Masks

Masks : Sprite : Development Flash / Flex / ActionScript examples

Masks


 
package
{
    import flash.display.*;
    import flash.events.Event;
    public class Main extends Sprite
    {
        private var circle:Shape;
        private var vBox:Shape;
        private var up:Boolean = false;

        public function Main()
        {
            super();
            stage.scaleMode = "noScale";
            circle = new Shape();
            circle.graphics.beginFill(0xFF6600, 1);

            circle.graphics.drawCircle(250, 250, 250);
            vBox = new Shape();
            vBox.graphics.beginFill(0x000000, 1);
            vBox.graphics.drawRect(0, 0, 1000, 20);
            circle.mask = vBox;
            addChild(vBox);
            addChild(circle);

            addEventListener(Event.ENTER_FRAME, scrollVertBox);
        }

        private function scrollVertBox(event:Event):void
        {
            if(up)
            {
                vBox.y -= 2;
            } else {
                vBox.y += 2;
            }

            if(vBox.y > 520)
            {
                up = true;
            }
            if(vBox.y < 0)
            {
                up = true;
            }
        }
    }
}

Masks : Sprite : Development Flash / Flex / ActionScript examples

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