1 // Copyright (C) 2008 - 2009 Mathias Froehlich - Mathias.Froehlich@web.de
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Library General Public
5 // License as published by the Free Software Foundation; either
6 // version 2 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Library General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 #ifndef BVHLineSegmentVisitor_hxx
19 #define BVHLineSegmentVisitor_hxx
21 #include <simgear/math/SGGeometry.hxx>
22 #include <simgear/structure/SGSharedPtr.hxx>
23 #include <simgear/scene/material/mat.hxx>
25 #include "BVHVisitor.hxx"
26 #include "BVHNode.hxx"
30 class BVHLineSegmentVisitor : public BVHVisitor {
32 BVHLineSegmentVisitor(const SGLineSegmentd& lineSegment,
33 const double& t = 0) :
34 _lineSegment(lineSegment),
40 virtual ~BVHLineSegmentVisitor()
46 const SGLineSegmentd& getLineSegment() const
47 { return _lineSegment; }
49 SGVec3d getPoint() const
50 { return _lineSegment.getEnd(); }
51 const SGVec3d& getNormal() const
53 const SGVec3d& getLinearVelocity() const
54 { return _linearVelocity; }
55 const SGVec3d& getAngularVelocity() const
56 { return _angularVelocity; }
57 const SGMaterial* getMaterial() const
59 BVHNode::Id getId() const
62 virtual void apply(BVHGroup& group);
63 virtual void apply(BVHTransform& transform);
64 virtual void apply(BVHMotionTransform& transform);
65 virtual void apply(BVHLineGeometry&);
66 virtual void apply(BVHStaticGeometry& node);
68 virtual void apply(const BVHStaticBinary&, const BVHStaticData&);
69 virtual void apply(const BVHStaticTriangle&, const BVHStaticData&);
72 void setLineSegmentEnd(const SGVec3d& end)
74 // Ok, you need to make sure that the new end is in the previous
75 // direction and that the line segment is not enlarged by that call.
77 // FIXME insert code to check this...
79 _lineSegment.set(_lineSegment.getStart(), end);
83 SGLineSegmentd _lineSegment;
86 // belongs in a derived class
88 SGVec3d _linearVelocity;
89 SGVec3d _angularVelocity;
90 const SGMaterial* _material;