mirror of
https://github.com/g-truc/glm.git
synced 2024-11-10 04:31:47 +00:00
90 lines
3.4 KiB
C++
90 lines
3.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
|
|
/// OpenGL Mathematics (glm.g-truc.net)
|
|
///
|
|
/// Copyright (c) 2005 - 2012 G-Truc Creation (www.g-truc.net)
|
|
/// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
/// of this software and associated documentation files (the "Software"), to deal
|
|
/// in the Software without restriction, including without limitation the rights
|
|
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
/// copies of the Software, and to permit persons to whom the Software is
|
|
/// furnished to do so, subject to the following conditions:
|
|
///
|
|
/// The above copyright notice and this permission notice shall be included in
|
|
/// all copies or substantial portions of the Software.
|
|
///
|
|
/// Restrictions:
|
|
/// By making use of the Software for military purposes, you choose to make
|
|
/// a Bunny unhappy.
|
|
///
|
|
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
/// THE SOFTWARE.
|
|
///
|
|
/// @file test/gtx/gtx_vector_angle.cpp
|
|
/// @date 2011-05-15 / 2014-11-25
|
|
/// @author Christophe Riccio
|
|
///////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include <glm/gtc/constants.hpp>
|
|
#include <glm/gtx/vector_angle.hpp>
|
|
#include <limits>
|
|
|
|
int test_angle()
|
|
{
|
|
int Error = 0;
|
|
|
|
float AngleA = glm::angle(glm::vec2(1, 0), glm::normalize(glm::vec2(1, 1)));
|
|
Error += glm::epsilonEqual(AngleA, glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
float AngleB = glm::angle(glm::vec3(1, 0, 0), glm::normalize(glm::vec3(1, 1, 0)));
|
|
Error += glm::epsilonEqual(AngleB, glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
float AngleC = glm::angle(glm::vec4(1, 0, 0, 0), glm::normalize(glm::vec4(1, 1, 0, 0)));
|
|
Error += glm::epsilonEqual(AngleC, glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_orientedAngle_vec2()
|
|
{
|
|
int Error = 0;
|
|
|
|
float AngleA = glm::orientedAngle(glm::vec2(1, 0), glm::normalize(glm::vec2(1, 1)));
|
|
Error += AngleA == glm::pi<float>() * 0.25f ? 0 : 1;
|
|
float AngleB = glm::orientedAngle(glm::vec2(0, 1), glm::normalize(glm::vec2(1, 1)));
|
|
Error += AngleB == -glm::pi<float>() * 0.25f ? 0 : 1;
|
|
float AngleC = glm::orientedAngle(glm::normalize(glm::vec2(1, 1)), glm::vec2(0, 1));
|
|
Error += AngleC == glm::pi<float>() * 0.25f ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_orientedAngle_vec3()
|
|
{
|
|
int Error = 0;
|
|
|
|
float AngleA = glm::orientedAngle(glm::vec3(1, 0, 0), glm::normalize(glm::vec3(1, 1, 0)), glm::vec3(0, 0, 1));
|
|
Error += AngleA == glm::pi<float>() * 0.25f ? 0 : 1;
|
|
float AngleB = glm::orientedAngle(glm::vec3(0, 1, 0), glm::normalize(glm::vec3(1, 1, 0)), glm::vec3(0, 0, 1));
|
|
Error += AngleB == -glm::pi<float>() * 0.25f ? 0 : 1;
|
|
float AngleC = glm::orientedAngle(glm::normalize(glm::vec3(1, 1, 0)), glm::vec3(0, 1, 0), glm::vec3(0, 0, 1));
|
|
Error += AngleC == glm::pi<float>() * 0.25f ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int Error(0);
|
|
|
|
Error += test_angle();
|
|
Error += test_orientedAngle_vec2();
|
|
Error += test_orientedAngle_vec3();
|
|
|
|
return Error;
|
|
}
|
|
|
|
|