Material Group allows designers to associate mesh materials and terrain layers on any number of game objects into groups, and modify them at the same time.A simple and effective editor extension to manage material groups.Add a simple component to any game object, and associate the mesh materials or terrain layers with group "slots." All materials and terrain layers can be modified together, giving the ability to store and recall separate themes.Modify material themes in editor or at runtime.Supports modification of both materials and terrain layers.