You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.4 KiB
54 lines
1.4 KiB
#define GLM_ENABLE_EXPERIMENTAL
|
|
#include <glm/glm.hpp>
|
|
#include <glm/gtc/epsilon.hpp>
|
|
#include <glm/gtx/intersect.hpp>
|
|
|
|
int test_intersectRayTriangle()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec3 const Orig(0, 0, 2);
|
|
glm::vec3 const Dir(0, 0, -1);
|
|
glm::vec3 const Vert0(0, 0, 0);
|
|
glm::vec3 const Vert1(-1, -1, 0);
|
|
glm::vec3 const Vert2(1, -1, 0);
|
|
glm::vec2 BaryPosition(0);
|
|
float Distance = 0;
|
|
|
|
bool const Result = glm::intersectRayTriangle(Orig, Dir, Vert0, Vert1, Vert2, BaryPosition, Distance);
|
|
|
|
Error += glm::all(glm::epsilonEqual(BaryPosition, glm::vec2(0), std::numeric_limits<float>::epsilon())) ? 0 : 1;
|
|
Error += glm::abs(Distance - 2.f) <= std::numeric_limits<float>::epsilon() ? 0 : 1;
|
|
Error += Result ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int test_intersectLineTriangle()
|
|
{
|
|
int Error = 0;
|
|
|
|
glm::vec3 const Orig(0, 0, 2);
|
|
glm::vec3 const Dir(0, 0, -1);
|
|
glm::vec3 const Vert0(0, 0, 0);
|
|
glm::vec3 const Vert1(-1, -1, 0);
|
|
glm::vec3 const Vert2(1, -1, 0);
|
|
glm::vec3 Position(2.0f, 0.0f, 0.0f);
|
|
|
|
bool const Result = glm::intersectLineTriangle(Orig, Dir, Vert0, Vert1, Vert2, Position);
|
|
|
|
Error += glm::all(glm::epsilonEqual(Position, glm::vec3(2.0f, 0.0f, 0.0f), std::numeric_limits<float>::epsilon())) ? 0 : 1;
|
|
Error += Result ? 0 : 1;
|
|
|
|
return Error;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int Error = 0;
|
|
|
|
Error += test_intersectRayTriangle();
|
|
Error += test_intersectLineTriangle();
|
|
|
|
return Error;
|
|
}
|