Lynix
commit
b1632842ae
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project "NazaraNoise"
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files
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{
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"../include/Nazara/Noise/**.hpp",
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"../include/Nazara/Noise/**.inl",
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"../src/Nazara/Noise/**.hpp",
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"../src/Nazara/Noise/**.cpp"
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}
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if (os.is("windows")) then
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excludes { "../src/Nazara/Noise/Posix/*.hpp", "../src/Nazara/Noise/Posix/*.cpp" }
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else
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excludes { "../src/Nazara/Noise/Win32/*.hpp", "../src/Nazara/Noise/Win32/*.cpp" }
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end
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configuration "DebugStatic"
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links "NazaraCored-s"
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targetname "NazaraNoised"
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configuration "ReleaseStatic"
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links "NazaraCore-s"
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targetname "NazaraNoise"
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configuration "DebugDLL"
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links "NazaraCored"
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targetname "NazaraNoised"
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configuration "ReleaseDLL"
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links "NazaraCore"
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targetname "NazaraNoise"
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef COMPLEXNOISEBASE_HPP
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#define COMPLEXNOISEBASE_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Noise/NoiseBase.hpp>
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class NAZARA_API NzComplexNoiseBase : public NzNoiseBase
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{
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public:
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NzComplexNoiseBase();
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~NzComplexNoiseBase() = default;
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void SetLacunarity(float lacunarity);
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void SetHurstParameter(float h);
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void SetOctavesNumber(float octaves);
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void RecomputeExponentArray();
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protected:
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float m_lacunarity;
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float m_hurst;
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float m_octaves;
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float exponent_array[30];
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float m_sum;
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private:
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bool m_parametersModified;
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};
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#endif // COMPLEXNOISEBASE_HPP
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/*
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Nazara Engine
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Copyright (C) 2012 Jérôme "Lynix" Leclercq (Lynix680@gmail.com)
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Nazara Engine - NzNoise Module
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Copyright (C) 2012 Rémi "Overdrivr" Bèges (remi.beges@laposte.net)
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#pragma once
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#ifndef NAZARA_CONFIG_NOISE_HPP
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#define NAZARA_CONFIG_NOISE_HPP
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/// Chaque modification d'un paramètre du module nécessite une recompilation de celui-ci
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// Utilise un tracker pour repérer les éventuels leaks (Ralentit l'exécution)
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#define NAZARA_NOISE_MEMORYLEAKTRACKER 0
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// Active les tests de sécurité basés sur le code (Conseillé pour le développement)
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#define NAZARA_NOISE_SAFE 1
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#endif // NAZARA_CONFIG_MODULENAME_HPP
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// Copyright (C) 2012 Rémi "Overdrivr" Bèges (remi.beges@laposte.net)
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Noise/Config.hpp>
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#if NAZARA_NOISE_MEMORYLEAKTRACKER || defined(NAZARA_DEBUG)
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#include <Nazara/Core/Debug/MemoryLeakTracker.hpp>
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#define delete NzMemoryManager::NextFree(__FILE__, __LINE__), delete
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#define new new(__FILE__, __LINE__)
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#endif
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// Copyright (C) 2012 Rémi "Overdrivr" Bèges (remi.beges@laposte.net)
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#if NAZARA_NOISE_MEMORYLEAKTRACKER || defined(NAZARA_DEBUG)
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#undef delete
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#undef new
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#endif
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_NOISE_HPP
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#define NAZARA_NOISE_HPP
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#include <Nazara/Prerequesites.hpp>
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class NAZARA_API NzNoise
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{
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public:
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NzNoise();
