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panda/src/physics/linearRandomForce.cxx

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00001 // Filename: linearRandomForce.cxx
00002 // Created by:  charles (19Jun00)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
00008 //
00009 // All use of this software is subject to the terms of the Panda 3d
00010 // Software license.  You should have received a copy of this license
00011 // along with this source code; you will also find a current copy of
00012 // the license at http://www.panda3d.org/license.txt .
00013 //
00014 // To contact the maintainers of this program write to
00015 // panda3d@yahoogroups.com .
00016 //
00017 ////////////////////////////////////////////////////////////////////
00018 
00019 #include "linearRandomForce.h"
00020 
00021 TypeHandle LinearRandomForce::_type_handle;
00022 
00023 ////////////////////////////////////////////////////////////////////
00024 //    Function : LinearRandomForce
00025 //      Access : Protected
00026 // Description : vector constructor
00027 ////////////////////////////////////////////////////////////////////
00028 LinearRandomForce::
00029 LinearRandomForce(float a, bool mass) :
00030   LinearForce(a, mass) {
00031 }
00032 
00033 ////////////////////////////////////////////////////////////////////
00034 //    Function : LinearRandomForce
00035 //      Access : Protected
00036 // Description : copy constructor
00037 ////////////////////////////////////////////////////////////////////
00038 LinearRandomForce::
00039 LinearRandomForce(const LinearRandomForce &copy) :
00040   LinearForce(copy) {
00041 }
00042 
00043 ////////////////////////////////////////////////////////////////////
00044 //    Function : ~LinearRandomForce
00045 //      Access : public
00046 // Description : destructor
00047 ////////////////////////////////////////////////////////////////////
00048 LinearRandomForce::
00049 ~LinearRandomForce(void) {
00050 }
00051 
00052 ////////////////////////////////////////////////////////////////////
00053 //     Function : bounded_rand
00054 //       Access : Protected
00055 //  Description : Returns a float in [0, 1]
00056 ////////////////////////////////////////////////////////////////////
00057 float LinearRandomForce::
00058 bounded_rand(void) {
00059   return ((float)rand() / (float)RAND_MAX);
00060 }

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