Class that has everything pertaining to a 2D world. Class that has everything pertaining to a 2D world. A physics space, a visual scenario and a sound space. 2D nodes register their resources into the current 2D world. https://docs.godotengine.org/en/latest/tutorials/physics/ray-casting.html The [RID] of this world's canvas resource. Used by the [VisualServer] for 2D drawing. Direct access to the world's physics 2D space state. Used for querying current and potential collisions. Must only be accessed from the main thread within [code]_physics_process(delta)[/code]. The [RID] of this world's physics space resource. Used by the [Physics2DServer] for 2D physics, treating it as both a space and an area.