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~NzNoise();
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bool Initialize();
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void Uninitialize();
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static bool IsInitialized();
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private:
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static bool s_initialized;
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};
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#endif // NOISE_HPP
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NOISEBASE_HPP
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#define NOISEBASE_HPP
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#include <Nazara/Prerequesites.hpp>
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class NAZARA_API NzNoiseBase
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{
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public:
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NzNoiseBase(int seed = 0);
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~NzNoiseBase() = default;
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void SetNewSeed(int seed);
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int GetUniformRandomValue();
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void ShufflePermutationTable();
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int fastfloor(float n);
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int JenkinsHash(int a, int b, int c);
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protected:
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int perm[512];
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private:
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int Ua, Uc, Um;
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int UcurrentSeed;
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int Uprevious, Ulast;
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};
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#endif // NOISEBASE_HPP
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NOISEMACHINE_HPP
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#define NOISEMACHINE_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Noise/ComplexNoiseBase.hpp>
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#include <Nazara/Math/Vector2.hpp>
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#include <Nazara/Math/Vector3.hpp>
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#include <Nazara/Math/Vector4.hpp>
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class NAZARA_API NzNoiseMachine : public NzComplexNoiseBase
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{
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public:
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NzNoiseMachine(int seed = 0);
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~NzNoiseMachine() = default;
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float Get2DPerlinNoiseValue (float x, float y, float res);
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float Get3DPerlinNoiseValue (float x, float y, float z, float res);
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float Get4DPerlinNoiseValue (float x, float y, float z, float w, float res);
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float Get2DSimplexNoiseValue(float x, float y, float res);
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float Get3DSimplexNoiseValue(float x, float y, float z, float res);
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float Get4DSimplexNoiseValue(float x, float y, float z, float w, float res);
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float Get2DCellNoiseValue(float x, float y, float res);
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float Get3DCellNoiseValue(float x, float y, float z, float res);
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float Get4DCellNoiseValue(float x, float y, float z, float w, float res);
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float Get2DFBMNoiseValue(float x, float y, float res);
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float Get3DFBMNoiseValue(float x, float y, float z, float res);
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float Get2DHybridMultiFractalNoiseValue(float x, float y, float res);
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float Get3DHybridMultiFractalNoiseValue(float x, float y, float z, float res);
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protected:
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private:
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float gradient2[8][2];
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int gradient3[16][3];
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int gradient4[32][4];
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int lookupTable4D[64][4];
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//----------------------- Common variables --------------------------------------
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int ii,jj,kk,ll;
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int gi0,gi1,gi2,gi3,gi4,gi5,gi6,gi7,gi8,gi9,gi10,gi11,gi12,gi13,gi14,gi15;
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//----------------------- Simplex variables --------------------------------------
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float n1, n2, n3, n4, n5;
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NzVector4f d1,d2,d3,d4,d5,unskewedCubeOrigin,unskewedDistToOrigin;
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NzVector4i off1, off2,off3,skewedCubeOrigin;
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float c1,c2,c3,c4,c5,c6;
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int c;
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float SkewCoeff2D;
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float UnskewCoeff2D;
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float SkewCoeff3D;
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float UnskewCoeff3D;
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float SkewCoeff4D;
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float UnskewCoeff4D;
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float sum;
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//----------------------- Perlin Variables -------------------------------------
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int x0,y0,z0,w0;
