111 lines
3.4 KiB
C
111 lines
3.4 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 boundingSphere.h
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* @author drose
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* @date 1999-10-01
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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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* This defines a bounding sphere, consisting of a center and a radius. It is
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* always a sphere, and never an ellipsoid or other quadric.
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*/
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class EXPCL_PANDA_MATHUTIL BoundingSphere : public FiniteBoundingVolume {
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PUBLISHED:
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INLINE_MATHUTIL BoundingSphere();
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INLINE_MATHUTIL explicit BoundingSphere(const LPoint3 ¢er, PN_stdfloat radius);
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ALLOC_DELETED_CHAIN(BoundingSphere);
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public:
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virtual BoundingVolume *make_copy() const;
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virtual LPoint3 get_min() const;
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virtual LPoint3 get_max() const;
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virtual PN_stdfloat get_volume() 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 LPoint3 get_center() const;
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INLINE_MATHUTIL PN_stdfloat get_radius() const;
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INLINE_MATHUTIL void set_center(const LPoint3 ¢er);
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INLINE_MATHUTIL void set_radius(PN_stdfloat radius);
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MAKE_PROPERTY(center, get_center, set_center);
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MAKE_PROPERTY(radius, get_radius, set_radius);
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public:
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virtual const BoundingSphere *as_bounding_sphere() 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 LPoint3 &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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virtual bool extend_by_finite(const FiniteBoundingVolume *volume);
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virtual bool around_points(const LPoint3 *first,
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const LPoint3 *last);
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virtual bool around_finite(const BoundingVolume **first,
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const BoundingVolume **last);
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virtual int contains_point(const LPoint3 &point) const;
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virtual int contains_lineseg(const LPoint3 &a, const LPoint3 &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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private:
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LPoint3 _center;
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PN_stdfloat _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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