OpenGL Mathematics (GLM)
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///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Mathematics Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2011-01-15
// Updated : 2011-11-14
// Licence : This source is under MIT licence
// File : test/gtx/func_geometric.cpp
///////////////////////////////////////////////////////////////////////////////////////////////////
#include <glm/glm.hpp>
#include <glm/gtx/epsilon.hpp>
int test_reflect()
{
int Error = 0;
{
glm::vec2 A(1.0f,-1.0f);
glm::vec2 B(0.0f, 1.0f);
glm::vec2 C = glm::reflect(A, B);
Error += C == glm::vec2(1.0, 1.0) ? 0 : 1;
}
{
glm::dvec2 A(1.0f,-1.0f);
glm::dvec2 B(0.0f, 1.0f);
glm::dvec2 C = glm::reflect(A, B);
Error += C == glm::dvec2(1.0, 1.0) ? 0 : 1;
}
return Error;
}
int test_refract()
{
int Error = 0;
{
float A(-1.0f);
float B(1.0f);
float C = glm::refract(A, B, 0.5f);
Error += C == -1.0f ? 0 : 1;
}
{
glm::vec2 A(0.0f,-1.0f);
glm::vec2 B(0.0f, 1.0f);
glm::vec2 C = glm::refract(A, B, 0.5f);
Error += glm::all(glm::equalEpsilon(C, glm::vec2(0.0, -1.0), 0.0001f)) ? 0 : 1;
}
{
glm::dvec2 A(0.0f,-1.0f);
glm::dvec2 B(0.0f, 1.0f);
glm::dvec2 C = glm::refract(A, B, 0.5);
Error += C == glm::dvec2(0.0, -1.0) ? 0 : 1;
}
return Error;
}
int main()
{
int Error(0);
Error += test_reflect();
Error += test_refract();
return Error;
}