// Keeps track of alive zombies and if the wave is complete.
internal void ZombieKill()
{
aliveZombieCount--;
addScore();
Debug.Log("Killed a zombie, " + aliveZombieCount + " left");
if (aliveZombieCount == 0)
{
popUpTextScript.levelCompleteText();
Invoke("initNewLevel", 4f);
}
}
