double Noise(int x, int y)
{
int n = x + y * 57;
n = (n << 13) ^ n;
int t = (n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff;
return 1.0 - ((double)t) * 0.931322574615478515625e-9;/// 1073741824.0);
}