lighting-intensity-ambient-high.png lighting-intensity-ambient-low.png lighting-intensity-diffuse-high.png lighting-intensity-diffuse-low.png lighting-reflectivity-diffuse-high.png lighting-reflectivity-diffuse-low.png lighting-reflectivity-specular-high.png lighting-reflectivity-specular-low.png lighting-reflectivity-highlight-high.png lighting-reflectivity-highlight-low.png