3d-essentials
Installation
SKILL.md
3D Essentials in Godot 4.3+
All examples target Godot 4.3+ with no deprecated APIs. GDScript is shown first, then C#.
Related skills: player-controller for CharacterBody3D movement, physics-system for 3D collision shapes and raycasting, camera-system for Camera3D follow and transitions, shader-basics for spatial shaders and post-processing, godot-optimization for 3D performance tuning, animation-system for AnimationTree and 3D animation blending.
1. 3D Coordinate System & Core Nodes
Coordinate System
Godot uses a right-handed coordinate system with metric units (1 unit = 1 meter):
| Axis | Direction | Color |
|---|---|---|
| X | Right | Red |
| Y | Up | Green |
| Z | Out of screen (+Z toward viewer) | Blue |