1 | |
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2 | |
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3 | /* |
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4 | orxonox - the future of 3D-vertical-scrollers |
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5 | |
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6 | Copyright (C) 2004 orx |
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7 | |
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8 | This program is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 2, or (at your option) |
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11 | any later version. |
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12 | |
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13 | ### File Specific: |
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14 | main-programmer: Patrick Boenzli |
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15 | co-programmer: Benjamin Grauer |
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16 | |
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17 | bensch: renamed the file |
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18 | */ |
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19 | |
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20 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_PHYSICS |
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21 | |
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22 | #include "physics_interface.h" |
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23 | #include "list.h" |
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24 | #include "string.h" |
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25 | #include "stdincl.h" |
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26 | |
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27 | using namespace std; |
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28 | |
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29 | |
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30 | /** |
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31 | \brief standard constructor |
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32 | */ |
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33 | PhysicsInterface::PhysicsInterface () |
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34 | { |
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35 | this->setClassName ("PhysicsInterface"); |
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36 | this->mass = 0; |
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37 | this->massChildren = 0; |
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38 | this->forceSum = Vector(0, 0, 0); |
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39 | } |
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40 | |
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41 | |
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42 | /** |
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43 | \brief standard deconstructor |
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44 | |
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45 | */ |
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46 | PhysicsInterface::~PhysicsInterface () |
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47 | { |
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48 | // delete what has to be deleted here |
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49 | } |
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50 | |
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51 | void PhysicsInterface::recalcMass() |
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52 | { |
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53 | float massSum = 0; |
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54 | |
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55 | tIterator<PNode>* iterator = this->children->getIterator(); |
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56 | PNode* pn = iterator->nextElement(); |
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57 | while( pn != NULL) |
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58 | { |
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59 | // todo: find out if children are PhysicsInterface in an efficient way |
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60 | if (strcmp( pn->getClassName(), "PhysicsInterface")) { |
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61 | massSum += ((PhysicsInterface*)pn)->getTotalMass(); |
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62 | } |
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63 | pn = iterator->nextElement(); |
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64 | } |
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65 | delete iterator; |
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66 | |
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67 | if (massSum != this->massChildren ) { |
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68 | this->massChildren = massSum; |
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69 | if (strcmp( parent->getClassName(), "PhysicsInterface")) |
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70 | ((PhysicsInterface*)parent)->recalcMass(); |
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71 | } else { |
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72 | this->massChildren = massSum; |
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73 | } |
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74 | } |
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75 | |
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76 | |
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77 | void PhysicsInterface::addForce( Vector force ) |
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78 | { |
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79 | forceSum += force; |
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80 | } |
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81 | |
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82 | void PhysicsInterface::addForce(Vector force, Vector grip) |
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83 | { |
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84 | // add central force |
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85 | forceSum += force; |
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86 | // add momentum |
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87 | // todo: some vector math |
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88 | } |
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89 | |
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90 | void PhysicsInterface::tick( float dt ) |
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91 | { |
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92 | Vector acc = forceSum / ( massChildren + mass ); |
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93 | // todo: introduce kinematics |
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94 | } |
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