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float Li1,Li2,Li3,Li4,Li5,Li6,Li7,Li8,Li9,Li10,Li11,Li12,Li13,Li14;
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float s[4],t[4],u[4],v[4];
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float Cx, Cy, Cz, Cw;
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NzVector4f temp;
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float tmp;
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//---------------------- Complex Noise Variables --------------------------------
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bool first;
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float value;
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float remainder;
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float smax;
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float smin;
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};
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#endif // NOISEMACHINE_HPP
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef PERLIN2D_HPP
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#define PERLIN2D_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Noise/NoiseBase.hpp>
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#include <Nazara/Math/Vector2.hpp>
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template <typename T> class NAZARA_API NzPerlin2D : public NzNoiseBase
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{
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public:
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NzPerlin2D();
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T GetValue(T x, T y, T res);
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~NzPerlin2D() = default;
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protected:
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private:
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int x0, y0;
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int gi0,gi1,gi2,gi3;
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int ii, jj;
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T gradient2[8][2];
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T s,t,u,v;
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T Cx,Cy;
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T Li1, Li2;
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NzVector2<T> temp;
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};
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typedef NzPerlin2D<float> NzPerlin2Df;
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typedef NzPerlin2D<double> NzPerlin2Dd;
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#include <Nazara/Noise/Perlin2D.inl>
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#endif // PERLIN2D_HPP
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Noise/Config.hpp>
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#include <Nazara/Noise/Debug.hpp>
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template <typename T>
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NzPerlin2D<T>::NzPerlin2D()
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{
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T grad2Temp[][2] = {{1,1},{-1,1},{1,-1},{-1,-1},
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{1,0},{-1,0},{0,1},{0,-1}};
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for(int i(0) ; i < 8 ; ++i)
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for(int j(0) ; j < 2 ; ++j)
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gradient2[i][j] = grad2Temp[i][j];
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}
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template <typename T>
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T NzPerlin2D<T>::GetValue(T x, T y, T res)
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{
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x /= res;
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y /= res;
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x0 = fastfloor(x);
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y0 = fastfloor(y);
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ii = x0 & 255;
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jj = y0 & 255;
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gi0 = perm[ii + perm[jj]] & 7;
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gi1 = perm[ii + 1 + perm[jj]] & 7;
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gi2 = perm[ii + perm[jj + 1]] & 7;
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gi3 = perm[ii + 1 + perm[jj + 1]] & 7;
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temp.x = x-x0;
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temp.y = y-y0;
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Cx = temp.x * temp.x * temp.x * (temp.x * (temp.x * 6 - 15) + 10);
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Cy = temp.y * temp.y * temp.y * (temp.y * (temp.y * 6 - 15) + 10);
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s = gradient2[gi0][0]*temp.x + gradient2[gi0][1]*temp.y;
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temp.x = x-(x0+1);
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t = gradient2[gi1][0]*temp.x + gradient2[gi1][1]*temp.y;
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temp.y = y-(y0+1);
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v = gradient2[gi3][0]*temp.x + gradient2[gi3][1]*temp.y;
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temp.x = x-x0;
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u = gradient2[gi2][0]*temp.x + gradient2[gi2][1]*temp.y;
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Li1 = s + Cx*(t-s);
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Li2 = u + Cx*(v-u);
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return Li1 + Cy*(Li2-Li1);
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}
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#include <Nazara/Core/DebugOff.hpp>
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@ -0,0 +1,40 @@
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// Copyright (C) 2012 Rémi Bèges
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// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
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|
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#pragma once
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#ifndef PERLIN3D_HPP
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#define PERLIN3D_HPP
