Sha256: d5718a3b101307c16c23be0933af9139a027eaa4803f5bba7c9a06ea94b99401
Contents?: true
Size: 975 Bytes
Versions: 18
Compression:
Stored size: 975 Bytes
Contents
void main(inout vec4 ambient, inout vec4 diffuse, inout vec4 specular) {
// ambient was applied by the basic shader; applying it again will simply brighten some fragments
// beyond their proper ambient value. So, we really need to apply the bump shader ONLY to diffuse+specular.
if (PASS_TYPE != <%=Jax.Scene.AMBIENT_PASS%>) {
vec3 nLightDir = normalize(vLightDir);
vec3 nEyeDir = normalize(vEyeDir);
vec4 color = texture2D(NormalMap, vTexCoords);
vec3 map = //nMatrix *
normalize(color.xyz * 2.0 - 1.0);
float litColor = max(dot(map, nLightDir), 0.0) * vAttenuation;
// specular
vec3 reflectDir = reflect(nLightDir, map);
float spec = max(dot(nEyeDir, reflectDir), 0.0);
spec = pow(spec, materialShininess);
// Treat alpha in the normal map as a specular map; if it's unused it will be 1 and this
// won't matter.
spec *= color.a;
diffuse *= litColor;
specular *= spec;
}
}
Version data entries
18 entries across 18 versions & 1 rubygems