線を引く

/**
 * Copyright 084 ( http://wonderfl.net/user/084 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/fLjp
 */

package {
import flash.display.Sprite;
import flash.events.MouseEvent;
	public class DrawingApp extends Sprite {
		public function DrawingApp() {
			init();
		}
		private function init():void {
			graphics.lineStyle(1);
			stage.addEventListener(MouseEvent.MOUSE_DOWN, onDown);
			stage.addEventListener(MouseEvent.MOUSE_UP, onUp);
		}
			private function onDown(event:MouseEvent):void {
				graphics.moveTo(mouseX, mouseY);
				stage.addEventListener(MouseEvent.MOUSE_MOVE, onMove);
			}
			private function onUp(event:MouseEvent):void {
				stage.removeEventListener(MouseEvent.MOUSE_MOVE, onMove);
			}
			private function onMove(event:MouseEvent):void {
				graphics.lineTo(mouseX, mouseY);
			}
		}
	}