1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: Benjamin Grauer |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | //#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_ |
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17 | |
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18 | #include "element_2d.h" |
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19 | #include "render_2d.h" |
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20 | |
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21 | #include "graphics_engine.h" |
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22 | #include "p_node.h" |
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23 | #include "load_param.h" |
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24 | #include "tinyxml.h" |
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25 | #include "class_list.h" |
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26 | #include "list.h" |
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27 | |
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28 | using namespace std; |
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29 | |
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30 | |
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31 | /** |
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32 | * standard constructor |
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33 | * @todo this constructor is not jet implemented - do it |
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34 | */ |
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35 | Element2D::Element2D (Element2D* parent) |
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36 | { |
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37 | this->init(parent); |
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38 | } |
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39 | |
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40 | /** |
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41 | * standard deconstructor |
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42 | */ |
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43 | Element2D::~Element2D () |
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44 | { |
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45 | // delete what has to be deleted here |
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46 | Render2D::getInstance()->unregisterElement2D(this); |
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47 | } |
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48 | |
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49 | |
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50 | /** |
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51 | * initializes a Element2D |
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52 | */ |
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53 | void Element2D::init(Element2D* parent) |
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54 | { |
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55 | this->setClassID(CL_ELEMENT_2D, "Element2D"); |
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56 | |
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57 | this->setVisibility(true); |
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58 | this->setActiveness(true); |
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59 | this->setPosition2D(0,0); |
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60 | this->setAlignment(E2D_ALIGN_NONE); |
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61 | this->layer = E2D_TOP; |
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62 | |
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63 | this->setParentMode2D(E2D_PARENT_ALL); |
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64 | this->children = new tList<Element2D>; |
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65 | this->bRelCoorChanged = true; |
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66 | this->bRelDirChanged = true; |
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67 | if (parent == NULL) |
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68 | this->parent = NULL; |
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69 | // else |
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70 | // this->setParent2D(parent); |
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71 | |
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72 | Render2D::getInstance()->registerElement2D(this); |
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73 | } |
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74 | |
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75 | /** |
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76 | * Loads the Parameters of an Element2D from... |
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77 | * @param root The XML-element to load from |
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78 | */ |
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79 | void Element2D::loadParams(const TiXmlElement* root) |
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80 | { |
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81 | LoadParam<Element2D>(root, "alignment", this, &Element2D::setAlignment) |
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82 | .describe("loads the alignment: (either: center, left, right or screen-center)"); |
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83 | |
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84 | LoadParam<Element2D>(root, "layer", this, &Element2D::setLayer) |
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85 | .describe("loads the layer onto which to project: (either: top, medium, bottom, below-all)"); |
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86 | |
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87 | LoadParam<Element2D>(root, "bind-node", this, &Element2D::setBindNode) |
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88 | .describe("sets a node, this 2D-Element should be shown upon (name of the node)"); |
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89 | |
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90 | LoadParam<Element2D>(root, "2d-position", this, &Element2D::setPosition2D) |
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91 | .describe("the _relative_ position (away from alignment) this 2d-element shows"); |
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92 | |
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93 | LoadParam<Element2D>(root, "visibility", this, &Element2D::setVisibility) |
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94 | .describe("if the Element is visible or not"); |
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95 | } |
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96 | |
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97 | /** |
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98 | * sets the alignment of the 2D-element in form of a String |
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99 | * @param alignment the alignment @see loadParams |
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100 | */ |
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101 | void Element2D::setAlignment(const char* alignment) |
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102 | { |
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103 | if (!strcmp(alignment, "center")) |
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104 | this->setAlignment(E2D_ALIGN_CENTER); |
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105 | else if (!strcmp(alignment, "left")) |
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106 | this->setAlignment(E2D_ALIGN_LEFT); |
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107 | else if (!strcmp(alignment, "right")) |
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108 | this->setAlignment(E2D_ALIGN_RIGHT); |
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109 | else if (!strcmp(alignment, "screen-center")) |
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110 | this->setAlignment(E2D_ALIGN_SCREEN_CENTER); |