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Noise/NoiseBase.hpp>
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#include <Nazara/Math/Vector3.hpp>
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template <typename T> class NAZARA_API NzPerlin3D : public NzNoiseBase
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{
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public:
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NzPerlin3D();
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T GetValue(T x, T y, T z, T res);
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~NzPerlin3D() = default;
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protected:
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private:
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int x0,y0,z0;
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int gi0,gi1,gi2,gi3,gi4,gi5,gi6,gi7;
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int ii,jj,kk;
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int gradient3[16][3];
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T Li1,Li2,Li3,Li4,Li5,Li6;
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T s[2],t[2],u[2],v[2];
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T Cx,Cy,Cz;
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T nx,ny,nz;
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T tmp;
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NzVector3<T> temp;
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|
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};
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typedef NzPerlin3D<float> NzPerlin3Df;
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typedef NzPerlin3D<double> NzPerlin3Dd;
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#include <Nazara/Noise/Perlin3D.inl>
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#endif // PERLIN3D_HPP
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// Copyright (C) 2012 Rémi Bèges
|
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// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Core/Error.hpp>
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#include <Nazara/Noise/Config.hpp>
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#include <Nazara/Noise/Debug.hpp>
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template <typename T>
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NzPerlin3D<T>::NzPerlin3D()
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{
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int grad3Temp[][3] = {
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{1,1,0},{-1,1,0},{1,-1,0},{-1,-1,0},
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{1,0,1},{-1,0,1},{1,0,-1},{-1,0,-1},
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{0,1,1},{0,-1,1},{0,1,-1},{0,-1,-1},
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{1,1,0},{-1,1,0},{0,-1,1},{0,-1,-1}
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};
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for(int i(0) ; i < 16 ; ++i)
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for(int j(0) ; j < 3 ; ++j)
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gradient3[i][j] = grad3Temp[i][j];
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}
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template <typename T>
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T NzPerlin3D<T>::GetValue(T x, T y, T z, T res)
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{
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x /= res;
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y /= res;
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z /= res;
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x0 = fastfloor(x);
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y0 = fastfloor(y);
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z0 = fastfloor(z);
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ii = x0 & 255;
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||||
jj = y0 & 255;
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kk = z0 & 255;
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gi0 = perm[ii + perm[jj + perm[kk]]] & 15;
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gi1 = perm[ii + 1 + perm[jj + perm[kk]]] & 15;
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gi2 = perm[ii + perm[jj + 1 + perm[kk]]] & 15;
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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);
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
|
|
@ -0,0 +1,40 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef PERLIN4D_HPP
|
||||
#define PERLIN4D_HPP
|
||||
|
||||
#include <Nazara/Prerequesites.hpp>
|
||||
#include <Nazara/Noise/NoiseBase.hpp>
|
||||
#include <Nazara/Math/Vector4.hpp>
|
||||
|
||||
template <typename T> class NAZARA_API NzPerlin4D : public NzNoiseBase
|
||||
{
|
||||
public:
|
||||
NzPerlin4D();
|
||||
T GetValue(T x, T y, T z, T w, T res);
|
||||
~NzPerlin4D() = default;
|
||||
protected:
|
||||
private:
|
||||
int x0,y0,z0,w0;
|
||||
int gi0,gi1,gi2,gi3,gi4,gi5,gi6,gi7,gi8,gi9,gi10,gi11,gi12,gi13,gi14,gi15;
|
||||
int ii,jj,kk,ll;
|
||||
int gradient4[32][4];
|
||||
T Li1,Li2,Li3,Li4,Li5,Li6,Li7,Li8,Li9,Li10,Li11,Li12,Li13,Li14;
|
||||
T s[4],t[4],u[4],v[4];
|
||||
T Cx,Cy,Cz,Cw;
|
||||
T nx,ny,nz,nw;
|
||||
T tmp;
|
||||
NzVector4<T> temp;
|
||||
|
||||
};
|
||||
|
||||
typedef NzPerlin4D<float> NzPerlin4Df;
|
||||
typedef NzPerlin4D<double> NzPerlin4Dd;
|
||||
|
||||
#include <Nazara/Noise/Perlin4D.inl>
|
||||
|
||||
#endif // PERLIN4D_HPP
|
||||
|
|
@ -0,0 +1,150 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
template <typename T>
|
||||
NzPerlin4D<T>::NzPerlin4D()
|
||||
{
|
||||
int 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];
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
T NzPerlin4D<T>::GetValue(T x, T y, T z, T w, T res)
|
||||
{
|
||||
nx = x/res;
|
||||
ny = y/res;
|
||||
nz = z/res;
|
||||
nw = w/res;
|
||||
|
||||
x0 = fastfloor(nx);
|
||||
y0 = fastfloor(ny);
|
||||
z0 = fastfloor(nz);
|
||||
w0 = fastfloor(nw);
|
||||
|
||||
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 = nx-x0;
|
||||
temp.y = ny-y0;
|
||||
temp.z = nz-z0;
|
||||
temp.w = nw-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 = nx-(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 = ny-(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 = nx-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 = ny-y0;
|
||||
