130 lines
2.6 KiB
C++
130 lines
2.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2011-04-21
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// Updated : 2011-04-26
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// Licence : This source is under MIT licence
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// File : test/gtx/noise.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include <glm/glm.hpp>
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#include <glm/gtx/noise.hpp>
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#include <gli/gli.hpp>
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#include <iostream>
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int test_simplex()
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{
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::simplex(glm::vec2(x / 16.f, y / 16.f));
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}
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}
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::simplex(glm::vec3(x / 16.f, y / 16.f, 0.5f));
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}
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}
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::simplex(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f));
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}
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}
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return 0;
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}
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int test_perlin()
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{
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::perlin(glm::vec2(x / 16.f, y / 16.f));
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}
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}
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f));
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}
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}
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f));
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}
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}
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return 0;
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}
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int test_perlin_pedioric()
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{
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::perlin(glm::vec2(x / 16.f, y / 16.f), glm::vec2(0.5f));
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}
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}
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::perlin(glm::vec3(x / 16.f, y / 16.f, 0.5f), glm::vec3(0.5f));
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}
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}
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{
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float ImageData[256];
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for(std::size_t y = 0; y < 16; ++y)
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for(std::size_t x = 0; x < 16; ++x)
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{
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ImageData[x + y * 16] = glm::perlin(glm::vec4(x / 16.f, y / 16.f, 0.5f, 0.5f), glm::vec4(0.5f));
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}
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}
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return 0;
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}
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int main()
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{
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int Error = 0;
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Error += test_simplex();
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Error += test_perlin();
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Error += test_perlin_pedioric();
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return Error;
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}
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