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111 | } |
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112 | |
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113 | |
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114 | /** |
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115 | * moves a Element to another layer |
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116 | * @param layer the Layer this is drawn on |
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117 | */ |
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118 | void Element2D::setLayer(E2D_LAYER layer) |
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119 | { |
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120 | Render2D::getInstance()->moveToLayer(this, layer); |
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121 | this->layer = layer; |
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122 | } |
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123 | |
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124 | /** |
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125 | * sets the layer onto which this 2D-element is projected to. |
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126 | * @param layer the layer @see loadParams |
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127 | */ |
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128 | void Element2D::setLayer(const char* layer) |
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129 | { |
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130 | if (!strcmp(layer, "top")) |
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131 | this->setLayer(E2D_TOP); |
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132 | else if (!strcmp(layer, "medium")) |
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133 | this->setLayer(E2D_MEDIUM); |
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134 | else if (!strcmp(layer, "bottom")) |
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135 | this->setLayer(E2D_BOTTOM); |
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136 | else if (!strcmp(layer, "below-all")) |
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137 | this->setLayer(E2D_BELOW_ALL); |
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138 | } |
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139 | |
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140 | |
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141 | /** |
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142 | * sets a node, this 2D-Element should be shown upon |
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143 | * @param bindNode the name of the Node (should be existing) |
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144 | */ |
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145 | void Element2D::setBindNode(const char* bindNode) |
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146 | { |
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147 | const PNode* tmpBindNode = dynamic_cast<const PNode*>(ClassList::getObject(bindNode, CL_PARENT_NODE)); |
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148 | if (tmpBindNode != NULL) |
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149 | this->bindNode = tmpBindNode; |
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150 | } |
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151 | |
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152 | /** |
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153 | * this sets the position of the Element on the screen. |
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154 | * Use this in the your tick function, if you want the element to be automatically positioned. |
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155 | * |
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156 | * @todo must be in update |
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157 | */ |
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158 | void Element2D::positioning() |
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159 | { |
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160 | // setting the Position of this 2D-Element. |
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161 | if (this->alignment == E2D_ALIGN_SCREEN_CENTER) |
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162 | { |
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163 | absPos2D.x = GraphicsEngine::getInstance()->getResolutionX()/2 + this->relPos2D[0]; |
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164 | absPos2D.y = GraphicsEngine::getInstance()->getResolutionY()/2 + this->relPos2D[1]; |
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165 | absPos2D.depth = 0; |
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166 | } |
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167 | else if (this->bindNode) |
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168 | { |
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169 | GLdouble projectPos[3]; |
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170 | gluProject(this->bindNode->getAbsCoor().x, |
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171 | this->bindNode->getAbsCoor().y, |
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172 | this->bindNode->getAbsCoor().z, |
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173 | GraphicsEngine::modMat, |
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174 | GraphicsEngine::projMat, |
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175 | GraphicsEngine::viewPort, |
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176 | projectPos, |
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177 | projectPos+1, |
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178 | projectPos+2); |
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179 | absPos2D.x = projectPos[0] + this->relPos2D[0]; |
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180 | absPos2D.y = GraphicsEngine::getInstance()->getResolutionY() - projectPos[1] + this->relPos2D[1]; |
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181 | absPos2D.depth = projectPos[2]; |
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182 | } |
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183 | else |
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184 | { |
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185 | absPos2D.x = this->relPos2D[0]; |
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186 | absPos2D.y = this->relPos2D[1]; |
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187 | absPos2D.depth = 0; |
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188 | } |
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189 | } |
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190 | |
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191 | |
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192 | void Element2D::setRelCoor2D (const Vector& relCoord) |
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193 | { |
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194 | this->relCoordinate = relCoord; |
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195 | this->bRelCoorChanged = true; |
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196 | } |
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197 | |
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198 | |
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199 | void Element2D::setRelCoor2D (float x, float y, float z) |
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200 | { |
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201 | this->setAbsCoor2D(Vector(x,y,z)); |
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202 | } |
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203 | |
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204 | void Element2D::setRelCoorSoft2D(const Vector& relCoordSoft, float bias) |
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205 | { |
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206 | if (likely(this->toCoordinate == NULL)) |
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207 | this->toCoordinate = new Vector(); |
