green2

ポインタ位置についてくる

by Scmiz 16 Jun 2011

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

package {
	import adobe.utils.ProductManager;
	import flash.display.Graphics;
    import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.MouseEvent;
    public class FlashTest extends Sprite {
		private var _rotate:Number;
		private var _isFast:Boolean;
		
        public function FlashTest() {
			_rotate = 0;
			_isFast = false;
            
			this.addEventListener(Event.ENTER_FRAME, proc);
			stage.addEventListener(MouseEvent.MOUSE_DOWN, onDown);
			stage.addEventListener(MouseEvent.MOUSE_UP, onUp);
        }
		
		private function onDown(e:MouseEvent):void {
			_isFast = true;
		}
		private function onUp(e:MouseEvent):void {
			_isFast = false;
		}
		
		private function proc(e:Event):void {
			_rotate += Math.PI * 2 * ((_isFast) ? 0.005 : 0.001);
			
			var g:Graphics = this.graphics;
			g.clear();
			
			g.beginFill(0x000000);
			g.drawRect(0, 0, 465, 465);
			g.endFill();
			
			g.lineStyle(3, 0x80ff80);
			var calcX:Function = function(ratio:Number):Number {
				return mouseX + (600 * Math.cos(_rotate + (Math.PI * 2.0 * ratio)));
			};
			var calcY:Function = function(ratio:Number):Number {
				return mouseY + (600 * Math.sin(_rotate + (Math.PI * 2.0 * ratio)));
			};
			g.moveTo(calcX(0.00), calcY(0.00));
			g.lineTo(calcX(0.50), calcY(0.50));
			g.moveTo(calcX(0.25), calcY(0.25));
			g.lineTo(calcX(0.75), calcY(0.75));
			
			g.beginFill(0x000000);
			g.drawCircle(mouseX, mouseY, 50);
			g.endFill();
			
			for (var index:uint = 0; index < 4; ++index) {
				var rad:Number = _rotate + (Math.PI * 0.5 * index);
				
				for (var count:uint = 0; count < 10; ++count) {
					var length:Number = 50 + (Math.random() * 600);
					var dot:Dot = new Dot();
					dot.x = mouseX + (length * Math.cos(rad));
					dot.y = mouseY + (length * Math.sin(rad));
					this.addChild(dot);
				}
			}
		}
    }
}

import flash.display.Sprite;
import caurina.transitions.Tweener;

class Dot extends Sprite {
	public function Dot():void {
		this.graphics.beginFill(0x80ff80);
		this.graphics.drawCircle(0, 0, 2);
		this.graphics.endFill();
		
		Tweener.addTween(this,
		{
			alpha:0,
			time:60,
			useFrames:true,
			onComplete:onEnd
		}
		);
	}
	
	private function onEnd():void {
		parent.removeChild(this);
	}
}