/usr/include/simgear/bvh/BVHTransform.hxx is in libsimgear-dev 3.4.0-3.
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 | // Copyright (C) 2008 - 2009 Mathias Froehlich - Mathias.Froehlich@web.de
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#ifndef BVHTransform_hxx
#define BVHTransform_hxx
#include "BVHGroup.hxx"
namespace simgear {
class BVHTransform : public BVHGroup {
public:
BVHTransform();
virtual ~BVHTransform();
virtual void accept(BVHVisitor& visitor);
void setTransform(const BVHTransform& transform);
void setToWorldTransform(const SGMatrixd& transform);
const SGMatrixd& getToWorldTransform() const
{ return _toWorld; }
void setToLocalTransform(const SGMatrixd& transform);
const SGMatrixd& getToLocalTransform() const
{ return _toLocal; }
SGVec3d ptToWorld(const SGVec3d& point) const
{ return _toWorld.xformPt(point); }
SGVec3d ptToLocal(const SGVec3d& point) const
{ return _toLocal.xformPt(point); }
SGVec3d vecToWorld(const SGVec3d& vec) const
{ return _toWorld.xformVec(vec); }
SGVec3d vecToLocal(const SGVec3d& vec) const
{ return _toLocal.xformVec(vec); }
SGLineSegmentd lineSegmentToWorld(const SGLineSegmentd& lineSeg) const
{ return lineSeg.transform(_toWorld); }
SGLineSegmentd lineSegmentToLocal(const SGLineSegmentd& lineSeg) const
{ return lineSeg.transform(_toLocal); }
SGSphered sphereToWorld(const SGSphered& sphere) const
{
SGVec3d center = ptToWorld(sphere.getCenter());
double radius = _toWorldAmplification*sphere.getRadius();
return SGSphered(center, radius);
}
SGSphered sphereToLocal(const SGSphered& sphere) const
{
SGVec3d center = ptToLocal(sphere.getCenter());
double radius = _toLocalAmplification*sphere.getRadius();
return SGSphered(center, radius);
}
private:
virtual SGSphered computeBoundingSphere() const;
void updateAmplificationFactors();
SGMatrixd _toWorld;
SGMatrixd _toLocal;
double _toWorldAmplification;
double _toLocalAmplification;
};
}
#endif
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