/// <summary>
/// Returns an instance of a usable player bullet. Prefers reusing an /// existing (dead)
/// bullet over creating a new instance.
/// </summary>
/// <returns>A bullet ready to place into the world.</returns>
Bullet CreatePlayerBullet()
{
Bullet b = null;
for (int i = 0; i < playerBullets.Count; ++i)
{
if (playerBullets[i].IsAlive == false)
{
b = playerBullets[i];
break;
}
}
if (b == null)
{
b = new Bullet();
playerBullets.Add(b);
}
b.IsAlive = true;
return b;
}
/// <summary>
/// Returns an instance of a usable alien bullet. Prefers reusing an existing (dead)
/// bullet over creating a new instance.
/// </summary>
/// <returns>A bullet ready to place into the world.</returns>
Bullet CreateAlienBullet()
{
Bullet b = null;
for (int i = 0; i < alienBullets.Count; ++i)
{
if (alienBullets[i].IsAlive == false)
{
b = alienBullets[i];
break;
}
}
if (b == null)
{
b = new Bullet();
alienBullets.Add(b);
}
b.IsAlive = true;
return b;
}