122 lines
3.6 KiB
C++
122 lines
3.6 KiB
C++
/**
|
|
* 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."
|
|
*
|
|
* @file boundingBox.h
|
|
* @author drose
|
|
* @date 2007-05-31
|
|
*/
|
|
|
|
#ifndef BOUNDINGBOX_H
|
|
#define BOUNDINGBOX_H
|
|
|
|
#include "pandabase.h"
|
|
|
|
#include "finiteBoundingVolume.h"
|
|
#include "plane.h"
|
|
|
|
/**
|
|
* An axis-aligned bounding box; that is, a minimum and maximum coordinate
|
|
* triple.
|
|
*
|
|
* This box is always axis-aligned. If you need a more general bounding box,
|
|
* try BoundingHexahedron.
|
|
*/
|
|
class EXPCL_PANDA_MATHUTIL BoundingBox : public FiniteBoundingVolume {
|
|
PUBLISHED:
|
|
INLINE_MATHUTIL BoundingBox();
|
|
INLINE_MATHUTIL explicit BoundingBox(const LPoint3 &min, const LPoint3 &max);
|
|
ALLOC_DELETED_CHAIN(BoundingBox);
|
|
|
|
public:
|
|
virtual BoundingVolume *make_copy() const;
|
|
|
|
virtual LPoint3 get_min() const;
|
|
virtual LPoint3 get_max() const;
|
|
virtual PN_stdfloat get_volume() const;
|
|
|
|
virtual LPoint3 get_approx_center() const;
|
|
virtual void xform(const LMatrix4 &mat);
|
|
|
|
virtual void output(std::ostream &out) const;
|
|
|
|
|
|
PUBLISHED:
|
|
INLINE_MATHUTIL int get_num_points() const;
|
|
INLINE_MATHUTIL LPoint3 get_point(int n) const;
|
|
MAKE_SEQ(get_points, get_num_points, get_point);
|
|
INLINE_MATHUTIL int get_num_planes() const;
|
|
INLINE_MATHUTIL LPlane get_plane(int n) const;
|
|
MAKE_SEQ(get_planes, get_num_planes, get_plane);
|
|
|
|
MAKE_SEQ_PROPERTY(points, get_num_points, get_point);
|
|
MAKE_SEQ_PROPERTY(planes, get_num_planes, get_plane);
|
|
|
|
INLINE_MATHUTIL void set_min_max(const LPoint3 &min, const LPoint3 &max);
|
|
|
|
public:
|
|
// Inline accessors for speed.
|
|
INLINE_MATHUTIL const LPoint3 &get_minq() const;
|
|
INLINE_MATHUTIL const LPoint3 &get_maxq() const;
|
|
|
|
public:
|
|
virtual const BoundingBox *as_bounding_box() 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 LPoint3 &point);
|
|
virtual bool extend_by_box(const BoundingBox *box);
|
|
virtual bool extend_by_finite(const FiniteBoundingVolume *volume);
|
|
|
|
virtual bool around_points(const LPoint3 *first,
|
|
const LPoint3 *last);
|
|
virtual bool around_finite(const BoundingVolume **first,
|
|
const BoundingVolume **last);
|
|
|
|
virtual int contains_point(const LPoint3 &point) const;
|
|
virtual int contains_lineseg(const LPoint3 &a, const LPoint3 &b) const;
|
|
virtual int contains_hexahedron(const BoundingHexahedron *hexahedron) 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;
|
|
virtual int contains_finite(const FiniteBoundingVolume *volume) const;
|
|
|
|
private:
|
|
LPoint3 _min;
|
|
LPoint3 _max;
|
|
|
|
static const int plane_def[6][3];
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
FiniteBoundingVolume::init_type();
|
|
register_type(_type_handle, "BoundingBox",
|
|
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 BoundingSphere;
|
|
};
|
|
|
|
#include "boundingBox.I"
|
|
|
|
#endif
|