114 lines
3.8 KiB
C++
114 lines
3.8 KiB
C++
// Filename: boundingSphere.h
|
|
// Created by: drose (01Oct99)
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
//
|
|
// PANDA 3D SOFTWARE
|
|
// Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
//
|
|
// All use of this software is subject to the terms of the revised BSD
|
|
// license. You should have received a copy of this license along
|
|
// with this source code in a file named "LICENSE."
|
|
//
|
|
////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef BOUNDINGSPHERE_H
|
|
#define BOUNDINGSPHERE_H
|
|
|
|
#include "pandabase.h"
|
|
|
|
#include "finiteBoundingVolume.h"
|
|
|
|
////////////////////////////////////////////////////////////////////
|
|
// Class : BoundingSphere
|
|
// Description : This defines a bounding sphere, consisting of a
|
|
// center and a radius. It is always a sphere, and
|
|
// never an ellipsoid or other quadric.
|
|
////////////////////////////////////////////////////////////////////
|
|
class EXPCL_PANDA_MATHUTIL BoundingSphere : public FiniteBoundingVolume {
|
|
PUBLISHED:
|
|
INLINE_MATHUTIL BoundingSphere();
|
|
INLINE_MATHUTIL BoundingSphere(const LPoint3f ¢er, float radius);
|
|
ALLOC_DELETED_CHAIN(BoundingSphere);
|
|
|
|
public:
|
|
virtual BoundingVolume *make_copy() const;
|
|
|
|
virtual LPoint3f get_min() const;
|
|
virtual LPoint3f get_max() const;
|
|
virtual float get_volume() const;
|
|
|
|
virtual LPoint3f get_approx_center() const;
|
|
virtual void xform(const LMatrix4f &mat);
|
|
|
|
virtual void output(ostream &out) const;
|
|
|
|
PUBLISHED:
|
|
INLINE_MATHUTIL LPoint3f get_center() const;
|
|
INLINE_MATHUTIL float get_radius() const;
|
|
|
|
public:
|
|
virtual const BoundingSphere *as_bounding_sphere() const;
|
|
|
|
protected:
|
|
virtual bool extend_other(BoundingVolume *other) const;
|
|
virtual bool around_other(BoundingVolume *other,
|
|
const BoundingVolume **first,
|
|
const BoundingVolume **last) const;
|
|
virtual int contains_other(const BoundingVolume *other) const;
|
|
|
|
|
|
virtual bool extend_by_point(const LPoint3f &point);
|
|
virtual bool extend_by_sphere(const BoundingSphere *sphere);
|
|
virtual bool extend_by_box(const BoundingBox *box);
|
|
virtual bool extend_by_hexahedron(const BoundingHexahedron *hexahedron);
|
|
bool extend_by_finite(const FiniteBoundingVolume *volume);
|
|
|
|
virtual bool around_points(const LPoint3f *first,
|
|
const LPoint3f *last);
|
|
virtual bool around_spheres(const BoundingVolume **first,
|
|
const BoundingVolume **last);
|
|
virtual bool around_boxes(const BoundingVolume **first,
|
|
const BoundingVolume **last);
|
|
virtual bool around_hexahedrons(const BoundingVolume **first,
|
|
const BoundingVolume **last);
|
|
bool around_finite(const BoundingVolume **first,
|
|
const BoundingVolume **last);
|
|
|
|
virtual int contains_point(const LPoint3f &point) const;
|
|
virtual int contains_lineseg(const LPoint3f &a, const LPoint3f &b) const;
|
|
virtual int contains_hexahedron(const BoundingHexahedron *hexahedron) const;
|
|
virtual int contains_sphere(const BoundingSphere *sphere) const;
|
|
virtual int contains_box(const BoundingBox *box) const;
|
|
virtual int contains_line(const BoundingLine *line) const;
|
|
virtual int contains_plane(const BoundingPlane *plane) const;
|
|
|
|
private:
|
|
LPoint3f _center;
|
|
float _radius;
|
|
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
FiniteBoundingVolume::init_type();
|
|
register_type(_type_handle, "BoundingSphere",
|
|
FiniteBoundingVolume::get_class_type());
|
|
}
|
|
virtual TypeHandle get_type() const {
|
|
return get_class_type();
|
|
}
|
|
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
|
|
|
|
private:
|
|
static TypeHandle _type_handle;
|
|
|
|
friend class BoundingHexahedron;
|
|
};
|
|
|
|
#include "boundingSphere.I"
|
|
|
|
#endif
|