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208 | |
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209 | *this->toCoordinate = relCoordSoft; |
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210 | this->bias = bias; |
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211 | } |
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212 | |
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213 | void Element2D::setRelCoorSoft2D(float x, float y, float depth, float bias) |
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214 | { |
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215 | this->setRelCoorSoft2D(Vector(x, y, depth), bias); |
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216 | } |
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217 | |
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218 | void Element2D::setAbsCoor2D (const Vector& absCoord) |
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219 | { |
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220 | if( likely(this->parentMode & E2D_PARENT_MOVEMENT)) |
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221 | { |
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222 | /* if you have set the absolute coordinates this overrides all other changes */ |
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223 | if (likely(this->parent != NULL)) |
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224 | this->relCoordinate = absCoord - parent->getAbsCoor2D (); |
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225 | else |
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226 | this->relCoordinate = absCoord; |
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227 | } |
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228 | if( this->parentMode & E2D_PARENT_ROTATE_MOVEMENT) |
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229 | { |
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230 | if (likely(this->parent != NULL)) |
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231 | this->relCoordinate = absCoord - parent->getAbsCoor2D (); |
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232 | else |
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233 | this->relCoordinate = absCoord; |
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234 | } |
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235 | |
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236 | this->bRelCoorChanged = true; |
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237 | } |
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238 | |
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239 | void Element2D::setAbsCoor2D (float x, float y, float depth) |
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240 | { |
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241 | this->setAbsCoor2D(Vector(x, y, depth)); |
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242 | } |
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243 | |
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244 | void Element2D::shiftCoor2D (const Vector& shift) |
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245 | { |
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246 | this->relCoordinate += shift; |
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247 | this->bRelCoorChanged = true; |
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248 | |
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249 | } |
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250 | |
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251 | |
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252 | void Element2D::setRelDir2D (float relDir) |
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253 | { |
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254 | this->relDirection = relDir; |
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255 | this->bRelDirChanged = true; |
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256 | } |
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257 | |
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258 | void Element2D::setRelDirSoft2D(float relDirSoft, float bias) |
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259 | { |
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260 | if (likely(this->toDirection == NULL)) |
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261 | this->toDirection = new float; |
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262 | |
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263 | *this->toDirection = relDirSoft; |
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264 | this->bias = bias; |
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265 | } |
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266 | |
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267 | void Element2D::setAbsDir2D (float absDir) |
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268 | { |
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269 | if (likely(this->parent != NULL)) |
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270 | this->relDirection = absDir - this->parent->getAbsDir2D(); |
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271 | else |
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272 | this->relDirection = absDir; |
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273 | |
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274 | this->bRelDirChanged = true; |
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275 | } |
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276 | |
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277 | void Element2D::shiftDir2D (float shiftDir) |
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278 | { |
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279 | this->relDirection = this->relDirection + shiftDir; |
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280 | this->bRelDirChanged = true; |
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281 | } |
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282 | |
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283 | |
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284 | void Element2D::addChild2D (Element2D* child, int parentingMod) |
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285 | { |
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286 | if( likely(child->parent != NULL)) |
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287 | { |
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288 | PRINTF(4)("Element2D::addChild() - reparenting node: removing it and adding it again\n"); |
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289 | child->parent->children->remove(child); |
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290 | } |
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291 | child->parentMode = parentMode; |
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292 | child->parent = this; |
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293 | this->children->add(child); |
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294 | child->parentCoorChanged(); |
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295 | } |
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296 | |
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297 | void Element2D::addChild2D (const char* childName) |
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298 | { |
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299 | Element2D* childNode = dynamic_cast<Element2D*>(ClassList::getObject(childName, CL_ELEMENT_2D)); |
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300 | if (childNode != NULL) |
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301 | this->addChild2D(childNode); |
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302 | } |
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303 | |
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304 | void Element2D::removeChild2D (Element2D* child) |
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305 | { |
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306 | child->remove2D(); |
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307 | this->children->remove(child); |
