105 lines
2.9 KiB
C
105 lines
2.9 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 collisionSegment.h
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* @author drose
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* @date 2001-01-30
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*/
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#ifndef COLLISIONSEGMENT_H
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#define COLLISIONSEGMENT_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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* A finite line segment, with two specific endpoints but no thickness. It's
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* similar to a CollisionRay, except it does not continue to infinity.
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*
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* It does have an ordering, from point A to point B. If more than a single
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* point of the segment is intersecting a solid, the reported intersection
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* point is generally the closest on the segment to point A.
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*/
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class EXPCL_PANDA_COLLIDE CollisionSegment : public CollisionSolid {
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PUBLISHED:
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INLINE CollisionSegment();
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INLINE explicit CollisionSegment(const LPoint3 &a, const LPoint3 &db);
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INLINE explicit CollisionSegment(PN_stdfloat ax, PN_stdfloat ay, PN_stdfloat az,
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PN_stdfloat bx, PN_stdfloat by, PN_stdfloat bz);
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virtual LPoint3 get_collision_origin() const;
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public:
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INLINE CollisionSegment(const CollisionSegment ©);
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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_point_a(const LPoint3 &a);
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INLINE void set_point_a(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE const LPoint3 &get_point_a() const;
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INLINE void set_point_b(const LPoint3 &b);
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INLINE void set_point_b(PN_stdfloat x, PN_stdfloat y, PN_stdfloat z);
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INLINE const LPoint3 &get_point_b() const;
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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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PUBLISHED:
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MAKE_PROPERTY(point_a, get_point_a, set_point_a);
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MAKE_PROPERTY(point_b, get_point_b, set_point_b);
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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 _a, _b;
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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, "CollisionSegment",
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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 "collisionSegment.I"
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#endif
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