In this area you can manage different groups of layers including the physics layer.
By clicking on the three buttons, you can add images and sound resources to the map.
Layer management area, here is responsible for managing the map's layer groups and layers, as well as the invocation of the mapping material, picture material, and sound material.
Pressing {{key press|→}} will also switch to the image management interface, or pressing {{key press|←}} will switch to the sound management interface
