package
  {
          import __AS3__.vec.Vector;
          
          import flash.display.GraphicsPathCommand;
          import flash.display.Sprite;
          import flash.display.StageAlign;
          import flash.display.StageScaleMode;
          import flash.events.KeyboardEvent;
          import flash.events.MouseEvent;
          import flash.ui.Keyboard;
          
          [SWF(backgroundColor=0xffffff)]
          public class @ax-lib-flex-animation-code-08-PathSketch extends Sprite
          {
                  private var commands:Vector.<int> = new Vector.<int>();
                  private var data:Vector.<Number> = new Vector.<Number>();
                  
                  private var lineWidth:Number = 0;
                  private var lineColor:uint = 0;
                  
                  public function @ax-lib-flex-animation-code-08-PathSketch()
                  {
                          stage.align = StageAlign.TOP_LEFT;
                          stage.scaleMode = StageScaleMode.NO_SCALE;
          
                          stage.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown);
                          stage.addEventListener(KeyboardEvent.KEY_UP, onKeyUp);
                  }
                  
                  
                  private function onMouseDown(event:MouseEvent):void
                  {
                          commands.push(GraphicsPathCommand.MOVE_TO);
                          data.push(mouseX, mouseY);
                          stage.addEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
                          stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                          draw();
                  }
                  
                  private function onMouseUp(event:MouseEvent):void
                  {
                          stage.removeEventListener(MouseEvent.MOUSE_MOVE, onMouseMove);
                          stage.removeEventListener(MouseEvent.MOUSE_UP, onMouseUp);
                  }
                  
                  private function onMouseMove(event:MouseEvent):void
                  {
                          commands.push(GraphicsPathCommand.LINE_TO);
                          data.push(mouseX, mouseY);
                          draw();
                  }
                  
                  private function onKeyUp(event:KeyboardEvent):void
                  {
                          if(event.keyCode == Keyboard.DOWN)
                          {
                                  lineWidth = Math.max(0, lineWidth -1);
                          }
                          else if(event.keyCode == Keyboard.UP)
                          {
                                  lineWidth++;
                          }
                          else if(event.keyCode == Keyboard.SPACE)
                          {
                                  lineColor = Math.random() * 0xffffff;
                          }
                          draw();
                  }
                  
                  private function draw():void
                  {
                          graphics.clear();
                          graphics.lineStyle(lineWidth, lineColor);
                          graphics.drawPath(commands, data);
                  }
          }
  }