// 重写Draw方法
public override void Draw(Graphics g)
{
//根据当前飞机的类型绘制爆炸效果图片
switch (this.Type)
{
case 0:
for (int i = 0; i < imgsSmall.Length; i++)
{
g.DrawImage(imgsSmall[i], this.X, this.Y);
}
break;
case 1:
for (int i = 0; i < imgsMiddle.Length; i++)
{
g.DrawImage(imgsMiddle[i], this.X, this.Y);
}
break;
case 2:
for (int i = 0; i < imgsLarge.Length; i++)
{
g.DrawImage(imgsLarge[i], this.X, this.Y);
}
break;
}
//爆炸图片播放完成后销毁该爆炸效果
SingleObject.GetInstance().RemoveGameObject(this);
}
// 重写IsOver方法：判断敌人是否阵亡
public override void IsOver()
{
if (this.Life <= 0)
{
SingleObject singleObject = SingleObject.GetInstance();
// 1.首先移除自身
singleObject.RemoveGameObject(this);
// 2.播放敌人爆炸图片
singleObject.AddGameObject(new BoomEnemy(this.X, this.Y, this.EnemyType));
// 3.播放敌人爆炸声音
SoundPlayer sp = new SoundPlayer(Resources.enemy0_down1);
sp.Play();
// 4.根据不同的敌人类型添加不同的分数
switch (this.EnemyType)
{
case 0:
singleObject.Score += 100;
break;
case 1:
singleObject.Score += 200;
break;
case 2:
singleObject.Score += 300;
break;
}
}
}
// 重写Move方法
public override void Move()
{
// 根据指定的移动方向进行移动
switch (Dir)
{
case Direction.Up:
this.Y -= this.Speed;
break;
case Direction.Down:
this.Y += this.Speed;
break;
}
// 子弹发射之后控制子弹纵坐标
if (this.Y <= 0)
{
this.Y = -100;
// 在游戏中移除子弹对象
SingleObject.GetInstance().RemoveGameObject(this);
}
if (this.Y >= 670)
{
this.Y = 870;
// 在游戏中移除子弹对象
SingleObject.GetInstance().RemoveGameObject(this);
}
}
private void MainForm_MouseMove(object sender, MouseEventArgs e)
{
if (isStarted)
{
// 让飞机跟着鼠标的移动而移动
SingleObject.GetInstance().Player.MouseMove(e);
}
}
public static SingleObject GetInstance()
{
if (singleInstance == null)
{
singleInstance = new SingleObject();
}
return(singleInstance);
}
// 重写Draw方法：绘制爆炸效果图片
public override void Draw(Graphics g)
{
for (int i = 0; i < imgsBoom.Length; i++)
{
g.DrawImage(imgsBoom[i], this.X, this.Y);
}
//绘制完成后将爆炸的图片移除
SingleObject.GetInstance().RemoveGameObject(this);
}
// 重写IsOver方法：判断玩家是否阵亡
public override void IsOver()
{
SingleObject singleObject = SingleObject.GetInstance();
singleObject.AddGameObject(new BoomPlayer(this.X, this.Y));
if (singleObject.Score >= 100)
{
singleObject.Score -= 50;
}
}
private void MainForm_MouseDown(object sender, MouseEventArgs e)
{
// 首先判断是否按下了鼠标左键
if (isStarted && e.Button == MouseButtons.Left)
{
// 调用玩家飞机发射子弹的方法
SingleObject.GetInstance().Player.Fire();
// 播放子弹发射声音
PlayFireMusic();
}
}
private void InitializeEnemyPlanes(SingleObject singleObject)
{
for (int i = 0; i < 4; i++)
{
singleObject.AddGameObject(new PlaneEnemy(random.Next(0, this.Width), -400, random.Next(0, 2)));
}
if (random.Next(0, 100) > 80)
{
// 20%的机会出现大飞机
singleObject.AddGameObject(new PlaneEnemy(random.Next(0, this.Width - 80), -400, 2));
}
}
// 重写Draw方法
public override void Draw(Graphics g)
{
// 标题图片不停向下移动
this.Y += Speed;
if (this.Y >= 670)
{
this.Y = 800;
// 移除游戏标题对象
SingleObject.GetInstance().RemoveGameObject(this);
}
// 坐标改变后绘制图片到屏幕
g.DrawImage(imgTitle, this.X, this.Y);
}
// 初始化游戏对象
