sid/NazaraEngine
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Switch from Nz prefix to namespace Nz

Browse Source 
What a huge commit


Former-commit-id: 38ac5eebf70adc1180f571f6006192d28fb99897
This commit is contained in:
Lynix
2015-09-25 19:20:05 +02:00
parent c214251ecf
commit df8da275c4
609 changed files with 68265 additions and 66534 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/Nazara/Noise/Abstract2DNoise.cpp
View File

@@ -8,14 +8,17 @@
#include <Nazara/Noise/Abstract2DNoise.hpp>
#include <Nazara/Noise/Debug.hpp>
NzAbstract2DNoise::~NzAbstract2DNoise() = default;
float NzAbstract2DNoise::GetBasicValue(float x, float y)
namespace Nz
{
return this->GetValue(x,y,m_resolution);
}
Abstract2DNoise::~Abstract2DNoise() = default;
float NzAbstract2DNoise::GetMappedValue(float x, float y)
{
return (this->GetValue(x,y,m_resolution) + m_offset) * m_gain;
float Abstract2DNoise::GetBasicValue(float x, float y)
{
return this->GetValue(x,y,m_resolution);
}
float Abstract2DNoise::GetMappedValue(float x, float y)
{
return (this->GetValue(x,y,m_resolution) + m_offset) * m_gain;
}
}

19
src/Nazara/Noise/Abstract3DNoise.cpp
View File

@@ -8,14 +8,17 @@
#include <Nazara/Noise/Abstract3DNoise.hpp>
#include <Nazara/Noise/Debug.hpp>
NzAbstract3DNoise::~NzAbstract3DNoise() = default;
float NzAbstract3DNoise::GetBasicValue(float x, float y, float z)
namespace Nz
{
return this->GetValue(x,y,z,m_resolution);
}
Abstract3DNoise::~Abstract3DNoise() = default;
float NzAbstract3DNoise::GetMappedValue(float x, float y, float z)
{
return (this->GetValue(x,y,z,m_resolution) + m_offset) * m_gain ;
float Abstract3DNoise::GetBasicValue(float x, float y, float z)
{
return this->GetValue(x,y,z,m_resolution);
}
float Abstract3DNoise::GetMappedValue(float x, float y, float z)
{
return (this->GetValue(x,y,z,m_resolution) + m_offset) * m_gain ;
}
}

19
src/Nazara/Noise/Abstract4DNoise.cpp
View File

@@ -8,14 +8,17 @@
#include <Nazara/Noise/Abstract4DNoise.hpp>
#include <Nazara/Noise/Debug.hpp>
NzAbstract4DNoise::~NzAbstract4DNoise() = default;
float NzAbstract4DNoise::GetBasicValue(float x, float y, float z, float w)
namespace Nz
{
return this->GetValue(x,y,z,w,m_resolution);
}
Abstract4DNoise::~Abstract4DNoise() = default;
float NzAbstract4DNoise::GetMappedValue(float x, float y, float z, float w)
{
return (this->GetValue(x,y,z,w,m_resolution) + m_offset) * m_gain ;
float Abstract4DNoise::GetBasicValue(float x, float y, float z, float w)
{
return this->GetValue(x,y,z,w,m_resolution);
}
float Abstract4DNoise::GetMappedValue(float x, float y, float z, float w)
{
return (this->GetValue(x,y,z,w,m_resolution) + m_offset) * m_gain ;
}
}

129
src/Nazara/Noise/ComplexNoiseBase.cpp
View File

@@ -8,73 +8,76 @@
#include <Nazara/Noise/ComplexNoiseBase.hpp>
#include <Nazara/Noise/Debug.hpp>
NzComplexNoiseBase::NzComplexNoiseBase()
namespace Nz
{
m_parametersModified = true;
m_lacunarity = 5.0f;
m_hurst = 1.2f;
m_octaves = 3.0f;
for (int i(0) ; i < m_octaves; ++i)
ComplexNoiseBase::ComplexNoiseBase()
{
m_exponent_array[i] = 0;
}
}
m_parametersModified = true;
m_lacunarity = 5.0f;
m_hurst = 1.2f;
m_octaves = 3.0f;
float NzComplexNoiseBase::GetLacunarity() const
{
return m_lacunarity;
}
float NzComplexNoiseBase::GetHurstParameter() const
{
return m_hurst;
}
float NzComplexNoiseBase::GetOctaveNumber() const
{
return m_octaves;
}
void NzComplexNoiseBase::SetLacunarity(float lacunarity)
{
m_lacunarity = lacunarity;
m_parametersModified = true;
}
void NzComplexNoiseBase::SetHurstParameter(float h)
{
m_hurst = h;
m_parametersModified = true;
}
void NzComplexNoiseBase::SetOctavesNumber(float octaves)
{
if(octaves <= 30.0f)
m_octaves = octaves;
else
m_octaves = 30.0f;
m_parametersModified = true;
}
void NzComplexNoiseBase::RecomputeExponentArray()
{
if(m_parametersModified)
{
float frequency = 1.0;
m_sum = 0.f;
for (int i(0) ; i < static_cast<int>(m_octaves) ; ++i)
for (int i(0) ; i < m_octaves; ++i)
{
m_exponent_array[i] = std::pow( frequency, -m_hurst );
frequency *= m_lacunarity;
m_sum += m_exponent_array[i];
m_exponent_array[i] = 0;
}
}
float ComplexNoiseBase::GetLacunarity() const
{
return m_lacunarity;
}
float ComplexNoiseBase::GetHurstParameter() const
{
return m_hurst;
}
float ComplexNoiseBase::GetOctaveNumber() const
{
return m_octaves;
}
void ComplexNoiseBase::SetLacunarity(float lacunarity)
{
m_lacunarity = lacunarity;
m_parametersModified = true;
}
void ComplexNoiseBase::SetHurstParameter(float h)
{
m_hurst = h;
m_parametersModified = true;
}
void ComplexNoiseBase::SetOctavesNumber(float octaves)
{
if(octaves <= 30.0f)
m_octaves = octaves;
else
m_octaves = 30.0f;
m_parametersModified = true;
}
void ComplexNoiseBase::RecomputeExponentArray()
{
if(m_parametersModified)
{
float frequency = 1.0;
m_sum = 0.f;
for (int i(0) ; i < static_cast<int>(m_octaves) ; ++i)
{
m_exponent_array[i] = std::pow( frequency, -m_hurst );
frequency *= m_lacunarity;
m_sum += m_exponent_array[i];
}
m_parametersModified = false;
}
m_parametersModified = false;
}
}

65
src/Nazara/Noise/FBM2D.cpp
View File

@@ -9,43 +9,46 @@
#include <Nazara/Noise/Simplex2D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzFBM2D::NzFBM2D(nzNoises source, unsigned int seed)
namespace Nz
{
switch(source)
FBM2D::FBM2D(NoiseType source, unsigned int seed)
{
case PERLIN:
m_source = new NzPerlin2D();
break;
switch(source)
{
case PERLIN:
m_source = new Perlin2D();
break;
default:
m_source = new NzSimplex2D();
break;
default:
m_source = new Simplex2D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzFBM2D::GetValue(float x, float y, float resolution)
{
this->RecomputeExponentArray();
m_value = 0.0;
for (int i(0); i < m_octaves; ++i)
float FBM2D::GetValue(float x, float y, float resolution)
{
m_value += m_source->GetValue(x,y,resolution) * m_exponent_array[i];
resolution *= m_lacunarity;
this->RecomputeExponentArray();
m_value = 0.0;
for (int i(0); i < m_octaves; ++i)
{
m_value += m_source->GetValue(x,y,resolution) * m_exponent_array[i];
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if(!NumberEquals(m_remainder, static_cast<float>(0.0)))
m_value += m_remainder * m_source->GetValue(x,y,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if(!NzNumberEquals(m_remainder, static_cast<float>(0.0)))
m_value += m_remainder * m_source->GetValue(x,y,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum;
}
NzFBM2D::~NzFBM2D()
{
delete m_source;
FBM2D::~FBM2D()
{
delete m_source;
}
}

65
src/Nazara/Noise/FBM3D.cpp
View File

@@ -9,43 +9,46 @@
#include <Nazara/Noise/Simplex3D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzFBM3D::NzFBM3D(nzNoises source, unsigned int seed)
namespace Nz
{
switch(source)
FBM3D::FBM3D(NoiseType source, unsigned int seed)
{
case PERLIN:
m_source = new NzPerlin3D();
break;
switch(source)
{
case PERLIN:
m_source = new Perlin3D();
break;
default:
m_source = new NzSimplex3D();
break;
default:
m_source = new Simplex3D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzFBM3D::GetValue(float x, float y, float z, float resolution)
{
this->RecomputeExponentArray();
m_value = 0.0;
for (int i(0); i < m_octaves; ++i)
float FBM3D::GetValue(float x, float y, float z, float resolution)
{
m_value += m_source->GetValue(x,y,z,resolution) * m_exponent_array[i];
resolution *= m_lacunarity;
this->RecomputeExponentArray();
m_value = 0.0;
for (int i(0); i < m_octaves; ++i)
{
m_value += m_source->GetValue(x,y,z,resolution) * m_exponent_array[i];
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if(!NumberEquals(m_remainder, static_cast<float>(0.0)))
m_value += m_remainder * m_source->GetValue(x,y,z,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if(!NzNumberEquals(m_remainder, static_cast<float>(0.0)))
m_value += m_remainder * m_source->GetValue(x,y,z,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum;
}
NzFBM3D::~NzFBM3D()
{
delete m_source;
FBM3D::~FBM3D()
{
delete m_source;
}
}

65
src/Nazara/Noise/FBM4D.cpp
View File

@@ -9,43 +9,46 @@
#include <Nazara/Noise/Simplex4D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzFBM4D::NzFBM4D(nzNoises source, unsigned int seed)
namespace Nz
{
switch(source)
FBM4D::FBM4D(NoiseType source, unsigned int seed)
{
case PERLIN:
m_source = new NzPerlin4D();
break;
switch(source)
{
case PERLIN:
m_source = new Perlin4D();
break;
default:
m_source = new NzSimplex4D();
break;
default:
m_source = new Simplex4D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzFBM4D::GetValue(float x, float y, float z, float w, float resolution)
{
this->RecomputeExponentArray();
m_value = 0.0;
for (int i(0); i < m_octaves; ++i)
float FBM4D::GetValue(float x, float y, float z, float w, float resolution)
{
m_value += m_source->GetValue(x,y,z,w,resolution) * m_exponent_array[i];
resolution *= m_lacunarity;
this->RecomputeExponentArray();
m_value = 0.0;
for (int i(0); i < m_octaves; ++i)
{
m_value += m_source->GetValue(x,y,z,w,resolution) * m_exponent_array[i];
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if(!NumberEquals(m_remainder, static_cast<float>(0.0)))
m_value += m_remainder * m_source->GetValue(x,y,z,w,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if(!NzNumberEquals(m_remainder, static_cast<float>(0.0)))
m_value += m_remainder * m_source->GetValue(x,y,z,w,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum;
}
NzFBM4D::~NzFBM4D()
{
delete m_source;
FBM4D::~FBM4D()
{
delete m_source;
}
}

