Control the color, scale, direction and speed of the primary surface foam. The primary foam will be chosen from the (R)ed channel of the foam texture. This allows you to pack different foam textures into a single texture. You can use the following tool for this.
https://github.com/andydbc/unity-texture-packer

The direction slider is a slider from 0 to 1 and controls a rotation between 0° and 360°.






















