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authorHaoTNN <haotnn@gmail.com>2015-06-03 01:08:57 +0200
committerHaoTNN <haotnn@gmail.com>2015-06-03 01:08:57 +0200
commit3142598dee31acc23c738a1a728638665c8940b8 (patch)
tree2eb837ed785678d536d677ff5020fabca089f2e5 /src/Noise/Noise.h
parentMerge remote-tracking branch 'upstream/master' (diff)
parentMerge pull request #2182 from birkett/master (diff)
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Diffstat (limited to 'src/Noise/Noise.h')
-rw-r--r--src/Noise/Noise.h16
1 files changed, 9 insertions, 7 deletions
diff --git a/src/Noise/Noise.h b/src/Noise/Noise.h
index 323194bfd..b08b96e24 100644
--- a/src/Noise/Noise.h
+++ b/src/Noise/Noise.h
@@ -185,7 +185,7 @@ typedef cOctavedNoise<cRidgedNoise<cCubicNoise>> cRidgedMultiNoise;
NOISE_DATATYPE cNoise::IntNoise1D(int a_X) const
{
int x = ((a_X * m_Seed) << 13) ^ a_X;
- return (1 - (NOISE_DATATYPE)((x * (x * x * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
+ return (1 - static_cast<NOISE_DATATYPE>((x * (x * x * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
// returns a float number in the range of [-1, 1]
}
@@ -197,7 +197,7 @@ NOISE_DATATYPE cNoise::IntNoise2D(int a_X, int a_Y) const
{
int n = a_X + a_Y * 57 + m_Seed * 57 * 57;
n = (n << 13) ^ n;
- return (1 - (NOISE_DATATYPE)((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
+ return (1 - static_cast<NOISE_DATATYPE>((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824);
// returns a float number in the range of [-1, 1]
}
@@ -209,7 +209,9 @@ NOISE_DATATYPE cNoise::IntNoise3D(int a_X, int a_Y, int a_Z) const
{
int n = a_X + a_Y * 57 + a_Z * 57 * 57 + m_Seed * 57 * 57 * 57;
n = (n << 13) ^ n;
- return ((NOISE_DATATYPE)1 - (NOISE_DATATYPE)((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824.0f);
+ return (static_cast<NOISE_DATATYPE>(1) -
+ static_cast<NOISE_DATATYPE>((n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff) / 1073741824.0f
+ );
// returns a float number in the range of [-1, 1]
}
@@ -265,8 +267,8 @@ NOISE_DATATYPE cNoise::CubicInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B,
NOISE_DATATYPE cNoise::CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct)
{
- const NOISE_DATATYPE ft = a_Pct * (NOISE_DATATYPE)3.1415927;
- const NOISE_DATATYPE f = (NOISE_DATATYPE)((NOISE_DATATYPE)(1 - cos(ft)) * (NOISE_DATATYPE)0.5);
+ const NOISE_DATATYPE ft = a_Pct * static_cast<NOISE_DATATYPE>(3.1415927);
+ const NOISE_DATATYPE f = static_cast<NOISE_DATATYPE>(static_cast<NOISE_DATATYPE>(1 - cos(ft)) * static_cast<NOISE_DATATYPE>(0.5));
return a_A * (1 - f) + a_B * f;
}
@@ -288,11 +290,11 @@ NOISE_DATATYPE cNoise::LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B,
/** Exports the noise array into a file.
a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */
-extern void Debug2DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
+extern void Debug2DNoise(const NOISE_DATATYPE * a_Array, size_t a_SizeX, size_t a_SizeY, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
/** Exports the noise array into a set of files, ordered by XY and XZ.
a_Coeff specifies the value that each array value is multiplied by before being converted into a byte. */
-extern void Debug3DNoise(const NOISE_DATATYPE * a_Array, int a_SizeX, int a_SizeY, int a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);
+extern void Debug3DNoise(const NOISE_DATATYPE * a_Array, size_t a_SizeX, size_t a_SizeY, size_t a_SizeZ, const AString & a_FileNameBase, NOISE_DATATYPE a_Coeff = 32);