1 | /** |
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2 | * Copy-pasted from |
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3 | * - https://bitbucket.org/hasyimi/ogre-debug-drawing-utility/src |
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4 | * - http://www.ogre3d.org/tikiwiki/tiki-index.php?page=Debug+Drawing+Utility+Class |
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5 | * |
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6 | * This source code is released into the Public Domain. |
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7 | * |
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8 | * Modified by Fabian 'x3n' Landau |
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9 | */ |
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10 | |
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11 | #include "DebugDrawer.h" |
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12 | |
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13 | #include <OgreSceneManager.h> |
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14 | #include <OgreRenderQueue.h> |
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15 | #include <OgreManualObject.h> |
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16 | #include <OgreAxisAlignedBox.h> |
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17 | |
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18 | #include "util/Output.h" |
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19 | |
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20 | #define DEFAULT_ICOSPHERE_RECURSION_LEVEL 1 |
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21 | |
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22 | namespace orxonox |
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23 | { |
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24 | DebugDrawer::DebugDrawer(Ogre::SceneManager *_sceneManager, float _fillAlpha) : |
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25 | sceneManager(_sceneManager), fillAlpha(_fillAlpha), manualObject(0), linesIndex(0), trianglesIndex(0) |
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26 | { |
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27 | initialise(); |
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28 | } |
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29 | |
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30 | DebugDrawer::~DebugDrawer() |
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31 | { |
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32 | shutdown(); |
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33 | } |
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34 | |
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35 | void DebugDrawer::initialise() |
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36 | { |
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37 | manualObject = sceneManager->createManualObject("debug_object"); |
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38 | sceneManager->getRootSceneNode()->createChildSceneNode("debug_object")->attachObject(manualObject); |
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39 | manualObject->setDynamic(true); |
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40 | |
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41 | icoSphere0.create(0); |
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42 | icoSphere1.create(1); |
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43 | icoSphere2.create(2); |
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44 | icoSphere3.create(3); |
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45 | icoSphere4.create(4); |
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46 | |
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47 | manualObject->begin("debug_draw", Ogre::RenderOperation::OT_LINE_LIST); |
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48 | manualObject->position(Ogre::Vector3::ZERO); |
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49 | manualObject->colour(Ogre::ColourValue::ZERO); |
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50 | manualObject->index(0); |
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51 | manualObject->end(); |
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52 | manualObject->begin("debug_draw", Ogre::RenderOperation::OT_TRIANGLE_LIST); |
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53 | manualObject->position(Ogre::Vector3::ZERO); |
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54 | manualObject->colour(Ogre::ColourValue::ZERO); |
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55 | manualObject->index(0); |
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56 | manualObject->end(); |
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57 | |
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58 | linesIndex = trianglesIndex = 0; |
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59 | } |
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60 | |
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61 | void DebugDrawer::shutdown() |
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62 | { |
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63 | sceneManager->destroySceneNode("debug_object"); |
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64 | sceneManager->destroyManualObject(manualObject); |
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65 | } |
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66 | |
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67 | void DebugDrawer::buildLine(const Ogre::Vector3& start, const Ogre::Vector3& end, const Ogre::ColourValue& colour, float alpha) |
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68 | { |
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69 | int i = addLineVertex(start, Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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70 | addLineVertex(end, Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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71 | |
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72 | addLineIndices(i, i + 1); |
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73 | } |
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74 | |
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75 | void DebugDrawer::buildQuad(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, float alpha) |
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76 | { |
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77 | int index = addLineVertex(vertices[0], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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78 | addLineVertex(vertices[1], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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79 | addLineVertex(vertices[2], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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80 | addLineVertex(vertices[3], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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81 | |
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82 | for (int i = 0; i < 4; ++i) |
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83 | addLineIndices(index + i, index + ((i + 1) % 4)); |
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84 | } |
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85 | |
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86 | void DebugDrawer::buildCircle(const Ogre::Vector3& centre, float radius, int segmentsCount, const Ogre::ColourValue& colour, float alpha) |
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87 | { |
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88 | int index = linesIndex; |
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89 | float increment = 2 * Ogre::Math::PI / segmentsCount; |
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90 | float angle = 0.0f; |
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91 | |
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92 | for (int i = 0; i < segmentsCount; i++) |
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93 | { |
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94 | addLineVertex(Ogre::Vector3(centre.x + radius * Ogre::Math::Cos(angle), centre.y, centre.z + radius * Ogre::Math::Sin(angle)), |
