Advanced Computer Animation. Group Behaviors. Group Behaviors : Motivation. Many animations require natural-looking behavior from a large number of characters Flock of birds School of fish Crowd of people. What is a flock?.
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1. Collision Avoidance
Avoid running into other boids or static obstacles
2. Velocity Matching
Match velocity with nearby flockmates
3. Flock Centering
Stay close to nearby flockmates
avoiding cylindrical obstacles (1986)Avoiding Environmental Obstacles
a caustic is the envelope of light raysreflected or refracted by a curved surface or object
deleted when lifetime is exceeded
define interaction cutoff distance h
Video Game: Lara Croft - Tomb Raider: Angel of Darkness
Movie: Final Fantasy
(a) hair strip, (b) hair cluster, (c) hair strand