Is it possible for the Crystal_TimeCycle() method to exclude specific objects or instances from being affected?
Viewing post in Crystal - 2D Lighting Engine comments
See: 2. When a transparent object passes over another, it occludes
"If you are using shader_set(),
you may have to do the alpha test manually within the fragment shader. This is because GameMaker does not add the DoAlphaTest()
function to the shader internally"