83
src/Nazara/Noise/HybridMultiFractal3D.cpp
View File

@@ -9,56 +9,59 @@
#include <Nazara/Noise/Simplex3D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzHybridMultiFractal3D::NzHybridMultiFractal3D(nzNoises source, unsigned int seed)
namespace Nz
{
switch(source)
HybridMultiFractal3D::HybridMultiFractal3D(NoiseType source, unsigned int seed)
{
case PERLIN:
m_source = new NzPerlin3D();
break;
switch(source)
{
case PERLIN:
m_source = new Perlin3D();
break;
default:
m_source = new NzSimplex3D();
break;
default:
m_source = new Simplex3D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzHybridMultiFractal3D::GetValue(float x, float y, float z, float resolution)
{
this->RecomputeExponentArray();
m_offset = 1.0f;
m_value = (m_source->GetValue(x,y,z,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
float HybridMultiFractal3D::GetValue(float x, float y, float z, float resolution)
{
if (m_weight > 1.f)
m_weight = 1.f;
this->RecomputeExponentArray();
m_signal = (m_source->GetValue(x,y,z,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_offset = 1.0f;
m_weight *= m_signal;
m_value = (m_source->GetValue(x,y,z,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
{
if (m_weight > 1.f)
m_weight = 1.f;
m_signal = (m_source->GetValue(x,y,z,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_weight *= m_signal;
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,z,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,z,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
}
NzHybridMultiFractal3D::~NzHybridMultiFractal3D()
{
delete m_source;
HybridMultiFractal3D::~HybridMultiFractal3D()
{
delete m_source;
}
}

83
src/Nazara/Noise/HybridMultiFractal4D.cpp
View File

@@ -9,56 +9,59 @@
#include <Nazara/Noise/Simplex4D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzHybridMultiFractal4D::NzHybridMultiFractal4D(nzNoises source, unsigned int seed)
namespace Nz
{
switch(source)
HybridMultiFractal4D::HybridMultiFractal4D(NoiseType source, unsigned int seed)
{
case PERLIN:
m_source = new NzPerlin4D();
break;
switch(source)
{
case PERLIN:
m_source = new Perlin4D();
break;
default:
m_source = new NzSimplex4D();
break;
default:
m_source = new Simplex4D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzHybridMultiFractal4D::GetValue(float x, float y, float z, float w, float resolution)
{
this->RecomputeExponentArray();
m_offset = 1.0f;
m_value = (m_source->GetValue(x,y,z,w,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
float HybridMultiFractal4D::GetValue(float x, float y, float z, float w, float resolution)
{
if (m_weight > 1.f)
m_weight = 1.f;
this->RecomputeExponentArray();
m_signal = (m_source->GetValue(x,y,z,w,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_offset = 1.0f;
m_weight *= m_signal;
m_value = (m_source->GetValue(x,y,z,w,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
{
if (m_weight > 1.f)
m_weight = 1.f;
m_signal = (m_source->GetValue(x,y,z,w,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_weight *= m_signal;
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,z,w,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,z,w,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
}
NzHybridMultiFractal4D::~NzHybridMultiFractal4D()
{
delete m_source;
HybridMultiFractal4D::~HybridMultiFractal4D()
{
delete m_source;
}
}

83
src/Nazara/Noise/HybridMultifractal2D.cpp
View File

@@ -9,56 +9,59 @@
#include <Nazara/Noise/Simplex2D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzHybridMultiFractal2D::NzHybridMultiFractal2D(nzNoises source, unsigned int seed)
namespace Nz
{
switch(source)
HybridMultiFractal2D::HybridMultiFractal2D(NoiseType source, unsigned int seed)
{
case PERLIN:
m_source = new NzPerlin2D();
break;
switch(source)
{
case PERLIN:
m_source = new Perlin2D();
break;
default:
m_source = new NzSimplex2D();
break;
default:
m_source = new Simplex2D();
break;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
m_source->SetNewSeed(seed);
m_source->ShufflePermutationTable();
m_noiseType = source;
}
float NzHybridMultiFractal2D::GetValue(float x, float y, float resolution)
{
this->RecomputeExponentArray();
m_offset = 1.0f;
m_value = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
float HybridMultiFractal2D::GetValue(float x, float y, float resolution)
{
if (m_weight > 1.f)
m_weight = 1.f;
this->RecomputeExponentArray();
m_signal = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_offset = 1.0f;
m_weight *= m_signal;
m_value = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[0];
m_weight = m_value;
m_signal = 0.f;
resolution *= m_lacunarity;
for(int i(1) ; i < m_octaves; ++i)
{
if (m_weight > 1.f)
m_weight = 1.f;
m_signal = (m_source->GetValue(x,y,resolution) + m_offset) * m_exponent_array[i];
m_value += m_weight * m_signal;
m_weight *= m_signal;
resolution *= m_lacunarity;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
}
m_remainder = m_octaves - static_cast<int>(m_octaves);
if (m_remainder > 0.f)
m_value += m_remainder * m_source->GetValue(x,y,resolution) * m_exponent_array[static_cast<int>(m_octaves-1)];
return m_value/this->m_sum - m_offset;
}
NzHybridMultiFractal2D::~NzHybridMultiFractal2D()
{
delete m_source;
HybridMultiFractal2D::~HybridMultiFractal2D()
{
delete m_source;
}
}

75
src/Nazara/Noise/MappedNoiseBase.cpp
View File

@@ -10,44 +10,47 @@
#include <Nazara/Noise/MappedNoiseBase.hpp>
#include <Nazara/Noise/Debug.hpp>
NzMappedNoiseBase::NzMappedNoiseBase() : m_gain(1.f), m_offset(0.f), m_resolution(30.f)
namespace Nz
{
}
float NzMappedNoiseBase::GetGain() const
{
return m_gain;
}
float NzMappedNoiseBase::GetOffset() const
{
return m_offset;
}
float NzMappedNoiseBase::GetResolution() const
{
return m_resolution;
}
void NzMappedNoiseBase::SetGain(float gain)
{
m_gain = gain;
}
void NzMappedNoiseBase::SetOffset(float offset)
{
m_offset = offset;
}
void NzMappedNoiseBase::SetResolution(float resolution)
{
if (NzNumberEquals(resolution, 0.f))
MappedNoiseBase::MappedNoiseBase() : m_gain(1.f), m_offset(0.f), m_resolution(30.f)
{
NzStringStream ss;
ss << __FILE__ << ':' << __LINE__ << " : resolution cannot be 0.0f";
throw std::domain_error(ss.ToString());
}
m_resolution = resolution;
float MappedNoiseBase::GetGain() const
{
return m_gain;
}
float MappedNoiseBase::GetOffset() const
{
return m_offset;
}
float MappedNoiseBase::GetResolution() const
{
return m_resolution;
}
void MappedNoiseBase::SetGain(float gain)
{
m_gain = gain;
}
void MappedNoiseBase::SetOffset(float offset)
{
m_offset = offset;
}
void MappedNoiseBase::SetResolution(float resolution)
{
if (NumberEquals(resolution, 0.f))
{
StringStream ss;
ss << __FILE__ << ':' << __LINE__ << " : resolution cannot be 0.0f";
throw std::domain_error(ss.ToString());
}
m_resolution = resolution;
}
}

79
src/Nazara/Noise/Noise.cpp
View File

@@ -9,54 +9,57 @@
#include <Nazara/Noise/Config.hpp>
#include <Nazara/Noise/Debug.hpp>
bool NzNoise::Initialize()
namespace Nz
{
if (s_moduleReferenceCounter > 0)
bool Noise::Initialize()
{
if (s_moduleReferenceCounter > 0)
{
s_moduleReferenceCounter++;
return true; // Déjà initialisé
}
// Initialisation des dépendances
if (!Core::Initialize())
{
NazaraError("Failed to initialize core module");
Uninitialize();
return false;
}
s_moduleReferenceCounter++;
return true; // Déjà initialisé
// Initialisation du module
NazaraNotice("Initialized: Noise module");
return true;
}
// Initialisation des dépendances
if (!NzCore::Initialize())
bool Noise::IsInitialized()
{
NazaraError("Failed to initialize core module");
Uninitialize();
return false;
return s_moduleReferenceCounter != 0;
}
s_moduleReferenceCounter++;
// Initialisation du module
NazaraNotice("Initialized: Noise module");
return true;
}
bool NzNoise::IsInitialized()
{
return s_moduleReferenceCounter != 0;
}
void NzNoise::Uninitialize()
{
if (s_moduleReferenceCounter != 1)
void Noise::Uninitialize()
{
// Le module est soit encore utilisé, soit pas initialisé
if (s_moduleReferenceCounter > 1)
s_moduleReferenceCounter--;
if (s_moduleReferenceCounter != 1)
{
// Le module est soit encore utilisé, soit pas initialisé
if (s_moduleReferenceCounter > 1)
s_moduleReferenceCounter--;
return;
return;
}
// Libération du module
s_moduleReferenceCounter = 0;
NazaraNotice("Uninitialized: Noise module");
// Libération des dépendances
Core::Uninitialize();
}
// Libération du module
s_moduleReferenceCounter = 0;
NazaraNotice("Uninitialized: Noise module");
// Libération des dépendances
NzCore::Uninitialize();
unsigned int Noise::s_moduleReferenceCounter = 0;
}
unsigned int NzNoise::s_moduleReferenceCounter = 0;

