To change layer settings, click the Layer Settings button or right click on a layer and select Settings in the popup menu. The same dialog box as for creating a new layer will be displayed. Change the settings and click OK.
Does the same thing Color
For organization purposes only. Examples are to choose the same color for a layer and all its children or to attribute the color some meaning.
Same as the layer hide/show icon. See below for more information.
Does the same Same thing as the layer freeze/unfreeze icon. See below for more information.
Export Layer Pak
The layer's resources will be marked for use in the layer switching system for fast streaming. See Layer Streaming.
This The layer will be loaded by defaultat startup even if it is not visible. See Layer Streaming.
When this checkbox is enabled, the layer will be stored as a separate .lyr file on disk, enabling better use of version control systems.
Export to Game
When this checkbox is enabled, the The layer will be exported to the game when you use File -> Export to engine.
Brushes Have Physics
Brushes within a layer with this disabled will not have physics. This is good for distance background objects to save on performance.
You can choose if you want the layer to only be exported to specific platforms. This is useful to have different assets or logic depending on your deployment target for performance reasons or for exclusivity.
Assigning Objects to Layers
Learn how to create, manage, and use layers to manage complex levels.