flash 游戏设计笔记:键盘控制
private function keydown(event:Event):void{if (event.keyCode==Keyboard.UP){Isup=true;}else if (event.keyCode==Keyboard.DOWN){Isdown=true;}else if (event.keyCode==Keyboard.LEFT){Isleft=true;}else if (event.keyCode==Keyboard.RIGHT){Isright=true; }}private function keyup(event:Event):void{if (event.keyCode==Keyboard.UP){Isup=false;}else if (event.keyCode==Keyboard.DOWN){Isdown=false;}else if (event.keyCode==Keyboard.LEFT){Isleft=false;}else if (event.keyCode==Keyboard.RIGHT){Isright=false;}}