temp.z = nz-(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 = nx-(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 = ny-(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 = nx-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 = ny-y0;
|
||||
temp.z = nz-z0;
|
||||
temp.w = nw-(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 = nx-(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 = ny-(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 = nx-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 = ny-y0;
|
||||
temp.z = nz-(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 = nx-(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 = ny-(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 = nx-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);
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef SIMPLEX2D_HPP
|
||||
#define SIMPLEX2D_HPP
|
||||
|
||||
#include <Nazara/Prerequesites.hpp>
|
||||
#include <Nazara/Noise/NoiseBase.hpp>
|
||||
#include <Nazara/Math/Vector2.hpp>
|
||||
|
||||
template <typename T> class NAZARA_API NzSimplex2D : public NzNoiseBase
|
||||
{
|
||||
public:
|
||||
NzSimplex2D();
|
||||
T GetValue(T x, T y, T res);
|
||||
~NzSimplex2D() = default;
|
||||
protected:
|
||||
private:
|
||||
int ii,jj;
|
||||
int gi0,gi1,gi2;
|
||||
NzVector2i skewedCubeOrigin,off1;
|
||||
T n1,n2,n3;
|
||||
T c1,c2,c3;
|
||||
T gradient2[8][2];
|
||||
T UnskewCoeff2D;
|
||||
T SkewCoeff2D;
|
||||
T sum;
|
||||
NzVector2<T> unskewedCubeOrigin, unskewedDistToOrigin;
|
||||
NzVector2<T> d1,d2,d3;
|
||||
|
||||
|
||||
};
|
||||
|
||||
typedef NzSimplex2D<float> NzSimplex2Df;
|
||||
typedef NzSimplex2D<double> NzSimplex2Dd;
|
||||
|
||||
#include <Nazara/Noise/Simplex2D.inl>
|
||||
|
||||
#endif // SIMPLEX2D_HPP
|
||||
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
template <typename T>
|
||||
NzSimplex2D<T>::NzSimplex2D()
|
||||
{
|
||||
T 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 = 0.5*(sqrt(3.0) - 1.0);
|
||||
UnskewCoeff2D = (3.0-sqrt(3.0))/6.;
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
T NzSimplex2D<T>::GetValue(T x, T y, T res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
|
||||
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)
|
||||
{
|
||||
off1.x = 1;
|
||||
off1.y = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
off1.x = 0;
|
||||
off1.y = 1;
|
||||
}
|
||||
|
||||
d1 = - unskewedDistToOrigin;
|
||||
|
||||
d2.x = d1.x + off1.x - UnskewCoeff2D;
|
||||
d2.y = d1.y + off1.y - UnskewCoeff2D;
|
||||
|
||||
d3.x = d1.x + 1.0 - 2 * UnskewCoeff2D;
|
||||
d3.y = d1.y + 1.0 - 2 * UnskewCoeff2D;
|
||||
|
||||
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 = 0.5 - d1.x * d1.x - d1.y * d1.y;
|
||||
c2 = 0.5 - d2.x * d2.x - d2.y * d2.y;
|
||||
c3 = 0.5 - 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;
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef SIMPLEX3D_HPP
|
||||
#define SIMPLEX3D_HPP
|
||||
|
||||
#include <Nazara/Prerequesites.hpp>
|
||||
#include <Nazara/Noise/NoiseBase.hpp>
|
||||
#include <Nazara/Math/Vector3.hpp>
|
||||
|
||||
template <typename T> class NAZARA_API NzSimplex3D : public NzNoiseBase
|
||||
{
|
||||
public:
|
||||
NzSimplex3D();
|
||||
T GetValue(T x, T y, T z, T res);
|
||||
~NzSimplex3D() = default;
|
||||
protected:
|
||||
private:
|
||||
int ii,jj,kk;
|
||||
int gi0,gi1,gi2,gi3;
|
||||
NzVector3i skewedCubeOrigin,off1,off2;
|
||||
T n1,n2,n3,n4;
|
||||
T c1,c2,c3,c4;
|
||||
T gradient3[12][3];
|
||||
T UnskewCoeff3D;
|
||||
T SkewCoeff3D;
|
||||
T sum;
|
||||
NzVector3<T> unskewedCubeOrigin, unskewedDistToOrigin;
|
||||
NzVector3<T> d1,d2,d3,d4;
|
||||
|
||||
|
||||
};
|
||||
|
||||
typedef NzSimplex3D<float> NzSimplex3Df;
|
||||
typedef NzSimplex3D<double> NzSimplex3Dd;
|
||||
|
||||
#include <Nazara/Noise/Simplex3D.inl>
|
||||
|
||||
#endif // SIMPLEX3D_HPP
|
||||
|
||||
|
|
@ -0,0 +1,157 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
template <typename T>
|
||||
NzSimplex3D<T>::NzSimplex3D()
|
||||
{
|
||||
SkewCoeff3D = 1/3.;
|
||||
UnskewCoeff3D = 1/6.;
|
||||
|
||||
int 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}};
|
||||
|
||||
for(int i(0) ; i < 12 ; ++i)
|
||||
for(int j(0) ; j < 3 ; ++j)
|
||||
gradient3[i][j] = grad3Temp[i][j];
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
T NzSimplex3D<T>::GetValue(T x, T y, T z, T res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
|
||||
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)
|
||||
{
|
||||
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
|
||||
{
|
||||
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*UnskewCoeff3D;
|
||||
d3.y = d1.y - off2.y + 2*UnskewCoeff3D;
|
||||
d3.z = d1.z - off2.z + 2*UnskewCoeff3D;
|
||||
|
||||
d4.x = d1.x - 1.0 + 3*UnskewCoeff3D;
|
||||
d4.y = d1.y - 1.0 + 3*UnskewCoeff3D;
|
||||
d4.z = d1.z - 1.0 + 3*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 = 0.6 - d1.x * d1.x - d1.y * d1.y - d1.z * d1.z;
|
||||
c2 = 0.6 - d2.x * d2.x - d2.y * d2.y - d2.z * d2.z;
|
||||
c3 = 0.6 - d3.x * d3.x - d3.y * d3.y - d3.z * d3.z;
|
||||
c4 = 0.6 - 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;
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
|
|
@ -0,0 +1,45 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#pragma once
|
||||
|
||||
#ifndef SIMPLEX4D_HPP
|
||||
#define SIMPLEX4D_HPP
|
||||
|
||||
#include <Nazara/Prerequesites.hpp>
|
||||
#include <Nazara/Noise/NoiseBase.hpp>
|
||||
#include <Nazara/Math/Vector4.hpp>
|
||||
|
||||
template <typename T> class NAZARA_API NzSimplex4D : public NzNoiseBase
|
||||
{
|
||||
public:
|
||||
NzSimplex4D();
|
||||
T GetValue(T x, T y, T z, T w, T res);
|
||||
~NzSimplex4D() = default;
|
||||
protected:
|
||||
private:
|
||||
int ii,jj,kk,ll;
|
||||
int gi0,gi1,gi2,gi3,gi4;
|
||||
NzVector4i skewedCubeOrigin,off1,off2,off3;
|
||||
T n1,n2,n3,n4,n5;
|
||||
T c1,c2,c3,c4,c5,c6;
|
||||
T gradient4[32][4];
|
||||
int lookupTable4D[64][4];
|
||||
int c;
|
||||
T UnskewCoeff4D;
|
||||
T SkewCoeff4D;
|
||||
T sum;
|
||||
NzVector4<T> unskewedCubeOrigin, unskewedDistToOrigin;
|
||||
NzVector4<T> d1,d2,d3,d4,d5;
|
||||
|
||||
|
||||
};
|
||||
|
||||
typedef NzSimplex4D<float> NzSimplex4Df;
|
||||
typedef NzSimplex4D<double> NzSimplex4Dd;
|
||||
|
||||
#include <Nazara/Noise/Simplex4D.inl>
|
||||
|
||||
#endif // SIMPLEX4D_H
|
||||
|
||||
|
|
@ -0,0 +1,163 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
template <typename T>
|
||||
NzSimplex4D<T>::NzSimplex4D()
|
||||
{
|
||||
SkewCoeff4D = (sqrt(5.) - 1.)/4.;
|
||||
UnskewCoeff4D = (5. - sqrt(5.))/20.;
|
||||
|
||||
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}
|
||||
};
|
||||
|
||||
