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108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
// Filename: boundingSphere.h
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// Created by: drose (01Oct99)
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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 BOUNDINGSPHERE_H
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#define BOUNDINGSPHERE_H
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#include "pandabase.h"
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#include "finiteBoundingVolume.h"
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////////////////////////////////////////////////////////////////////
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// Class : BoundingSphere
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// Description : This defines a bounding sphere, consisting of a
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// center and a radius. It is always a sphere, and
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// never an ellipsoid or other quadric.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA BoundingSphere : public FiniteBoundingVolume {
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PUBLISHED:
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INLINE_MATHUTIL BoundingSphere();
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INLINE_MATHUTIL BoundingSphere(const LPoint3f ¢er, float radius);
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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 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 const LPoint3f &get_center() const;
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INLINE_MATHUTIL float get_radius() 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_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_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_line(const BoundingLine *line) const;
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private:
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LPoint3f _center;
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float _radius;
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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, "BoundingSphere",
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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 BoundingHexahedron;
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};
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#include "boundingSphere.I"
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#endif
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