Sets or returns the rate at which trails and line drawings fade each time the Screen object is updated. Must be a value between 0 and 1. Read/write Double.
The FadeMode property must be set to True for the FadeRate property to take effect.
An affected pixel's intensity fades by an amount equal to fade rate times the initial pixel intensity. A value of 0 turns fading off. A value of 1 clears the background every time step. A value of .1 would cause an affected pixel to fade completely in 10 simulation time steps.
The Screen object can be updated by calling the Update Method.
The Screen object is updated automatically at the termination of the OnSimBegin, OnSimStep, and OnSimEnd events.
The following example sets the fade rate for line drawing.
World.Screen.FadeRate = .02
World.Screen.FadeMode = True