35 lines
		
	
	
		
			823 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			823 B
		
	
	
	
		
			C++
		
	
	
	
	
	
#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 main()
 | 
						|
{
 | 
						|
	int Error = 0;
 | 
						|
 | 
						|
	Error += test_intersectRayTriangle();
 | 
						|
 | 
						|
	return Error;
 | 
						|
}
 |