127
src/Nazara/Noise/NoiseBase.cpp
View File

@@ -7,70 +7,73 @@
#include <Nazara/Noise/Config.hpp>
#include <Nazara/Noise/Debug.hpp>
NzNoiseBase::NzNoiseBase(unsigned int seed)
namespace Nz
{
Ua = 16807;
Uc = 0;
Um = 2147483647;
UcurrentSeed = 0;
Uprevious = 0;
NoiseBase::NoiseBase(unsigned int seed)
{
Ua = 16807;
Uc = 0;
Um = 2147483647;
UcurrentSeed = 0;
Uprevious = 0;
SetNewSeed(seed);
SetNewSeed(seed);
for(int i(0) ; i < 512 ; i++)
perm[i] = i & 255;
for(int i(0) ; i < 512 ; i++)
perm[i] = i & 255;
}
void NzNoiseBase::SetNewSeed(unsigned int seed)
{
Uprevious = seed;
UcurrentSeed = seed;
}
unsigned int NzNoiseBase::GetUniformRandomValue()
{
Ulast = Ua*Uprevious + Uc%Um;
Uprevious = Ulast;
return Ulast;
}
void NzNoiseBase::ShufflePermutationTable()
{
int xchanger;
unsigned int ncase;
for(unsigned int i(0) ; i < 256 ; i++)
perm[i] = i;
for(unsigned int j(0) ; j < 20 ; ++j)
for (unsigned int i(0); i < 256 ; ++i)
{
ncase = this->GetUniformRandomValue() & 255;
xchanger = perm[i];
perm[i] = perm[ncase];
perm[ncase] = xchanger;
}
for(unsigned int i(256) ; i < 512; ++i)
perm[i] = perm[i & 255];
}
int NzNoiseBase::fastfloor(float n)
{
return (n >= 0) ? static_cast<int>(n) : static_cast<int>(n-1);
}
int NzNoiseBase::JenkinsHash(int a, int b, int c)
{
a = a-b; a = a - c; a = a^(static_cast<unsigned int>(c) >> 13);
b = b-c; b = b - a; b = b^(a << 8);
c = c-a; c = c - b; c = c^(static_cast<unsigned int>(b) >> 13);
a = a-b; a = a - c; a = a^(static_cast<unsigned int>(c) >> 12);
b = b-c; b = b - a; b = b^(a << 16);
c = c-a; c = c - b; c = c^(static_cast<unsigned int>(b) >> 5);
a = a-b; a = a - c; a = a^(static_cast<unsigned int>(c) >> 3);
b = b-c; b = b - a; b = b^(a << 10);
c = c-a; c = c - b; c = c^(static_cast<unsigned int>(b) >> 15);
return c;
}
void NoiseBase::SetNewSeed(unsigned int seed)
{
Uprevious = seed;
UcurrentSeed = seed;
}
unsigned int NoiseBase::GetUniformRandomValue()
{
Ulast = Ua*Uprevious + Uc%Um;
Uprevious = Ulast;
return Ulast;
}
void NoiseBase::ShufflePermutationTable()
{
int xchanger;
unsigned int ncase;
for(unsigned int i(0) ; i < 256 ; i++)
perm[i] = i;
for(unsigned int j(0) ; j < 20 ; ++j)
for (unsigned int i(0); i < 256 ; ++i)
{
ncase = this->GetUniformRandomValue() & 255;
xchanger = perm[i];
perm[i] = perm[ncase];
perm[ncase] = xchanger;
}
for(unsigned int i(256) ; i < 512; ++i)
perm[i] = perm[i & 255];
}
int NoiseBase::fastfloor(float n)
{
return (n >= 0) ? static_cast<int>(n) : static_cast<int>(n-1);
}
int NoiseBase::JenkinsHash(int a, int b, int c)
{
a = a-b; a = a - c; a = a^(static_cast<unsigned int>(c) >> 13);
b = b-c; b = b - a; b = b^(a << 8);
c = c-a; c = c - b; c = c^(static_cast<unsigned int>(b) >> 13);
a = a-b; a = a - c; a = a^(static_cast<unsigned int>(c) >> 12);
b = b-c; b = b - a; b = b^(a << 16);
c = c-a; c = c - b; c = c^(static_cast<unsigned int>(b) >> 5);
a = a-b; a = a - c; a = a^(static_cast<unsigned int>(c) >> 3);
b = b-c; b = b - a; b = b^(a << 10);
c = c-a; c = c - b; c = c^(static_cast<unsigned int>(b) >> 15);
return c;
}
}

121
src/Nazara/Noise/Perlin2D.cpp
View File

@@ -7,66 +7,69 @@
#include <Nazara/Noise/Perlin2D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzPerlin2D::NzPerlin2D()
namespace Nz
{
float grad2Temp[][2] = {
{1.f,1.f},
{-1.f,1.f},
{1.f,-1.f},
{-1.f,-1.f},
Perlin2D::Perlin2D()
{
float grad2Temp[][2] = {
{1.f,1.f},
{-1.f,1.f},
{1.f,-1.f},
{-1.f,-1.f},
{1.f,0.f},
{-1.f,0.f},
{0.f,1.f},
{0.f,-1.f}
};
{1.f,0.f},
{-1.f,0.f},
{0.f,1.f},
{0.f,-1.f}
};
for(int i(0) ; i < 8 ; ++i)
for(int j(0) ; j < 2 ; ++j)
gradient2[i][j] = grad2Temp[i][j];
}
NzPerlin2D::NzPerlin2D(unsigned int seed) : NzPerlin2D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float NzPerlin2D::GetValue(float x, float y, float resolution)
{
x *= resolution;
y *= resolution;
x0 = fastfloor(x);
y0 = fastfloor(y);
ii = x0 & 255;
jj = y0 & 255;
gi0 = perm[ii + perm[jj]] & 7;
gi1 = perm[ii + 1 + perm[jj]] & 7;
gi2 = perm[ii + perm[jj + 1]] & 7;
gi3 = perm[ii + 1 + perm[jj + 1]] & 7;
temp.x = x-x0;
temp.y = y-y0;
Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
s = gradient2[gi0][0]*temp.x + gradient2[gi0][1]*temp.y;
temp.x = x-(x0+1);
t = gradient2[gi1][0]*temp.x + gradient2[gi1][1]*temp.y;
temp.y = y-(y0+1);
v = gradient2[gi3][0]*temp.x + gradient2[gi3][1]*temp.y;
temp.x = x-x0;
u = gradient2[gi2][0]*temp.x + gradient2[gi2][1]*temp.y;
Li1 = s + Cx*(t-s);
Li2 = u + Cx*(v-u);
return Li1 + Cy*(Li2-Li1);
for(int i(0) ; i < 8 ; ++i)
for(int j(0) ; j < 2 ; ++j)
gradient2[i][j] = grad2Temp[i][j];
}
Perlin2D::Perlin2D(unsigned int seed) : Perlin2D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float Perlin2D::GetValue(float x, float y, float resolution)
{
x *= resolution;
y *= resolution;
x0 = fastfloor(x);
y0 = fastfloor(y);
ii = x0 & 255;
jj = y0 & 255;
gi0 = perm[ii + perm[jj]] & 7;
gi1 = perm[ii + 1 + perm[jj]] & 7;
gi2 = perm[ii + perm[jj + 1]] & 7;
gi3 = perm[ii + 1 + perm[jj + 1]] & 7;
temp.x = x-x0;
temp.y = y-y0;
Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
s = gradient2[gi0][0]*temp.x + gradient2[gi0][1]*temp.y;
temp.x = x-(x0+1);
t = gradient2[gi1][0]*temp.x + gradient2[gi1][1]*temp.y;
temp.y = y-(y0+1);
v = gradient2[gi3][0]*temp.x + gradient2[gi3][1]*temp.y;
temp.x = x-x0;
u = gradient2[gi2][0]*temp.x + gradient2[gi2][1]*temp.y;
Li1 = s + Cx*(t-s);
Li2 = u + Cx*(v-u);
return Li1 + Cy*(Li2-Li1);
}
}

169
src/Nazara/Noise/Perlin3D.cpp
View File

@@ -7,89 +7,92 @@
#include <Nazara/Noise/Perlin3D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzPerlin3D::NzPerlin3D()
namespace Nz
{
float grad3Temp[][3] = {
{1,1,0},{-1,1,0},{1,-1,0},{-1,-1,0},
{1,0,1},{-1,0,1},{1,0,-1},{-1,0,-1},
{0,1,1},{0,-1,1},{0,1,-1},{0,-1,-1},
{1,1,0},{-1,1,0},{0,-1,1},{0,-1,-1}
};
Perlin3D::Perlin3D()
{
float grad3Temp[][3] = {
{1,1,0},{-1,1,0},{1,-1,0},{-1,-1,0},
{1,0,1},{-1,0,1},{1,0,-1},{-1,0,-1},
{0,1,1},{0,-1,1},{0,1,-1},{0,-1,-1},
{1,1,0},{-1,1,0},{0,-1,1},{0,-1,-1}
};
for(int i(0) ; i < 16 ; ++i)
for(int j(0) ; j < 3 ; ++j)
gradient3[i][j] = grad3Temp[i][j];
}
NzPerlin3D::NzPerlin3D(unsigned int seed) : NzPerlin3D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float NzPerlin3D::GetValue(float x, float y, float z, float resolution)
{
x /= resolution;
y /= resolution;
z /= resolution;
x0 = fastfloor(x);
y0 = fastfloor(y);
z0 = fastfloor(z);
ii = x0 & 255;
jj = y0 & 255;
kk = z0 & 255;
gi0 = perm[ii + perm[jj + perm[kk]]] & 15;
gi1 = perm[ii + 1 + perm[jj + perm[kk]]] & 15;
gi2 = perm[ii + perm[jj + 1 + perm[kk]]] & 15;
gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk]]] & 15;
gi4 = perm[ii + perm[jj + perm[kk + 1]]] & 15;
gi5 = perm[ii + 1 + perm[jj + perm[kk + 1]]] & 15;
gi6 = perm[ii + perm[jj + 1 + perm[kk + 1]]] & 15;
gi7 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1]]] & 15;
temp.x = x-x0;
temp.y = y-y0;
temp.z = z-z0;
Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
Cz = temp.z * temp.z * temp.z * (temp.z * (temp.z * 6 - 15) + 10);
s[0] = gradient3[gi0][0]*temp.x + gradient3[gi0][1]*temp.y + gradient3[gi0][2]*temp.z;
temp.x = x-(x0+1);
t[0] = gradient3[gi1][0]*temp.x + gradient3[gi1][1]*temp.y + gradient3[gi1][2]*temp.z;
temp.y = y-(y0+1);
v[0] = gradient3[gi3][0]*temp.x + gradient3[gi3][1]*temp.y + gradient3[gi3][2]*temp.z;
temp.x = x-x0;
u[0] = gradient3[gi2][0]*temp.x + gradient3[gi2][1]*temp.y + gradient3[gi2][2]*temp.z;
temp.y = y-y0;
temp.z = z-(z0+1);
s[1] = gradient3[gi4][0]*temp.x + gradient3[gi4][1]*temp.y + gradient3[gi4][2]*temp.z;
temp.x = x-(x0+1);
t[1] = gradient3[gi5][0]*temp.x + gradient3[gi5][1]*temp.y + gradient3[gi5][2]*temp.z;
temp.y = y-(y0+1);
v[1] = gradient3[gi7][0]*temp.x + gradient3[gi7][1]*temp.y + gradient3[gi7][2]*temp.z;
temp.x = x-x0;
u[1] = gradient3[gi6][0]*temp.x + gradient3[gi6][1]*temp.y + gradient3[gi6][2]*temp.z;
Li1 = s[0] + Cx*(t[0]-s[0]);
Li2 = u[0] + Cx*(v[0]-u[0]);
Li3 = s[1] + Cx*(t[1]-s[1]);
Li4 = u[1] + Cx*(v[1]-u[1]);
Li5 = Li1 + Cy*(Li2-Li1);
Li6 = Li3 + Cy*(Li4-Li3);
return Li5 + Cz*(Li6-Li5);
for(int i(0) ; i < 16 ; ++i)
for(int j(0) ; j < 3 ; ++j)
gradient3[i][j] = grad3Temp[i][j];
}
Perlin3D::Perlin3D(unsigned int seed) : Perlin3D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float Perlin3D::GetValue(float x, float y, float z, float resolution)
{
x /= resolution;
y /= resolution;
z /= resolution;
x0 = fastfloor(x);
y0 = fastfloor(y);
z0 = fastfloor(z);
ii = x0 & 255;
jj = y0 & 255;
kk = z0 & 255;
gi0 = perm[ii + perm[jj + perm[kk]]] & 15;
gi1 = perm[ii + 1 + perm[jj + perm[kk]]] & 15;
gi2 = perm[ii + perm[jj + 1 + perm[kk]]] & 15;
gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk]]] & 15;
gi4 = perm[ii + perm[jj + perm[kk + 1]]] & 15;
gi5 = perm[ii + 1 + perm[jj + perm[kk + 1]]] & 15;
gi6 = perm[ii + perm[jj + 1 + perm[kk + 1]]] & 15;
gi7 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1]]] & 15;
temp.x = x-x0;
temp.y = y-y0;
temp.z = z-z0;
Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
Cz = temp.z * temp.z * temp.z * (temp.z * (temp.z * 6 - 15) + 10);
s[0] = gradient3[gi0][0]*temp.x + gradient3[gi0][1]*temp.y + gradient3[gi0][2]*temp.z;
temp.x = x-(x0+1);
t[0] = gradient3[gi1][0]*temp.x + gradient3[gi1][1]*temp.y + gradient3[gi1][2]*temp.z;
temp.y = y-(y0+1);
v[0] = gradient3[gi3][0]*temp.x + gradient3[gi3][1]*temp.y + gradient3[gi3][2]*temp.z;
temp.x = x-x0;
u[0] = gradient3[gi2][0]*temp.x + gradient3[gi2][1]*temp.y + gradient3[gi2][2]*temp.z;
temp.y = y-y0;
temp.z = z-(z0+1);
s[1] = gradient3[gi4][0]*temp.x + gradient3[gi4][1]*temp.y + gradient3[gi4][2]*temp.z;
temp.x = x-(x0+1);
t[1] = gradient3[gi5][0]*temp.x + gradient3[gi5][1]*temp.y + gradient3[gi5][2]*temp.z;
temp.y = y-(y0+1);
v[1] = gradient3[gi7][0]*temp.x + gradient3[gi7][1]*temp.y + gradient3[gi7][2]*temp.z;
temp.x = x-x0;
u[1] = gradient3[gi6][0]*temp.x + gradient3[gi6][1]*temp.y + gradient3[gi6][2]*temp.z;
Li1 = s[0] + Cx*(t[0]-s[0]);
Li2 = u[0] + Cx*(v[0]-u[0]);
Li3 = s[1] + Cx*(t[1]-s[1]);
Li4 = u[1] + Cx*(v[1]-u[1]);
Li5 = Li1 + Cy*(Li2-Li1);
Li6 = Li3 + Cy*(Li4-Li3);
return Li5 + Cz*(Li6-Li5);
}
}

