test level 1+ orange/white

by kunzo 21 Dec 2008

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// forked from kunzo's test level 1+
// forked from kunzo's test level 1
// write as3 code here..
package
{
  import flash.display.MovieClip;
  import flash.display.Sprite;
  import flash.display.Shape;
  import flash.events.Event;

  public class Main extends MovieClip
  {
    private const BG_COLOR = 0xFF9900;
    private const SCALE_IR:Number = 1.05;
    private const ALPHA_DD:Number = 0.1;
    private const MAX_CHILDREN:uint = 100;
    
    private var animationContainer:Sprite = new Sprite();
    private var prevX:Number = 0;

    public function Main():void
    {
        addChild(animationContainer);
        buildBG(BG_COLOR);
        addEventListener(Event.ENTER_FRAME, animate);
    }

    private function animate(e:Event):void
    {
      var radius:Number = Math.floor((Math.random() * stage.stageWidth) / 4);
      if(this.mouseX != prevX) makeCircle(this.mouseX, this.mouseY, radius);      
      else makeCircle(Math.random() * stage.stageWidth, Math.random() * stage.stageHeight, radius);
      prevX = this.mouseX;

      for(var i:uint = 0; i < animationContainer.numChildren; i++)
      {
        var shape:Shape = animationContainer.getChildAt(i) as Shape;
        if(shape)
        {
          shape.alpha -= ALPHA_DD;
          if(shape.alpha <= 0) animationContainer.removeChildAt(i);
          else shape.scaleX = shape.scaleY = shape.scaleX * SCALE_IR;
        }
      }

      if(animationContainer.numChildren > MAX_CHILDREN) removeEventListener(e.type, arguments.callee);
    }

    private function makeCircle(x:Number = 10, y:Number = 10, radius:Number = 10, color:Number = 0):void
    {
      var shape:Shape = new Shape();
      shape.graphics.beginFill(0xFFFFFF);
      // shape.graphics.lineStyle(0, color);
      shape.graphics.drawCircle(0, 0, radius);
      shape.graphics.endFill();
      shape.x = x;
      shape.y = y;
      animationContainer.addChild(shape);
    }

    private function getRandomColor(rMax:uint = 255, gMax:uint = 255, bMax:uint = 255):Number
    {
      var r:Number = Math.random() * rMax;
      var g:Number = Math.random() * gMax;
      var b:Number = Math.random() * bMax;
      return r<<16 | g<<8 | b;
    }

    private function buildBG(color:Number):void
    {
        var shape:Shape = new Shape();
        shape.graphics.beginFill(color);
        shape.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
        shape.graphics.endFill();
        addChildAt(shape, 0);
    }

  }
}