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tuttlem/noise.cpp

Created December 31, 2013 03:51
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Noise 1
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noise.cpp
float noise(const int x, const int y) {
int n = x + y * 57;
n = (n << 13) ^ n;
return (1.0f - ( ( n * (n * n * 15731 + 789221) + 1376312589) & 0x7FFFFFFF) / 1073741824.0f);
}
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