110 lines
2.8 KiB
C
110 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 collisionParabola.h
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* @author drose
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* @date 2007-10-11
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*/
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#ifndef COLLISIONPARABOLA_H
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#define COLLISIONPARABOLA_H
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#include "pandabase.h"
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#include "collisionSolid.h"
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#include "parabola.h"
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class LensNode;
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/**
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* This defines a parabolic arc, or subset of an arc, similar to the path of a
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* projectile or falling object. It is finite, having a specific beginning
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* and end, but it is infinitely thin.
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*
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* Think of it as a wire bending from point t1 to point t2 along the path of a
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* pre-defined parabola.
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*/
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class EXPCL_PANDA_COLLIDE CollisionParabola : public CollisionSolid {
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PUBLISHED:
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INLINE CollisionParabola();
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INLINE explicit CollisionParabola(const LParabola ¶bola, PN_stdfloat t1, PN_stdfloat t2);
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virtual LPoint3 get_collision_origin() const;
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public:
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INLINE CollisionParabola(const CollisionParabola ©);
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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 PStatCollector &get_volume_pcollector();
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virtual PStatCollector &get_test_pcollector();
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virtual void output(std::ostream &out) const;
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PUBLISHED:
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INLINE void set_parabola(const LParabola ¶bola);
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INLINE const LParabola &get_parabola() const;
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INLINE void set_t1(PN_stdfloat t1);
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INLINE PN_stdfloat get_t1() const;
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INLINE void set_t2(PN_stdfloat t2);
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INLINE PN_stdfloat get_t2() const;
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PUBLISHED:
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MAKE_PROPERTY(parabola, get_parabola, set_parabola);
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MAKE_PROPERTY(t1, get_t1, set_t1);
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MAKE_PROPERTY(t2, get_t2, set_t2);
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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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LParabola _parabola;
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PN_stdfloat _t1, _t2;
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static PStatCollector _volume_pcollector;
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static PStatCollector _test_pcollector;
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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, "CollisionParabola",
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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 "collisionParabola.I"
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#endif
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