code on 2009-1-10

by 5TonsOfFlax 09 Jan 2009

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// write as3 code here..
package {
 import flash.display.Sprite;
 import flash.events.MouseEvent;

  public class Main extends Sprite{
    private var cc:uint; //color
    private var lastx:int;
    private var lasty:int;
    private var splatThreshhold:Number = 0.1;
    private var sizeconst:int = 50;

    public function Main(){
       cc = randomColor();
       lastx = stage.mouseX;
       lasty = stage.mouseY;
       stage.addEventListener(MouseEvent.MOUSE_MOVE, mmove);
       stage.addEventListener(MouseEvent.CLICK, mclick);
       mclick();
    }

    private function randomColor():uint{
      return uint(Math.random()*0xffffff);
    }

    private function mmove(evt:MouseEvent):void{
       setStyle();
       graphics.moveTo(lastx, lasty);
       graphics.lineTo(evt.stageX, evt.stageY);
       lastx = evt.stageX;
       lasty = evt.stageY;
       if (Math.random() < splatThreshhold){
         splat();
       }
    }

    private function mclick(evt:MouseEvent = null):void{
      cc = randomColor();
    }

    private function setStyle():void{
      var sqdist:Number = (lastx - stage.mouseX)*(lastx - stage.mouseX) + (lasty - stage.mouseY)*(lasty - stage.mouseY);
      graphics.lineStyle(sizeconst/Math.sqrt(sqdist), cc);
      //graphics.lineStyle(0.1, cc);
    }  

    private function splat():void{
       graphics.beginFill(cc);
       var xoff:int = int(Math.random()*30) - 15;
       var yoff:int = int(Math.random()*30) - 15;
       graphics.drawCircle(stage.mouseX + xoff, stage.mouseY + yoff, 3)
       graphics.endFill();
   
    }    
  }
}