Added NzDynaTerrain (basis) + simplex3d 4d for nznoise
This commit is contained in:
Remi Beges
parent
784787cd79
commit
9008c36802
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project "NazaraModuleName"
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files
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{
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"../include/Nazara/ModuleName/**.hpp",
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"../include/Nazara/ModuleName/**.inl",
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"../src/Nazara/ModuleName/**.hpp",
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"../src/Nazara/ModuleName/**.cpp"
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}
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if (os.is("windows")) then
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excludes { "../src/Nazara/ModuleName/Posix/*.hpp", "../src/Nazara/ModuleName/Posix/*.cpp" }
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else
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excludes { "../src/Nazara/ModuleName/Win32/*.hpp", "../src/Nazara/ModuleName/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 "NazaraModuleNamed"
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configuration "ReleaseStatic"
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links "NazaraCore-s"
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targetname "NazaraModuleName"
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configuration "DebugDLL"
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links "NazaraCored"
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targetname "NazaraModuleNamed"
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configuration "ReleaseDLL"
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links "NazaraCore"
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targetname "NazaraModuleName"
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/*
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Nazara Engine
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Copyright (C) 2012 AUTHORS (EMAIL)
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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_MODULENAME_HPP
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#define NAZARA_CONFIG_MODULENAME_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_MODULENAME_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_MODULENAME_SAFE 1
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#endif // NAZARA_CONFIG_MODULENAME_HPP
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// Copyright (C) 2012 AUTHORS
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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/ModuleName/Config.hpp>
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#if NAZARA_MODULENAME_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 AUTHORS
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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_MODULENAME_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 AUTHORS
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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_MODULENAME_HPP
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#define NAZARA_MODULENAME_HPP
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#include <Nazara/Prerequesites.hpp>
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class NAZARA_API NzModuleName
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{
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public:
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NzModuleName();
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~NzModuleName();
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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 // NAZARA_MODULENAME_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 NODE_H
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#define NODE_H
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Math/Vector2.hpp>
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#include "Patch.hpp"
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class NzQuadTree;
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//SUPPRIMER LES NODES FILS OU SEULEMENT LES PATCHS CONTENUS ? POUR L'INSTANT SUPPRESSION DES PATCHS
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class NzNode
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{
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public:
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enum nzDirection
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{
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TOP,
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BOTTOM,
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LEFT,
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RIGHT,
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TOPLEFT,
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TOPRIGHT,
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BOTTOMLEFT,
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BOTTOMRIGHT,
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CENTER
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};
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NzNode(NzQuadTree* quad, NzNode* parent, const NzVector2f& center, const NzVector2f& size, nzDirection dir = CENTER);
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~NzNode();
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void Subdivide();
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void Refine(bool eraseMemory);
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void CreatePatch(const NzVector2f& center, const NzVector2f& size);
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void DeletePatch();
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unsigned short int GetLevel() const;
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bool IsLeaf() const;
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bool IsRoot() const;
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//Retourne le voisin le plus proche dans la direction indiqué, de niveau de profondeur inférieur ou égal
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bool LocateNeighbor(nzDirection dir, NzNode* neighbor);
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private:
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NzQuadTree* m_associatedQuadTree;