283
src/Nazara/Noise/Perlin4D.cpp
View File

@@ -7,147 +7,150 @@
#include <Nazara/Noise/Perlin4D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzPerlin4D::NzPerlin4D()
namespace Nz
{
float grad4Temp[][4] =
Perlin4D::Perlin4D()
{
{0,1,1,1}, {0,1,1,-1}, {0,1,-1,1}, {0,1,-1,-1},
{0,-1,1,1},{0,-1,1,-1},{0,-1,-1,1},{0,-1,-1,-1},
{1,0,1,1}, {1,0,1,-1}, {1,0,-1,1}, {1,0,-1,-1},
{-1,0,1,1},{-1,0,1,-1},{-1,0,-1,1},{-1,0,-1,-1},
{1,1,0,1}, {1,1,0,-1}, {1,-1,0,1}, {1,-1,0,-1},
{-1,1,0,1},{-1,1,0,-1},{-1,-1,0,1},{-1,-1,0,-1},
{1,1,1,0}, {1,1,-1,0}, {1,-1,1,0}, {1,-1,-1,0},
{-1,1,1,0},{-1,1,-1,0},{-1,-1,1,0},{-1,-1,-1,0}
};
float grad4Temp[][4] =
{
{0,1,1,1}, {0,1,1,-1}, {0,1,-1,1}, {0,1,-1,-1},
{0,-1,1,1},{0,-1,1,-1},{0,-1,-1,1},{0,-1,-1,-1},
{1,0,1,1}, {1,0,1,-1}, {1,0,-1,1}, {1,0,-1,-1},
{-1,0,1,1},{-1,0,1,-1},{-1,0,-1,1},{-1,0,-1,-1},
{1,1,0,1}, {1,1,0,-1}, {1,-1,0,1}, {1,-1,0,-1},
{-1,1,0,1},{-1,1,0,-1},{-1,-1,0,1},{-1,-1,0,-1},
{1,1,1,0}, {1,1,-1,0}, {1,-1,1,0}, {1,-1,-1,0},
{-1,1,1,0},{-1,1,-1,0},{-1,-1,1,0},{-1,-1,-1,0}
};
for(int i(0) ; i < 32 ; ++i)
for(int j(0) ; j < 4 ; ++j)
gradient4[i][j] = grad4Temp[i][j];
}
NzPerlin4D::NzPerlin4D(unsigned int seed) : NzPerlin4D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float NzPerlin4D::GetValue(float x, float y, float z, float w, float resolution)
{
x *= resolution;
y *= resolution;
z *= resolution;
w *= resolution;
x0 = fastfloor(x);
y0 = fastfloor(y);
z0 = fastfloor(z);
w0 = fastfloor(w);
ii = x0 & 255;
jj = y0 & 255;
kk = z0 & 255;
ll = w0 & 255;
gi0 = perm[ii + perm[jj + perm[kk + perm[ll]]]] & 31;
gi1 = perm[ii + 1 + perm[jj + perm[kk + perm[ll]]]] & 31;
gi2 = perm[ii + perm[jj + 1 + perm[kk + perm[ll]]]] & 31;
gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk + perm[ll]]]] & 31;
gi4 = perm[ii + perm[jj + + perm[kk + 1 + perm[ll]]]] & 31;
gi5 = perm[ii + 1 + perm[jj + + perm[kk + 1 + perm[ll]]]] & 31;
gi6 = perm[ii + perm[jj + 1 + perm[kk + 1 + perm[ll]]]] & 31;
gi7 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll]]]] & 31;
gi8 = perm[ii + perm[jj + perm[kk + perm[ll + 1]]]] & 31;
gi9 = perm[ii + 1 + perm[jj + perm[kk + perm[ll + 1]]]] & 31;
gi10 = perm[ii + perm[jj + 1 + perm[kk + perm[ll + 1]]]] & 31;
gi11 = perm[ii + 1 + perm[jj + 1 + perm[kk + perm[ll + 1]]]] & 31;
gi12 = perm[ii + perm[jj + perm[kk + 1 + perm[ll + 1]]]] & 31;
gi13 = perm[ii + 1 + perm[jj + perm[kk + 1 + perm[ll + 1]]]] & 31;
gi14 = perm[ii + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] & 31;
gi15 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] & 31;
temp.x = x-x0;
temp.y = y-y0;
temp.z = z-z0;
temp.w = w-w0;
Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
Cz = temp.z * temp.z * temp.z * (temp.z * (temp.z * 6 - 15) + 10);
Cw = temp.w * temp.w * temp.w * (temp.w * (temp.w * 6 - 15) + 10);
s[0] = gradient4[gi0][0]*temp.x + gradient4[gi0][1]*temp.y + gradient4[gi0][2]*temp.z + gradient4[gi0][3]*temp.w;
temp.x = x-(x0+1);
t[0] = gradient4[gi1][0]*temp.x + gradient4[gi1][1]*temp.y + gradient4[gi1][2]*temp.z + gradient4[gi1][3]*temp.w;
temp.y = y-(y0+1);
v[0] = gradient4[gi3][0]*temp.x + gradient4[gi3][1]*temp.y + gradient4[gi3][2]*temp.z + gradient4[gi3][3]*temp.w;
temp.x = x-x0;
u[0] = gradient4[gi2][0]*temp.x + gradient4[gi2][1]*temp.y + gradient4[gi2][2]*temp.z + gradient4[gi2][3]*temp.w;
temp.y = y-y0;
temp.z = z-(z0+1);
s[1] = gradient4[gi4][0]*temp.x + gradient4[gi4][1]*temp.y + gradient4[gi4][2]*temp.z + gradient4[gi4][3]*temp.w;
temp.x = x-(x0+1);
t[1] = gradient4[gi5][0]*temp.x + gradient4[gi5][1]*temp.y + gradient4[gi5][2]*temp.z + gradient4[gi5][3]*temp.w;
temp.y = y-(y0+1);
v[1] = gradient4[gi7][0]*temp.x + gradient4[gi7][1]*temp.y + gradient4[gi7][2]*temp.z + gradient4[gi7][3]*temp.w;
temp.x = x-x0;
u[1] = gradient4[gi6][0]*temp.x + gradient4[gi6][1]*temp.y + gradient4[gi6][2]*temp.z + gradient4[gi6][3]*temp.w;
temp.y = y-y0;
temp.z = z-z0;
temp.w = w-(w0+1);
s[2] = gradient4[gi8][0]*temp.x + gradient4[gi8][1]*temp.y + gradient4[gi8][2]*temp.z + gradient4[gi8][3]*temp.w;
temp.x = x-(x0+1);
t[2] = gradient4[gi9][0]*temp.x + gradient4[gi9][1]*temp.y + gradient4[gi9][2]*temp.z + gradient4[gi9][3]*temp.w;
temp.y = y-(y0+1);
v[2] = gradient4[gi11][0]*temp.x + gradient4[gi11][1]*temp.y + gradient4[gi11][2]*temp.z + gradient4[gi11][3]*temp.w;
temp.x = x-x0;
u[2] = gradient4[gi10][0]*temp.x + gradient4[gi10][1]*temp.y + gradient4[gi10][2]*temp.z + gradient4[gi10][3]*temp.w;
temp.y = y-y0;
temp.z = z-(z0+1);
s[3] = gradient4[gi12][0]*temp.x + gradient4[gi12][1]*temp.y + gradient4[gi12][2]*temp.z + gradient4[gi12][3]*temp.w;
temp.x = x-(x0+1);
t[3] = gradient4[gi13][0]*temp.x + gradient4[gi13][1]*temp.y + gradient4[gi13][2]*temp.z + gradient4[gi13][3]*temp.w;
temp.y = y-(y0+1);
v[3] = gradient4[gi15][0]*temp.x + gradient4[gi15][1]*temp.y + gradient4[gi15][2]*temp.z + gradient4[gi15][3]*temp.w;
temp.x = x-x0;
u[3] = gradient4[gi14][0]*temp.x + gradient4[gi14][1]*temp.y + gradient4[gi14][2]*temp.z + gradient4[gi14][3]*temp.w;
Li1 = s[0] + Cx*(t[0]-s[0]);
Li2 = u[0] + Cx*(v[0]-u[0]);
Li3 = s[1] + Cx*(t[1]-s[1]);
Li4 = u[1] + Cx*(v[1]-u[1]);
Li5 = s[2] + Cx*(t[2]-s[2]);
Li6 = u[2] + Cx*(v[2]-u[2]);
Li7 = s[3] + Cx*(t[3]-s[3]);
Li8 = u[3] + Cx*(v[3]-u[3]);
Li9 = Li1 + Cy*(Li2-Li1);
Li10 = Li3 + Cy*(Li4-Li3);
Li11 = Li5 + Cy*(Li6-Li5);
Li12 = Li7 + Cy*(Li8-Li7);
Li13 = Li9 + Cz*(Li10-Li9);
Li14 = Li11 + Cz*(Li12-Li11);
return Li13 + Cw*(Li14-Li13);
for(int i(0) ; i < 32 ; ++i)
for(int j(0) ; j < 4 ; ++j)
gradient4[i][j] = grad4Temp[i][j];
}
Perlin4D::Perlin4D(unsigned int seed) : Perlin4D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float Perlin4D::GetValue(float x, float y, float z, float w, float resolution)
{
x *= resolution;
y *= resolution;
z *= resolution;
w *= resolution;
x0 = fastfloor(x);
y0 = fastfloor(y);
z0 = fastfloor(z);
w0 = fastfloor(w);
ii = x0 & 255;
jj = y0 & 255;
kk = z0 & 255;
ll = w0 & 255;
gi0 = perm[ii + perm[jj + perm[kk + perm[ll]]]] & 31;
gi1 = perm[ii + 1 + perm[jj + perm[kk + perm[ll]]]] & 31;
gi2 = perm[ii + perm[jj + 1 + perm[kk + perm[ll]]]] & 31;
gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk + perm[ll]]]] & 31;
gi4 = perm[ii + perm[jj + + perm[kk + 1 + perm[ll]]]] & 31;
gi5 = perm[ii + 1 + perm[jj + + perm[kk + 1 + perm[ll]]]] & 31;
gi6 = perm[ii + perm[jj + 1 + perm[kk + 1 + perm[ll]]]] & 31;
gi7 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll]]]] & 31;
gi8 = perm[ii + perm[jj + perm[kk + perm[ll + 1]]]] & 31;
gi9 = perm[ii + 1 + perm[jj + perm[kk + perm[ll + 1]]]] & 31;
gi10 = perm[ii + perm[jj + 1 + perm[kk + perm[ll + 1]]]] & 31;
gi11 = perm[ii + 1 + perm[jj + 1 + perm[kk + perm[ll + 1]]]] & 31;
gi12 = perm[ii + perm[jj + perm[kk + 1 + perm[ll + 1]]]] & 31;
gi13 = perm[ii + 1 + perm[jj + perm[kk + 1 + perm[ll + 1]]]] & 31;
gi14 = perm[ii + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] & 31;
gi15 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] & 31;
temp.x = x-x0;
temp.y = y-y0;
temp.z = z-z0;
temp.w = w-w0;
Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
Cz = temp.z * temp.z * temp.z * (temp.z * (temp.z * 6 - 15) + 10);
Cw = temp.w * temp.w * temp.w * (temp.w * (temp.w * 6 - 15) + 10);
s[0] = gradient4[gi0][0]*temp.x + gradient4[gi0][1]*temp.y + gradient4[gi0][2]*temp.z + gradient4[gi0][3]*temp.w;
temp.x = x-(x0+1);
t[0] = gradient4[gi1][0]*temp.x + gradient4[gi1][1]*temp.y + gradient4[gi1][2]*temp.z + gradient4[gi1][3]*temp.w;
temp.y = y-(y0+1);
v[0] = gradient4[gi3][0]*temp.x + gradient4[gi3][1]*temp.y + gradient4[gi3][2]*temp.z + gradient4[gi3][3]*temp.w;
temp.x = x-x0;
u[0] = gradient4[gi2][0]*temp.x + gradient4[gi2][1]*temp.y + gradient4[gi2][2]*temp.z + gradient4[gi2][3]*temp.w;
temp.y = y-y0;
temp.z = z-(z0+1);
s[1] = gradient4[gi4][0]*temp.x + gradient4[gi4][1]*temp.y + gradient4[gi4][2]*temp.z + gradient4[gi4][3]*temp.w;
temp.x = x-(x0+1);
t[1] = gradient4[gi5][0]*temp.x + gradient4[gi5][1]*temp.y + gradient4[gi5][2]*temp.z + gradient4[gi5][3]*temp.w;
temp.y = y-(y0+1);
v[1] = gradient4[gi7][0]*temp.x + gradient4[gi7][1]*temp.y + gradient4[gi7][2]*temp.z + gradient4[gi7][3]*temp.w;
temp.x = x-x0;
u[1] = gradient4[gi6][0]*temp.x + gradient4[gi6][1]*temp.y + gradient4[gi6][2]*temp.z + gradient4[gi6][3]*temp.w;
temp.y = y-y0;
temp.z = z-z0;
temp.w = w-(w0+1);
s[2] = gradient4[gi8][0]*temp.x + gradient4[gi8][1]*temp.y + gradient4[gi8][2]*temp.z + gradient4[gi8][3]*temp.w;
temp.x = x-(x0+1);
t[2] = gradient4[gi9][0]*temp.x + gradient4[gi9][1]*temp.y + gradient4[gi9][2]*temp.z + gradient4[gi9][3]*temp.w;
temp.y = y-(y0+1);
v[2] = gradient4[gi11][0]*temp.x + gradient4[gi11][1]*temp.y + gradient4[gi11][2]*temp.z + gradient4[gi11][3]*temp.w;
temp.x = x-x0;
u[2] = gradient4[gi10][0]*temp.x + gradient4[gi10][1]*temp.y + gradient4[gi10][2]*temp.z + gradient4[gi10][3]*temp.w;
temp.y = y-y0;
temp.z = z-(z0+1);
s[3] = gradient4[gi12][0]*temp.x + gradient4[gi12][1]*temp.y + gradient4[gi12][2]*temp.z + gradient4[gi12][3]*temp.w;
temp.x = x-(x0+1);
t[3] = gradient4[gi13][0]*temp.x + gradient4[gi13][1]*temp.y + gradient4[gi13][2]*temp.z + gradient4[gi13][3]*temp.w;
temp.y = y-(y0+1);
v[3] = gradient4[gi15][0]*temp.x + gradient4[gi15][1]*temp.y + gradient4[gi15][2]*temp.z + gradient4[gi15][3]*temp.w;
temp.x = x-x0;
u[3] = gradient4[gi14][0]*temp.x + gradient4[gi14][1]*temp.y + gradient4[gi14][2]*temp.z + gradient4[gi14][3]*temp.w;
Li1 = s[0] + Cx*(t[0]-s[0]);
Li2 = u[0] + Cx*(v[0]-u[0]);
Li3 = s[1] + Cx*(t[1]-s[1]);
Li4 = u[1] + Cx*(v[1]-u[1]);
Li5 = s[2] + Cx*(t[2]-s[2]);
Li6 = u[2] + Cx*(v[2]-u[2]);
Li7 = s[3] + Cx*(t[3]-s[3]);
Li8 = u[3] + Cx*(v[3]-u[3]);
Li9 = Li1 + Cy*(Li2-Li1);
Li10 = Li3 + Cy*(Li4-Li3);
Li11 = Li5 + Cy*(Li6-Li5);
Li12 = Li7 + Cy*(Li8-Li7);
Li13 = Li9 + Cz*(Li10-Li9);
Li14 = Li11 + Cz*(Li12-Li11);
return Li13 + Cw*(Li14-Li13);
}
}

