100 lines
2.8 KiB
C
100 lines
2.8 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 collisionRay.h
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* @author drose
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* @date 2000-06-22
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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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#include "lensNode.h"
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/**
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* An infinite ray, with a specific origin and direction. It begins at its
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* origin and continues in one direction to infinity, and it has no radius.
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* Useful for picking from a window, or for gravity effects.
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*/
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class EXPCL_PANDA_COLLIDE CollisionRay : public CollisionSolid {
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PUBLISHED:
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INLINE CollisionRay();
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INLINE explicit CollisionRay(const LPoint3 &origin, const LVector3 &direction);
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INLINE explicit CollisionRay(PN_stdfloat ox, PN_stdfloat oy, PN_stdfloat oz,
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PN_stdfloat dx, PN_stdfloat dy, PN_stdfloat dz);
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virtual LPoint3 get_collision_origin() const;
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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 LMatrix4 &mat);
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virtual void output(std::ostream &out) const;
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PUBLISHED:
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INLINE void set_origin(const LPoint3 &origin);
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INLINE void set_origin(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE const LPoint3 &get_origin() const;
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MAKE_PROPERTY(origin, get_origin, set_origin);
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INLINE void set_direction(const LVector3 &direction);
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INLINE void set_direction(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE const LVector3 &get_direction() const;
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MAKE_PROPERTY(direction, get_direction, set_direction);
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bool set_from_lens(LensNode *camera, const LPoint2 &point);
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INLINE bool set_from_lens(LensNode *camera, PN_stdfloat px, PN_stdfloat py);
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protected:
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virtual PT(BoundingVolume) compute_internal_bounds() const;
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protected:
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virtual void fill_viz_geom();
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private:
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LPoint3 _origin;
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LVector3 _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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