60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
#define GLM_ENABLE_EXPERIMENTAL
|
|
#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 += glm::epsilonEqual(AngleA, glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
float AngleB = glm::orientedAngle(glm::vec2(0, 1), glm::normalize(glm::vec2(1, 1)));
|
|
Error += glm::epsilonEqual(AngleB, -glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
float AngleC = glm::orientedAngle(glm::normalize(glm::vec2(1, 1)), glm::vec2(0, 1));
|
|
Error += glm::epsilonEqual(AngleC, glm::pi<float>() * 0.25f, 0.01f) ? 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 += glm::epsilonEqual(AngleA, glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
float AngleB = glm::orientedAngle(glm::vec3(0, 1, 0), glm::normalize(glm::vec3(1, 1, 0)), glm::vec3(0, 0, 1));
|
|
Error += glm::epsilonEqual(AngleB, -glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
float AngleC = glm::orientedAngle(glm::normalize(glm::vec3(1, 1, 0)), glm::vec3(0, 1, 0), glm::vec3(0, 0, 1));
|
|
Error += glm::epsilonEqual(AngleC, glm::pi<float>() * 0.25f, 0.01f) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int Error(0);
|
|
|
|
Error += test_angle();
|
|
Error += test_orientedAngle_vec2();
|
|
Error += test_orientedAngle_vec3();
|
|
|
|
return Error;
|
|
}
|
|
|
|
|