intersect.h

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#ifndef COAL_INTERSECT_H
#define COAL_INTERSECT_H


#include "coal/math/transform.h"

namespace coal {

class COAL_DLLAPI Intersect {
 public:
 static bool buildTrianglePlane(const Vec3s& v1, const Vec3s& v2,
 const Vec3s& v3, Vec3s* n, CoalScalar* t);
}; // class Intersect

class COAL_DLLAPI Project {
 public:
 struct COAL_DLLAPI ProjectResult {
 CoalScalar parameterization[4];

 CoalScalar sqr_distance;

 unsigned int encode;

 ProjectResult() : sqr_distance(-1), encode(0) {}
 };

 static ProjectResult projectLine(const Vec3s& a, const Vec3s& b,
 const Vec3s& p);

 static ProjectResult projectTriangle(const Vec3s& a, const Vec3s& b,
 const Vec3s& c, const Vec3s& p);

 static ProjectResult projectTetrahedra(const Vec3s& a, const Vec3s& b,
 const Vec3s& c, const Vec3s& d,
 const Vec3s& p);

 static ProjectResult projectLineOrigin(const Vec3s& a, const Vec3s& b);

 static ProjectResult projectTriangleOrigin(const Vec3s& a, const Vec3s& b,
 const Vec3s& c);

 static ProjectResult projectTetrahedraOrigin(const Vec3s& a, const Vec3s& b,
 const Vec3s& c, const Vec3s& d);
};

class COAL_DLLAPI TriangleDistance {
 public:
 static void segPoints(const Vec3s& P, const Vec3s& A, const Vec3s& Q,
 const Vec3s& B, Vec3s& VEC, Vec3s& X, Vec3s& Y);

 static CoalScalar sqrTriDistance(const Vec3s S[3], const Vec3s T[3], Vec3s& P,
 Vec3s& Q);

 static CoalScalar sqrTriDistance(const Vec3s& S1, const Vec3s& S2,
 const Vec3s& S3, const Vec3s& T1,
 const Vec3s& T2, const Vec3s& T3, Vec3s& P,
 Vec3s& Q);

 static CoalScalar sqrTriDistance(const Vec3s S[3], const Vec3s T[3],
 const Matrix3s& R, const Vec3s& Tl, Vec3s& P,
 Vec3s& Q);

 static CoalScalar sqrTriDistance(const Vec3s S[3], const Vec3s T[3],
 const Transform3s& tf, Vec3s& P, Vec3s& Q);

 static CoalScalar sqrTriDistance(const Vec3s& S1, const Vec3s& S2,
 const Vec3s& S3, const Vec3s& T1,
 const Vec3s& T2, const Vec3s& T3,
 const Matrix3s& R, const Vec3s& Tl, Vec3s& P,
 Vec3s& Q);

 static CoalScalar sqrTriDistance(const Vec3s& S1, const Vec3s& S2,
 const Vec3s& S3, const Vec3s& T1,
 const Vec3s& T2, const Vec3s& T3,
 const Transform3s& tf, Vec3s& P, Vec3s& Q);
};

} // namespace coal


#endif