fstl/gl/mesh.frag
2014-03-13 06:17:51 -07:00

15 lines
466 B
GLSL

#version 120
varying vec3 ec_pos;
void main() {
vec3 base3 = vec3(0.99, 0.96, 0.89);
vec3 base2 = vec3(0.92, 0.91, 0.83);
vec3 base00 = vec3(0.40, 0.48, 0.51);
vec3 ec_normal = normalize(cross(dFdx(ec_pos), dFdy(ec_pos)));
float a = dot(ec_normal, vec3(0.0, 0.0, 1.0));
float b = dot(ec_normal, vec3(-0.57, -0.57, 0.57));
gl_FragColor = vec4((a*base2 + (1-a)*base00)*0.5 +
(b*base3 + (1-b)*base00)*0.5, 1.0);
}