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108 lines
3.1 KiB
C++
108 lines
3.1 KiB
C++
// Filename: collisionRay.h
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// Created by: drose (22Jun00)
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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 - 2004, 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://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef COLLISIONRAY_H
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#define COLLISIONRAY_H
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#include "pandabase.h"
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#include "collisionSolid.h"
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class LensNode;
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////////////////////////////////////////////////////////////////////
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// Class : CollisionRay
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// Description : An infinite ray, with a specific origin and
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// direction. It begins at its origin and continues in
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// one direction to infinity, and it has no radius.
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// Useful for picking from a window, or for gravity
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// effects.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA CollisionRay : public CollisionSolid {
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PUBLISHED:
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INLINE CollisionRay();
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INLINE CollisionRay(const LPoint3f &origin, const LVector3f &direction);
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INLINE CollisionRay(float ox, float oy, float oz,
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float dx, float dy, float dz);
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public:
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INLINE CollisionRay(const CollisionRay ©);
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virtual CollisionSolid *make_copy();
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virtual PT(CollisionEntry)
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test_intersection(const CollisionEntry &entry) 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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PUBLISHED:
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INLINE void set_origin(const LPoint3f &origin);
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INLINE void set_origin(float x, float y, float z);
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INLINE const LPoint3f &get_origin() const;
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INLINE void set_direction(const LVector3f &direction);
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INLINE void set_direction(float x, float y, float z);
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INLINE const LVector3f &get_direction() const;
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bool set_from_lens(LensNode *camera, const LPoint2f &point);
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INLINE bool set_from_lens(LensNode *camera, float px, float py);
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protected:
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virtual BoundingVolume *recompute_bound();
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protected:
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virtual void fill_viz_geom();
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private:
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LPoint3f _origin;
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LVector3f _direction;
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public:
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static void register_with_read_factory();
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virtual void write_datagram(BamWriter *manager, Datagram &dg);
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protected:
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static TypedWritable *make_from_bam(const FactoryParams ¶ms);
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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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CollisionSolid::init_type();
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register_type(_type_handle, "CollisionRay",
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CollisionSolid::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 "collisionRay.I"
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#endif
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