Class that has everything pertaining to a world. Class that has everything pertaining to a world. A physics space, a visual scenario, a navigation map and a sound space. Spatial nodes register their resources into the current world. $DOCS_URL/tutorials/physics/ray-casting.md Direct access to the world's physics 3D space state. Used for querying current and potential collisions. The World's [Environment3D]. The World's fallback_environment will be used if the World's [Environment3D] fails or is missing. The [RID] of this world's navigation map. Used by the [NavigationServer]. The World's visual scenario. The World's physics space. The [RID] of this world's vertex light 3d space resource. Used by the [VertexLights3DServer] for static 3D lights. If the vertex lights 3d module is not enabled this will just return an empty RID.