Program Listing for File 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