139
src/Nazara/Noise/Simplex2D.cpp
View File

@@ -7,85 +7,88 @@
#include <Nazara/Noise/Simplex2D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzSimplex2D::NzSimplex2D()
namespace Nz
{
float grad2Temp[][2] = {{1,1},{-1,1},{1,-1},{-1,-1},
{1,0},{-1,0},{0,1},{0,-1}};
for(int i(0) ; i < 8 ; ++i)
for(int j(0) ; j < 2 ; ++j)
gradient2[i][j] = grad2Temp[i][j];
SkewCoeff2D = 0.5f*(std::sqrt(3.f) - 1.f);
UnskewCoeff2D = (3.f-std::sqrt(3.f))/6.f;
}
NzSimplex2D::NzSimplex2D(unsigned int seed) : NzSimplex2D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float NzSimplex2D::GetValue(float x, float y, float resolution)
{
x *= resolution;
y *= resolution;
sum = (x + y) * SkewCoeff2D;
skewedCubeOrigin.x = fastfloor(x + sum);
skewedCubeOrigin.y = fastfloor(y + sum);
sum = (skewedCubeOrigin.x + skewedCubeOrigin.y) * UnskewCoeff2D;
unskewedCubeOrigin.x = skewedCubeOrigin.x - sum;
unskewedCubeOrigin.y = skewedCubeOrigin.y - sum;
unskewedDistToOrigin.x = x - unskewedCubeOrigin.x;
unskewedDistToOrigin.y = y - unskewedCubeOrigin.y;
if(unskewedDistToOrigin.x > unskewedDistToOrigin.y)
Simplex2D::Simplex2D()
{
off1.x = 1;
off1.y = 0;
}
else
{
off1.x = 0;
off1.y = 1;
float grad2Temp[][2] = {{1,1},{-1,1},{1,-1},{-1,-1},
{1,0},{-1,0},{0,1},{0,-1}};
for(int i(0) ; i < 8 ; ++i)
for(int j(0) ; j < 2 ; ++j)
gradient2[i][j] = grad2Temp[i][j];
SkewCoeff2D = 0.5f*(std::sqrt(3.f) - 1.f);
UnskewCoeff2D = (3.f-std::sqrt(3.f))/6.f;
}
d1 = - unskewedDistToOrigin;
Simplex2D::Simplex2D(unsigned int seed) : Simplex2D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
d2.x = d1.x + off1.x - UnskewCoeff2D;
d2.y = d1.y + off1.y - UnskewCoeff2D;
float Simplex2D::GetValue(float x, float y, float resolution)
{
x *= resolution;
y *= resolution;
d3.x = d1.x + 1.f - 2.f * UnskewCoeff2D;
d3.y = d1.y + 1.f - 2.f * UnskewCoeff2D;
sum = (x + y) * SkewCoeff2D;
skewedCubeOrigin.x = fastfloor(x + sum);
skewedCubeOrigin.y = fastfloor(y + sum);
ii = skewedCubeOrigin.x & 255;
jj = skewedCubeOrigin.y & 255;
sum = (skewedCubeOrigin.x + skewedCubeOrigin.y) * UnskewCoeff2D;
unskewedCubeOrigin.x = skewedCubeOrigin.x - sum;
unskewedCubeOrigin.y = skewedCubeOrigin.y - sum;
gi0 = perm[ii + perm[jj ]] & 7;
gi1 = perm[ii + off1.x + perm[jj + off1.y]] & 7;
gi2 = perm[ii + 1 + perm[jj + 1 ]] & 7;
unskewedDistToOrigin.x = x - unskewedCubeOrigin.x;
unskewedDistToOrigin.y = y - unskewedCubeOrigin.y;
c1 = 0.5f - d1.x * d1.x - d1.y * d1.y;
c2 = 0.5f - d2.x * d2.x - d2.y * d2.y;
c3 = 0.5f - d3.x * d3.x - d3.y * d3.y;
if(unskewedDistToOrigin.x > unskewedDistToOrigin.y)
{
off1.x = 1;
off1.y = 0;
}
else
{
off1.x = 0;
off1.y = 1;
}
if(c1 < 0)
n1 = 0;
else
n1 = c1*c1*c1*c1*(gradient2[gi0][0] * d1.x + gradient2[gi0][1] * d1.y);
d1 = - unskewedDistToOrigin;
if(c2 < 0)
n2 = 0;
else
n2 = c2*c2*c2*c2*(gradient2[gi1][0] * d2.x + gradient2[gi1][1] * d2.y);
d2.x = d1.x + off1.x - UnskewCoeff2D;
d2.y = d1.y + off1.y - UnskewCoeff2D;
if(c3 < 0)
n3 = 0;
else
n3 = c3*c3*c3*c3*(gradient2[gi2][0] * d3.x + gradient2[gi2][1] * d3.y);
d3.x = d1.x + 1.f - 2.f * UnskewCoeff2D;
d3.y = d1.y + 1.f - 2.f * UnskewCoeff2D;
return (n1+n2+n3)*70.f;
ii = skewedCubeOrigin.x & 255;
jj = skewedCubeOrigin.y & 255;
gi0 = perm[ii + perm[jj ]] & 7;
gi1 = perm[ii + off1.x + perm[jj + off1.y]] & 7;
gi2 = perm[ii + 1 + perm[jj + 1 ]] & 7;
c1 = 0.5f - d1.x * d1.x - d1.y * d1.y;
c2 = 0.5f - d2.x * d2.x - d2.y * d2.y;
c3 = 0.5f - d3.x * d3.x - d3.y * d3.y;
if(c1 < 0)
n1 = 0;
else
n1 = c1*c1*c1*c1*(gradient2[gi0][0] * d1.x + gradient2[gi0][1] * d1.y);
if(c2 < 0)
n2 = 0;
else
n2 = c2*c2*c2*c2*(gradient2[gi1][0] * d2.x + gradient2[gi1][1] * d2.y);
if(c3 < 0)
n3 = 0;
else
n3 = c3*c3*c3*c3*(gradient2[gi2][0] * d3.x + gradient2[gi2][1] * d3.y);
return (n1+n2+n3)*70.f;
}
}

