Light

new Cesium.Light()

A light source. This type describes an interface and is not intended to be instantiated directly. Together, color and intensity produce a high-dynamic-range light color. intensity can also be used individually to dim or brighten the light without changing the hue.
See:

Members

The color of the light.

intensity : Number

The intensity controls the strength of the light. intensity has a minimum value of 0.0 and no maximum value.