mirror of
https://github.com/g-truc/glm.git
synced 2024-11-15 06:24:34 +00:00
154 lines
4.6 KiB
C++
154 lines
4.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// OpenGL Mathematics Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// Created : 2011-05-25
|
|
// Updated : 2011-05-31
|
|
// Licence : This source is under MIT licence
|
|
// File : test/gtx/quaternion.cpp
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <glm/glm.hpp>
|
|
#include <glm/gtc/quaternion.hpp>
|
|
#include <glm/gtx/quaternion.hpp>
|
|
#include <glm/gtx/epsilon.hpp>
|
|
|
|
int test_quat_mix()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
|
|
glm::quat B = glm::angleAxis(90.0f, glm::vec3(0, 0, 1));
|
|
glm::quat C = glm::mix(A, B, 0.5f);
|
|
glm::quat D = glm::angleAxis(45.0f, glm::vec3(0, 0, 1));
|
|
|
|
Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.w, D.w, 0.01f) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_quat_fastMix()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
|
|
glm::quat B = glm::angleAxis(90.0f, glm::vec3(0, 0, 1));
|
|
glm::quat C = glm::fastMix(A, B, 0.5f);
|
|
glm::quat D = glm::angleAxis(45.0f, glm::vec3(0, 0, 1));
|
|
|
|
Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.w, D.w, 0.01f) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_quat_shortMix()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
|
|
glm::quat B = glm::angleAxis(90.0f, glm::vec3(0, 0, 1));
|
|
glm::quat C = glm::shortMix(A, B, 0.5f);
|
|
glm::quat D = glm::angleAxis(45.0f, glm::vec3(0, 0, 1));
|
|
|
|
Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.w, D.w, 0.01f) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_quat_angleAxis()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::quat A = glm::angleAxis(0.0f, glm::vec3(0, 0, 1));
|
|
glm::quat B = glm::angleAxis(90.0f, glm::vec3(0, 0, 1));
|
|
glm::quat C = glm::mix(A, B, 0.5f);
|
|
glm::quat D = glm::angleAxis(45.0f, glm::vec3(0, 0, 1));
|
|
|
|
Error += glm::equalEpsilon(C.x, D.x, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.y, D.y, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.z, D.z, 0.01f) ? 0 : 1;
|
|
Error += glm::equalEpsilon(C.w, D.w, 0.01f) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_quat_angle()
|
|
{
|
|
int Error = 0;
|
|
|
|
{
|
|
glm::quat Q = glm::angleAxis(45.0f, glm::vec3(0, 0, 1));
|
|
glm::quat N = glm::normalize(Q);
|
|
float L = glm::length(N);
|
|
Error += glm::equalEpsilon(L, 1.0f, 0.01f) ? 0 : 1;
|
|
float A = glm::angle(N);
|
|
Error += glm::equalEpsilon(A, 45.0f, 0.01f) ? 0 : 1;
|
|
}
|
|
{
|
|
glm::quat Q = glm::angleAxis(45.0f, glm::normalize(glm::vec3(0, 1, 1)));
|
|
glm::quat N = glm::normalize(Q);
|
|
float L = glm::length(N);
|
|
Error += glm::equalEpsilon(L, 1.0f, 0.01f) ? 0 : 1;
|
|
float A = glm::angle(N);
|
|
Error += glm::equalEpsilon(A, 45.0f, 0.01f) ? 0 : 1;
|
|
}
|
|
{
|
|
glm::quat Q = glm::angleAxis(45.0f, glm::normalize(glm::vec3(1, 2, 3)));
|
|
glm::quat N = glm::normalize(Q);
|
|
float L = glm::length(N);
|
|
Error += glm::equalEpsilon(L, 1.0f, 0.01f) ? 0 : 1;
|
|
float A = glm::angle(N);
|
|
Error += glm::equalEpsilon(A, 45.0f, 0.01f) ? 0 : 1;
|
|
}
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_quat_normalize()
|
|
{
|
|
int Error = 0;
|
|
|
|
{
|
|
glm::quat Q = glm::angleAxis(45.0f, glm::vec3(0, 0, 1));
|
|
glm::quat N = glm::normalize(Q);
|
|
float L = glm::length(N);
|
|
Error += glm::equalEpsilon(L, 1.0f, 0.000001f) ? 0 : 1;
|
|
}
|
|
{
|
|
glm::quat Q = glm::angleAxis(45.0f, glm::vec3(0, 0, 2));
|
|
glm::quat N = glm::normalize(Q);
|
|
float L = glm::length(N);
|
|
Error += glm::equalEpsilon(L, 1.0f, 0.000001f) ? 0 : 1;
|
|
}
|
|
{
|
|
glm::quat Q = glm::angleAxis(45.0f, glm::vec3(1, 2, 3));
|
|
glm::quat N = glm::normalize(Q);
|
|
float L = glm::length(N);
|
|
Error += glm::equalEpsilon(L, 1.0f, 0.000001f) ? 0 : 1;
|
|
}
|
|
|
|
return Error;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int Error = 0;
|
|
|
|
Error += test_quat_angle();
|
|
Error += test_quat_angleAxis();
|
|
Error += test_quat_mix();
|
|
Error += test_quat_fastMix();
|
|
Error += test_quat_shortMix();
|
|
Error += test_quat_normalize();
|
|
|
|
return Error;
|
|
}
|