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95 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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96 | angle += increment; |
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97 | } |
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98 | |
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99 | for (int i = 0; i < segmentsCount; i++) |
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100 | addLineIndices(index + i, i + 1 < segmentsCount ? index + i + 1 : index); |
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101 | } |
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102 | |
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103 | void DebugDrawer::buildFilledCircle(const Ogre::Vector3& centre, float radius, int segmentsCount, const Ogre::ColourValue& colour, float alpha) |
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104 | { |
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105 | int index = trianglesIndex; |
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106 | float increment = 2 * Ogre::Math::PI / segmentsCount; |
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107 | float angle = 0.0f; |
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108 | |
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109 | for (int i = 0; i < segmentsCount; i++) |
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110 | { |
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111 | addTriangleVertex(Ogre::Vector3(centre.x + radius * Ogre::Math::Cos(angle), centre.y, centre.z + radius * Ogre::Math::Sin(angle)), |
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112 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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113 | angle += increment; |
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114 | } |
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115 | |
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116 | addTriangleVertex(centre, Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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117 | |
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118 | for (int i = 0; i < segmentsCount; i++) |
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119 | addTriangleIndices(i + 1 < segmentsCount ? index + i + 1 : index, index + i, index + segmentsCount); |
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120 | } |
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121 | |
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122 | void DebugDrawer::buildCylinder(const Ogre::Vector3& centre, float radius, int segmentsCount, float height, const Ogre::ColourValue& colour, float alpha) |
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123 | { |
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124 | int index = linesIndex; |
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125 | float increment = 2 * Ogre::Math::PI / segmentsCount; |
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126 | float angle = 0.0f; |
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127 | |
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128 | // Top circle |
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129 | for (int i = 0; i < segmentsCount; i++) |
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130 | { |
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131 | addLineVertex(Ogre::Vector3(centre.x + radius * Ogre::Math::Cos(angle), centre.y + height / 2, centre.z + radius * Ogre::Math::Sin(angle)), |
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132 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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133 | angle += increment; |
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134 | } |
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135 | |
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136 | angle = 0.0f; |
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137 | |
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138 | // Bottom circle |
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139 | for (int i = 0; i < segmentsCount; i++) |
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140 | { |
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141 | addLineVertex(Ogre::Vector3(centre.x + radius * Ogre::Math::Cos(angle), centre.y - height / 2, centre.z + radius * Ogre::Math::Sin(angle)), |
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142 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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143 | angle += increment; |
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144 | } |
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145 | |
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146 | for (int i = 0; i < segmentsCount; i++) |
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147 | { |
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148 | addLineIndices(index + i, i + 1 < segmentsCount ? index + i + 1 : index); |
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149 | addLineIndices(segmentsCount + index + i, i + 1 < segmentsCount ? segmentsCount + index + i + 1 : segmentsCount + index); |
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150 | addLineIndices(index + i, segmentsCount + index + i); |
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151 | } |
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152 | } |
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153 | |
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154 | void DebugDrawer::buildFilledCylinder(const Ogre::Vector3& centre, float radius, int segmentsCount, float height, const Ogre::ColourValue& colour, |
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155 | float alpha) |
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156 | { |
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157 | int index = trianglesIndex; |
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158 | float increment = 2 * Ogre::Math::PI / segmentsCount; |
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159 | float angle = 0.0f; |
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160 | |
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161 | // Top circle |
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162 | for (int i = 0; i < segmentsCount; i++) |
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163 | { |
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164 | addTriangleVertex(Ogre::Vector3(centre.x + radius * Ogre::Math::Cos(angle), centre.y + height / 2, centre.z + radius * Ogre::Math::Sin(angle)), |
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165 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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166 | angle += increment; |
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167 | } |
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168 | |
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169 | addTriangleVertex(Ogre::Vector3(centre.x, centre.y + height / 2, centre.z), Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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170 | |
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171 | angle = 0.0f; |
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172 | |
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173 | // Bottom circle |
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174 | for (int i = 0; i < segmentsCount; i++) |
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175 | { |
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176 | addTriangleVertex(Ogre::Vector3(centre.x + radius * Ogre::Math::Cos(angle), centre.y - height / 2, centre.z + radius * Ogre::Math::Sin(angle)), |
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177 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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178 | angle += increment; |
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179 | } |
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180 | |
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181 | addTriangleVertex(Ogre::Vector3(centre.x, centre.y - height / 2, centre.z), Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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182 | |
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183 | for (int i = 0; i < segmentsCount; i++) |
