void OnTriggerEnter2D(Collider2D other)
{
if (other.gameObject.tag == "Dock")
{
GameHandler gh = GameObject.FindObjectOfType <GameHandler> ();
UIHandler uih = GameObject.FindObjectOfType <UIHandler> ();
gh.AddFunds(fishPrice * fish);
uih.AddRefugeeSaved(refugees);
gh.SubtractFunds(20);
fish = 0;
refugees = 0;
capacity = 0;
fuel = maxFuel;
docked = true;
}
}