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love.math.noise now returns values in the range of [0, 1] instead of [-1, 1]

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Alex Szpakowski
2013-08-19 19:57:55 -03:00
parent f7ca9ef557
commit 5c0066332f
1 changed files with 5 additions and 5 deletions
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src/modules/math/MathModule.h
+5 -5
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@@ -139,7 +139,7 @@ public:
/**
* Calculate Simplex noise for the specified coordinate(s).
*
* @return Noise value in the range of [-1,1].
* @return Noise value in the range of [0, 1].
**/
float noise(float x) const;
float noise(float x, float y) const;
@@ -156,22 +156,22 @@ private:
inline float Math::noise(float x) const
{
return SimplexNoise1234::noise(x);
return SimplexNoise1234::noise(x) * 0.5f + 0.5f;
}
inline float Math::noise(float x, float y) const
{
return SimplexNoise1234::noise(x, y);
return SimplexNoise1234::noise(x, y) * 0.5f + 0.5f;
}
inline float Math::noise(float x, float y, float z) const
{
return SimplexNoise1234::noise(x, y, z);
return SimplexNoise1234::noise(x, y, z) * 0.5f + 0.5f;
}
inline float Math::noise(float x, float y, float z, float w) const
{
return SimplexNoise1234::noise(x, y, z, w);
return SimplexNoise1234::noise(x, y, z, w) * 0.5f + 0.5f;
}
} // math