127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
/**
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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 collisionSphere.h
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* @author drose
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* @date 2000-04-24
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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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#include "parabola.h"
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#include "collisionBox.h"
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/**
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* A spherical collision volume or object.
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*/
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class EXPCL_PANDA_COLLIDE CollisionSphere : public CollisionSolid {
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PUBLISHED:
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INLINE explicit CollisionSphere(const LPoint3 ¢er, PN_stdfloat radius);
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INLINE explicit CollisionSphere(PN_stdfloat cx, PN_stdfloat cy, PN_stdfloat cz, PN_stdfloat radius);
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virtual LPoint3 get_collision_origin() const;
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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 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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INLINE static void flush_level();
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PUBLISHED:
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INLINE void set_center(const LPoint3 ¢er);
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INLINE void set_center(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE const LPoint3 &get_center() const;
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INLINE void set_radius(PN_stdfloat radius);
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INLINE PN_stdfloat get_radius() const;
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PUBLISHED:
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MAKE_PROPERTY(center, get_center, set_center);
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MAKE_PROPERTY(radius, get_radius, set_radius);
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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_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 PT(CollisionEntry)
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test_intersection_from_capsule(const CollisionEntry &entry) const;
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virtual PT(CollisionEntry)
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test_intersection_from_parabola(const CollisionEntry &entry) const;
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virtual PT(CollisionEntry)
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test_intersection_from_box(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 LPoint3 &from, const LVector3 &delta,
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PN_stdfloat inflate_radius) const;
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bool intersects_parabola(double &t, const LParabola ¶bola,
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double t1, double t2,
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const LPoint3 &p1, const LPoint3 &p2) const;
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LVertex compute_point(PN_stdfloat latitude, PN_stdfloat longitude) const;
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private:
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LPoint3 _center;
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PN_stdfloat _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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