private void btnStart_Click(object sender, EventArgs e)
{
if (objAction != null)
{
objAction.ClearSnake();
}
objSnake = new Snake(); //snake.cs中的Snake类的引用
objAction = new Action(panel, objSnake); //Action.cs中Action类的重载，方便在panel上画蛇身
objAction.InitializeSnake(); //调用蛇身的初始化函数
start = true;
timer.Enabled = true;
this.btnStart.Enabled = false;
this.btnHelp.Enabled = false;
}
public Action(System.Windows.Forms.Panel panel, Snake snake)//为什么要对两个参数进行重载
{ //如果不重载则不能在MainForm上的panel上画图
objPanel = panel;
objSnake = snake;
}