flak_m/shaders/glsl/MeshEnviroMap.fp

8 lines
323 B
GLSL

// imitation of the Unreal Engine 1.x bMeshEnviroMap effect, not 1:1 but gets close
void SetupMaterial( inout Material mat )
{
vec3 eyedir = normalize(uCameraPos.xyz-pixelpos.xyz);
vec3 norm = reflect(eyedir,normalize(vWorldNormal.xyz));
mat.Base = getTexel(norm.xz*.5+.5);
mat.Normal = ApplyNormalMap(vTexCoord.st);
}