Material Capture for Godot Engine

Material captures allow the simulation of different materials cheaply. This is useful for mobile platforms.

The mat cap shader is both in Visual Shader and text shader format.

Donated by IMVU, Inc.

Sources:

• https://gameenginebread.blogspot.com/2018/07/matcap-material.html
• https://godotengine.org/asset-library/asset/123
• https://github.com/Arthuralk/MatCap
• Environment from https://github.com/fire/godot-realistic-water
• https://devtalk.blender.org/t/call-for-content-matcaps