forked from: RGB Separater

/**
 * Copyright kenta ( http://wonderfl.net/user/kenta )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/kvpP
 */

package {
    import flash.display.Sprite;
    import flash.events.*;

    public class SpriteExample extends Sprite {
        private var size:uint    = 100;
        private var bgColor:uint = 0xFFCC00;

        public function SpriteExample() {
            var child:Sprite = new Sprite();
            child.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownHandler);
            child.addEventListener(MouseEvent.MOUSE_UP, mouseUpHandler);
                       addChild(child);
        }

        private function mouseDownHandler(event:MouseEvent):void {
            trace("mouseDownHandler");
            var sprite:Sprite = Sprite(event.target);
            sprite.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
            sprite.startDrag();
        }

        private function mouseUpHandler(event:MouseEvent):void {
            trace("mouseUpHandler");
            var sprite:Sprite = Sprite(event.target);
            sprite.removeEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
            sprite.stopDrag();
        }

        private function mouseMoveHandler(event:MouseEvent):void {
            trace("mouseMoveHandler");
            event.updateAfterEvent();
        }

        private function draw(sprite:Sprite):void {
            sprite.graphics.beginFill(bgColor);
            sprite.graphics.drawRect(0, 0, size, size);
            sprite.graphics.endFill();
        }
    }
}