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NzNode* m_parent;
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NzNode* m_topLeftLeaf;
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NzNode* m_topRightLeaf;
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NzNode* m_bottomLeftLeaf;
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NzNode* m_bottomRightLeaf;
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bool m_isLeaf;
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bool m_isRoot;
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bool m_patchMemoryAllocated;
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unsigned short int m_level;
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NzPatch* m_patch;
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NzVector2f m_center;
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NzVector2f m_size;
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nzDirection m_direction;
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};
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#endif // NODE_H
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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 PATCH_H
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#define PATCH_H
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#include <Nazara/Prerequesites.hpp>
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#include <Nazara/Math/Vector2.hpp>
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class NzPatch
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{
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public:
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NzPatch(NzVector2f center, NzVector2f size);
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~NzPatch();
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NzVector2f GetCenter() const;
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NzVector2f GetSize() const;
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bool IntersectsCircle(const NzVector2f& center, double radius);
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bool IsContainedByCircle(const NzVector2f& center, double radius);
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NzPatch* LocatePatch(const NzVector2f& position);
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protected:
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private:
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NzVector2f m_center;
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NzVector2f m_size;
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};
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#endif // PATCH_H
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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 QUADTREE_H
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#define QUADTREE_H
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#include <Nazara/Prerequesites.hpp>
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#include <list>
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#include <Nazara/Math/Vector2.hpp>
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#include "Node.hpp"
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class NzQuadTree
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{
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public:
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NzQuadTree(const NzVector2f& terrainCenter, const NzVector2f& terrainSize);
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void RegisterLeaf(NzNode* node);
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bool UnRegisterLeaf(NzNode* node);
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NzNode* GetRootPtr();
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~NzQuadTree();
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private:
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NzNode* root;
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//N'a pas la charge des objets en mémoire
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std::list<NzNode*> leaves;
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};
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#endif // QUADTREE_H
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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 SIMPLEX3D_H
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#define SIMPLEX3D_H
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#include <Nazara/Prerequesites.hpp>
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//#include <Nazara/Noise/NoiseBase.hpp>
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#include "NoiseBase.hpp"
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#include <Nazara/Math/Vector3.hpp>
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template <typename T> class NzSimplex3D : public NzNoiseBase
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{
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public:
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NzSimplex3D();
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T GetValue(T x, T y, T z, T res);
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~NzSimplex3D() = default;
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protected:
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private:
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int ii,jj,kk;
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int gi0,gi1,gi2,gi3;
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NzVector3i Origin,off1,off2;
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T n1,n2,n3,n4;
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T c1,c2,c3,c4;
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T gradient3[16][3];
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T UnskewCoeff3D;
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T SkewCoeff3D;
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NzVector3<T> A, IsoOriginDist;
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NzVector3<T> d1,d2,d3,d4;
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};
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typedef NzSimplex3D<float> NzSimplex3Df;
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typedef NzSimplex3D<double> NzSimplex3Dd;
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//#include <Nazara/Noise/Simplex3D.inl>
