package  {
	import com.flashdynamix.motion.TweensyGroup;
	import fl.motion.easing.Bounce;
	import fl.motion.easing.Elastic;
	import fl.motion.easing.Linear;
	import fl.motion.easing.Quadratic;
	import flash.display.Graphics;
	import flash.display.Sprite;
	import flash.text.TextField;
	import flash.text.TextFieldAutoSize;
	import flash.text.TextFormat;

	[SWF(backgroundColor = 0x000000, width = 600, height = 400, frameRate = 30)]
	public class TestTweensy_11 extends Sprite {

		private var _arrow:Sprite;
		private var _textField:TextField;

		public function TestTweensy_11() {
			initArrow();
			initTextField();

			startTweensyGroup();
		}

		private function initArrow():void {
			_arrow = createArrow();
			_arrow.x = stage.stageWidth / 2;
			_arrow.y = stage.stageHeight / 2;
			addChild(_arrow);
		}

		private function createArrow():Sprite {
			var arrow:Sprite = new Sprite();
			var graphics:Graphics = arrow.graphics;
			var commands:Vector. = new Vector.(8, true);
			var data:Vector. = new Vector.(16, true);

			commands[0] = 1;
			commands[1] = commands[2] = commands[3] = commands[4] = commands[5] = commands[6] = commands[7] = 2;
			data[0] = 10; data[1] = 0;
			data[2] = 0; data[3] = -10;
			data[4] = 0; data[5] = -5;
			data[6] = -10; data[7] = -5;
			data[8] = -10; data[9] = 5;
			data[10] = 0; data[11] = 5;
			data[12] = 0; data[13] = 10;
			data[14] = 10; data[15] = 0;

			graphics.beginFill(0x0099cc);
			graphics.drawPath(commands, data);
			graphics.endFill();

			return arrow;
		}

		private function initTextField():void{
			_textField = createTextField();
			_textField.x = 10;
			_textField.y = 10;
			addChild(_textField);
		}

		private function createTextField():TextField {
			var textField:TextField = new TextField();
			var textFormat:TextFormat = new TextFormat('_等幅', 10, 0xffffff);

			textField.defaultTextFormat = textFormat;
			textField.autoSize = TextFieldAutoSize.LEFT;

			return textField;
		}

		private function startTweensyGroup():void {
			var tweensyGroup:TweensyGroup = new TweensyGroup();
			var targetX:Number = Math.random() * stage.stageWidth;
			var targetY:Number = Math.random() * stage.stageHeight;
			var targetRotation:Number = Math.atan2(targetY - _arrow.y, targetX - _arrow.x) / Math.PI * 180;

			tweensyGroup.slideTo(_arrow, targetX, targetY, 3, Quadratic.easeInOut, 1);
			tweensyGroup.scaleTo(_arrow, 1 + Math.random() * 4, 2, Bounce.easeOut, 2);
			tweensyGroup.rotateTo(_arrow, targetRotation, 4, Elastic.easeOut);
			tweensyGroup.alphaTo(_arrow, 0.5 + Math.random() * 0.5, 1, Linear.easeNone, 3);

			tweensyGroup.onUpdate = onTweensyGroupUpdate;
			tweensyGroup.onComplete = onTweensyGroupComplete;
		}

		private function onTweensyGroupUpdate():void{
			var text:String = '';

			text += '_arrow.x = ' + _arrow.x + '\n';
			text += '_arrow.y = ' + _arrow.y + '\n';
			text += '_arrow.scaleX = ' + _arrow.scaleX + '\n';
			text += '_arrow.scaleY = ' + _arrow.scaleY + '\n';
			text += '_arrow.rotation = ' + _arrow.rotation + '\n';
			text += '_arrow.alpha = ' + _arrow.alpha;

			_textField.text = text;
		}

		private function onTweensyGroupComplete():void{
			startTweensyGroup();
		}


	}

}