Actionscript 3.0 编程实例二 鼠标事件 (写给初学的朋友)

代码直接可以运行 liveTea

 

package
{
 import flash.display.Sprite;
 import flash.events.KeyboardEvent;
 import flash.events.MouseEvent;

 //[SWF(width="800", heigth="400",backgroudColor="#ffffff",frameRate="31")]
 public class AS3Test extends Sprite
 {
  private var _sprite:Sprite=new Sprite();

  public function AS3Test()
  {
//23
   graphics.lineStyle(1, 16711935, 1);
   trace("aaa");
   //showMessage("aaa");
   /* for(var i:int=0;i<200;i++)
      {
      graphics.lineTo(Math.random()*200,Math.random()*300)
    } */
   // addEventListener(Event.ENTER_FRAME,aa);
   _sprite.graphics.beginFill(16711935, 1);
   _sprite.graphics.drawCircle(150, 150, 100);
   _sprite.graphics.endFill();
   addChild(_sprite);
   _sprite.addEventListener(MouseEvent.MOUSE_OVER, mouse_over);
   _sprite.addEventListener(MouseEvent.CLICK, mouse_click);

   stage.focus=this;
   addEventListener(KeyboardEvent.KEY_DOWN, keyDown);
  }

  private function keyDown(event:KeyboardEvent):void
  {
   trace("jjj");
  }

  /* private function aa(event:Event):void{
     //graphics.lineTo(Math.random()*400,Math.random()*600)
   } */
  private function mouse_click(event:MouseEvent):void
  {
   _sprite.graphics.moveTo(mouseX, mouseY);
   _sprite.graphics.lineStyle(1, 16711935, 1);
   _sprite.graphics.lineTo(Math.random() * 400, Math.random() * 600);
  }

  private function mouse_over(event:MouseEvent):void
  {
   _sprite.graphics.moveTo(10, 10);
   _sprite.graphics.lineStyle(1, 16711935, 1);
   _sprite.graphics.lineTo(Math.random() * 400, Math.random() * 600);

  }

 }
}