Bevy 3D world building (docs-first stub)

Not a full port. Docs-first stub. Godot counterpart: godot-3d-world-building.

When to use

Load this when placing meshes, lights, and colliders into a level. Scene spawn mechanics stay on bevy-asset-scenes. Physics bodies stay on bevy-physics-3d.

ECS shape

• Spawn: entities with transforms and render components. bevy_mesh provides a mesh format. Mesh primitive constructors were not opened.
• Scenes: bevy_scene and bevy_gltf are features. Spawn details are on bevy-asset-scenes (AssetServer, scene spawn).
• Lights: place them using bevy-3d-lighting.
• Systems: level streaming is your state plus asset handles. No streaming type was opened.

Godot idea to Bevy idiom