This is an effect that imitates a curtain opening or closing across your grid.
Direction: Selects the direction of the movement action.
Iterations: The number of times the pattern repeats over the duration of the effect
Edge: Selects the position where the curtain opens from.
Swag: Controls the amount of swag on the moving curtain edge. (simulating the inertial curving movement of drapery in motion)
Color Gradient: The color of the curtain
Intensity: Adjusts the overall brightness envelope over the duration of the effect