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.html 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.