public Collide Check()
{
Collide Result = new Collide();
foreach (Heal Heal in this.Heals)
{
if (IsCollides(
Heal.Position, Heal.Size,
Player.GetPosition(), Player.GetSize(),
10, 10)
)
{
Result.Type = CollideType.TakeHeal;
Result.Heal = Heal;
Result.Bullet = null;
Result.Enemy = null;
return(Result);
}
}
foreach (Enemy Enemy in this.Enemies)
{
// collide
if (IsCollides(
Enemy.GetPosition(), Enemy.GetSize(),
Player.GetPosition(), Player.GetSize(),
15, 20)
)
{
Result.Type = CollideType.Collide;
Result.Enemy = Enemy;
Result.Bullet = null;
return(Result);
}
// hits by player
foreach (Bullet Bullet in this.Bullets)
{
if (Bullet.CheckType(BulletType.Player))
{
if (IsCollides(Enemy.GetPosition(), Enemy.GetSize(),
Bullet.GetPosition(), Bullet.GetSize(), 0, 10))
{
Result.Type = CollideType.HitInEnemy;
Result.Enemy = Enemy;
Result.Bullet = Bullet;
return(Result);
}
}
}
}
// hits by enemy
foreach (Bullet Bullet in this.Bullets)
{
if (Bullet.CheckType(BulletType.Enemy))
{
if (IsCollides(Bullet.GetPosition(), Bullet.GetSize(),
Player.GetPosition(), Player.GetSize(), 5, 5))
{
Result.Type = CollideType.HitInPlayer;
Result.Enemy = null;
Result.Bullet = Bullet;
return(Result);
}
}
}
return(Result);
}
public void Timer(Object sender, EventArgs e)
{
int ticks = Environment.TickCount;
if (ticks > this.LastTime + 1000 / Game.FramesPerSecond)
{
Collide collide = this.Collision.Check();
if (this.GameStatus == GameStatus.Game || this.GameStatus == GameStatus.End)
{
for (int i = this.Bullets.Count - 1; i != -1; i--)
{
int result = this.Bullets[i].Move(this.Scene);
if (result == 0)
{
this.Bullets.RemoveAt(i);
}
}
IEnumerable <Explosion> ReverseExplosion = this.Explosions.Reverse <Explosion>();
foreach (Explosion explosion in ReverseExplosion)
{
if (explosion.IsDone())
{
this.Explosions.Remove(explosion);
}
else
{
explosion.Update();
}
}
foreach (Heal heal in this.Heals)
{
heal.Update();
}
if (collide.Type == CollideType.TakeHeal)
{
this.Player.AddHealth(1);
this.Heals.Remove(collide.Heal);
}
if (collide.Type == CollideType.HitInEnemy)
{
this.IncreaseScore();
this.AddExplosion(collide.Enemy);
Random rand = new Random();
if (rand.Next(5) == 0)
{
this.AddHeal(collide.Enemy);
}
this.Enemies.Remove(collide.Enemy);
this.Bullets.Remove(collide.Bullet);
}
this.LastTime = ticks;
}
if (this.GameStatus == GameStatus.Game)
{
IEnumerable <Enemy> ReverseEnemy = this.Enemies.Reverse <Enemy>();
foreach (Enemy enemy in ReverseEnemy)
{
int result = enemy.Move(this.Scene);
if (ticks > this.LastEnemyShootTime + this.EnemyShootDelay)
{
enemy.Shoot(ref this.Bullets);
this.LastEnemyShootTime = ticks;
}
if (result == 0)
{
this.Enemies.Remove(enemy);
}
}
if (ticks > this.LastIncreaseLevelTime + Game.IncreaseLevelDelay)
{
this.EnemyCreateDelay = Game.BaseEnemyCreateDelay - Game.StepEnemyCreateDelay * this.GameLevel;
this.EnemyShootDelay = Game.BaseEnemyShootDelay - Game.StepEnemyShootDelay * this.GameLevel;
this.EnemySpeed = Game.BaseEnemySpeed + Game.StepEnemySpeed * this.GameLevel / 2;
this.EnemyShootSpeed = Game.BaseEnemyShootSpeed + Game.StepEnemyShootSpeed * this.GameLevel;
if (this.GameLevel < Game.MaxLevel)
{
this.GameLevel++;
}
this.LastIncreaseLevelTime = ticks;
}
if (ticks > this.EnemyCreateTime + this.EnemyCreateDelay)
{
Random rand = new Random();
Enemy enemy = new Enemy((Bitmap)game.Properties.Resources.ResourceManager.GetObject("enemy" + rand.Next(this.MaxEnemyImages)));
enemy.SetProportionalSize(60);
enemy.SetSpeed(this.EnemySpeed);
enemy.CharacterShoot.SetReloadTime(500);
enemy.CharacterShoot.SetSpeed(this.EnemyShootSpeed);
enemy.CharacterShoot.SetWidth(15);
enemy.CharacterShoot.SetImage(game.Properties.Resources.laser_red);
enemy.CharacterShoot.SetOffset(new Point(
enemy.GetSize().Width / 2,
enemy.GetSize().Height / 2
));
enemy.SetPosition(new Point(
rand.Next(this.Scene.Size.Width - enemy.GetSize().Width),
-enemy.GetSize().Height
));
this.Enemies.Add(enemy);
this.EnemyCreateTime = ticks;
}
if (this.PlayerStatus.MouseHold)
{
this.Player.Shoot(ref this.Bullets);
}
if (this.Score > 0 && this.Score % 10 == 0 && !this.LevelUpdated)
{
if (this.PlayerLevel < Game.MaxPlayerLevel)
{
this.PlayerLevel++;
this.LevelUpdated = true;
this.Player.CharacterShoot.SetSpeed(Game.BasePlayerShootSpeed + Game.StepPlayerShootSpeed * this.PlayerLevel);
this.Player.CharacterShoot.SetReloadTime(Game.BasePlayerReloadTime + Game.StepPlayerReloadTime * this.PlayerLevel);
}
}
else if (this.Score % 10 == 1)
{
this.LevelUpdated = false;
}
if (collide.Type == CollideType.HitInPlayer || collide.Type == CollideType.Collide)
{
this.AddExplosion(this.Player);
this.Player.AddHealth(-1);
if (this.Player.GetHealth() < 1)
{
this.GameStatus = GameStatus.End;
}
}
if (collide.Type == CollideType.HitInPlayer)
{
this.Bullets.Remove(collide.Bullet);
}
else if (collide.Type == CollideType.Collide)
{
this.AddExplosion(collide.Enemy);
this.Enemies.Remove(collide.Enemy);
}
this.LastTime = ticks;
}
}
}