Mouse move effect

...
@author pixelDevil

by PixelDevil 19 Aug 2009

Tags

Bitmap BitmapData MouseEffect effect event mouse move particle particles pixelDevil souris
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/**
 * Copyright PixelDevil ( http://wonderfl.net/user/PixelDevil )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/iwsv
 */

package {
	
	import flash.display.Sprite;
	import flash.display.Stage;
	import flash.ui.Mouse;
	import flash.events.MouseEvent;
	import flash.events.Event;
	import flash.display.*;
	import flash.display.BitmapData;
	import flash.display.MovieClip;
	import flash.display.Bitmap;
	/**
	 * ...
	 * @author pixelDevil
	 */
	public class  MouseEffect extends Sprite   {
/*creating a new shape*/
		var blackShape:Shape;
		
// CONSTRUCTOR
		public function MouseEffect ():void {
			stage.addEventListener(MouseEvent.MOUSE_MOVE, startTrailer);
		}
		
		private function startTrailer(e:MouseEvent):void {
    
/* Create a new blackShape object */ 
		    blackShape= new Shape();
		    blackShape.graphics.beginFill(0x00000);  // color balck
                    blackShape.graphics.drawRect(0, 0, 10, 10);  // size 10x10
				
/* Position */
		    blackShape.x = mouseX + Math.random() * blackShape.width;
		    blackShape.y = mouseY - Math.random() * blackShape.height;
			
/* Add to Stage */
			stage.addChild(blackShape);

/* Add Listener to Animate function */
			blackShape.addEventListener(Event.ENTER_FRAME, animate);

		}
// FUNCTION ENTERFRAME
		private function animate(e:Event):void {

/* Alpha */
			e.currentTarget.alpha -= 0.05;

/* If blackShape is no longer visible, remove it */

			if (e.target.alpha <= 0){
				e.currentTarget.removeEventListener(Event.ENTER_FRAME, animate);
				stage.removeChild(e.currentTarget as Sprite);
				
			 }
/* Scale */
			e.currentTarget.scaleX -= 0.1;
			e.currentTarget.scaleY -= 0.1;
			
/* Y Position */
			e.currentTarget.y += 3;
		}
	}
}