//    Instruction Example :      gradient.rotation.stack (float,float,float,long)


        screen.resolution.set (512,384)

        screen.set (BACK)
          pattern.display ("avo\bubble.gif")
        screen.end ()

        gradient.rotation.stack (0.5,0.6,45.3,UP)
        gradient.display (RIGHT,4,80,20,0,200,180,20,CENTER,CENTER,320,240)

        text.display ("Press a key to exit.",CENTER,350)

        keyboard.wait ()

        script.stop ()