Physics Systems for Godot 4.x

Comprehensive patterns for physics, collisions, and movement in Godot 4.x.

Collision Layers and Masks (Godot 4.x Typed System)

Godot 4.x uses bit-based collision layer/mask system for efficient spatial queries.

Configuring Collision Layers

Set layers in the editor via Inspector > CollisionShape3D > Collision Layer (bits 1-32).