Game Development Reference
However, a problem might come up. When dealing with a Lerp , you can only have a
black-and-white channel to drive the alpha, so you will need to plug the red, green,
or blue channels of the cloud textures into the Add variable, instead of the enire
15. The previous screenshot is the result that you should achieve with these updates. A
lot closer to more realisic clouds. However, there is one big issue. If you look at the
clouds before this last change, there is not a lot of detail; however, it does not glow.
This last step amplified the colors, and the more they are apart from each other
(currently by a total of four) the more extreme they become, and the ighter the
shadows and light areas are.