private static SingleObject _singleobject = null; //全局唯一对象
public static SingleObject GetSingle() //提供一个静态函数用于返回一个唯一的对象
{
if (_singleobject == null)
{
_singleobject = new SingleObject();
}
return(_singleobject);
}
public override void Move()
{
switch (Dir)
{
case Direction.Up:
this.Y -= this.Speed;
break;
case Direction.Down:
this.Y += this.Speed;
break;
case Direction.Left:
this.Width -= this.Speed;
break;
case Direction.Right:
this.Height += this.Speed;
break;
}
if (this.X <= 0)
{
this.X = 0;
}
if (this.X >= 400)
{
this.X = 400;
}
if (this.Y <= 0)
{
this.Y = 0;
}
if (this.Y > 700) //应该销毁敌机对象
{
// this.Y = 1000;
//同时 当敌人飞机离开窗体的时候 我们应该销毁当前敌人飞机
SingleObject.GetSingle().RemoveGameObject(this); //this表示当前当前对象
}
//对于小飞机，我可以允许它带有一点晃动的特性
if (this.EnemyType == 0)
{
//MoveReturn();
if (this.X >= 0 && this.X <= 150)
{
//表示当前的小飞机在左边的范围内
//增加当前飞机的X值
this.X += r.Next(0, 30);
this.X -= r.Next(0, 30); //加这一句是为了产生晃动
}
else
{
this.X -= r.Next(0, 20);
this.X += r.Next(0, 30);
}
}
}
/// <summary>
/// 玩家飞机跟随移动
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
//当鼠标在移动的时候，会调用此函数，让玩家飞机跟随鼠标移动，就是将鼠标的
//坐标值赋值给飞机的坐标
// SingleObject.GetSingle().Hero.X = e.X;
// SingleObject.GetSingle().Hero.Y = e.Y; 这是在飞机类外部实现功能，虽逻辑是正确的
//但架构不好，应该把在玩家飞机类中实现move方法，再在这里调用
SingleObject.GetSingle().Hero.MouseMove(e);
}
private void timerBG_Tick(object sender, EventArgs e)
{
//每50毫秒就重绘制
this.Invalidate();
int PlaneNum = SingleObject.GetSingle().listPlaneEnemy.Count;
if (PlaneNum < 3)
{
InitialPlaneEnemy();
}
}
/// <summary>
/// 不应该每次都把打飞机（boss）初始化出来，有一定的几率
/// </summary>
private void InitialPlaneEnemy()
{
for (int i = 0; i < 3; i++)
{
SingleObject.GetSingle().AddGameObject(new PlaneEnemy(r.Next(0, this.Width), -200, 5, 8, r.Next(0, 2)));
}
//几率的实现：通过随机生成实现
if (r.Next(0, 100) > 80)
{
SingleObject.GetSingle().AddGameObject(new PlaneEnemy(r.Next(0, this.Width), -200, 5, 8, 2));
}
}
/// <summary>
/// 初始化游戏
/// </summary>
///
public void InitialGame()
{
//首先初始化背景
SingleObject.GetSingle().AddGameObject(new BackGround(0, -850, 5));
//初始化玩家飞机
SingleObject.GetSingle().AddGameObject(new PlaneHero(200, 200, 20, 5, GameObject.Direction.Up));
////初始化敌人飞机
//SingleObject.GetSingle().AddGameObject(new PlaneEnemy(20, 186, 5, 3, 0));
//SingleObject.GetSingle().AddGameObject(new PlaneEnemy(100, 140, 5, 3, 1));
//SingleObject.GetSingle().AddGameObject(new PlaneEnemy(280, 170, 5, 3, 2));
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
//窗体被绘制的时候，会执行当前事件（绘制背景）
//SingleObject.GetSingle().BG.Draw(e.Graphics);这一句也可实现绘制背景，但是窗体直接操作类函数不合适
SingleObject.GetSingle().DrawGameobject(e.Graphics);//我们通过单例来实现与窗体的交互
}
/// <summary>
/// 不断生成飞机
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void JudgeFJ_Tick(object sender, EventArgs e)
{
int PlaneNum = SingleObject.GetSingle().listPlaneEnemy.Count;
}
/// <summary>
/// 玩家飞机发射子弹
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
//按下左键
SingleObject.GetSingle().Hero.Fire();
}
public void Fire()
{
//初始化子弹对象
SingleObject.GetSingle().AddGameObject(new ZiDanHero(this, 10, 1));
}