95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file boundingLine.h
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* @author drose
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* @date 2000-07-04
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*/
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#ifndef BOUNDINGLINE_H
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#define BOUNDINGLINE_H
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#include "pandabase.h"
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#include "geometricBoundingVolume.h"
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/**
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* This funny bounding volume is an infinite line with no thickness and
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* extending to infinity in both directions.
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*
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* Note that it *always* extends in both directions, despite the fact that you
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* specify two points to the constructor. These are not endpoints, they are
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* two arbitrary points on the line.
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*/
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class EXPCL_PANDA_MATHUTIL BoundingLine : public GeometricBoundingVolume {
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public:
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INLINE_MATHUTIL BoundingLine();
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PUBLISHED:
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INLINE_MATHUTIL explicit BoundingLine(const LPoint3 &a, const LPoint3 &b);
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ALLOC_DELETED_CHAIN(BoundingLine);
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public:
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virtual BoundingVolume *make_copy() const;
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virtual LPoint3 get_approx_center() const;
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virtual void xform(const LMatrix4 &mat);
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virtual void output(std::ostream &out) const;
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PUBLISHED:
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INLINE_MATHUTIL const LPoint3 &get_point_a() const;
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INLINE_MATHUTIL LPoint3 get_point_b() const;
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public:
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virtual const BoundingLine *as_bounding_line() const;
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protected:
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virtual bool extend_other(BoundingVolume *other) const;
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virtual bool around_other(BoundingVolume *other,
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const BoundingVolume **first,
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const BoundingVolume **last) const;
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virtual int contains_other(const BoundingVolume *other) const;
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virtual bool extend_by_line(const BoundingLine *line);
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virtual int contains_sphere(const BoundingSphere *sphere) const;
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virtual int contains_box(const BoundingBox *box) const;
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PN_stdfloat sqr_dist_to_line(const LPoint3 &point) const;
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private:
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LPoint3 _origin;
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LVector3 _vector;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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GeometricBoundingVolume::init_type();
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register_type(_type_handle, "BoundingLine",
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GeometricBoundingVolume::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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friend class BoundingSphere;
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friend class BoundingBox;
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};
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#include "boundingLine.I"
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#endif
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