/usr/include/libwildmagic/Wm5IntrSegment3Triangle3.h is in libwildmagic-dev 5.13-1+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | // Geometric Tools, LLC
// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.2 (2012/02/06)
#ifndef WM5INTRSEGMENT3TRIANGLE3_H
#define WM5INTRSEGMENT3TRIANGLE3_H
#include "Wm5MathematicsLIB.h"
#include "Wm5Intersector.h"
#include "Wm5Segment3.h"
#include "Wm5Triangle3.h"
namespace Wm5
{
template <typename Real>
class WM5_MATHEMATICS_ITEM IntrSegment3Triangle3
: public Intersector<Real,Vector3<Real> >
{
public:
IntrSegment3Triangle3 (const Segment3<Real>& segment,
const Triangle3<Real>& triangle);
// Object access.
const Segment3<Real>& GetSegment () const;
const Triangle3<Real>& GetTriangle () const;
// Test-intersection query.
virtual bool Test ();
// Find-intersection query. The point of intersection is
// P = origin + t*direction = b0*V0 + b1*V1 + b2*V2
virtual bool Find ();
Real GetSegmentParameter () const;
Real GetTriBary0 () const;
Real GetTriBary1 () const;
Real GetTriBary2 () const;
// Dynamic test-intersection query.
virtual bool Test (Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// Dynamic find-intersection query. The first point of contact is
// accessed by GetPoint(0), when there is a single contact, or by
// GetPoint(0) and GetPoint(1), when the contact is a segment, in which
// case the fetched points are the segment endpoints. The first time of
// contact is accessed by GetContactTime().
virtual bool Find (Real tmax, const Vector3<Real>& velocity0,
const Vector3<Real>& velocity1);
// NOTE: These functions were intended to be called after the dynamic
// find-intersection query. For the 'bool Find()' query, it was intended
// that you use GetSegmentParameter() or the three GetTriBary?() functions
// to compute the contact point yourself. Now the functions also support
// the 'bool Find()' query.
int GetQuantity () const;
const Vector3<Real>& GetPoint (int i) const;
private:
using Intersector<Real,Vector3<Real> >::IT_EMPTY;
using Intersector<Real,Vector3<Real> >::IT_POINT;
using Intersector<Real,Vector3<Real> >::IT_SEGMENT;
using Intersector<Real,Vector3<Real> >::mContactTime;
using Intersector<Real,Vector3<Real> >::mIntersectionType;
// The objects to intersect.
const Segment3<Real>* mSegment;
const Triangle3<Real>* mTriangle;
// Information about the stationary intersection set.
Real mSegmentParameter, mTriBary0, mTriBary1, mTriBary2;
// Information about the dynamic intersection set.
int mQuantity;
Vector3<Real> mPoint[2];
};
typedef IntrSegment3Triangle3<float> IntrSegment3Triangle3f;
typedef IntrSegment3Triangle3<double> IntrSegment3Triangle3d;
}
#endif
|