SSS Screen Space Reflections Settings Directional Lights Quality Quantity of samples used to create directional light shadows ( Sun and Moon ). More samples improve the definition of shadows. [ 6 - 12 - 18 - 24 ] Omni Lights Quality Quantity of samples used to create omni lights shadows ( Bulbs, Bonfires, etc. ). More samples improve the definition of shadows. [ 2 - 4 - 6 - 8 ] Enable Directional Lights Shadows Enable/Disable screen space shadows for directional lights. ( Sun and Moon ) Enable Omni Lights Shadows Enable/Disable screen space shadows for omni-directional lights. ( Bulbs, Bonfires, etc. ) Lenght of Directional Lights Shadows Adjust the maximum lenght of directional shadows. Lenght of Omni Lights Shadows Adjust the maximum lenght of all omni-directional shadows.