//called when the tower fires and grabs a projectile and asign the correct method to the delegate and then calls the projectiles launch method.
public virtual void OnFire()
{
Projectile currentProjectile = projectiles.GrabObject();
OnHit onHit = new OnHit(ReturnProjectile);
currentProjectile.Launch(target, this, onHit);
activeProjectiles.Add(currentProjectile);
}
//spawns enemies in a set time interval untill it has spawned all the enemies for the current wave.
private static void OnEnemySpawn(Object source, ElapsedEventArgs e)
{
Enemy toSpawn = enemiePool.GrabObject();
toSpawn.X = pathPoints[0].X;
toSpawn.Y = pathPoints[0].Y;
spawnedEnemies++;
if (spawnedEnemies == enemiesToSpawn)
{
timer.Stop();
timer.Dispose();
}
}