for(int i(0) ; i < 64 ; ++i)
|
||||
for(int j(0) ; j < 4 ; ++j)
|
||||
lookupTable4D[i][j] = lookupTemp4D[i][j];
|
||||
|
||||
int 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];
|
||||
}
|
||||
|
||||
template <typename T>
|
||||
T NzSimplex4D<T>::GetValue(T x, T y, T z, T w, T res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
w /= res;
|
||||
|
||||
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*UnskewCoeff4D;
|
||||
d3.y = d1.y - off2.y + 2*UnskewCoeff4D;
|
||||
d3.z = d1.z - off2.z + 2*UnskewCoeff4D;
|
||||
d3.w = d1.w - off2.w + 2*UnskewCoeff4D;
|
||||
|
||||
d4.x = d1.x - off3.x + 3*UnskewCoeff4D;
|
||||
d4.y = d1.y - off3.y + 3*UnskewCoeff4D;
|
||||
d4.z = d1.z - off3.z + 3*UnskewCoeff4D;
|
||||
d4.w = d1.w - off3.w + 3*UnskewCoeff4D;
|
||||
|
||||
d5.x = d1.x - 1.0 + 4*UnskewCoeff4D;
|
||||
d5.y = d1.y - 1.0 + 4*UnskewCoeff4D;
|
||||
d5.z = d1.z - 1.0 + 4*UnskewCoeff4D;
|
||||
d5.w = d1.w - 1.0 + 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 = 0.6 - d1.x*d1.x - d1.y*d1.y - d1.z*d1.z - d1.w*d1.w;
|
||||
c2 = 0.6 - d2.x*d2.x - d2.y*d2.y - d2.z*d2.z - d2.w*d2.w;
|
||||
c3 = 0.6 - d3.x*d3.x - d3.y*d3.y - d3.z*d3.z - d3.w*d3.w;
|
||||
c4 = 0.6 - d4.x*d4.x - d4.y*d4.y - d4.z*d4.z - d4.w*d4.w;
|
||||
c5 = 0.6 - 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)*27.0;
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
|
|
@ -12,7 +12,7 @@ Authors
|
|||
-------
|
||||
|
||||
Jérôme "Lynix" Leclercq - main developper (Lynix680@gmail.com)
|
||||
Rémi "overdrivr" Bèges - developper & helper (remi.beges@laposte.net)
|
||||
Rémi "overdrivr" Bèges - developper & helper - NzNoise Module - (remi.beges@laposte.net)
|
||||
|
||||
Install
|
||||
-------
|
||||
|
|
|
|||
|
|
@ -12,7 +12,7 @@ Auteurs
|
|||
-------
|
||||
|
||||
Jérôme "Lynix" Leclercq - développeur principal (Lynix680@gmail.com)
|
||||
Rémi "overdrivr" Bèges - développeur & aide (remi.beges@laposte.net)
|
||||
Rémi "overdrivr" Bèges - développeur & aide - module NzNoise - (remi.beges@laposte.net)
|
||||
|
||||
Installation
|
||||
------------
|
||||
|
|
|
|||
|
|
@ -0,0 +1,62 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Noise/ComplexNoiseBase.hpp>
|
||||
#include <cmath>
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
NzComplexNoiseBase::NzComplexNoiseBase()
|
||||
{
|
||||
m_parametersModified = true;
|
||||
m_lacunarity = 5.0f;
|
||||
m_hurst = 1.2f;
|
||||
m_octaves = 3.0f;
|
||||
}
|
||||
|
||||
void NzComplexNoiseBase::SetLacunarity(float lacunarity)
|
||||
{
|
||||
if(lacunarity != m_lacunarity)
|
||||
{
|
||||
m_lacunarity = lacunarity;
|
||||
m_parametersModified = true;
|
||||
}
|
||||
}
|
||||
|
||||
void NzComplexNoiseBase::SetHurstParameter(float h)
|
||||
{
|
||||
if(h != m_hurst)
|
||||
{
|
||||
m_hurst = h;
|
||||
m_parametersModified = true;
|
||||
}
|
||||
}
|
||||
|
||||
void NzComplexNoiseBase::SetOctavesNumber(float octaves)
|
||||
{
|
||||
if(octaves != m_octaves && octaves < 30)
|
||||
{
|
||||
m_octaves = octaves;
|
||||
m_parametersModified = true;
|
||||
}
|
||||
}
|
||||
|
||||
void NzComplexNoiseBase::RecomputeExponentArray()
|
||||
{
|
||||
if(m_parametersModified)
|
||||
{
|
||||
float frequency = 1.0;
|
||||
m_sum = 0.f;
|
||||
for (int i(0) ; i < m_octaves; ++i)
|
||||
{
|
||||
exponent_array[i] = std::pow( frequency, -m_hurst );
|
||||
frequency *= m_lacunarity;
|
||||
|
||||
m_sum += exponent_array[i];
|
||||
|
||||
}
|
||||
m_parametersModified = false;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#if NAZARA_NOISE_MEMORYLEAKTRACKER || defined(NAZARA_DEBUG)
|
||||
#include <Nazara/Core/Debug/MemoryLeakTracker.hpp>
|
||||
#include <new>
|
||||
|
||||
void* operator new(std::size_t size) throw(std::bad_alloc)
|
||||
{
|
||||
return NzMemoryManager::Allocate(size, false);
|
||||
}
|
||||
|
||||
void* operator new[](std::size_t size) throw(std::bad_alloc)
|
||||
{
|
||||
return NzMemoryManager::Allocate(size, true);
|
||||
}
|
||||
|
||||
void operator delete(void* pointer) throw()
|
||||
{
|
||||
NzMemoryManager::Free(pointer, false);
|
||||
}
|
||||
|
||||
void operator delete[](void* pointer) throw()
|
||||
{
|
||||
NzMemoryManager::Free(pointer, true);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,59 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Noise/Noise.hpp>
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
NzNoise::NzNoise()
|
||||
{
|
||||
}
|
||||
|
||||
NzNoise::~NzNoise()
|
||||
{
|
||||
if (s_initialized)
|
||||
Uninitialize();
|
||||
}
|
||||
|
||||
bool NzNoise::Initialize()
|
||||
{
|
||||
#if NAZARA_NOISE_SAFE
|
||||
if (s_initialized)
|
||||
{
|
||||
NazaraError("NzNoise already initialized");
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Initialisation du module
|
||||
|
||||
s_initialized = true;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void NzNoise::Uninitialize()
|
||||
{
|
||||
#if NAZARA_NOISE_SAFE
|
||||
if (!s_initialized)
|
||||
{
|
||||
NazaraError("NzNoise not initialized");
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
// Libération du module
|
||||
|
||||
s_initialized = false;
|
||||
}
|
||||
|
||||
bool NzNoise::IsInitialized()
|
||||
{
|
||||
return s_initialized;
|
||||
}
|
||||
|
||||
bool NzNoise::s_initialized = false;
|
||||
|
||||
//#include <Nazara/Core/DebugOff.hpp> //A INCLURE ?
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Noise/NoiseBase.hpp>
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
NzNoiseBase::NzNoiseBase(int seed)
|
||||
{
|
||||
Ua = 16807;
|
||||
Uc = 0;
|
||||
Um = 2147483647;
|
||||
UcurrentSeed = 0;
|
||||
Uprevious = 0;
|
||||
|
||||
SetNewSeed(seed);
|
||||
|
||||
for(int i(0) ; i < 256 ; i++)
|
||||
perm[i] = i;
|
||||
|
||||
}
|
||||
|
||||
void NzNoiseBase::SetNewSeed(int seed)
|
||||
{
|
||||
Uprevious = seed;
|
||||
UcurrentSeed = seed;
|
||||
}
|
||||
|
||||
int NzNoiseBase::GetUniformRandomValue()
|
||||
{
|
||||
Ulast = Ua*Uprevious + Uc%Um;
|
||||
Uprevious = Ulast;
|
||||
return Ulast;
|
||||
}
|
||||
|
||||
void NzNoiseBase::ShufflePermutationTable()
|
||||
{
|
||||
int xchanger;
|
||||
unsigned int ncase;
|
||||
|
||||
for(int i(0) ; i < 256 ; i++)
|
||||
perm[i] = i;
|
||||
|
||||
for(int j(0) ; j < 20 ; ++j)
|
||||
for (int i(0); i < 256 ; ++i)
|
||||
{
|
||||
ncase = this->GetUniformRandomValue() & 255;
|
||||
xchanger = perm[i];
|
||||
perm[i] = perm[ncase];
|
||||
perm[ncase] = xchanger;
|
||||
}
|
||||
|
||||
for(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;
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
|
|
@ -0,0 +1,762 @@
|
|||
// Copyright (C) 2012 Rémi Bèges
|
||||
// This file is part of the "Nazara Engine".
