The author provides some details here: https://github.com/mattdesl/kami-demos/tree/master/src/normals-pixel https://github.com/mattdesl/kami-demos/tree/master/s

The author provides some details here: https://github.com/mattdesl/kami-demos/tree/master/src/normals-pixel https://github.com/mattdesl/kami-demos/tree/master/src/norma... And goes into more technical detail here: https://github.com/mattdesl/lwjgl-basics/wiki/ShaderLesson6 https://github.com/mattdesl/lwjgl-basics/wiki/ShaderLesson6