#GLSL OrangeBook - CH 18 - Gooch
vec3 LightPosition 0 10 4
vec3 SurfaceColor 0.2 0.2 0.2
vec3 WarmColor 0. 0.3 0.3
vec3 CoolColor 0 0 0.6
float DiffuseWarm 0.45
float DiffuseCool 1 