|
||||
// For conditions of distribution and use, see copyright notice in Config.hpp
|
||||
|
||||
#include <Nazara/Noise/NoiseMachine.hpp>
|
||||
#include <Nazara/Core/Error.hpp>
|
||||
#include <Nazara/Noise/Config.hpp>
|
||||
#include <Nazara/Noise/Debug.hpp>
|
||||
|
||||
NzNoiseMachine::NzNoiseMachine(int seed)
|
||||
{
|
||||
SkewCoeff2D = 0.5*(sqrt(3.0) - 1.0);
|
||||
UnskewCoeff2D = (3.0-sqrt(3.0))/6;
|
||||
|
||||
SkewCoeff3D = 1/3;
|
||||
UnskewCoeff3D = 1/6;
|
||||
|
||||
SkewCoeff4D = (sqrt(5) - 1)/4;
|
||||
UnskewCoeff4D = (5 - sqrt(5))/20;
|
||||
|
||||
|
||||
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}
|
||||
};
|
||||
|
||||
for(int i(0) ; i < 64 ; ++i)
|
||||
for(int j(0) ; j < 4 ; ++j)
|
||||
lookupTable4D[i][j] = lookupTemp4D[i][j];
|
||||
|
||||
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];
|
||||
|
||||
int 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];
|
||||
|
||||
int 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];
|
||||
}
|
||||
|
||||
//------------------------------ PERLIN ------------------------------
|
||||
|
||||
float NzNoiseMachine::Get2DPerlinNoiseValue(float x, float y, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
|
||||
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[0] = gradient2[gi0][0]*temp.x + gradient2[gi0][1]*temp.y;
|
||||
|
||||
temp.x = x-(x0+1);
|
||||
t[0] = gradient2[gi1][0]*temp.x + gradient2[gi1][1]*temp.y;
|
||||
|
||||
temp.y = y-(y0+1);
|
||||
v[0] = gradient2[gi3][0]*temp.x + gradient2[gi3][1]*temp.y;
|
||||
|
||||
temp.x = x-x0;
|
||||
u[0] = gradient2[gi2][0]*temp.x + gradient2[gi2][1]*temp.y;
|
||||
|
||||
Li1 = s[0] + Cx*(t[0]-s[0]);
|
||||
Li2 = u[0] + Cx*(v[0]-u[0]);
|
||||
|
||||
return Li1 + Cy*(Li2-Li1);
|
||||
}
|
||||
float NzNoiseMachine::Get3DPerlinNoiseValue(float x, float y, float z, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
float NzNoiseMachine::Get4DPerlinNoiseValue(float x, float y, float z, float w, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
w /= res;
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
//------------------------------ SIMPLEX ------------------------------
|
||||
|
||||
float NzNoiseMachine::Get2DSimplexNoiseValue(float x, float y, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
|
||||
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)
|
||||
{
|
||||
off1.x = 1;
|
||||
off1.y = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
off1.x = 0;
|
||||
off1.y = 1;
|
||||
}
|
||||
|
||||
d1 = - unskewedDistToOrigin;
|
||||
|
||||
d2.x = d1.x + off1.x - UnskewCoeff2D;
|
||||
d2.y = d1.y + off1.y - UnskewCoeff2D;
|
||||
|
||||
d3.x = d1.x + 1.0 - 2 * UnskewCoeff2D;
|
||||
d3.y = d1.y + 1.0 - 2 * UnskewCoeff2D;
|
||||
|
||||
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 = 0.5 - d1.x * d1.x - d1.y * d1.y;
|
||||
c2 = 0.5 - d2.x * d2.x - d2.y * d2.y;
|
||||
c3 = 0.5 - 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;
|
||||
}
|
||||
|
||||
float NzNoiseMachine::Get3DSimplexNoiseValue(float x, float y, float z, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
|
||||
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)
|
||||
{
|
||||
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
|
||||
{
|
||||
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*UnskewCoeff3D;
|
||||
d3.y = d1.y - off2.y + 2*UnskewCoeff3D;
|
||||
d3.z = d1.z - off2.z + 2*UnskewCoeff3D;
|
||||
|
||||
d4.x = d1.x - 1.0 + 3*UnskewCoeff3D;
|
||||
d4.y = d1.y - 1.0 + 3*UnskewCoeff3D;
|
||||
d4.z = d1.z - 1.0 + 3*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 = 0.6 - d1.x * d1.x - d1.y * d1.y - d1.z * d1.z;
|
||||
c2 = 0.6 - d2.x * d2.x - d2.y * d2.y - d2.z * d2.z;
|
||||
c3 = 0.6 - d3.x * d3.x - d3.y * d3.y - d3.z * d3.z;
|
||||
c4 = 0.6 - 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;
|
||||
}
|
||||
|
||||
float NzNoiseMachine::Get4DSimplexNoiseValue(float x, float y, float z, float w, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
w /= res;
|
||||
|
||||
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*UnskewCoeff4D;
|
||||
d3.y = d1.y - off2.y + 2*UnskewCoeff4D;
|
||||
d3.z = d1.z - off2.z + 2*UnskewCoeff4D;
|
||||
d3.w = d1.w - off2.w + 2*UnskewCoeff4D;
|
||||
|
||||
d4.x = d1.x - off3.x + 3*UnskewCoeff4D;
|
||||
d4.y = d1.y - off3.y + 3*UnskewCoeff4D;
|
||||
d4.z = d1.z - off3.z + 3*UnskewCoeff4D;
|
||||
d4.w = d1.w - off3.w + 3*UnskewCoeff4D;
|
||||
|
||||
d5.x = d1.x - 1.0 + 4*UnskewCoeff4D;
|
||||
d5.y = d1.y - 1.0 + 4*UnskewCoeff4D;
|
||||
d5.z = d1.z - 1.0 + 4*UnskewCoeff4D;
|
||||
