking element can be moved on the virtual surface area in order to select a virtual object in the three-dimensional virtual scenario; wherein the representation device is embodied to calculate a connecting line from the observer of the representation device via the marking element; wherein the representation device is embodied to select the virtual object by the marking element being moved on the virtual surface area so that the connecting line intersects a virtual location of the virtual object in the three-dimensional virtual scenario; characterized in that: the representation device is embodied to calculate the connecting line from an averaged position of the eyes of the observer of the representation device via the marking element; wherein the representation device is embodied to represent the marking element in the three-dimensional virtual scenario so that with additional depth information said marking element occupies the virtual location of the virtual object if the connecting line intersects the virtual location of the virtual object, wherein the virtual surface area has a rounded shape. the representation device is embodied to calculate the connecting line from an averaged position of the eyes of the observer of the representation device via the marking element; wherein the representation device is embodied to represent the marking element in the three-dimensional virtual scenario so that with additional depth information said marking element occupies the virtual location of the virtual object if the connecting line intersects the virtual location of the virtual object, wherein the virtual surface area has a rounded shape.