model_devtools_fs.glsl

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/**
 * @file
 * @brief Developer tools for battlescape model fragment shader.
 */

vec4 ApplyDeveloperTools(vec4 color, vec3 sunDirection, vec3 normalmap) {
   vec4 finalColor = color;
   vec3 lightVec = normalize(sunDirection);

#if r_debug_normals
   finalColor.rgb = finalColor.rgb * 0.01 + dot(sunDirection, normalmap);
   finalColor.a = 1.0;
#endif

#if r_debug_tangents
   finalColor.rgb = finalColor.rgb * 0.01 + sunDirection;
   finalColor.a = 1.0;
#endif

   return finalColor;
}