The Cg Tutorial: The Definitive Guide to Programmable Real-Time Graphics

Chapter 6. Animation

This chapter describes various ways to animate objects using Cg. It has the following five sections:

• “Movement in Time” introduces the concept of animation.

• “A Pulsating Object” shows a vertex program that periodically displaces an object’s surface outward, in the direction of its normal vectors.

• “Particle Systems” describes how to use a physically based simulation to create a particle system, with all the calculations done by the GPU.

• “Key-Frame Interpolation” explains key-frame animation, in which a vertex program animates an object by interpolating between different object poses.

• “Vertex Skinning” explains how to displace vertices based on multiple weighted control matrices for more dynamic control in character animation.

Movement ...