Sets a global color property for all shaders.
Properties
block).Usually this is used if you have a set of custom shaders that all use
the same "global" color (for example, color of the sun). Then you can
set the global property from script and don't have to setup the same color
in all materials.See Also: SetGlobalFloat, SetGlobalVector, SetGlobalTexture; Material class, ShaderLab documentation.