Patent Document ID: 8436861
Application ID: 12987721
Patent Status: 1

Claim One:
1. A method for providing relative motion of computer-generated objects within a computer-generated scene, the method comprising: receiving, at one or more computer systems, information indicating that motion of a first object is being constrained by at least a first surface region and a second surface region; determining, with one or more processors associated with the one or more computer systems, a difference between velocity of the first surface region and velocity of a reference location associated with a second object; determining, with the one or more processors associated with the one or more computer systems, a difference between velocity of the second surface region and the velocity of the reference location associated with the second object; selecting, with the one or more processors associated with the one or more computer systems, one of the first surface region and the second surface region based on comparing the difference between the velocity of the first surface region and the velocity of the reference location associated with the second object with the difference between the velocity of the second surface region and the velocity of the reference location associated with the second object; and generating, with the one or more processors associated with the one or more computer systems, information that constrains motion of the first object primarily to motion of the selected one of the first surface region and the second surface region.