Specifies the look of the environment. Color of the ambient light. Color of the background. Properties for the sky Time of day [0..24] Sunrise time [0..24] Sunset time [0..24] Sunset time [0..24] Speed of the clouds Direction of the cloud movement Density of clouds Average size of the clouds Ambient cloud color Enable/disable shadows Controls fog Fog color Fog type: constant, linear, quadratic Distance to start of fog Distance to end of fog Density of fog Enable/disable the grid