62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Filename: linearSinkForce.h
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// Created by: charles (21Jun00)
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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 LINEARSINKFORCE_H
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#define LINEARSINKFORCE_H
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#include "linearDistanceForce.h"
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////////////////////////////////////////////////////////////////////
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// Class : LinearSinkForce
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// Description : Attractor force. Think black hole.
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////////////////////////////////////////////////////////////////////
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class EXPCL_PANDAPHYSICS LinearSinkForce : public LinearDistanceForce {
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PUBLISHED:
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LinearSinkForce(const LPoint3f& p, FalloffType f, float r, float a = 1.0f,
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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(ostream &out) const;
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virtual void write(ostream &out, unsigned int indent=0) const;
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private:
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virtual LVector3f 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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