
# Perform the Effect, assume clip1 & clip2 are supplied
black = BlankClip(width=clip1.Width,height=clip1.Height,color=color_black,length=clip1.FrameCount, fps=clip1.FrameRate, pixel_type="yv12")

slide1 = MoveOverlay(black, clip1, y_start=0, y_end=clip1.Height)
trans = MoveOverlay(slide1, clip2, y_start=-clip1.Width, y_end=0)