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184 | { |
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185 | addTriangleIndices(i + 1 < segmentsCount ? index + i + 1 : index, index + i, index + segmentsCount); |
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186 | |
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187 | addTriangleIndices(i + 1 < segmentsCount ? (segmentsCount + 1) + index + i + 1 : (segmentsCount + 1) + index, |
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188 | (segmentsCount + 1) + index + segmentsCount, (segmentsCount + 1) + index + i); |
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189 | |
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190 | addQuadIndices(index + i, i + 1 < segmentsCount ? index + i + 1 : index, |
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191 | i + 1 < segmentsCount ? (segmentsCount + 1) + index + i + 1 : (segmentsCount + 1) + index, (segmentsCount + 1) + index + i); |
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192 | } |
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193 | } |
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194 | |
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195 | void DebugDrawer::buildCuboid(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, float alpha) |
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196 | { |
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197 | int index = addLineVertex(vertices[0], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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198 | for (int i = 1; i < 8; ++i) |
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199 | addLineVertex(vertices[i], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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200 | |
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201 | for (int i = 0; i < 4; ++i) |
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202 | addLineIndices(index + i, index + ((i + 1) % 4)); |
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203 | for (int i = 4; i < 8; ++i) |
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204 | addLineIndices(index + i, i == 7 ? index + 4 : index + i + 1); |
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205 | addLineIndices(index + 1, index + 5); |
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206 | addLineIndices(index + 2, index + 4); |
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207 | addLineIndices(index, index + 6); |
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208 | addLineIndices(index + 3, index + 7); |
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209 | } |
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210 | |
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211 | void DebugDrawer::buildFilledCuboid(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, float alpha) |
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212 | { |
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213 | int index = addTriangleVertex(vertices[0], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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214 | for (int i = 1; i < 8; ++i) |
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215 | addTriangleVertex(vertices[i], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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216 | |
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217 | addQuadIndices(index, index + 1, index + 2, index + 3); |
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218 | addQuadIndices(index + 4, index + 5, index + 6, index + 7); |
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219 | |
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220 | addQuadIndices(index + 1, index + 5, index + 4, index + 2); |
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221 | addQuadIndices(index, index + 3, index + 7, index + 6); |
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222 | |
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223 | addQuadIndices(index + 1, index, index + 6, index + 5); |
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224 | addQuadIndices(index + 4, index + 7, index + 3, index + 2); |
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225 | } |
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226 | |
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227 | void DebugDrawer::buildFilledQuad(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, float alpha) |
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228 | { |
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229 | int index = addTriangleVertex(vertices[0], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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230 | addTriangleVertex(vertices[1], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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231 | addTriangleVertex(vertices[2], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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232 | addTriangleVertex(vertices[3], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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233 | |
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234 | addQuadIndices(index, index + 1, index + 2, index + 3); |
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235 | } |
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236 | |
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237 | void DebugDrawer::buildFilledTriangle(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, float alpha) |
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238 | { |
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239 | int index = addTriangleVertex(vertices[0], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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240 | addTriangleVertex(vertices[1], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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241 | addTriangleVertex(vertices[2], Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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242 | |
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243 | addTriangleIndices(index, index + 1, index + 2); |
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244 | } |
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245 | |
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246 | void DebugDrawer::buildTetrahedron(const Ogre::Vector3& centre, float scale, const Ogre::ColourValue& colour, float alpha) |
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247 | { |
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248 | int index = linesIndex; |
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249 | |
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250 | // Distance from the centre |
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251 | float bottomDistance = scale * 0.2f; |
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252 | float topDistance = scale * 0.62f; |
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253 | float frontDistance = scale * 0.289f; |
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254 | float backDistance = scale * 0.577f; |
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255 | float leftRightDistance = scale * 0.5f; |
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256 | |
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257 | addLineVertex(Ogre::Vector3(centre.x, centre.y + topDistance, centre.z), Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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258 | addLineVertex(Ogre::Vector3(centre.x, centre.y - bottomDistance, centre.z + frontDistance), Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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259 | addLineVertex(Ogre::Vector3(centre.x + leftRightDistance, centre.y - bottomDistance, centre.z - backDistance), |
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260 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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261 | addLineVertex(Ogre::Vector3(centre.x - leftRightDistance, centre.y - bottomDistance, centre.z - backDistance), |
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262 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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263 | |
