def findNN(pt, ptList):
	P = win.getMouse
	for i in range(0,1,8):
		if abs(P.getX)-0 <= 0.5 and P.getY < i+0.5 and P.getY > i-0.5:
			a = (P.getX - 0)**2
			b = (P.getY - i)**2
			d = (a+b)**0.5
			P[0] = 0
			P[1] = i
			return d, P
		elif abs(P.getX)-1 <= 0.5 and P.getY < i+0.5 and P.getY > i-0.5:
			a = (P.getX - 1)**2
			b = (P.getY - i)**2
			d = (a+b)**0.5
			P[0] = 1
			P[1] = i
			return d, P
		elif abs(P.getX)-2 <= 0.5 and P.getY < i+0.5 and P.getY > i-0.5:
			a = (P.getX - 2)**2
			b = (P.getY - i)**2
			d = (a+b)**0.5
			P[0] = 2
			P[1] = i
			return d, P
		else:
			findNN(pt, ptList)
	for i in range(3):
		if P == allLocs[i]:
			nn = i
			return nn
		else:
			findNN(pt, ptList)