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308 | child->parent = NULL; |
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309 | } |
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310 | |
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311 | void Element2D::remove2D() |
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312 | { |
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313 | tIterator<Element2D>* iterator = this->children->getIterator(); |
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314 | Element2D* pn = iterator->nextElement(); |
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315 | |
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316 | while( pn != NULL) |
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317 | { |
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318 | NullElement2D::getInstance()->addChild2D(pn, pn->getParentMode2D()); |
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319 | pn = iterator->nextElement(); |
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320 | } |
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321 | delete iterator; |
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322 | this->parent->children->remove(this); |
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323 | } |
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324 | |
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325 | |
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326 | void Element2D::setParent2D (Element2D* parent) |
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327 | { |
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328 | parent->addChild2D(this); |
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329 | } |
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330 | |
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331 | void Element2D::setParent2D (const char* parentName) |
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332 | { |
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333 | Element2D* parentNode = dynamic_cast<Element2D*>(ClassList::getObject(parentName, CL_ELEMENT_2D)); |
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334 | if (parentNode != NULL) |
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335 | parentNode->addChild2D(this); |
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336 | |
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337 | } |
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338 | |
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339 | |
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340 | void Element2D::softReparent2D(Element2D* parentNode, float bias) |
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341 | { |
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342 | if (this->parent == parentNode) |
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343 | return; |
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344 | |
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345 | if (likely(this->toCoordinate == NULL)) |
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346 | { |
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347 | this->toCoordinate = new Vector(); |
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348 | *this->toCoordinate = this->getRelCoor2D(); |
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349 | } |
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350 | if (likely(this->toDirection == NULL)) |
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351 | { |
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352 | this->toDirection = new float; |
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353 | *this->toDirection = this->getRelDir2D(); |
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354 | } |
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355 | this->bias = bias; |
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356 | |
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357 | |
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358 | Vector tmpV = this->getAbsCoor2D(); |
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359 | float tmpQ = this->getAbsDir2D(); |
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360 | |
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361 | parentNode->addChild2D(this); |
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362 | |
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363 | if (this->parentMode & PNODE_ROTATE_MOVEMENT) |
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364 | ;//this->setRelCoor(this->parent->getAbsDir().inverse().apply(tmpV - this->parent->getAbsCoor())); |
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365 | else |
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366 | this->setRelCoor2D(tmpV - parentNode->getAbsCoor2D()); |
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367 | |
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368 | this->setRelDir2D(tmpQ - parentNode->getAbsDir2D()); |
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369 | } |
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370 | |
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371 | void Element2D::softReparent2D(const char* parentName, float bias) |
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372 | { |
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373 | Element2D* parentNode = dynamic_cast<Element2D*>(ClassList::getObject(parentName, CL_ELEMENT_2D)); |
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374 | if (parentNode != NULL) |
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375 | this->softReparent2D(parentNode, bias); |
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376 | } |
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377 | |
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378 | |
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379 | void Element2D::setParentMode2D (const char* parentingMode) |
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380 | { |
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381 | this->setParentMode2D(Element2D::charToParentingMode2D(parentingMode)); |
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382 | } |
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383 | |
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384 | |
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385 | void Element2D::update2D (float dt) |
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386 | { |
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387 | if( likely(this->parent != NULL)) |
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388 | { |
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389 | // movement for nodes with smoothMove enabled |
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390 | if (unlikely(this->toCoordinate != NULL)) |
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391 | { |
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392 | Vector moveVect = (*this->toCoordinate - this->getRelCoor2D()) *dt*bias; |
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393 | |
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394 | if (likely(moveVect.len() >= .001))//PNODE_ITERATION_DELTA)) |
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395 | { |
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396 | this->shiftCoor2D(moveVect); |
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397 | } |
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398 | else |
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399 | { |
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400 | delete this->toCoordinate; |
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401 | this->toCoordinate = NULL; |
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402 | PRINTF(5)("SmoothMove of %s finished\n", this->getName()); |
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403 | } |
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404 | } |
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405 | if (unlikely(this->toDirection != NULL)) |
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406 | { |