private void InitializeGameObjects()
{
SingleObject singleObject = SingleObject.GetInstance();
// 1.1 初始化游戏背景
singleObject.AddGameObject(new GameBackground(0, -850, 5));
// 1.2 初始化游戏标题
singleObject.AddGameObject(new GameTitle(20, 50, 10));
// 1.3 初始化玩家飞机
singleObject.AddGameObject(new PlanePlayer(this.Width / 2 - 50, this.Height * 3 / 4, 5, 3, Direction.Up));
// 2.初始化Timer组件
this.timerBackground.Interval = 50;
this.timerBackground.Enabled = true;
this.timerPlayTime.Interval = 1000;
this.timerPlayTime.Enabled = true;
// 3.初始化敌人飞机
//InitializeEnemyPlanes(singleObject);
}
private void timerBackground_Tick(object sender, EventArgs e)
{
// 1.每50毫秒让窗体屏幕发生重绘事件
this.Invalidate();
if (isStarted)
{
// 2.每50毫秒判断敌人飞机是否已经移动出屏幕
SingleObject singleObject = SingleObject.GetInstance();
int count = singleObject.EnemyList.Count;
if (count <= 1)
{
// 再次初始化四架敌人飞机
InitializeEnemyPlanes(singleObject);
}
// 3.每50毫秒进行一次碰撞检测
singleObject.CollisionDetect();
}
}
// 初始化游戏时间Timer组件的Tick事件
private void timerPlayTime_Tick(object sender, EventArgs e)
{
if (isStarted)
{
// 1.开始计时
playTime++;
// 2.结束条件:这里只允许游戏进行20s
if (playTime == 20)
{
// 结束游戏
isStarted = false;
SoundPlayer sp = new SoundPlayer(Resources.game_over1);
sp.Play();
// 将玩家分数传给服务器端
byte[] bytes = Encoding.UTF8.GetBytes(SingleObject.GetInstance().Score.ToString());
if (clientSocket != null && clientSocket.Connected)
{
clientSocket.Send(bytes);
}
// 清空时间
playTime = 0;
}
}
}
private void MainForm_Paint(object sender, PaintEventArgs e)
{
SingleObject singleObject = SingleObject.GetInstance();
if (!isStarted)
{
// 1.通过统一绘制入口绘制游戏对象
singleObject.DrawFirstBackground(e.Graphics);
// 2.绘制游戏结果排名与分数
if (isShowResult)
{
isShowResult = false;
MessageBox.Show(gameResult, "游戏结束", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
else
{
// 1.通过统一绘制入口绘制游戏对象
singleObject.DrawGameObjects(e.Graphics);
// 2.获取玩家即时分数并绘制到屏幕中
string score = singleObject.Score.ToString();
e.Graphics.DrawString(score, new Font("微软雅黑", 20, FontStyle.Bold), Brushes.Red, new Point(10, 20));
}
}
// 开炮发射子弹
public void Fire()
{
SingleObject.GetInstance().AddGameObject(new BulletPlayer(this, 15, 1));
}
// 敌人飞机发射子弹
public void Fire()
{
SingleObject.GetInstance().AddGameObject(new BulletEnemy(this, 20, 1));
}
// 重写Move方法
public override void Move()
{
//根据游戏对象的方向进行移动
switch (this.Dir)
{
case Direction.Up:
this.Y -= this.Speed;
break;
case Direction.Down:
this.Y += this.Speed;
break;
case Direction.Left:
this.X -= this.Speed;
break;
case Direction.Right:
this.X += this.Speed;
break;
}
if (this.X <= 0)
{
this.X = 0;
}
if (this.X >= 380)
{
this.X = 380;
}
if (this.Y <= 0)
{
this.Y = 0;
}
if (this.Y >= 670)
{
this.Y = 870;
// 移除敌人飞机对象
SingleObject.GetInstance().RemoveGameObject(this);
}
// 当敌人飞机为小飞机时并且移动到某个坐标时不停改变其的横坐标
if (this.EnemyType == 0 && this.Y >= 250)
{
if (X >= 0 && this.X <= 220)
{
this.X += random.Next(0, 50);
}
else
{
this.X -= random.Next(0, 50);
}
}
else // 如果不是小飞机则加快移动速度
{
this.Speed += 1;
}
// 敌人飞机发射子弹
if (random.Next(0, 100) > 90)
{
Fire();
}
}