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54 lines
1.4 KiB
54 lines
1.4 KiB
#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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int test_intersectRayTriangle() |
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{ |
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int Error = 0; |
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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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bool const Result = glm::intersectRayTriangle(Orig, Dir, Vert0, Vert1, Vert2, BaryPosition, Distance); |
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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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return Error; |
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} |
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int test_intersectLineTriangle() |
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{ |
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int Error = 0; |
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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::vec3 Position(2.0f, 0.0f, 0.0f); |
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bool const Result = glm::intersectLineTriangle(Orig, Dir, Vert0, Vert1, Vert2, Position); |
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Error += glm::all(glm::epsilonEqual(Position, glm::vec3(2.0f, 0.0f, 0.0f), std::numeric_limits<float>::epsilon())) ? 0 : 1; |
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Error += Result ? 0 : 1; |
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return Error; |
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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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Error += test_intersectRayTriangle(); |
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Error += test_intersectLineTriangle(); |
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return Error; |
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}
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