130 lines
3.7 KiB
C++
130 lines
3.7 KiB
C++
// Filename: collisionPolygon.h
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// Created by: drose (25Apr00)
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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, 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://www.panda3d.org/license.txt .
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//
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// To contact the maintainers of this program write to
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// panda3d@yahoogroups.com .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef COLLISIONPOLYGON_H
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#define COLLISIONPOLYGON_H
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#include <pandabase.h>
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#include "collisionPlane.h"
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#include <vector_LPoint2f.h>
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///////////////////////////////////////////////////////////////////
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// Class : CollisionPolygon
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// Description :
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA CollisionPolygon : public CollisionPlane {
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PUBLISHED:
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INLINE CollisionPolygon(const LPoint3f &a, const LPoint3f &b,
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const LPoint3f &c);
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INLINE CollisionPolygon(const LPoint3f &a, const LPoint3f &b,
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const LPoint3f &c, const LPoint3f &d);
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INLINE CollisionPolygon(const LPoint3f *begin, const LPoint3f *end);
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public:
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CollisionPolygon(const CollisionPolygon ©);
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virtual CollisionSolid *make_copy();
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INLINE static bool verify_points(const LPoint3f &a, const LPoint3f &b,
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const LPoint3f &c);
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INLINE static bool verify_points(const LPoint3f &a, const LPoint3f &b,
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const LPoint3f &c, const LPoint3f &d);
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static bool verify_points(const LPoint3f *begin, const LPoint3f *end);
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virtual int
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test_intersection(CollisionHandler *record,
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const CollisionEntry &entry,
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const CollisionSolid *into) const;
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virtual void xform(const LMatrix4f &mat);
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virtual LPoint3f get_collision_origin() const;
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virtual void output(ostream &out) const;
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protected:
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INLINE CollisionPolygon(void);
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virtual BoundingVolume *recompute_bound();
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protected:
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virtual int
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test_intersection_from_sphere(CollisionHandler *record,
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const CollisionEntry &entry) const;
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virtual int
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test_intersection_from_ray(CollisionHandler *record,
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const CollisionEntry &entry) const;
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virtual int
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test_intersection_from_segment(CollisionHandler *record,
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const CollisionEntry &entry) const;
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virtual void fill_viz_geom();
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private:
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bool is_inside(const LPoint2f &p) const;
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bool is_concave() const;
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void setup_points(const LPoint3f *begin, const LPoint3f *end);
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LPoint2f to_2d(const LPoint3f &point3d) const;
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LPoint3f to_3d(const LPoint2f &point2d) const;
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private:
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typedef vector_LPoint2f Points;
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Points _points;
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LPoint2f _median;
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enum AxisType {
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AT_x, AT_y, AT_z
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};
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AxisType _axis;
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bool _reversed;
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public:
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static void register_with_read_factory(void);
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virtual void write_datagram(BamWriter* manager, Datagram &me);
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static TypedWritable *make_CollisionPolygon(const FactoryParams ¶ms);
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protected:
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void fillin(DatagramIterator& scan, BamReader* manager);
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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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CollisionPlane::init_type();
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register_type(_type_handle, "CollisionPolygon",
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CollisionPlane::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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};
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#include "collisionPolygon.I"
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#endif
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