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264 | addLineIndices(index, index + 1); |
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265 | addLineIndices(index, index + 2); |
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266 | addLineIndices(index, index + 3); |
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267 | |
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268 | addLineIndices(index + 1, index + 2); |
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269 | addLineIndices(index + 2, index + 3); |
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270 | addLineIndices(index + 3, index + 1); |
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271 | } |
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272 | |
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273 | void DebugDrawer::buildFilledTetrahedron(const Ogre::Vector3& centre, float scale, const Ogre::ColourValue& colour, float alpha) |
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274 | { |
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275 | int index = trianglesIndex; |
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276 | |
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277 | // Distance from the centre |
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278 | float bottomDistance = scale * 0.2f; |
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279 | float topDistance = scale * 0.62f; |
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280 | float frontDistance = scale * 0.289f; |
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281 | float backDistance = scale * 0.577f; |
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282 | float leftRightDistance = scale * 0.5f; |
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283 | |
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284 | addTriangleVertex(Ogre::Vector3(centre.x, centre.y + topDistance, centre.z), Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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285 | addTriangleVertex(Ogre::Vector3(centre.x, centre.y - bottomDistance, centre.z + frontDistance), Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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286 | addTriangleVertex(Ogre::Vector3(centre.x + leftRightDistance, centre.y - bottomDistance, centre.z - backDistance), |
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287 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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288 | addTriangleVertex(Ogre::Vector3(centre.x - leftRightDistance, centre.y - bottomDistance, centre.z - backDistance), |
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289 | Ogre::ColourValue(colour.r, colour.g, colour.b, alpha)); |
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290 | |
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291 | addTriangleIndices(index, index + 1, index + 2); |
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292 | addTriangleIndices(index, index + 2, index + 3); |
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293 | addTriangleIndices(index, index + 3, index + 1); |
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294 | |
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295 | addTriangleIndices(index + 1, index + 3, index + 2); |
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296 | } |
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297 | |
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298 | void DebugDrawer::drawLine(const Ogre::Vector3& start, const Ogre::Vector3& end, const Ogre::ColourValue& colour) |
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299 | { |
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300 | buildLine(start, end, colour); |
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301 | } |
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302 | |
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303 | void DebugDrawer::drawCircle(const Ogre::Vector3& centre, float radius, int segmentsCount, const Ogre::ColourValue& colour, bool isFilled) |
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304 | { |
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305 | buildCircle(centre, radius, segmentsCount, colour); |
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306 | if (isFilled) |
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307 | buildFilledCircle(centre, radius, segmentsCount, colour, fillAlpha); |
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308 | } |
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309 | |
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310 | void DebugDrawer::drawCylinder(const Ogre::Vector3& centre, float radius, int segmentsCount, float height, const Ogre::ColourValue& colour, bool isFilled) |
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311 | { |
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312 | buildCylinder(centre, radius, segmentsCount, height, colour); |
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313 | if (isFilled) |
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314 | buildFilledCylinder(centre, radius, segmentsCount, height, colour, fillAlpha); |
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315 | } |
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316 | |
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317 | void DebugDrawer::drawQuad(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, bool isFilled) |
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318 | { |
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319 | buildQuad(vertices, colour); |
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320 | if (isFilled) |
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321 | buildFilledQuad(vertices, colour, fillAlpha); |
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322 | } |
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323 | |
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324 | void DebugDrawer::drawCuboid(const Ogre::Vector3* vertices, const Ogre::ColourValue& colour, bool isFilled) |
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325 | { |
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326 | buildCuboid(vertices, colour); |
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327 | if (isFilled) |
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328 | buildFilledCuboid(vertices, colour, fillAlpha); |
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329 | } |
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330 | |
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331 | void DebugDrawer::drawSphere(const Ogre::Vector3& centre, float radius, const Ogre::ColourValue& colour, bool isFilled) |
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332 | { |
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333 | const IcoSphere& sphere = this->getIcoSphere(radius); |
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334 | |
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335 | int baseIndex = linesIndex; |
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336 | linesIndex += sphere.addToVertices(&lineVertices, centre, colour, radius); |
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337 | sphere.addToLineIndices(baseIndex, &lineIndices); |
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338 | |
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339 | if (isFilled) |
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340 | { |
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341 | baseIndex = trianglesIndex; |
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342 | trianglesIndex += sphere.addToVertices(&triangleVertices, centre, Ogre::ColourValue(colour.r, colour.g, colour.b, fillAlpha), radius); |
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343 | sphere.addToTriangleIndices(baseIndex, &triangleIndices); |
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344 | } |
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345 | } |
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346 | |
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347 | const IcoSphere& DebugDrawer::getIcoSphere(float radius) const |
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348 | { |
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349 | if (radius < 50) |
