Computer Animation System Overview CS 6204 Character Animation Computer Animation System Overview Yong Cao February 6, 2007

Introduction Shrek 2

Introduction World of Warcraft

Virtual Reality Engine Introduction Virtual Reality Engine

Class project from UCLA Introduction Class project from UCLA

While ( Not end ) { Update Everything; Render Everything; Animation Loop While ( Not end ) { Update Everything; Render Everything; Advance Time; }

What need to be updated? Scene Manager Camera Manager Lights Manager “Update Everything” What need to be updated? Scene Manager Camera Manager Lights Manager

What need to be updated? Scene Manager Camera Manager Lights Manager “Update Everything” What need to be updated? Scene Manager Camera Manager Lights Manager

What need to be updated? Scene Manager Camera Manager Lights Manager “Update Everything” What need to be updated? Scene Manager Camera Manager Lights Manager

What need to be updated? Scene Manager Camera Manager Lights Manager “Update Everything” What need to be updated? Scene Manager Camera Manager Lights Manager

Poses of Animated Objects Others: Audio, music … Update What? Object general status Position Health, Emotion … Poses of Animated Objects Others: Audio, music …

Special effects (Particles) … Modules for “Updating” AI (simulation) Animation Physics Virtual events Special effects (Particles) …

What need to be rendered? How to render? “Render Everything” What need to be rendered? How to render?

Scene Manager Occlusion Level Of Detail (LOD) “What need to be rendered?” Scene Manager Occlusion Level Of Detail (LOD)

Scene Manager Occlusion Rendering Order Camera Manager Lights Manager “How to render?” Scene Manager Occlusion Rendering Order Camera Manager Lights Manager Renderer Alpha Blending, Opaque Shader (GPU) Shadow (soft) Volumetric lighting Normal Map, Bump Map

Alpha Blending and Translucency

Shadow Soft Shadow Self Shadow

Volumetric lighting

Normal Mapping

Object Manager Scene Manager Camera Manager Lights Manager AI Overview Scene Manager Object Manager Camera Manager Lights Manager AI Animation Physics Particles … Renderer

AI Animation Physics Particles … Renderer Overview “Updating Everything” “Render Everything” Managers: Scene Manager Camera Manager Lights Manager Systems: AI Animation Physics Particles … Renderer

Overview