102 lines
3.4 KiB
C
102 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 intersectionBoundingVolume.h
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* @author drose
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* @date 2012-02-08
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*/
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#ifndef INTERSECTIONBOUNDINGVOLUME_H
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#define INTERSECTIONBOUNDINGVOLUME_H
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#include "pandabase.h"
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#include "geometricBoundingVolume.h"
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#include "pvector.h"
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/**
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* This special bounding volume is the intersection of all of its constituent
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* bounding volumes.
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*
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* A point is defined to be within an IntersectionBoundingVolume if it is
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* within all of its component bounding volumes.
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*/
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class EXPCL_PANDA_MATHUTIL IntersectionBoundingVolume : public GeometricBoundingVolume {
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PUBLISHED:
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INLINE_MATHUTIL IntersectionBoundingVolume();
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ALLOC_DELETED_CHAIN(IntersectionBoundingVolume);
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public:
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IntersectionBoundingVolume(const IntersectionBoundingVolume ©);
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public:
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virtual BoundingVolume *make_copy() 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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virtual void write(std::ostream &out, int indent_level) const;
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PUBLISHED:
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INLINE_MATHUTIL int get_num_components() const;
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INLINE_MATHUTIL const GeometricBoundingVolume *get_component(int n) const;
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MAKE_SEQ(get_components, get_num_components, get_component);
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MAKE_SEQ_PROPERTY(components, get_num_components, get_component);
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void clear_components();
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void add_component(const GeometricBoundingVolume *component);
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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 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_sphere(const BoundingSphere *sphere) const;
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virtual int contains_box(const BoundingBox *box) const;
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virtual int contains_hexahedron(const BoundingHexahedron *hexahedron) 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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virtual int contains_union(const UnionBoundingVolume *unionv) const;
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virtual int contains_intersection(const IntersectionBoundingVolume *intersection) const;
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virtual int contains_finite(const FiniteBoundingVolume *volume) const;
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virtual int contains_geometric(const GeometricBoundingVolume *volume) const;
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int other_contains_intersection(const BoundingVolume *other) const;
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private:
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typedef pvector<CPT(GeometricBoundingVolume) > Components;
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Components _components;
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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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GeometricBoundingVolume::init_type();
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register_type(_type_handle, "IntersectionBoundingVolume",
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GeometricBoundingVolume::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 BoundingVolume;
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};
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#include "intersectionBoundingVolume.I"
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#endif
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