public static bool CollideWithBullet(BulletPlayer bulletPlayer)
{
for (int i = 0; i < aliens.Length; i++)
{
if (aliens[i].IsAlive)
{
//Vector2 dist = aliens[i].Position.Sub(bullet.Position);
//if (dist.GetLength() <= aliens[i].GetWidth()/2 + bullet.GetWidth()/2)
if (bulletPlayer.Collides(aliens[i].Position, aliens[i].GetWidth() / 2))
{
//alien dies
if (aliens[i].OnHit())
{
Game.AddScore(5);
IncAliensSpeed(1.05f);
//he's dead
if (aliens[i].CanShoot)
{
int prevAlienIndex = i - aliensPerRow;
while (prevAlienIndex >= 0)
{
if (aliens[prevAlienIndex].IsAlive)
{
aliens[prevAlienIndex].CanShoot = true;
break;
}
prevAlienIndex -= aliensPerRow;
}
}
numAlives--;
}
return(true);
}
}
}
return(false);
}
