threejs-core-scene-graph
Installation
SKILL.md
threejs-core-scene-graph
Quick Reference
Scene Graph Hierarchy
| Class | Extends | Purpose |
|---|---|---|
Object3D |
EventDispatcher |
Base class for ALL 3D objects. Provides transform, hierarchy, traversal |
Scene |
Object3D |
Root container. Adds background, environment, fog, overrideMaterial |
Group |
Object3D |
Semantic container with no extra functionality. Use for logical grouping |
Mesh |
Object3D |
Geometry + Material. The primary visible object in a scene |
Camera |
Object3D |
View projection. ALWAYS add to scene for matrix updates |
Light |
Object3D |
Illumination. ALWAYS add to scene for rendering |