35 lines
		
	
	
		
			823 B
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			35 lines
		
	
	
		
			823 B
		
	
	
	
		
			C++
		
	
	
	
	
	
| #define GLM_ENABLE_EXPERIMENTAL
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| #include <glm/glm.hpp>
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| #include <glm/gtc/epsilon.hpp>
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| #include <glm/gtx/intersect.hpp>
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| 
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| int test_intersectRayTriangle()
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| {
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| 	int Error = 0;
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| 
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| 	glm::vec3 const Orig(0, 0, 2);
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| 	glm::vec3 const Dir(0, 0, -1);
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| 	glm::vec3 const Vert0(0, 0, 0);
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| 	glm::vec3 const Vert1(-1, -1, 0);
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| 	glm::vec3 const Vert2(1, -1, 0);
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| 	glm::vec2 BaryPosition(0);
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| 	float Distance = 0;
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| 
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| 	bool const Result = glm::intersectRayTriangle(Orig, Dir, Vert0, Vert1, Vert2, BaryPosition, Distance);
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| 
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| 	Error += glm::all(glm::epsilonEqual(BaryPosition, glm::vec2(0), std::numeric_limits<float>::epsilon())) ? 0 : 1;
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| 	Error += glm::abs(Distance - 2.f) <= std::numeric_limits<float>::epsilon() ? 0 : 1;
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| 	Error += Result ? 0 : 1;
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| 
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| 	return Error;
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| }
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| 
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| int main()
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| {
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| 	int Error = 0;
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| 
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| 	Error += test_intersectRayTriangle();
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| 
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| 	return Error;
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| }
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