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#include "Simplex3D.inl"
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#endif // SIMPLEX3D_H
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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/Noise/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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NzSimplex3D<T>::NzSimplex3D()
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{
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SkewCoeff3D = 1/3;
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UnskewCoeff3D = 1/6;
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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 NzSimplex3D<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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Origin.x = fastfloor(x + (x + y + z) * SkewCoeff3D);
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Origin.y = fastfloor(y + (x + y + z) * SkewCoeff3D);
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Origin.z = fastfloor(z + (x + y + z) * SkewCoeff3D);
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A.x = Origin.x - (Origin.x + Origin.y + Origin.z) * UnskewCoeff3D;
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A.y = Origin.y - (Origin.x + Origin.y + Origin.z) * UnskewCoeff3D;
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A.z = Origin.z - (Origin.x + Origin.y + Origin.z) * UnskewCoeff3D;
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IsoOriginDist.x = x - A.x;
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IsoOriginDist.y = y - A.y;
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IsoOriginDist.z = z - A.z;
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if(IsoOriginDist.x >= IsoOriginDist.y)
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{
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if(IsoOriginDist.y >= IsoOriginDist.z)
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{
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off1.x = 1;
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off1.y = 0;
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off1.z = 0;
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off2.x = 1;
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off2.y = 1;
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off2.z = 0;
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}
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else if(IsoOriginDist.x >= IsoOriginDist.z)
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{
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off1.x = 1;
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off1.y = 0;
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off1.z = 0;
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off2.x = 1;
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off2.y = 0;
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off2.z = 1;
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}
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else
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{
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off1.x = 0;
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off1.y = 0;
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off1.z = 1;
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off2.x = 1;
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off2.y = 0;
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off2.z = 1;
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}
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}
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else
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{
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if(IsoOriginDist.y < IsoOriginDist.z)
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{
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off1.x = 0;
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off1.y = 0;
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off1.z = 1;
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off2.x = 0;
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off2.y = 1;
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off2.z = 1;
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}
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else if(IsoOriginDist.x < IsoOriginDist.z)
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{
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off1.x = 0;
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off1.y = 1;
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off1.z = 0;
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off2.x = 0;
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off2.y = 1;
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off2.z = 1;
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}
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else
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{
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off1.x = 0;
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off1.y = 1;
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off1.z = 0;
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off2.x = 1;
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off2.y = 1;
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off2.z = 0;
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}
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}
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d1.x = A.x - x;
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d1.y = A.y - y;
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d1.z = A.z - z;
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d2.x = d1.x + off1.x - UnskewCoeff3D;
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d2.y = d1.y + off1.y - UnskewCoeff3D;
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d2.z = d1.z + off1.z - UnskewCoeff3D;
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d3.x = d1.x + off2.x - 2*UnskewCoeff3D;
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d3.y = d1.y + off2.y - 2*UnskewCoeff3D;
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d3.z = d1.z + off2.z - 2*UnskewCoeff3D;
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d4.x = d1.x + 1.0 - 3*UnskewCoeff3D;
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d4.y = d1.y + 1.0 - 3*UnskewCoeff3D;