311
src/Nazara/Noise/Simplex3D.cpp
View File

@@ -7,167 +7,170 @@
#include <Nazara/Noise/Simplex3D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzSimplex3D::NzSimplex3D()
namespace Nz
{
SkewCoeff3D = 1/3.f;
UnskewCoeff3D = 1/6.f;
float grad3Temp[][3] = {
{1.f,1.f,0.f},
{-1.f,1.f,0.f},
{1.f,-1.f,0.f},
{-1.f,-1.f,0.f},
{1.f,0.f,1.f},
{-1.f,0.f,1.f},
{1.f,0.f,-1.f},
{-1.f,0.f,-1.f},
{0.f,1.f,1.f},
{0.f,-1.f,1.f},
{0.f,1.f,-1.f},
{0.f,-1.f,-1.f}
};
for(int i(0) ; i < 12 ; ++i)
for(int j(0) ; j < 3 ; ++j)
gradient3[i][j] = grad3Temp[i][j];
}
NzSimplex3D::NzSimplex3D(unsigned int seed) : NzSimplex3D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float NzSimplex3D::GetValue(float x, float y, float z, float resolution)
{
x *= resolution;
y *= resolution;
z *= resolution;
sum = (x + y + z) * SkewCoeff3D;
skewedCubeOrigin.x = fastfloor(x + sum);
skewedCubeOrigin.y = fastfloor(y + sum);
skewedCubeOrigin.z = fastfloor(z + sum);
sum = (skewedCubeOrigin.x + skewedCubeOrigin.y + skewedCubeOrigin.z) * UnskewCoeff3D;
unskewedCubeOrigin.x = skewedCubeOrigin.x - sum;
unskewedCubeOrigin.y = skewedCubeOrigin.y - sum;
unskewedCubeOrigin.z = skewedCubeOrigin.z - sum;
unskewedDistToOrigin.x = x - unskewedCubeOrigin.x;
unskewedDistToOrigin.y = y - unskewedCubeOrigin.y;
unskewedDistToOrigin.z = z - unskewedCubeOrigin.z;
if(unskewedDistToOrigin.x >= unskewedDistToOrigin.y)
Simplex3D::Simplex3D()
{
if(unskewedDistToOrigin.y >= unskewedDistToOrigin.z)
SkewCoeff3D = 1/3.f;
UnskewCoeff3D = 1/6.f;
float grad3Temp[][3] = {
{1.f,1.f,0.f},
{-1.f,1.f,0.f},
{1.f,-1.f,0.f},
{-1.f,-1.f,0.f},
{1.f,0.f,1.f},
{-1.f,0.f,1.f},
{1.f,0.f,-1.f},
{-1.f,0.f,-1.f},
{0.f,1.f,1.f},
{0.f,-1.f,1.f},
{0.f,1.f,-1.f},
{0.f,-1.f,-1.f}
};
for(int i(0) ; i < 12 ; ++i)
for(int j(0) ; j < 3 ; ++j)
gradient3[i][j] = grad3Temp[i][j];
}
Simplex3D::Simplex3D(unsigned int seed) : Simplex3D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float Simplex3D::GetValue(float x, float y, float z, float resolution)
{
x *= resolution;
y *= resolution;
z *= resolution;
sum = (x + y + z) * SkewCoeff3D;
skewedCubeOrigin.x = fastfloor(x + sum);
skewedCubeOrigin.y = fastfloor(y + sum);
skewedCubeOrigin.z = fastfloor(z + sum);
sum = (skewedCubeOrigin.x + skewedCubeOrigin.y + skewedCubeOrigin.z) * UnskewCoeff3D;
unskewedCubeOrigin.x = skewedCubeOrigin.x - sum;
unskewedCubeOrigin.y = skewedCubeOrigin.y - sum;
unskewedCubeOrigin.z = skewedCubeOrigin.z - sum;
unskewedDistToOrigin.x = x - unskewedCubeOrigin.x;
unskewedDistToOrigin.y = y - unskewedCubeOrigin.y;
unskewedDistToOrigin.z = z - unskewedCubeOrigin.z;
if(unskewedDistToOrigin.x >= unskewedDistToOrigin.y)
{
off1.x = 1;
off1.y = 0;
off1.z = 0;
off2.x = 1;
off2.y = 1;
off2.z = 0;
}
else if(unskewedDistToOrigin.x >= unskewedDistToOrigin.z)
{
off1.x = 1;
off1.y = 0;
off1.z = 0;
off2.x = 1;
off2.y = 0;
off2.z = 1;
if(unskewedDistToOrigin.y >= unskewedDistToOrigin.z)
{
off1.x = 1;
off1.y = 0;
off1.z = 0;
off2.x = 1;
off2.y = 1;
off2.z = 0;
}
else if(unskewedDistToOrigin.x >= unskewedDistToOrigin.z)
{
off1.x = 1;
off1.y = 0;
off1.z = 0;
off2.x = 1;
off2.y = 0;
off2.z = 1;
}
else
{
off1.x = 0;
off1.y = 0;
off1.z = 1;
off2.x = 1;
off2.y = 0;
off2.z = 1;
}
}
else
{
off1.x = 0;
off1.y = 0;
off1.z = 1;
off2.x = 1;
off2.y = 0;
off2.z = 1;
}
}
else
{
if(unskewedDistToOrigin.y < unskewedDistToOrigin.z)
{
off1.x = 0;
off1.y = 0;
off1.z = 1;
off2.x = 0;
off2.y = 1;
off2.z = 1;
}
else if(unskewedDistToOrigin.x < unskewedDistToOrigin.z)
{
off1.x = 0;
off1.y = 1;
off1.z = 0;
off2.x = 0;
off2.y = 1;
off2.z = 1;
if(unskewedDistToOrigin.y < unskewedDistToOrigin.z)
{
off1.x = 0;
off1.y = 0;
off1.z = 1;
off2.x = 0;
off2.y = 1;
off2.z = 1;
}
else if(unskewedDistToOrigin.x < unskewedDistToOrigin.z)
{
off1.x = 0;
off1.y = 1;
off1.z = 0;
off2.x = 0;
off2.y = 1;
off2.z = 1;
}
else
{
off1.x = 0;
off1.y = 1;
off1.z = 0;
off2.x = 1;
off2.y = 1;
off2.z = 0;
}
}
d1 = unskewedDistToOrigin;
d2.x = d1.x - off1.x + UnskewCoeff3D;
d2.y = d1.y - off1.y + UnskewCoeff3D;
d2.z = d1.z - off1.z + UnskewCoeff3D;
d3.x = d1.x - off2.x + 2.f*UnskewCoeff3D;
d3.y = d1.y - off2.y + 2.f*UnskewCoeff3D;
d3.z = d1.z - off2.z + 2.f*UnskewCoeff3D;
d4.x = d1.x - 1.f + 3.f*UnskewCoeff3D;
d4.y = d1.y - 1.f + 3.f*UnskewCoeff3D;
d4.z = d1.z - 1.f + 3.f*UnskewCoeff3D;
ii = skewedCubeOrigin.x & 255;
jj = skewedCubeOrigin.y & 255;
kk = skewedCubeOrigin.z & 255;
gi0 = perm[ii + perm[jj + perm[kk ]]] % 12;
gi1 = perm[ii + off1.x + perm[jj + off1.y + perm[kk + off1.z]]] % 12;
gi2 = perm[ii + off2.x + perm[jj + off2.y + perm[kk + off2.z]]] % 12;
gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 ]]] % 12;
c1 = 0.6f - d1.x * d1.x - d1.y * d1.y - d1.z * d1.z;
c2 = 0.6f - d2.x * d2.x - d2.y * d2.y - d2.z * d2.z;
c3 = 0.6f - d3.x * d3.x - d3.y * d3.y - d3.z * d3.z;
c4 = 0.6f - d4.x * d4.x - d4.y * d4.y - d4.z * d4.z;
if(c1 < 0)
n1 = 0;
else
{
off1.x = 0;
off1.y = 1;
off1.z = 0;
off2.x = 1;
off2.y = 1;
off2.z = 0;
}
n1 = c1*c1*c1*c1*(gradient3[gi0][0] * d1.x + gradient3[gi0][1] * d1.y + gradient3[gi0][2] * d1.z);
if(c2 < 0)
n2 = 0;
else
n2 = c2*c2*c2*c2*(gradient3[gi1][0] * d2.x + gradient3[gi1][1] * d2.y + gradient3[gi1][2] * d2.z);
if(c3 < 0)
n3 = 0;
else
n3 = c3*c3*c3*c3*(gradient3[gi2][0] * d3.x + gradient3[gi2][1] * d3.y + gradient3[gi2][2] * d3.z);
if(c4 < 0)
n4 = 0;
else
n4 = c4*c4*c4*c4*(gradient3[gi3][0] * d4.x + gradient3[gi3][1] * d4.y + gradient3[gi3][2] * d4.z);
return (n1+n2+n3+n4)*32;
}
d1 = unskewedDistToOrigin;
d2.x = d1.x - off1.x + UnskewCoeff3D;
d2.y = d1.y - off1.y + UnskewCoeff3D;
d2.z = d1.z - off1.z + UnskewCoeff3D;
d3.x = d1.x - off2.x + 2.f*UnskewCoeff3D;
d3.y = d1.y - off2.y + 2.f*UnskewCoeff3D;
d3.z = d1.z - off2.z + 2.f*UnskewCoeff3D;
d4.x = d1.x - 1.f + 3.f*UnskewCoeff3D;
d4.y = d1.y - 1.f + 3.f*UnskewCoeff3D;
d4.z = d1.z - 1.f + 3.f*UnskewCoeff3D;
ii = skewedCubeOrigin.x & 255;
jj = skewedCubeOrigin.y & 255;
kk = skewedCubeOrigin.z & 255;
gi0 = perm[ii + perm[jj + perm[kk ]]] % 12;
gi1 = perm[ii + off1.x + perm[jj + off1.y + perm[kk + off1.z]]] % 12;
gi2 = perm[ii + off2.x + perm[jj + off2.y + perm[kk + off2.z]]] % 12;
gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 ]]] % 12;
c1 = 0.6f - d1.x * d1.x - d1.y * d1.y - d1.z * d1.z;
c2 = 0.6f - d2.x * d2.x - d2.y * d2.y - d2.z * d2.z;
c3 = 0.6f - d3.x * d3.x - d3.y * d3.y - d3.z * d3.z;
c4 = 0.6f - d4.x * d4.x - d4.y * d4.y - d4.z * d4.z;
if(c1 < 0)
n1 = 0;
else
n1 = c1*c1*c1*c1*(gradient3[gi0][0] * d1.x + gradient3[gi0][1] * d1.y + gradient3[gi0][2] * d1.z);
if(c2 < 0)
n2 = 0;
else
n2 = c2*c2*c2*c2*(gradient3[gi1][0] * d2.x + gradient3[gi1][1] * d2.y + gradient3[gi1][2] * d2.z);
if(c3 < 0)
n3 = 0;
else
n3 = c3*c3*c3*c3*(gradient3[gi2][0] * d3.x + gradient3[gi2][1] * d3.y + gradient3[gi2][2] * d3.z);
if(c4 < 0)
n4 = 0;
else
n4 = c4*c4*c4*c4*(gradient3[gi3][0] * d4.x + gradient3[gi3][1] * d4.y + gradient3[gi3][2] * d4.z);
return (n1+n2+n3+n4)*32;
}

