splatter(s)


  
  private var togsplat:int = 0;
  
                  private function change_color(event:MouseEvent):void{
                   var h:Number = systemManager.stage.height;
                            var w:Number = systemManager.stage.width;
                            if (mouseY < h-50 && mouseY > 50 && 
                                mouseX < w-50 && mouseX > 50) {
                          //color = Math.random() * 0xFFFFFF;
                          //txt.text = "Color: 0x" + color.toString();
                          //if (togsplat == 1) {
                          toggle_painting();
                          //}
                          }
                  }
                  
                  private function start_painting():void{
                  dopaint = 1;
                  addEventListener(Event.ENTER_FRAME, paint);         
                  }
                  
                  private function stop_painting():void{
                  dopaint = 0;
                  removeEventListener(Event.ENTER_FRAME, paint); 
                  }
                  
                  private function toggle_painting():void{
                  if (dopaint == 0) start_painting(); else stop_painting();
                  }
                  
                  public function paint(event:Event):void {
                          //counter++;
                          //txt.text = counter.toString();
                          
                          //if (with_wii == 0) {
                          //vpX = mouseX;
                          //vpY = mouseY;
                          //}
                          
                          splat = Math.random() * 0xFFFFFF;
                          //AE
                          //graphics.lineTo(mouseX, mouseY);
The code for the paint function was ported and adapted from: "Splatter", by Stamen Design http://stamen.com/projects/splatter * 

  
                          
                          mid_x = ((end_x - start_x) * (1 + mid_point_push)) + start_x;
                          mid_y = ((end_y - start_y) * (1 + mid_point_push)) + start_y;
                          start_x = end_x;
                          start_y = end_y;
                          //end_x = vpX;// = mouseX;
                          //end_y = vpY;// = mouseY;
                          end_x = mouseX;
                          end_y = mouseY;
                          distance = Math.sqrt(Math.pow((end_x - start_x), 2) + Math.pow((end_y - start_y), 2));
                          new_size = max_line_width / distance;
                          size = aggression*new_size;//(new_size_influence * new_size) + ((1 - new_size_influence) * size);
                          splatter(painting.graphics, start_x, start_y, end_x, end_y, mid_x, mid_y, size);
                          parity = false;
                          /*
                          _parent.new_size_influence += ((Math.random() * 0.1) - 0.05);
                          _parent.mid_point_push += ((Math.random() * 0.1) - 0.05);
                          _parent.max_line_width += ((Math.random() * 4) - 2);
  			*/
                          new_size_influence += ((Math.random() * 0.1) - 0.05);
                          mid_point_push += ((Math.random() * 0.1) - 0.05);
                          max_line_width += ((Math.random() * 4) - 2);
                  }
                  
                  private function splatter(obj:Graphics, x1:Number, y1:Number, x2:Number, y2:Number, x3:Number, y3:Number, d:Number):void        {
                          //var obj:Graphics = painting.graphics;
                          
                          obj.lineStyle(d, splat, 100);
                          //txt.text = d.toString();
                          obj.moveTo(x1, y1);
                          obj.curveTo(x3, y3, x2, y2);
                          //curves.push([x1, y1, x3, y3, x2, y2, d]);
                          
                          // splotch
                          var dd:Number = Math.sqrt(Math.pow((x2 - x1), 2) + Math.pow((y2 - y1), 2));
                  
                           for (var i:uint = 0; i<Math.floor(5*Math.pow(Math.random(), 4)); i++) {
                          // positioning of splotch varies between ±4dd, tending towards 0
                                  var splat_range:Number = 1;
                                  var x4:Number = dd * 1 * (Math.pow(Math.random(), splat_range) - (splat_range/2));
                                  var y4:Number = dd * 1 * (Math.pow(Math.random(), splat_range) - (splat_range/2));
                                  // direction of splotch varies between ±0.5
                                  var x5:Number = Math.random() - 0.5;
                                  var y5:Number = Math.random() - 0.5;
                                  var d_:Number = d*(0.5+Math.random());
                                  obj.lineStyle(d_, splat, 100);
                                  obj.moveTo((x1+x4), (y1+y4));
                                  obj.lineTo((x1+x4+x5), (y1+y4+y5));
                                  //curves.push([(x1+x4), (y1+y4), (x1+x4+x5), (y1+y4+y5), (x1+x4+x5), (y1+y4+y5), d_]);
                          
                           }
                          //addChild(obj); //?AE
                  }