bubble with bezier curve of Tweener (090226)

by OneInchPunch 11 Jun 2009

Embed

package {
	import flash.events.*;
	import flash.display.*;
	import flash.geom.*;
	import flash.filters.*;
	import flash.utils.*;
	import caurina.transitions.Tweener;
	import caurina.transitions.properties.CurveModifiers;
	
       [SWF(backgroundColor="#000000", frameRate=30)]

	public class bezier extends MovieClip {
		
		private var stageW:Number = stage.stageWidth;
		private var stageH:Number = stage.stageHeight;

		public function bezier() {
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP_LEFT;
			
			CurveModifiers.init();
			
			var dotTimer:Timer = new Timer(50);
			dotTimer.addEventListener("timer", drawDot);
			dotTimer.start();

                        // take a capture after 30 sec
                        Wonderfl.capture_delay( 30 );
		}
		
		
		public function drawDot(event:TimerEvent):void {
			
			var dotSize:Number = Math.random()*5;
			var dotColor:Number = Math.random()*(0xffffff);
			
			// ドット作成
			var dot:Sprite = new Sprite();
			dot.graphics.beginFill(dotColor);
			dot.graphics.drawCircle(0, 0, dotSize);
			dot.graphics.endFill();
			
			// ドットのMC
			var dot_mc:MovieClip = new MovieClip();
			dot_mc.x = 15;
			dot_mc.y = stageH/2;
			dot_mc.alpha = 0.2;
			dot_mc.addChild(dot);
			
			addChild(dot_mc);
			
			xMove(dot_mc, dotColor);
		}
		
		
		public function xMove(dot_mc:MovieClip, dotColor:Number):void {
			
			// ベジェコントロールポイント用の乱数
			var bezierY:Number = Math.random()*stageH;
			
			// Tweenerのパラメータ
			Tweener.addTween(dot_mc, {
                        x:stageW-15,
                        y:stageH/2,
                        scaleX:dot_mc.width*1.5,
                        scaleY:dot_mc.height*1.5,
                        alpha:0.7,
                        _bezier:[{x:15, y:225}, {x:stageW/2, y:bezierY}, {x:stageW-15, y:225}],
                        time:30,
                        transition:"linear",
                        onComplete:xEnd,
                        onCompleteParams:[dot_mc]
                        });
			
                        // Tween終了時にMCを消す
			function xEnd(targetDot:MovieClip):void {
				removeChild(targetDot);
			}
		}
	}
}