package {
import flash.display.Sprite;
import flash.events.MouseEvent;
import flash.display.CapsStyle;
import flash.display.LineScaleMode;
public class JacsonkPollock extends Sprite {
private var jackson:Sprite;
private var prevX:int;
private var prevY:int;
private var startPosX:int;
private var startPosY:int;
private var disX:Number;
private var disY:Number;
private var color:uint;
public function JacsonkPollock() {
jackson = addChild(new Sprite()) as Sprite;
jackson.doubleClickEnabled=true;
stage.addEventListener(MouseEvent.MOUSE_MOVE, _move);
stage.addEventListener(MouseEvent.MOUSE_DOWN,_down);
stage.addEventListener(MouseEvent.DOUBLE_CLICK,onMouseDoubleClick);
}
private function onMouseDoubleClick(e:MouseEvent):void {
jackson.graphics.clear();
}
private function _down(e:MouseEvent):void {
color=Math.random()*0xFFFFFF;
}
private function _move(e:MouseEvent):void {
var distance:Number=Math.sqrt(Math.pow(prevX-startPosX,2)+Math.pow(prevY-startPosY,2));
var a:Number = distance * 10 * (Math.pow(Math.random(), 2) – 0.5);
var r:Number=Math.random()-0.5;
var size:Number=Math.random()*15/distance;
disX = (prevX – startPosX) * Math.sin(0.5) + startPosX;
disY = (prevY – startPosY) * Math.cos(0.5) + startPosY;
startPosX=prevX;
startPosY=prevY;
prevX=mouseX;
prevY=mouseY;
jackson.graphics.moveTo(startPosX, startPosY);
jackson.graphics.curveTo(disX,disY,prevX,prevY);
jackson.graphics.lineStyle(((Math.random()+20/10-0.5)*size+(1-Math.random()+30/20-0.5)*size), color,1, false, LineScaleMode.NONE, CapsStyle.ROUND);
jackson.graphics.moveTo(startPosX + a, startPosY + a);
jackson.graphics.lineTo(startPosX+r+a, startPosY+r+a);
jackson.graphics.endFill();
}
}
}