Create panel > Lights > Create a light. > Shadow Parameters rollout
The Shadow Parameters rollout is displayed for all light types except Skylight and IES Sky, and for all shadow types. It lets you can set shadow colors and other general shadow properties.
This rollout also lets the light cast shadows in atmospheres.
Color—Displays a Color Selector to choose a color for the shadows cast by this light. Default=black.
You can animate the shadow color.
Dens. (density)—Adjusts the density of shadows.
Increasing the Density value increases the density (darkness) of shadows. Decreasing Density makes shadows less dense. Default=1.0.
Density can have a negative value, which can help simulate the effect of reflected light. A white shadow color and negative Density render dark shadows, though the quality of these is not as good as a dark shadow color and positive Density.
You can animate the Density value.
Map check box—Turn on to use the map assigned with the Map button. Default=off.
Map—Assigns a map to the shadows. The map's colors are blended with the shadow color. Default=none.
Light Affects Shadow Color—When on, blends the light's color with the shadow color (or shadow colors, if the shadow is mapped). Default=off.
These controls let atmospheric effects cast shadows.
On—When on, atmospheric effects cast shadows as the light passes through them. Default=off.
Note: This control is independent of the On toggle for normal Object Shadows. A light can cast atmospheric shadows but not normal shadows, or vice versa. It can cast both kinds of shadows, or neither.
Opacity—Adjusts the opacity of the shadows. This value is a percentage. Default=100.0.
Color Amount—Adjusts the amount that the atmosphere's color is blended with the shadow color. This value is a percentage. Default=100.0.
