127 lines
4.3 KiB
C++
127 lines
4.3 KiB
C++
// Filename: boundingBox.h
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// Created by: drose (31May07)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef BOUNDINGBOX_H
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#define BOUNDINGBOX_H
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#include "pandabase.h"
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#include "finiteBoundingVolume.h"
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#include "plane.h"
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////////////////////////////////////////////////////////////////////
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// Class : BoundingBox
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// Description : An axis-aligned bounding box; that is, a minimum and
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// maximum coordinate triple.
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//
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// This box is always axis-aligned. If you need a more
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// general bounding box, try BoundingHexahedron.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA BoundingBox : public FiniteBoundingVolume {
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PUBLISHED:
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INLINE_MATHUTIL BoundingBox();
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INLINE_MATHUTIL BoundingBox(const LPoint3f &min, const LPoint3f &max);
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ALLOC_DELETED_CHAIN(BoundingBox);
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public:
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virtual BoundingVolume *make_copy() const;
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virtual LPoint3f get_min() const;
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virtual LPoint3f get_max() const;
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virtual float get_volume() const;
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virtual LPoint3f get_approx_center() const;
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virtual void xform(const LMatrix4f &mat);
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virtual void output(ostream &out) const;
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PUBLISHED:
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INLINE_MATHUTIL int get_num_points() const;
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INLINE_MATHUTIL LPoint3f get_point(int n) const;
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INLINE_MATHUTIL int get_num_planes() const;
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INLINE_MATHUTIL Planef get_plane(int n) const;
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public:
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// Inline accessors for speed.
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INLINE_MATHUTIL const LPoint3f &get_minq() const;
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INLINE_MATHUTIL const LPoint3f &get_maxq() 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_point(const LPoint3f &point);
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virtual bool extend_by_sphere(const BoundingSphere *sphere);
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virtual bool extend_by_box(const BoundingBox *box);
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virtual bool extend_by_hexahedron(const BoundingHexahedron *hexahedron);
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bool extend_by_finite(const FiniteBoundingVolume *volume);
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virtual bool around_points(const LPoint3f *first,
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const LPoint3f *last);
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virtual bool around_spheres(const BoundingVolume **first,
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const BoundingVolume **last);
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virtual bool around_boxes(const BoundingVolume **first,
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const BoundingVolume **last);
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virtual bool around_hexahedrons(const BoundingVolume **first,
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const BoundingVolume **last);
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bool around_finite(const BoundingVolume **first,
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const BoundingVolume **last);
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virtual int contains_point(const LPoint3f &point) const;
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virtual int contains_lineseg(const LPoint3f &a, const LPoint3f &b) const;
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virtual int contains_hexahedron(const BoundingHexahedron *hexahedron) const;
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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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virtual int contains_line(const BoundingLine *line) const;
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virtual int contains_plane(const BoundingPlane *plane) const;
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int contains_finite(const FiniteBoundingVolume *volume) const;
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private:
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LPoint3f _min;
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LPoint3f _max;
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static const int plane_def[6][3];
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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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FiniteBoundingVolume::init_type();
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register_type(_type_handle, "BoundingBox",
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FiniteBoundingVolume::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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};
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#include "boundingBox.I"
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#endif
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