forked from: forked from: flash on 2009-7-15

by smac1818 31 Mar 2012

• Forked from LawrieCape's forked from: flash on 2009-7-15
• Diff: 7
• Related works: 2
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/**
 * Copyright smac1818 ( http://wonderfl.net/user/smac1818 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/ud8E
 */

// forked from LawrieCape's forked from: flash on 2009-7-15
// forked from mtarbit's flash on 2009-7-15
package {
        import gs.*;
    import flash.display.Sprite;
    import flash.display.MovieClip;
    import flash.display.DisplayObject;
    import flash.text.TextField;
    import flash.text.TextFormat;
    import flash.events.Event;
    import flash.events.MouseEvent;
        import flash.display.BitmapData;
        import flash.display.Bitmap;
        import flash.filters.BlurFilter;
        import flash.geom.Point;

    [SWF(backgroundColor=0x222222, frameRate=150)]
    
    public class Main extends Sprite {
        public var mouseIsDown:Boolean = false;

                public var BMD:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0xFF000000);
                public var b:Bitmap = new Bitmap(BMD);
                public var bf:BlurFilter = new BlurFilter(2, 2, 1);
        public var maxCircles:int = 250;
        public var circles:MovieClip = new MovieClip();
        

                public var mouseXSpeed:Number = 0;
                public var mouseYSpeed:Number = 0;
        
                public var mouseXPrev:Number  = 0;
                public var mouseYPrev:Number  = 0;

        public function Main() {
                        addChild(b)
            var format:TextFormat = new TextFormat();
            format.bold = true;
            format.size = 50;
            format.align = 'center';
            format.font = "Wingdings";
                        format.color = 0xFEEEEEE;

            var field:TextField = new TextField();
            field.width = stage.stageWidth;
            field.text = "Hello";
            field.setTextFormat(format);
                        field.selectable = false;

            field.x = (stage.stageWidth - field.width) / 2;
            field.y = (stage.stageHeight - field.height) / 2;

            addChild(field);
            addChild(circles);

            stage.addEventListener(MouseEvent.MOUSE_DOWN, onDown);
            stage.addEventListener(MouseEvent.MOUSE_MOVE, onMove);
            stage.addEventListener(MouseEvent.MOUSE_UP, onUp);
            stage.addEventListener(Event.ENTER_FRAME, onLoop);
                }

        public function newCircle(x:int, y:int):void {
            var color:uint = (Math.random() * 0xffffff);
            var radius:uint = 5 + Math.round(45 * Math.random());
            var circle:MovieClip = new MovieClip();

            circle.x = x;
            circle.y = y;
                        
                        circle.scaleX = circle.scaleY = 0;
                        
                        TweenLite.to(circle, 0.5,{scaleX:2, scaleY:1})
                            
                        circle.speedX = mouseXSpeed
                        circle.speedY = mouseYSpeed
                        
            circle.graphics.beginFill(color, 1);
            circle.graphics.drawCircle(0, 0, radius);

            circles.addChild(circle);
        }

        public function moveCircle(circle:*, n:int):void {
            
                        circle.alpha = 1 - (n / maxCircles);
            if (circle.alpha <= 0) {
                circle.parent.removeChild(circle);
            }
            if ((circle.y < stage.stageHeight)&&(circle.y > 0)&&(circle.x < stage.stageWidth)&&(circle.x>0)) {
                circle.y += circle.speedY;
                                circle.x += circle.speedX;
            }
                        else{
                            TweenLite.to(circle,5,{scaleX:0,scaleY:0});
                        }
        }

        public function onDown(event:MouseEvent):void {
            mouseIsDown = true;
        }
        public function onMove(event:MouseEvent):void {
                        mouseXSpeed = mouseX - mouseXPrev;
                    mouseYSpeed = mouseY - mouseYPrev;
        
                    mouseXPrev  = mouseX;
                    mouseYPrev  = mouseY;
    
            if (mouseIsDown) newCircle(mouseX, mouseY);
        }
        public function onUp(event:MouseEvent):void {
            mouseIsDown = false;
        }

        public function onLoop(event:Event):void {
                        BMD.draw(this);
                        BMD.applyFilter(BMD, BMD.rect, new Point(0,0), bf);                     
            var n:int = circles.numChildren;
            for (var i:int = (n-1); i>=0; i--) {
                moveCircle(circles.getChildAt(i), n-i);
            }
        }

    }

}