set_emission
Description:
Sets the material's emissive color, in the standard OpenGL lighting model.
Note:
Use the CoglSnippet shader api for lighting
It will look like the surface is a light source emitting this color.
The default value is (0.0, 0.0, 0.0, 1.0)
Parameters:
| this |
A |
| emission |
The components of the desired emissive color |