public void onClick()
{
stats = GameObject.Find("Stats").gameObject.GetComponent<Stats>();
if (stats.AmountOfWood >= 6 && stats.AmountOfRock>=3) {
stats.removeWood(6);
stats.removeRock(3);
stats.displayStats();
stats.AmountHumanHouse ++;
Grid = GameObject.FindGameObjectsWithTag ("Human");
Instantiate (humanHouse, Grid[Grid.Length-1].transform.position, Grid[Grid.Length-1].transform.rotation);
DestroyObject (Grid[Grid.Length-1]);
}
}