void OnTriggerExit(Collider other)
{
validSquad = null;
}
void OnTriggerEnter(Collider other)
{
if (other.tag == "VampirePlayer" || other.tag == "ZombiePlayer")
{
validSquad = other.GetComponent<SquadMovement>();
Node newTarget = sendNextNode(validSquad.ChangeDirection());
validSquad.changeTarget(newTarget);
Debug.Log((int)validSquad.dir);
}
}