source:
orxonox.OLD/branches/qt_gui/src/lib/physics/fields/gravity.cc
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7208
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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 "load_param.h" |
21 | #include "factory.h" |
22 | |
23 | using namespace std; |
24 | |
25 | CREATE_FACTORY(Gravity, CL_FIELD_GRAVITY); |
26 | |
27 | Gravity::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 | */ |
39 | Gravity::~Gravity () |
40 | { |
41 | // delete what has to be deleted here |
42 | } |
43 | |
44 | void 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 | */ |
54 | Vector Gravity::calcForce(const Vector& data) const |
55 | { |
56 | return Vector(0,-1,0) * this->getMagnitude(); |
57 | } |
58 | |
59 |
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