303
src/Nazara/Noise/Simplex4D.cpp
View File

@@ -7,160 +7,163 @@
#include <Nazara/Noise/Simplex4D.hpp>
#include <Nazara/Noise/Debug.hpp>
NzSimplex4D::NzSimplex4D()
namespace Nz
{
SkewCoeff4D = (std::sqrt(5.f) - 1.f)/4.f;
UnskewCoeff4D = (5.f - std::sqrt(5.f))/20.f;
int lookupTemp4D[][4] =
Simplex4D::Simplex4D()
{
{0,1,2,3},{0,1,3,2},{0,0,0,0},{0,2,3,1},{0,0,0,0},{0,0,0,0},{0,0,0,0},{1,2,3,0},
{0,2,1,3},{0,0,0,0},{0,3,1,2},{0,3,2,1},{0,0,0,0},{0,0,0,0},{0,0,0,0},{1,3,2,0},
{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},
{1,2,0,3},{0,0,0,0},{1,3,0,2},{0,0,0,0},{0,0,0,0},{0,0,0,0},{2,3,0,1},{2,3,1,0},
{1,0,2,3},{1,0,3,2},{0,0,0,0},{0,0,0,0},{0,0,0,0},{2,0,3,1},{0,0,0,0},{2,1,3,0},
{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},
{2,0,1,3},{0,0,0,0},{0,0,0,0},{0,0,0,0},{3,0,1,2},{3,0,2,1},{0,0,0,0},{3,1,2,0},
{2,1,0,3},{0,0,0,0},{0,0,0,0},{0,0,0,0},{3,1,0,2},{0,0,0,0},{3,2,0,1},{3,2,1,0}
};
SkewCoeff4D = (std::sqrt(5.f) - 1.f)/4.f;
UnskewCoeff4D = (5.f - std::sqrt(5.f))/20.f;
for(int i(0) ; i < 64 ; ++i)
for(int j(0) ; j < 4 ; ++j)
lookupTable4D[i][j] = lookupTemp4D[i][j];
int lookupTemp4D[][4] =
{
{0,1,2,3},{0,1,3,2},{0,0,0,0},{0,2,3,1},{0,0,0,0},{0,0,0,0},{0,0,0,0},{1,2,3,0},
{0,2,1,3},{0,0,0,0},{0,3,1,2},{0,3,2,1},{0,0,0,0},{0,0,0,0},{0,0,0,0},{1,3,2,0},
{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},
{1,2,0,3},{0,0,0,0},{1,3,0,2},{0,0,0,0},{0,0,0,0},{0,0,0,0},{2,3,0,1},{2,3,1,0},
{1,0,2,3},{1,0,3,2},{0,0,0,0},{0,0,0,0},{0,0,0,0},{2,0,3,1},{0,0,0,0},{2,1,3,0},
{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},{0,0,0,0},
{2,0,1,3},{0,0,0,0},{0,0,0,0},{0,0,0,0},{3,0,1,2},{3,0,2,1},{0,0,0,0},{3,1,2,0},
{2,1,0,3},{0,0,0,0},{0,0,0,0},{0,0,0,0},{3,1,0,2},{0,0,0,0},{3,2,0,1},{3,2,1,0}
};
float grad4Temp[][4] =
for(int i(0) ; i < 64 ; ++i)
for(int j(0) ; j < 4 ; ++j)
lookupTable4D[i][j] = lookupTemp4D[i][j];
float grad4Temp[][4] =
{
{0.f,1.f,1.f,1.f}, {0.f,1.f,1.f,-1.f}, {0.f,1.f,-1.f,1.f}, {0.f,1.f,-1.f,-1.f},
{0.f,-1.f,1.f,1.f},{0.f,-1.f,1.f,-1.f},{0.f,-1.f,-1.f,1.f},{0.f,-1.f,-1.f,-1.f},
{1.f,0.f,1.f,1.f}, {1.f,0.f,1.f,-1.f}, {1.f,0.f,-1.f,1.f}, {1.f,0.f,-1.f,-1.f},
{-1.f,0.f,1.f,1.f},{-1.f,0.f,1.f,-1.f},{-1.f,0.f,-1.f,1.f},{-1.f,0.f,-1.f,-1.f},
{1.f,1.f,0.f,1.f}, {1.f,1.f,0.f,-1.f}, {1.f,-1.f,0.f,1.f}, {1.f,-1.f,0.f,-1.f},
{-1.f,1.f,0.f,1.f},{-1.f,1.f,0.f,-1.f},{-1.f,-1.f,0.f,1.f},{-1.f,-1.f,0.f,-1.f},
{1.f,1.f,1.f,0.f}, {1.f,1.f,-1.f,0.f}, {1.f,-1.f,1.f,0.f}, {1.f,-1.f,-1.f,0.f},
{-1.f,1.f,1.f,0.f},{-1.f,1.f,-1.f,0.f},{-1.f,-1.f,1.f,0.f},{-1.f,-1.f,-1.f,0.f}
};
for(int i(0) ; i < 32 ; ++i)
for(int j(0) ; j < 4 ; ++j)
gradient4[i][j] = grad4Temp[i][j];
}
Simplex4D::Simplex4D(unsigned int seed) : Simplex4D()
{
{0.f,1.f,1.f,1.f}, {0.f,1.f,1.f,-1.f}, {0.f,1.f,-1.f,1.f}, {0.f,1.f,-1.f,-1.f},
{0.f,-1.f,1.f,1.f},{0.f,-1.f,1.f,-1.f},{0.f,-1.f,-1.f,1.f},{0.f,-1.f,-1.f,-1.f},
{1.f,0.f,1.f,1.f}, {1.f,0.f,1.f,-1.f}, {1.f,0.f,-1.f,1.f}, {1.f,0.f,-1.f,-1.f},
{-1.f,0.f,1.f,1.f},{-1.f,0.f,1.f,-1.f},{-1.f,0.f,-1.f,1.f},{-1.f,0.f,-1.f,-1.f},
{1.f,1.f,0.f,1.f}, {1.f,1.f,0.f,-1.f}, {1.f,-1.f,0.f,1.f}, {1.f,-1.f,0.f,-1.f},
{-1.f,1.f,0.f,1.f},{-1.f,1.f,0.f,-1.f},{-1.f,-1.f,0.f,1.f},{-1.f,-1.f,0.f,-1.f},
{1.f,1.f,1.f,0.f}, {1.f,1.f,-1.f,0.f}, {1.f,-1.f,1.f,0.f}, {1.f,-1.f,-1.f,0.f},
{-1.f,1.f,1.f,0.f},{-1.f,1.f,-1.f,0.f},{-1.f,-1.f,1.f,0.f},{-1.f,-1.f,-1.f,0.f}
};
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
for(int i(0) ; i < 32 ; ++i)
for(int j(0) ; j < 4 ; ++j)
gradient4[i][j] = grad4Temp[i][j];
}
NzSimplex4D::NzSimplex4D(unsigned int seed) : NzSimplex4D()
{
this->SetNewSeed(seed);
this->ShufflePermutationTable();
}
float NzSimplex4D::GetValue(float x, float y, float z, float w, float resolution)
{
x *= resolution;
y *= resolution;
z *= resolution;
w *= resolution;
sum = (x + y + z + w) * SkewCoeff4D;
skewedCubeOrigin.x = fastfloor(x + sum);
skewedCubeOrigin.y = fastfloor(y + sum);
skewedCubeOrigin.z = fastfloor(z + sum);
skewedCubeOrigin.w = fastfloor(w + sum);
sum = (skewedCubeOrigin.x + skewedCubeOrigin.y + skewedCubeOrigin.z + skewedCubeOrigin.w) * UnskewCoeff4D;
unskewedCubeOrigin.x = skewedCubeOrigin.x - sum;
unskewedCubeOrigin.y = skewedCubeOrigin.y - sum;
unskewedCubeOrigin.z = skewedCubeOrigin.z - sum;
unskewedCubeOrigin.w = skewedCubeOrigin.w - sum;
unskewedDistToOrigin.x = x - unskewedCubeOrigin.x;
unskewedDistToOrigin.y = y - unskewedCubeOrigin.y;
unskewedDistToOrigin.z = z - unskewedCubeOrigin.z;
unskewedDistToOrigin.w = w - unskewedCubeOrigin.w;
c1 = (unskewedDistToOrigin.x > unskewedDistToOrigin.y) ? 32 : 0;
c2 = (unskewedDistToOrigin.x > unskewedDistToOrigin.z) ? 16 : 0;
c3 = (unskewedDistToOrigin.y > unskewedDistToOrigin.z) ? 8 : 0;
c4 = (unskewedDistToOrigin.x > unskewedDistToOrigin.w) ? 4 : 0;
c5 = (unskewedDistToOrigin.y > unskewedDistToOrigin.w) ? 2 : 0;
c6 = (unskewedDistToOrigin.z > unskewedDistToOrigin.w) ? 1 : 0;
c = c1 + c2 + c3 + c4 + c5 + c6;
off1.x = lookupTable4D[c][0] >= 3 ? 1 : 0;
off1.y = lookupTable4D[c][1] >= 3 ? 1 : 0;
off1.z = lookupTable4D[c][2] >= 3 ? 1 : 0;
off1.w = lookupTable4D[c][3] >= 3 ? 1 : 0;
off2.x = lookupTable4D[c][0] >= 2 ? 1 : 0;
off2.y = lookupTable4D[c][1] >= 2 ? 1 : 0;
off2.z = lookupTable4D[c][2] >= 2 ? 1 : 0;
off2.w = lookupTable4D[c][3] >= 2 ? 1 : 0;
off3.x = lookupTable4D[c][0] >= 1 ? 1 : 0;
off3.y = lookupTable4D[c][1] >= 1 ? 1 : 0;
off3.z = lookupTable4D[c][2] >= 1 ? 1 : 0;
off3.w = lookupTable4D[c][3] >= 1 ? 1 : 0;
d1 = unskewedDistToOrigin;
d2.x = d1.x - off1.x + UnskewCoeff4D;
d2.y = d1.y - off1.y + UnskewCoeff4D;
d2.z = d1.z - off1.z + UnskewCoeff4D;
d2.w = d1.w - off1.w + UnskewCoeff4D;
d3.x = d1.x - off2.x + 2.f*UnskewCoeff4D;
d3.y = d1.y - off2.y + 2.f*UnskewCoeff4D;
d3.z = d1.z - off2.z + 2.f*UnskewCoeff4D;
d3.w = d1.w - off2.w + 2.f*UnskewCoeff4D;
d4.x = d1.x - off3.x + 3.f*UnskewCoeff4D;
d4.y = d1.y - off3.y + 3.f*UnskewCoeff4D;
