veb

import pygame 
import math

def findnoise2(x,y):
	n = int(x) + int(y) * 57
	allf = 0xFFFFFFFF
	an = (n << 13) & allf
	n = (an ^ n) & allf
	nn = (n*(n*n*60493+19990303)+1376312589)&0x7fffffff
	return 1.0-(float(nn)/1073741824.0);