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30 lines
1.1 KiB
C++
30 lines
1.1 KiB
C++
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#pragma once
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#include <gp_Vec.hxx>
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#include <array>
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struct ray {
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float origin[3];
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float dir[3];
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float dir_inv[3];
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};
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struct box {
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float corners[2][3];
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};
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bool is_intersect_ray_box(const struct ray *ray, const struct box *box);
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bool intersectRayTriangle( const gp_Vec& orig, const gp_Vec& dir,
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const gp_Vec& vert0, const gp_Vec& vert1, const gp_Vec& vert2,
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Standard_Real& at, Standard_Real& au, Standard_Real& av,
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bool cull, float enlarge=0.0f);
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void edgeEdgeDist(gp_Vec& x, gp_Vec& y, // closest points
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const gp_Vec& p, const gp_Vec& a, // seg 1 origin, vector
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const gp_Vec& q, const gp_Vec& b); // seg 2 origin, vector
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float distanceTriangleTriangleSquared(gp_Vec& cp, gp_Vec& cq, const std::array<gp_Vec, 3> p, const std::array<gp_Vec, 3> q);
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bool trianglesIntersect(const gp_Vec& a1, const gp_Vec& b1, const gp_Vec& c1, const gp_Vec& a2, const gp_Vec& b2, const gp_Vec& c2/*, Segment* intersection*/, gp_Vec& int1, gp_Vec& int2, bool ignoreCoplanar);
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