Method and system for generating realistic collisions in graphic

Details Method and system for generating realistic collisions in graphic Method and system for generating realistic collisions in graphic

1998-03-04

2000-05-23

Powell, Mark R.

Computer graphics processing and selective visual display system

Computer graphics processing

Animation

345473, 345474, 345958, G06F 1700

Patent

active

060670967

ABSTRACT:
A method of computer operation and a software system for operating a computer to generate realistic collisions between animated bodies. The system operates the computer to iteratively calculate of body positions from previous positions using a simulated contact force between colliding bodies which has a nonlinear relationship with respect to the closest-points vector defined between the bodies such that the force increases sufficiently rapidly as the closest-points vector goes to zero to overcome the motions causing the collision between the bodies. The present invention also uses a similar relationship between a limiting torque for body part joints and a maximum allowed rotation for a joint for realistic motions of articulated body parts connected by joints.

REFERENCES:
patent: 5625575 (1997-04-01), Goyal et al.

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