1 | /*
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2 | -----------------------------------------------------------------------------
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3 | This source file is part of OGRE
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4 | (Object-oriented Graphics Rendering Engine)
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5 | For the latest info, see http://www.ogre3d.org/
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6 |
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7 | Copyright (c) 2000-2005 The OGRE Team
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8 | Also see acknowledgements in Readme.html
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9 |
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10 | You may use this sample code for anything you like, it is not covered by the
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11 | LGPL like the rest of the engine.
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12 | -----------------------------------------------------------------------------
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13 | */
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14 |
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15 | /**
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16 | \file
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17 | Lighting.h
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18 | \brief
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19 | Shows lighting support in OGRE. Also demonstrates the use of billboards
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20 | and controllers for automatic time-relative behaviour.
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21 | */
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22 |
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23 |
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24 | #include "ExampleApplication.h"
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25 | #include "OgreIlluminationManager.h"
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26 | #include "SpriteParticleRenderer.h"
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27 |
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28 | bool HighQuality = false;
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29 | float causize = 7;
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30 | float cauintens = 40;
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31 |
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32 | // Listener class for frame updates
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33 | class RaytraceDemoListener : public ExampleFrameListener
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34 | {
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35 | protected:
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36 | SceneNode* goldSphereNode;
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37 | SceneNode* silverSphereNode;
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38 | SceneNode* copperSphereNode;
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39 | SceneNode* aluSphereNode;
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40 | SceneNode* lightNode;
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41 | unsigned long framecount;
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42 |
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43 | public:
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44 | RaytraceDemoListener(RenderWindow* window, Camera* maincam,SceneNode* lightNode,
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45 | SceneNode* goldSphereNode,
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46 | SceneNode* silverSphereNode,
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47 | SceneNode* copperSphereNode,
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48 | SceneNode* aluSphereNode)
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49 | :ExampleFrameListener(window, maincam)
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50 |
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51 | {
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52 | framecount = 0;
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53 | this->goldSphereNode = goldSphereNode;
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54 | this->silverSphereNode = silverSphereNode;
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55 | this->copperSphereNode = copperSphereNode;
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56 | this->aluSphereNode = aluSphereNode;
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57 | this->lightNode = lightNode;
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58 | }
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59 | bool processUnbufferedKeyInput(const FrameEvent& evt)
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60 | {
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61 | MaterialPtr mat = MaterialManager::getSingleton().getByName("GameTools/Cau");
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62 | GpuProgramParameters* Vparams = mat->getTechnique(0)->getPass(0)->getVertexProgramParameters().getPointer();
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63 | GpuProgramParameters* Fparams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters().getPointer();
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64 |
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65 | if (mInputDevice->isKeyDown(KC_SUBTRACT))
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66 | {
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67 | cauintens -= 0.5;
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68 | cauintens = std::max(cauintens, 1.0f);
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69 | float intensity = pow( cauintens / 100.0f, 2 );
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70 | Fparams->setNamedConstant("CauSpriteIntens", intensity);
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71 | }
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72 | if (mInputDevice->isKeyDown(KC_ADD))
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73 | {
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74 | cauintens += 0.5;
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75 | cauintens = std::min(cauintens, 100.0f);
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76 | float intensity = pow( cauintens / 100.0f, 2 );
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77 | Fparams->setNamedConstant("CauSpriteIntens", intensity);
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78 | }
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79 | if (mInputDevice->isKeyDown(KC_MULTIPLY))
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80 | {
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81 | causize = std::max(causize - 0.1, 0.0);
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82 | Vparams->setNamedConstant("CauSpriteSize", causize);
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83 | }
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84 | if (mInputDevice->isKeyDown(KC_DIVIDE))
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85 | {
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86 | causize = causize + 0.1;
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87 | Vparams->setNamedConstant("CauSpriteSize", causize);
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88 | }
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89 |
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90 | return ExampleFrameListener::processUnbufferedKeyInput(evt);
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91 | }
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92 | bool frameStarted(const FrameEvent& evt)
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93 | {
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94 | static bool first = true;
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95 | if(first)
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96 | {
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97 | MaterialPtr mat = MaterialManager::getSingleton().getByName("GameTools/Cau");
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98 | GpuProgramParameters* Vparams = mat->getTechnique(0)->getPass(0)->getVertexProgramParameters().getPointer();
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99 | GpuProgramParameters* Fparams = mat->getTechnique(0)->getPass(0)->getFragmentProgramParameters().getPointer();
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100 | float intensity = pow( cauintens / 100.0f, 2 );
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101 | Fparams->setNamedConstant("CauSpriteIntens", intensity);
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102 | Vparams->setNamedConstant("CauSpriteSize", causize);
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103 | first = false;
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104 | }
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105 |
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106 | lightNode->setPosition( 100.0 * Vector3(cos(-(float)framecount/500.0),2.0,sin(-(float)framecount/500.0)));
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107 | //lightNode->setDirection(-lightNode->getPosition());
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108 |
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109 | goldSphereNode->setPosition( 100.0 *
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110 | Vector3(
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111 | cos((float)framecount/700.0),
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112 | 1.0,
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113 | sin((float)framecount/700.0)));
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114 | silverSphereNode->setPosition( 100.0 *
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115 | Vector3(
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116 | cos((float)framecount/700.0 + Math::PI / 2.0),
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117 | 1.0,
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118 | sin((float)framecount/700.0 + Math::PI / 2.0)));
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119 | copperSphereNode->setPosition( 100.0 *
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120 | Vector3(
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121 | cos((float)framecount/700.0 + Math::PI ),
