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;
}
}
}
// 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);
}
// 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;
}
}