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407 | float rotFlot = (*this->toDirection - this->getRelDir2D()) *dt*bias; |
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408 | if (likely(rotFlot >= .001))//PNODE_ITERATION_DELTA)) |
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409 | { |
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410 | this->shiftDir2D(rotFlot); |
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411 | } |
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412 | else |
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413 | { |
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414 | delete this->toDirection; |
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415 | this->toDirection = NULL; |
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416 | PRINTF(5)("SmoothRotate of %s finished\n", this->getName()); |
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417 | } |
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418 | } |
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419 | |
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420 | // MAIN UPDATE ///////////////////////////////////// |
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421 | this->lastAbsCoordinate = this->absCoordinate; |
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422 | |
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423 | PRINTF(5)("Element2D::update - %s - (%f, %f, %f)\n", this->getName(), this->absCoordinate.x, this->absCoordinate.y, this->absCoordinate.z); |
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424 | |
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425 | |
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426 | if( this->parentMode & PNODE_LOCAL_ROTATE && this->bRelDirChanged) |
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427 | { |
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428 | /* update the current absDirection - remember * means rotation around sth.*/ |
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429 | this->prevRelCoordinate = this->relCoordinate; |
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430 | this->absDirection = this->relDirection + parent->getAbsDir2D();; |
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431 | } |
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432 | |
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433 | if(likely(this->parentMode & PNODE_MOVEMENT)) |
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434 | { |
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435 | /* update the current absCoordinate */ |
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436 | this->prevRelCoordinate = this->relCoordinate; |
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437 | this->absCoordinate = this->parent->getAbsCoor2D() + this->relCoordinate; |
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438 | } |
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439 | else if( this->parentMode & PNODE_ROTATE_MOVEMENT) |
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440 | { |
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441 | /* update the current absCoordinate */ |
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442 | this->prevRelCoordinate = this->relCoordinate; |
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443 | this->absCoordinate.x = this->parent->getAbsCoor2D().x + (this->relCoordinate.x*cos(this->parent->getAbsDir2D()) - this->relCoordinate.y * sin(this->parent->getAbsDir2D())); |
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444 | this->absCoordinate.y = this->parent->getAbsCoor2D().y + (this->relCoordinate.x*sin(this->parent->getAbsDir2D()) + this->relCoordinate.y * cos(this->parent->getAbsDir2D())); |
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445 | |
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446 | } |
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447 | ///////////////////////////////////////////////// |
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448 | } |
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449 | else |
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450 | { |
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451 | PRINTF(5)("Element2D::update - (%f, %f, %f)\n", this->absCoordinate.x, this->absCoordinate.y, this->absCoordinate.z); |
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452 | if (this->bRelCoorChanged) |
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453 | this->absCoordinate = this->relCoordinate; |
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454 | if (this->bRelDirChanged) |
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455 | this->absDirection = this->getAbsDir2D() * this->relDirection; |
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456 | } |
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457 | |
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458 | if(this->children->getSize() > 0) |
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459 | { |
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460 | tIterator<Element2D>* iterator = this->children->getIterator(); |
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461 | Element2D* pn = iterator->nextElement(); |
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462 | while( pn != NULL) |
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463 | { |
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464 | /* if this node has changed, make sure, that all children are updated also */ |
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465 | if( likely(this->bRelCoorChanged)) |
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466 | pn->parentCoorChanged (); |
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467 | if( likely(this->bRelDirChanged)) |
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468 | pn->parentDirChanged (); |
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469 | |
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470 | pn->update2D(dt); |
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471 | //pn = this->children->nextElement(); |
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472 | pn = iterator->nextElement(); |
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473 | } |
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474 | delete iterator; |
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475 | } |
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476 | this->velocity = (this->absCoordinate - this->lastAbsCoordinate) / dt; |
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477 | this->bRelCoorChanged = false; |
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478 | this->bRelDirChanged = false; |
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479 | } |
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480 | |
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481 | |
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482 | void Element2D::debug (unsigned int depth, unsigned int level) const |
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483 | { |
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484 | for (unsigned int i = 0; i < level; i++) |
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485 | PRINT(0)(" |"); |
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486 | if (this->children->getSize() > 0) |
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487 | PRINT(0)(" +"); |
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488 | else |
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489 | PRINT(0)(" -"); |
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490 | PRINT(0)("Element2D(%s::%s) - absCoord: (%0.2f, %0.2f), relCoord(%0.2f, %0.2f), direction(%0.2f) - %s\n", |
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491 | this->getClassName(), |
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492 | this->getName(), |
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493 | this->absCoordinate.x, |
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494 | this->absCoordinate.y, |
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495 | this->relCoordinate.x, |
