The light object indicates the light color and direction. The light is a screen-space object that rotates with the camera.
Hold the 'V' key and move the mouse to rotate the light.
The diffuse color of the scene light.
The ambient color of the scene light.
The specular color of the scene light.
Scale the light brightness to simulate outdoor lighting.
Match scene light scalars from the SpeedTree Reference App by altering this value
The X,Y, and Z components of the Rotation: Angle.
The amount of rotation around the rotation angle.