d4.z = d1.z - off3.z + 3.f*UnskewCoeff4D;
d4.w = d1.w - off3.w + 3.f*UnskewCoeff4D;
d5.x = d1.x - 1.f + 4*UnskewCoeff4D;
d5.y = d1.y - 1.f + 4*UnskewCoeff4D;
d5.z = d1.z - 1.f + 4*UnskewCoeff4D;
d5.w = d1.w - 1.f + 4*UnskewCoeff4D;
ii = skewedCubeOrigin.x & 255;
jj = skewedCubeOrigin.y & 255;
kk = skewedCubeOrigin.z & 255;
ll = skewedCubeOrigin.w & 255;
gi0 = perm[ii + perm[jj + perm[kk + perm[ll]]]] & 31;
gi1 = perm[ii + off1.x + perm[jj + off1.y + perm[kk + off1.z + perm[ll + off1.w]]]] & 31;
gi2 = perm[ii + off2.x + perm[jj + off2.y + perm[kk + off2.z + perm[ll + off2.w]]]] & 31;
gi3 = perm[ii + off3.x + perm[jj + off3.y + perm[kk + off3.z + perm[ll + off3.w]]]] & 31;
gi4 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] % 32;
c1 = 0.6f - d1.x*d1.x - d1.y*d1.y - d1.z*d1.z - d1.w*d1.w;
c2 = 0.6f - d2.x*d2.x - d2.y*d2.y - d2.z*d2.z - d2.w*d2.w;
c3 = 0.6f - d3.x*d3.x - d3.y*d3.y - d3.z*d3.z - d3.w*d3.w;
c4 = 0.6f - d4.x*d4.x - d4.y*d4.y - d4.z*d4.z - d4.w*d4.w;
c5 = 0.6f - d5.x*d5.x - d5.y*d5.y - d5.z*d5.z - d5.w*d5.w;
if(c1 < 0)
n1 = 0;
else
n1 = c1*c1*c1*c1*(gradient4[gi0][0]*d1.x + gradient4[gi0][1]*d1.y + gradient4[gi0][2]*d1.z + gradient4[gi0][3]*d1.w);
if(c2 < 0)
n2 = 0;
else
n2 = c2*c2*c2*c2*(gradient4[gi1][0]*d2.x + gradient4[gi1][1]*d2.y + gradient4[gi1][2]*d2.z + gradient4[gi1][3]*d2.w);
if(c3 < 0)
n3 = 0;
else
n3 = c3*c3*c3*c3*(gradient4[gi2][0]*d3.x + gradient4[gi2][1]*d3.y + gradient4[gi2][2]*d3.z + gradient4[gi2][3]*d3.w);
if(c4 < 0)
n4 = 0;
else
n4 = c4*c4*c4*c4*(gradient4[gi3][0]*d4.x + gradient4[gi3][1]*d4.y + gradient4[gi3][2]*d4.z + gradient4[gi3][3]*d4.w);
if(c5 < 0)
n5 = 0;
else
n5 = c5*c5*c5*c5*(gradient4[gi4][0]*d5.x + gradient4[gi4][1]*d5.y + gradient4[gi4][2]*d5.z + gradient4[gi4][3]*d5.w);
return (n1+n2+n3+n4+n5)*27.f;
float Simplex4D::GetValue(float x, float y, float z, float w, float resolution)
{
x *= resolution;
y *= resolution;
z *= resolution;
w *= resolution;
sum = (x + y + z + w) * SkewCoeff4D;
skewedCubeOrigin.x = fastfloor(x + sum);
skewedCubeOrigin.y = fastfloor(y + sum);
skewedCubeOrigin.z = fastfloor(z + sum);
skewedCubeOrigin.w = fastfloor(w + sum);
sum = (skewedCubeOrigin.x + skewedCubeOrigin.y + skewedCubeOrigin.z + skewedCubeOrigin.w) * UnskewCoeff4D;
unskewedCubeOrigin.x = skewedCubeOrigin.x - sum;
unskewedCubeOrigin.y = skewedCubeOrigin.y - sum;
unskewedCubeOrigin.z = skewedCubeOrigin.z - sum;
unskewedCubeOrigin.w = skewedCubeOrigin.w - sum;
unskewedDistToOrigin.x = x - unskewedCubeOrigin.x;
unskewedDistToOrigin.y = y - unskewedCubeOrigin.y;
unskewedDistToOrigin.z = z - unskewedCubeOrigin.z;
unskewedDistToOrigin.w = w - unskewedCubeOrigin.w;
c1 = (unskewedDistToOrigin.x > unskewedDistToOrigin.y) ? 32 : 0;
c2 = (unskewedDistToOrigin.x > unskewedDistToOrigin.z) ? 16 : 0;
c3 = (unskewedDistToOrigin.y > unskewedDistToOrigin.z) ? 8 : 0;
c4 = (unskewedDistToOrigin.x > unskewedDistToOrigin.w) ? 4 : 0;
c5 = (unskewedDistToOrigin.y > unskewedDistToOrigin.w) ? 2 : 0;
c6 = (unskewedDistToOrigin.z > unskewedDistToOrigin.w) ? 1 : 0;
c = c1 + c2 + c3 + c4 + c5 + c6;
off1.x = lookupTable4D[c][0] >= 3 ? 1 : 0;
off1.y = lookupTable4D[c][1] >= 3 ? 1 : 0;
off1.z = lookupTable4D[c][2] >= 3 ? 1 : 0;
off1.w = lookupTable4D[c][3] >= 3 ? 1 : 0;
off2.x = lookupTable4D[c][0] >= 2 ? 1 : 0;
off2.y = lookupTable4D[c][1] >= 2 ? 1 : 0;
off2.z = lookupTable4D[c][2] >= 2 ? 1 : 0;
off2.w = lookupTable4D[c][3] >= 2 ? 1 : 0;
off3.x = lookupTable4D[c][0] >= 1 ? 1 : 0;
off3.y = lookupTable4D[c][1] >= 1 ? 1 : 0;
off3.z = lookupTable4D[c][2] >= 1 ? 1 : 0;
off3.w = lookupTable4D[c][3] >= 1 ? 1 : 0;
d1 = unskewedDistToOrigin;
d2.x = d1.x - off1.x + UnskewCoeff4D;
d2.y = d1.y - off1.y + UnskewCoeff4D;
d2.z = d1.z - off1.z + UnskewCoeff4D;
d2.w = d1.w - off1.w + UnskewCoeff4D;
d3.x = d1.x - off2.x + 2.f*UnskewCoeff4D;
d3.y = d1.y - off2.y + 2.f*UnskewCoeff4D;
d3.z = d1.z - off2.z + 2.f*UnskewCoeff4D;
d3.w = d1.w - off2.w + 2.f*UnskewCoeff4D;
d4.x = d1.x - off3.x + 3.f*UnskewCoeff4D;
d4.y = d1.y - off3.y + 3.f*UnskewCoeff4D;
d4.z = d1.z - off3.z + 3.f*UnskewCoeff4D;
d4.w = d1.w - off3.w + 3.f*UnskewCoeff4D;
d5.x = d1.x - 1.f + 4*UnskewCoeff4D;
d5.y = d1.y - 1.f + 4*UnskewCoeff4D;
d5.z = d1.z - 1.f + 4*UnskewCoeff4D;
d5.w = d1.w - 1.f + 4*UnskewCoeff4D;
ii = skewedCubeOrigin.x & 255;
jj = skewedCubeOrigin.y & 255;
kk = skewedCubeOrigin.z & 255;
ll = skewedCubeOrigin.w & 255;
gi0 = perm[ii + perm[jj + perm[kk + perm[ll]]]] & 31;
gi1 = perm[ii + off1.x + perm[jj + off1.y + perm[kk + off1.z + perm[ll + off1.w]]]] & 31;
gi2 = perm[ii + off2.x + perm[jj + off2.y + perm[kk + off2.z + perm[ll + off2.w]]]] & 31;
gi3 = perm[ii + off3.x + perm[jj + off3.y + perm[kk + off3.z + perm[ll + off3.w]]]] & 31;
gi4 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] % 32;
c1 = 0.6f - d1.x*d1.x - d1.y*d1.y - d1.z*d1.z - d1.w*d1.w;
c2 = 0.6f - d2.x*d2.x - d2.y*d2.y - d2.z*d2.z - d2.w*d2.w;
c3 = 0.6f - d3.x*d3.x - d3.y*d3.y - d3.z*d3.z - d3.w*d3.w;
c4 = 0.6f - d4.x*d4.x - d4.y*d4.y - d4.z*d4.z - d4.w*d4.w;
c5 = 0.6f - d5.x*d5.x - d5.y*d5.y - d5.z*d5.z - d5.w*d5.w;
if(c1 < 0)
n1 = 0;
else
n1 = c1*c1*c1*c1*(gradient4[gi0][0]*d1.x + gradient4[gi0][1]*d1.y + gradient4[gi0][2]*d1.z + gradient4[gi0][3]*d1.w);
if(c2 < 0)
n2 = 0;
else
n2 = c2*c2*c2*c2*(gradient4[gi1][0]*d2.x + gradient4[gi1][1]*d2.y + gradient4[gi1][2]*d2.z + gradient4[gi1][3]*d2.w);
if(c3 < 0)
n3 = 0;
else
n3 = c3*c3*c3*c3*(gradient4[gi2][0]*d3.x + gradient4[gi2][1]*d3.y + gradient4[gi2][2]*d3.z + gradient4[gi2][3]*d3.w);
if(c4 < 0)
n4 = 0;
else
n4 = c4*c4*c4*c4*(gradient4[gi3][0]*d4.x + gradient4[gi3][1]*d4.y + gradient4[gi3][2]*d4.z + gradient4[gi3][3]*d4.w);
if(c5 < 0)
n5 = 0;
else
n5 = c5*c5*c5*c5*(gradient4[gi4][0]*d5.x + gradient4[gi4][1]*d5.y + gradient4[gi4][2]*d5.z + gradient4[gi4][3]*d5.w);
return (n1+n2+n3+n4+n5)*27.f;
}
}