openmw-tes3coop/files/shaders/parallax.glsl
2016-03-22 21:46:15 +01:00

8 lines
261 B
GLSL

#define PARALLAX_SCALE 0.04
#define PARALLAX_BIAS -0.02
vec2 getParallaxOffset(vec3 eyeDir, mat3 tbn, float height)
{
vec3 TSeyeDir = normalize((vec4(normalize(tbn * eyeDir),0)).xyz);
return TSeyeDir.xy * ( height * PARALLAX_SCALE + PARALLAX_BIAS );
}