Forked from:: terra1119's forked from: forked from: flash on 2009-12-3

forked from: forked from: forked from: flash on 2009-12-3

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license : MIT License
modified : 2010-01-13 15:05:44

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// forked from terra1119's forked from: forked from: flash on 2009-12-3
// forked from terra1119's forked from: flash on 2009-12-3
// forked from terra1119's flash on 2009-12-3
package {
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;

public class Easing2 extends Sprite {
		
		private var ball:Ball;
		private var easing:Number = 0.2;
		private var targetX:Number = stage.stageWidth / 2;
		private var targetY:Number = stage.stageHeight / 2;
		
		public function Easing2() {
			init();
		}
		
		private function init():void
		{
			ball = new Ball();
			addChild(ball);
			ball.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onMouseDown(e:MouseEvent):void 
		{
			ball.startDrag();
			removeEventListener(Event.ENTER_FRAME, onEnterFrame);
			stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
		}
		
		private function onMouseUp(e:MouseEvent):void 
		{
			ball.stopDrag();
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
			stage.removeEventListener(MouseEvent.MOUSE_UP, onMouseUp);
		}
		
		private function onEnterFrame(e:Event):void 
		{
			var vx:Number = (targetX - ball.x) * easing;
			var vy:Number = (targetY - ball.y) * easing;
			ball.x += vx;
			ball.y += vy;
		}
		
    }
}
import flash.display.Sprite;
class Ball extends Sprite {
	public var radius:Number;
	public var color:uint;
	public var vx:Number;
	public var vy:Number;
	
	public function Ball(radius:Number=40,color:uint=0xff0000){
		this.radius = radius;
		this.color = color;
		init();
	}
		
	private function init():void{
		graphics.beginFill(color);
		graphics.drawCircle(0, 0, radius);
		graphics.endFill();
	}
}

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