mirror of
https://github.com/love2d/love.git
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153 lines
3.1 KiB
C++
153 lines
3.1 KiB
C++
/**
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* Copyright (c) 2006-2013 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_MATH_MODMATH_H
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#define LOVE_MATH_MODMATH_H
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#include "RandomGenerator.h"
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// LOVE
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#include "common/Module.h"
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#include "common/math.h"
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#include "common/int.h"
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// Noise
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#include "libraries/noise1234/simplexnoise1234.h"
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// STL
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#include <vector>
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namespace love
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{
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namespace math
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{
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class Math : public Module
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{
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private:
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RandomGenerator rng;
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public:
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virtual ~Math()
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{}
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/**
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* @copydoc RandomGenerator::randomseed()
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**/
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inline void randomseed(uint64 seed)
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{
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rng.randomseed(seed);
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}
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/**
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* @copydoc RandomGenerator::random()
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**/
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inline double random()
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{
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return rng.random();
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}
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/**
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* @copydoc RandomGenerator::random(double)
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**/
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inline double random(double max)
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{
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return rng.random(max);
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}
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/**
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* @copydoc RandomGenerator::random(double,double)
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**/
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inline double random(double min, double max)
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{
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return rng.random(min, max);
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}
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/**
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* @copydoc RandomGenerator::randomnormal()
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**/
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inline double randomnormal(double stddev)
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{
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return rng.randomnormal(stddev);
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}
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/**
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* Create a new random number generator.
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**/
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RandomGenerator *newRandomGenerator();
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virtual const char *getName() const
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{
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return "love.math";
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}
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/**
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* Triangulate a simple polygon.
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*
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* @param polygon Polygon to triangulate. Must not intersect itself.
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* @return List of triangles the polygon is composed of.
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**/
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std::vector<Triangle> triangulate(const std::vector<vertex> &polygon);
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/**
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* Calculate Simplex noise for the specified coordinate(s).
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*
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* @return Noise value in the range of [0,1].
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**/
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float noise(float x) const;
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float noise(float x, float y) const;
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float noise(float x, float y, float z) const;
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float noise(float x, float y, float z, float w) const;
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static Math instance;
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private:
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Math();
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}; // Math
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inline float Math::noise(float x) const
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{
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return SimplexNoise1234::noise(x);
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}
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inline float Math::noise(float x, float y) const
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{
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return SimplexNoise1234::noise(x, y);
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}
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inline float Math::noise(float x, float y, float z) const
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{
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return SimplexNoise1234::noise(x, y, z);
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}
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inline float Math::noise(float x, float y, float z, float w) const
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{
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return SimplexNoise1234::noise(x, y, z, w);
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}
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} // math
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} // love
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#endif
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