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496 | this->relCoordinate.y, |
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497 | this->getAbsDir2D(), |
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498 | Element2D::parentingModeToChar2D(parentMode)); |
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499 | if (depth >= 2 || depth == 0) |
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500 | { |
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501 | tIterator<Element2D>* iterator = this->children->getIterator(); |
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502 | //PNode* pn = this->children->enumerate (); |
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503 | Element2D* pn = iterator->nextElement(); |
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504 | while( pn != NULL) |
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505 | { |
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506 | if (depth == 0) |
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507 | pn->debug(0, level + 1); |
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508 | else |
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509 | pn->debug(depth - 1, level +1); |
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510 | pn = iterator->nextElement(); |
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511 | } |
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512 | delete iterator; |
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513 | } |
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514 | } |
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515 | |
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516 | #include "color.h" |
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517 | |
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518 | void Element2D::debugDraw2D(unsigned int depth, float size, Vector color) const |
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519 | { |
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520 | |
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521 | } |
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522 | |
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523 | |
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524 | // helper functions // |
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525 | const char* Element2D::parentingModeToChar2D(int parentingMode) |
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526 | { |
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527 | if (parentingMode == E2D_PARENT_LOCAL_ROTATE) |
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528 | return "local-rotate"; |
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529 | else if (parentingMode == E2D_PARENT_ROTATE_MOVEMENT) |
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530 | return "rotate-movement"; |
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531 | else if (parentingMode == E2D_PARENT_MOVEMENT) |
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532 | return "movement"; |
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533 | else if (parentingMode == E2D_PARENT_ALL) |
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534 | return "all"; |
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535 | else if (parentingMode == E2D_PARENT_ROTATE_AND_MOVE) |
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536 | return "rotate-and-move"; |
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537 | } |
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538 | |
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539 | E2D_PARENT_MODE Element2D::charToParentingMode2D(const char* parentingMode) |
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540 | { |
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541 | if (!strcmp(parentingMode, "local-rotate")) |
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542 | return (E2D_PARENT_LOCAL_ROTATE); |
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543 | else if (!strcmp(parentingMode, "rotate-movement")) |
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544 | return (E2D_PARENT_ROTATE_MOVEMENT); |
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545 | else if (!strcmp(parentingMode, "movement")) |
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546 | return (E2D_PARENT_MOVEMENT); |
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547 | else if (!strcmp(parentingMode, "all")) |
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548 | return (E2D_PARENT_ALL); |
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549 | else if (!strcmp(parentingMode, "rotate-and-move")) |
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550 | return (E2D_PARENT_ROTATE_AND_MOVE); |
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551 | } |
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552 | |
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553 | |
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554 | |
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555 | |
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556 | |
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557 | |
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558 | /** |
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559 | * ticks the 2d-Element |
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560 | * @param dt the time elapsed since the last tick |
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561 | */ |
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562 | void Element2D::tick(float dt) |
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563 | { |
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564 | this->positioning(); |
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565 | } |
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566 | |
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567 | |
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568 | |
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569 | |
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570 | |
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571 | |
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572 | |
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573 | NullElement2D* NullElement2D::singletonRef = 0; |
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574 | |
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575 | /** |
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576 | * creates the one and only NullElement2D |
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577 | * @param absCoordinate the cordinate of the Parent (normally Vector(0,0,0)) |
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578 | */ |
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579 | NullElement2D::NullElement2D () |
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580 | { |
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581 | this->setClassID(CL_NULL_PARENT, "NullElement2D"); |
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582 | this->setName("NullElement2D"); |
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583 | |
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584 | this->setParentMode2D(E2D_PARENT_ALL); |
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585 | NullElement2D::singletonRef = this; |
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586 | } |
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587 | |
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588 | |
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589 | /** |
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590 | * standard deconstructor |
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591 | */ |
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592 | NullElement2D::~NullElement2D () |
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593 | { |
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594 | //delete singletonRef; |
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595 | NullElement2D::singletonRef = NULL; |
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596 | } |
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