diff options
Diffstat (limited to 'src/Noise/Noise.h')
| -rw-r--r-- | src/Noise/Noise.h | 16 |
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); |