Experimenting with Three.js shaders and the ShaderMaterial

Lately when using Three.js I have needed some very specific material qualities that the built in Three.js materials did not allow for so I have started experimenting with the Three.ShaderMaterial. This material allows you to write you own GLSL shaders for Three.js. My hope is that I can get a good understanding of GLSL and implement some of my own shaders and materials in Three.js even with my.....