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350 | return this->icoSphere0; |
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351 | else if (radius < 500) |
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352 | return this->icoSphere1; |
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353 | else if (radius < 5000) |
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354 | return this->icoSphere2; |
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355 | else if (radius < 50000) |
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356 | return this->icoSphere3; |
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357 | else |
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358 | return this->icoSphere4; |
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359 | } |
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360 | |
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361 | void DebugDrawer::drawTetrahedron(const Ogre::Vector3& centre, float scale, const Ogre::ColourValue& colour, bool isFilled) |
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362 | { |
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363 | buildTetrahedron(centre, scale, colour); |
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364 | if (isFilled) |
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365 | buildFilledTetrahedron(centre, scale, colour, fillAlpha); |
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366 | } |
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367 | |
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368 | void DebugDrawer::build() |
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369 | { |
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370 | manualObject->beginUpdate(0); |
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371 | if (lineVertices.size() > 0 && isEnabled) |
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372 | { |
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373 | manualObject->estimateVertexCount(lineVertices.size()); |
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374 | manualObject->estimateIndexCount(lineIndices.size()); |
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375 | for (std::list<VertexPair>::iterator i = lineVertices.begin(); i != lineVertices.end(); i++) |
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376 | { |
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377 | manualObject->position(i->first); |
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378 | manualObject->colour(i->second); |
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379 | } |
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380 | for (std::list<int>::iterator i = lineIndices.begin(); i != lineIndices.end(); i++) |
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381 | manualObject->index(*i); |
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382 | } |
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383 | manualObject->end(); |
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384 | |
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385 | manualObject->beginUpdate(1); |
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386 | if (triangleVertices.size() > 0 && isEnabled) |
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387 | { |
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388 | manualObject->estimateVertexCount(triangleVertices.size()); |
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389 | manualObject->estimateIndexCount(triangleIndices.size()); |
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390 | for (std::list<VertexPair>::iterator i = triangleVertices.begin(); i != triangleVertices.end(); i++) |
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391 | { |
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392 | manualObject->position(i->first); |
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393 | manualObject->colour(i->second.r, i->second.g, i->second.b, fillAlpha); |
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394 | } |
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395 | for (std::list<int>::iterator i = triangleIndices.begin(); i != triangleIndices.end(); i++) |
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396 | manualObject->index(*i); |
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397 | } |
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398 | manualObject->end(); |
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399 | } |
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400 | |
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401 | void DebugDrawer::clear() |
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402 | { |
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403 | lineVertices.clear(); |
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404 | triangleVertices.clear(); |
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405 | lineIndices.clear(); |
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406 | triangleIndices.clear(); |
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407 | linesIndex = trianglesIndex = 0; |
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408 | } |
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409 | |
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410 | int DebugDrawer::addLineVertex(const Ogre::Vector3& vertex, const Ogre::ColourValue& colour) |
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411 | { |
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412 | lineVertices.push_back(VertexPair(vertex, colour)); |
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413 | return linesIndex++; |
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414 | } |
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415 | |
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416 | void DebugDrawer::addLineIndices(int index1, int index2) |
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417 | { |
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418 | lineIndices.push_back(index1); |
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419 | lineIndices.push_back(index2); |
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420 | } |
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421 | |
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422 | int DebugDrawer::addTriangleVertex(const Ogre::Vector3& vertex, const Ogre::ColourValue& colour) |
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423 | { |
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424 | triangleVertices.push_back(VertexPair(vertex, colour)); |
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425 | return trianglesIndex++; |
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426 | } |
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427 | |
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428 | void DebugDrawer::addTriangleIndices(int index1, int index2, int index3) |
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429 | { |
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430 | triangleIndices.push_back(index1); |
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431 | triangleIndices.push_back(index2); |
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432 | triangleIndices.push_back(index3); |
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433 | } |
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434 | |
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435 | void DebugDrawer::addQuadIndices(int index1, int index2, int index3, int index4) |
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436 | { |
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437 | triangleIndices.push_back(index1); |
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438 | triangleIndices.push_back(index2); |
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439 | triangleIndices.push_back(index3); |
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440 | |
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441 | triangleIndices.push_back(index1); |
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442 | triangleIndices.push_back(index3); |
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443 | triangleIndices.push_back(index4); |
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444 | } |
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445 | } |
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