mirror of
https://github.com/g-truc/glm.git
synced 2024-11-15 22:34:35 +00:00
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
#define GLM_ENABLE_EXPERIMENTAL
|
|
#include <glm/gtx/rotate_vector.hpp>
|
|
#include <glm/gtc/constants.hpp>
|
|
#include <glm/ext/vector_relational.hpp>
|
|
|
|
static int test_rotate()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec2 A = glm::rotate(glm::vec2(1, 0), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(A, glm::vec2(0.0f, 1.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
glm::vec3 B = glm::rotate(glm::vec3(1, 0, 0), glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1));
|
|
Error += glm::all(glm::equal(B, glm::vec3(0.0f, 1.0f, 0.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
glm::vec4 C = glm::rotate(glm::vec4(1, 0, 0, 1), glm::pi<float>() * 0.5f, glm::vec3(0, 0, 1));
|
|
Error += glm::all(glm::equal(C, glm::vec4(0.0f, 1.0f, 0.0f, 1.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
static int test_rotateX()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec3 D = glm::rotateX(glm::vec3(1, 0, 0), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(D, glm::vec3(1.0f, 0.0f, 0.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
glm::vec4 E = glm::rotateX(glm::vec4(1, 0, 0, 1), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(E, glm::vec4(1.0f, 0.0f, 0.0f, 1.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
static int test_rotateY()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec3 F = glm::rotateY(glm::vec3(1, 0, 0), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(F, glm::vec3(0.0f, 0.0f, -1.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
glm::vec4 G = glm::rotateY(glm::vec4(1, 0, 0, 1), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(G, glm::vec4(0.0f, 0.0f, -1.0f, 1.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
|
|
static int test_rotateZ()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec3 H = glm::rotateZ(glm::vec3(1, 0, 0), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(H, glm::vec3(0.0f, 1.0f, 0.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
glm::vec4 I = glm::rotateZ(glm::vec4(1, 0, 0, 1), glm::pi<float>() * 0.5f);
|
|
Error += glm::all(glm::equal(I, glm::vec4(0.0f, 1.0f, 0.0f, 1.0f), glm::epsilon<float>())) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
static int test_orientation()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::mat4 O = glm::orientation(glm::normalize(glm::vec3(1)), glm::vec3(0, 0, 1));
|
|
Error += glm::all(glm::equal(O[0], glm::vec4(0.79f, -0.21f,-0.58f, 0.0f), 0.1f)) ? 0 : 1;
|
|
Error += glm::all(glm::equal(O[1], glm::vec4(-0.21f, 0.79f,-0.58f, 0.0f), 0.1f)) ? 0 : 1;
|
|
Error += glm::all(glm::equal(O[2], glm::vec4(0.58f, 0.58f, 0.58f, 0.0f), 0.1f)) ? 0 : 1;
|
|
Error += glm::all(glm::equal(O[3], glm::vec4(0.0f, 0.0f, 0.0f, 1.0f), 0.1f)) ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int Error = 0;
|
|
|
|
Error += test_rotate();
|
|
Error += test_rotateX();
|
|
Error += test_rotateY();
|
|
Error += test_rotateZ();
|
|
Error += test_orientation();
|
|
|
|
return Error;
|
|
}
|
|
|
|
|