d5.w = d1.w - 1.0 + 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 = 0.6 - d1.x*d1.x - d1.y*d1.y - d1.z*d1.z - d1.w*d1.w;
|
||||
c2 = 0.6 - d2.x*d2.x - d2.y*d2.y - d2.z*d2.z - d2.w*d2.w;
|
||||
c3 = 0.6 - d3.x*d3.x - d3.y*d3.y - d3.z*d3.z - d3.w*d3.w;
|
||||
c4 = 0.6 - d4.x*d4.x - d4.y*d4.y - d4.z*d4.z - d4.w*d4.w;
|
||||
c5 = 0.6 - 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)*27.0;
|
||||
}
|
||||
|
||||
//------------------------------ CELL ------------------------------
|
||||
|
||||
float NzNoiseMachine::Get2DCellNoiseValue(float x, float y, float res)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
float NzNoiseMachine::Get3DCellNoiseValue(float x, float y, float z, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
|
||||
x0 = static_cast<int>(x);
|
||||
y0 = static_cast<int>(y);
|
||||
z0 = static_cast<int>(z);
|
||||
|
||||
return (this->JenkinsHash(x0,y0,z0) & 255);
|
||||
}
|
||||
float NzNoiseMachine::Get4DCellNoiseValue(float x, float y, float z, float w, float res)
|
||||
{
|
||||
x /= res;
|
||||
y /= res;
|
||||
z /= res;
|
||||
w /= res;
|
||||
|
||||
x0 = static_cast<int>(x) & 255;
|
||||
y0 = static_cast<int>(y) & 255;
|
||||
z0 = static_cast<int>(z) & 255;
|
||||
w0 = static_cast<int>(w) & 255;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
//------------------------------ FBM ------------------------------
|
||||
|
||||
float NzNoiseMachine::Get2DFBMNoiseValue(float x, float y, float res)
|
||||
{
|
||||
value = 0.0;
|
||||
RecomputeExponentArray();
|
||||
|
||||
for (int i(0); i < m_octaves; ++i)
|
||||
{
|
||||
value += Get2DPerlinNoiseValue(x,y,res) * exponent_array[i];
|
||||
x *= m_lacunarity;
|
||||
y *= m_lacunarity;
|
||||
}
|
||||
remainder = m_octaves - (int)m_octaves;
|
||||
|
||||
if(remainder != 0)
|
||||
value += remainder * Get2DSimplexNoiseValue(x,y,res) * exponent_array[(int)m_octaves-1];
|
||||
|
||||
return value * m_sum;
|
||||
}
|
||||
|
||||
float NzNoiseMachine::Get3DFBMNoiseValue(float x, float y, float z, float res)
|
||||
{
|
||||
value = 0.0;
|
||||
RecomputeExponentArray();
|
||||
|
||||
for(int i(0); i < m_octaves; ++i)
|
||||
{
|
||||
value += Get3DSimplexNoiseValue(x,y,z,res) * exponent_array[i];
|
||||
x *= m_lacunarity;
|
||||
y *= m_lacunarity;
|
||||
z *= m_lacunarity;
|
||||
}
|
||||
remainder = m_octaves - (int)m_octaves;
|
||||
|
||||
if(remainder != 0)
|
||||
value += remainder * Get3DSimplexNoiseValue(x,y,z,res) * exponent_array[(int)m_octaves-1];
|
||||
|
||||
return value * m_sum;
|
||||
}
|
||||
|
||||
//------------------------------ HYBRID MULTIFRACTAL ------------------------------
|
||||
|
||||
float NzNoiseMachine::Get2DHybridMultiFractalNoiseValue(float x, float y, float res)
|
||||
{
|
||||
float result, signal, weight, remainder;
|
||||
float offset = 1;
|
||||
|
||||
RecomputeExponentArray();
|
||||
|
||||
result = (Get2DSimplexNoiseValue(x,y,res) + offset) * exponent_array[0];
|
||||
weight = result;
|
||||
|
||||
x *= m_lacunarity;
|
||||
y *= m_lacunarity;
|
||||
|
||||
for(int i(1) ; i < m_octaves; ++i)
|
||||
{
|
||||
if(weight > 1.0)
|
||||
weight = 1.0;
|
||||
|
||||
signal = (Get2DSimplexNoiseValue(x,y,res) + offset) * exponent_array[i];
|
||||
result += weight * signal;
|
||||
|
||||
weight *= signal;
|
||||
|
||||
x *= m_lacunarity;
|
||||
y *= m_lacunarity;
|
||||
|
||||
}
|
||||
|
||||
remainder = m_octaves - (int)m_octaves;
|
||||
|
||||
if(remainder != 0)
|
||||
result += remainder * Get2DSimplexNoiseValue(x,y,res) * exponent_array[(int)m_octaves-1];
|
||||
|
||||
return result;
|
||||
|
||||
}
|
||||
|
||||
float NzNoiseMachine::Get3DHybridMultiFractalNoiseValue(float x, float y, float z, float res)
|
||||
{
|
||||
float result, signal, weight, remainder;
|
||||
float offset = 1;
|
||||
|
||||
RecomputeExponentArray();
|
||||
|
||||
result = (Get3DSimplexNoiseValue(x,y,z,res) + offset) * exponent_array[0];
|
||||
weight = result;
|
||||
|
||||
x *= m_lacunarity;
|
||||
y *= m_lacunarity;
|
||||
|
||||
for(int i(1) ; i < m_octaves; ++i)
|
||||
{
|
||||
|
||||
if(weight > 1.0)
|
||||
weight = 1.0;
|
||||
|
||||
signal = ( Get3DSimplexNoiseValue(x,y,z,res) + offset ) * exponent_array[i];
|
||||
result += weight * signal;
|
||||
|
||||
weight *= signal;
|
||||
|
||||
x *= m_lacunarity;
|
||||
y *= m_lacunarity;
|
||||
|
||||
}
|
||||
|
||||
remainder = m_octaves - (int)m_octaves;
|
||||
|
||||
if(remainder != 0)
|
||||
result += remainder * Get3DSimplexNoiseValue(x,y,z,res) * exponent_array[(int)m_octaves-1];
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
#include <Nazara/Core/DebugOff.hpp>
|
||||
Loading…
Reference in New Issue