56 lines
1.5 KiB
C
56 lines
1.5 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 linearSinkForce.h
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* @author charles
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* @date 2000-06-21
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*/
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#ifndef LINEARSINKFORCE_H
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#define LINEARSINKFORCE_H
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#include "linearDistanceForce.h"
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/**
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* Attractor force. Think black hole.
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*/
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class EXPCL_PANDA_PHYSICS LinearSinkForce : public LinearDistanceForce {
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PUBLISHED:
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explicit LinearSinkForce(const LPoint3& p, FalloffType f, PN_stdfloat r,
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PN_stdfloat a = 1.0f, bool m = true);
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LinearSinkForce();
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LinearSinkForce(const LinearSinkForce ©);
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virtual ~LinearSinkForce();
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virtual void output(std::ostream &out) const;
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virtual void write(std::ostream &out, int indent=0) const;
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private:
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virtual LVector3 get_child_vector(const PhysicsObject *po);
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virtual LinearForce *make_copy();
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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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LinearDistanceForce::init_type();
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register_type(_type_handle, "LinearSinkForce",
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LinearDistanceForce::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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#endif // LINEARSINKFORCE_H
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