122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
// Filename: collisionSphere.h
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// Created by: drose (24Apr00)
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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 COLLISIONSPHERE_H
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#define COLLISIONSPHERE_H
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#include "pandabase.h"
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#include "collisionSolid.h"
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////////////////////////////////////////////////////////////////////
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// Class : CollisionSphere
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// Description : A spherical collision volume or object.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDA CollisionSphere : public CollisionSolid {
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PUBLISHED:
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INLINE CollisionSphere(const LPoint3f ¢er, float radius);
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INLINE CollisionSphere(float cx, float cy, float cz, float radius);
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protected:
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INLINE CollisionSphere();
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public:
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INLINE CollisionSphere(const CollisionSphere ©);
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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 PStatCollector get_volume_pcollector();
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virtual PStatCollector get_test_pcollector();
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virtual void output(ostream &out) const;
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INLINE static void flush_level();
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PUBLISHED:
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INLINE void set_center(const LPoint3f ¢er);
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INLINE void set_center(float x, float y, float z);
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INLINE const LPoint3f &get_center() const;
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INLINE void set_radius(float radius);
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INLINE float get_radius() const;
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protected:
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virtual PT(BoundingVolume) compute_internal_bounds() const;
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virtual PT(CollisionEntry)
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test_intersection_from_ds_solid(const CollisionEntry &entry) const;
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virtual PT(CollisionEntry)
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test_intersection_from_sphere(const CollisionEntry &entry) const;
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virtual PT(CollisionEntry)
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test_intersection_from_line(const CollisionEntry &entry) const;
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virtual PT(CollisionEntry)
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test_intersection_from_ray(const CollisionEntry &entry) const;
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virtual PT(CollisionEntry)
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test_intersection_from_segment(const CollisionEntry &entry) const;
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virtual void fill_viz_geom();
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protected:
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bool intersects_line(double &t1, double &t2,
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const LPoint3f &from, const LVector3f &delta) const;
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Vertexf compute_point(float latitude, float longitude) const;
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private:
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LPoint3f _center;
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float _radius;
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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 &me);
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protected:
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static TypedWritable *make_CollisionSphere(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, "CollisionSphere",
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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 "collisionSphere.I"
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#endif
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