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d4.z = d1.z + 1.0 - 3*UnskewCoeff3D;
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ii = Origin.x & 255;
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jj = Origin.y & 255;
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kk = Origin.z & 255;
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gi0 = perm[ii + perm[jj + perm[kk]]] % 12;
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gi1 = perm[ii + off1.x + perm[jj + off1.y + perm[kk + off1.z]]] % 12;
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gi2 = perm[ii + off2.x + perm[jj + off2.y + perm[kk + off2.z]]] % 12;
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gi3 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1]]] % 12;
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n1 = gradient3[gi0][0] * d1.x + gradient3[gi0][1] * d1.y + gradient3[gi0][2] * d1.z;
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n2 = gradient3[gi1][0] * d2.x + gradient3[gi1][1] * d2.y + gradient3[gi1][2] * d2.z;
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n3 = gradient3[gi2][0] * d3.x + gradient3[gi2][1] * d3.y + gradient3[gi2][2] * d3.z;
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n4 = gradient3[gi3][0] * d4.x + gradient3[gi3][1] * d4.y + gradient3[gi3][2] * d4.z;
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c1 = 0.6 - d1.x * d1.x - d1.y * d1.y - d1.z * d1.z;
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c2 = 0.6 - d2.x * d2.x - d2.y * d2.y - d2.z * d2.z;
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c3 = 0.6 - d3.x * d3.x - d3.y * d3.y - d3.z * d3.z;
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c4 = 0.6 - d4.x * d4.x - d4.y * d4.y - d4.z * d4.z;
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if(c1 < 0)
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c1 = 0;
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if(c2 < 0)
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c2 = 0;
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if(c3 < 0)
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c3 = 0;
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if(c4 < 0)
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c4 = 0;
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n1 = c1*c1*c1*n1;
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n2 = c2*c2*c2*n2;
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n3 = c3*c3*c3*n3;
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n4 = c4*c4*c4*n4;
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return (n1+n2+n3+n4)*17.6995;
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}
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// 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_H
|
||||
#define SIMPLEX4D_H
|
||||
|
||||
#include <Nazara/Prerequesites.hpp>
|
||||
//#include <Nazara/Noise/NoiseBase.hpp>
|
||||
#include "NoiseBase.hpp"
|
||||
#include <Nazara/Math/Vector4.hpp>
|
||||
|
||||
|
||||
template <typename T> class 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 Origin,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;
|
||||
NzVector4<T> A, IsoOriginDist;
|
||||
NzVector4<T> d1,d2,d3,d4,d5;
|
||||
|
||||
|
||||
};
|
||||
|
||||
typedef NzSimplex4D<float> NzSimplex4Df;
|
||||
typedef NzSimplex4D<double> NzSimplex4Dd;
|
||||
|
||||
//#include <Nazara/Noise/Simplex4D.inl>
|
||||
#include "Simplex4D.inl"
|
||||
|
||||
#endif // SIMPLEX4D_H
|
||||
|
||||
|
|
@ -0,0 +1,161 @@
|
|||
// 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/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;
|
||||
|
||||
Origin.x = fastfloor(x + (x + y + z + w) * SkewCoeff4D);
|
||||
Origin.y = fastfloor(y + (x + y + z + w) * SkewCoeff4D);
|
||||
Origin.z = fastfloor(z + (x + y + z + w) * SkewCoeff4D);
|
||||
Origin.w = fastfloor(w + (x + y + z + w) * SkewCoeff4D);
|
||||
|
||||
A.x = Origin.x - (Origin.x + Origin.y + Origin.z + Origin.w) * UnskewCoeff4D;
|
||||
A.y = Origin.y - (Origin.x + Origin.y + Origin.z + Origin.w) * UnskewCoeff4D;
|
||||
A.z = Origin.z - (Origin.x + Origin.y + Origin.z + Origin.w) * UnskewCoeff4D;
|
||||
A.w = Origin.w - (Origin.x + Origin.y + Origin.z + Origin.w) * UnskewCoeff4D;
|
||||
|
||||
IsoOriginDist.x = x - A.x;
|
||||
IsoOriginDist.y = y - A.y;
|
||||
IsoOriginDist.z = z - A.z;
|
||||
IsoOriginDist.w = w - A.w;
|
||||
|
||||
c1 = (IsoOriginDist.x > IsoOriginDist.y) ? 32 : 0;
|
||||
c2 = (IsoOriginDist.x > IsoOriginDist.z) ? 16 : 0;
|
||||
c3 = (IsoOriginDist.y > IsoOriginDist.z) ? 8 : 0;
|
||||
c4 = (IsoOriginDist.x > IsoOriginDist.w) ? 4 : 0;
|
||||
c5 = (IsoOriginDist.y > IsoOriginDist.w) ? 2 : 0;
|
||||
c6 = (IsoOriginDist.z > IsoOriginDist.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.x = A.x - x;
|
||||
d1.y = A.y - y;
|
||||
d1.z = A.z - z;
|
||||
d1.w = A.w - w;
|
||||
|
||||
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 = Origin.x & 255;
|
||||
jj = Origin.y & 255;
|
||||
kk = Origin.z & 255;
|
||||
ll = Origin.w & 255;
|
||||
|
||||
gi0 = perm[ii + perm[jj + perm[kk + perm[ll]]]] % 32;
|
||||
gi1 = perm[ii + off1.x + perm[jj + off1.y + perm[kk + off1.z + perm[ll + off1.w]]]] % 32;
|
||||
gi2 = perm[ii + off2.x + perm[jj + off2.y + perm[kk + off2.z + perm[ll + off2.w]]]] % 32;
|
||||
gi3 = perm[ii + off3.x + perm[jj + off3.y + perm[kk + off3.z + perm[ll + off3.w]]]] % 32;
|
||||
gi4 = perm[ii + 1 + perm[jj + 1 + perm[kk + 1 + perm[ll + 1]]]] % 32;
|
||||
|
||||
n1 = gradient4[gi0][0]*d1.x + gradient4[gi0][1]*d1.y + gradient4[gi0][2]*d1.z + gradient4[gi0][3]*d1.w;
|
||||
n2 = gradient4[gi1][0]*d2.x + gradient4[gi1][1]*d2.y + gradient4[gi1][2]*d2.z + gradient4[gi1][3]*d2.w;
|
||||
n3 = gradient4[gi2][0]*d3.x + gradient4[gi2][1]*d3.y + gradient4[gi2][2]*d3.z + gradient4[gi2][3]*d3.w;
|
||||
n4 = gradient4[gi3][0]*d4.x + gradient4[gi3][1]*d4.y + gradient4[gi3][2]*d4.z + gradient4[gi3][3]*d4.w;
|
||||
n5 = gradient4[gi4][0]*d5.x + gradient4[gi4][1]*d5.y + gradient4[gi4][2]*d5.z + gradient4[gi4][3]*d5.w;
|
||||
|
||||
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)
|
||||
c1 = 0;
|
||||
if(c2 < 0)
|
||||
c2 = 0;
|
||||
if(c3 < 0)
|
||||
c3 = 0;
|
||||
if(c4 < 0)
|
||||
c4 = 0;
|
||||
if(c5 < 0)
|
||||
c5 = 0;
|
||||
|
||||
n1 = c1*c1*c1*n1;
|
||||
n2 = c2*c2*c2*n2;
|
||||
n3 = c3*c3*c3*n3;
|
||||
n4 = c4*c4*c4*n4;
|
||||
n5 = c5*c5*c5*n5;
|
||||
|
||||
return (n1+n2+n3+n4+n5)*17.6995;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue