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source: orxonox.OLD/trunk/src/lib/physics/fields/gravity.cc @ 7910

Last change on this file since 7910 was 7193, checked in by bensch, 19 years ago

orxonox/trunk: new style for resources (prework/movement)

File size: 1.2 KB
Line 
1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   ### File Specific:
12   main-programmer: Benjamin Grauer
13   co-programmer: ...
14*/
15
16#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_PHYSICS
17
18#include "gravity.h"
19
20#include "util/loading/load_param.h"
21#include "util/loading/factory.h"
22
23using namespace std;
24
25CREATE_FACTORY(Gravity, CL_FIELD_GRAVITY);
26
27Gravity::Gravity(const TiXmlElement* root)
28{
29  this->setClassID(CL_FIELD_GRAVITY, "Gravity");
30
31  if (root != NULL)
32    this->loadParams(root);
33}
34
35/**
36 *  standard deconstructor
37
38*/
39Gravity::~Gravity ()
40{
41  // delete what has to be deleted here
42}
43
44void Gravity::loadParams(const TiXmlElement* root)
45{
46  Field::loadParams(root);
47}
48
49/**
50 *  calculates the Gravity on any point in space
51 * @param data The Position of the Point in space to attache gravity to.
52 * @returns The force.
53*/
54Vector Gravity::calcForce(const Vector& data) const
55{
56  return Vector(0,-1,0) * this->getMagnitude();
57}
58
59
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