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122 | 1.0,
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123 | sin((float)framecount/700.0 + Math::PI)));
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124 | aluSphereNode->setPosition( 100.0 *
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125 | Vector3(
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126 | cos((float)framecount/700.0 + 3 * Math::PI / 2.0),
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127 | 1.0,
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128 | sin((float)framecount/700.0+ 3 * Math::PI / 2.0)));
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129 |
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130 | bool result = ExampleFrameListener::frameStarted(evt);
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131 | framecount++;
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132 | return result;
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133 | }
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134 |
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135 |
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136 |
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137 | };
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138 |
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139 | /** Application class */
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140 | class RaytraceDemoApplication : public ExampleApplication
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141 | {
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142 |
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143 | public:
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144 | virtual void go(void)
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145 | {
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146 | if (!setup())
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147 | return;
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148 |
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149 | renderScene();
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150 |
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151 | // clean up
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152 | destroyScene();
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153 | }
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154 |
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155 |
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156 | protected:
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157 | SceneNode* kupolaNode;
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158 | SceneNode* mainLightNode;
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159 | SceneNode* goldSphereNode;
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160 | SceneNode* silverSphereNode;
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161 | SceneNode* copperSphereNode;
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162 | SceneNode* aluSphereNode;
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163 |
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164 | void renderScene(){
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165 |
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166 | mWindow->resetStatistics();
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167 | while(true){
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168 |
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169 |
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170 | #if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
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171 | // Pump events on Win32
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172 | MSG msg;
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173 | while( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
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174 | {
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175 | TranslateMessage( &msg );
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176 | DispatchMessage( &msg );
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177 | }
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178 |
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179 | #endif
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180 |
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181 | if(!mRoot->_fireFrameStarted()){
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182 | break;
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183 | }
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184 | unsigned long framenum = mRoot->getCurrentFrameNumber();
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185 |
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186 | OgreIlluminationManager::getSingleton().update(framenum, mWindow);
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187 |
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188 | //mRoot->renderOneFrame();
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189 | mRoot->_updateAllRenderTargets();
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190 |
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191 | mRoot->_fireFrameEnded();
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192 |
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193 | }
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194 | }
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195 |
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196 | void createPostproc()
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197 | {
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198 | CompositorManager::getSingleton().addCompositor(mWindow->getViewport(0),
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199 | "GameTools/Glow");
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200 | CompositorManager::getSingleton().setCompositorEnabled(mWindow->getViewport(0),
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201 | "GameTools/Glow", true);
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202 | /*
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203 | CompositorManager::getSingleton().addCompositor(mWindow->getViewport(0),
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204 | "GameTools/ToneMap");
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205 | CompositorManager::getSingleton().setCompositorEnabled(mWindow->getViewport(0),
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206 | "GameTools/ToneMap", true);*/
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207 | }
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208 |
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209 |
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210 | void createScene(void)
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211 | {
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212 |
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213 | createPostproc();
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214 |
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215 | OgreIlluminationManager::getSingleton().setMainCamera(mCamera);
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216 | OgreIlluminationManager::getSingleton().setMainViewport(mWindow->getViewport(0));
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217 |
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218 | if(! HighQuality)
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219 | OgreIlluminationManager::getSingleton().setMaxJoinRadius(420);
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220 | else
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221 | OgreIlluminationManager::getSingleton().setMaxJoinRadius(0.1);
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222 |
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223 |
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224 | Root::getSingleton()._setCurrentSceneManager(mSceneMgr);
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225 | mCamera->setPosition(0,100,240);
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226 | mCamera->setFOVy(Radian(Degree(80)));
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227 | //mCamera->setFarClipDistance(1000);
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228 | // Set ambient light
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229 | mSceneMgr->setAmbientLight(ColourValue(1, 1, 1));
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230 |
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231 | // Skybox
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232 | mSceneMgr->setSkyBox(true, "Examples/MorningSkyBox");
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233 |
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234 | SceneNode* rootNode = mSceneMgr->getRootSceneNode();
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235 |
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236 |
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237 | //init objects
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238 | Entity* kupola = mSceneMgr->createEntity("kupola", "kupola.mesh");
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239 | Entity* athene = mSceneMgr->createEntity("athene", "head.mesh");
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240 | Entity* goldSphere = mSceneMgr->createEntity("goldSphere", "head.mesh");
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241 | Entity* silverSphere = mSceneMgr->createEntity("silverSphere", "head.mesh");
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242 | Entity* copperSphere = mSceneMgr->createEntity("copperSphere", "head.mesh");
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243 | Entity* aluSphere = mSceneMgr->createEntity("aluSphere", "head.mesh");
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244 |
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245 | kupola->setCastShadows(false);
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246 | //lod
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247 | //MeshPtr amesh = athene->getMesh();
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248 | //Mesh::LodDistanceList distances;
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249 | //distances.push_back(1);
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250 | //distances.push_back(2);
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251 | //distances.push_back(3);
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252 | //distances.push_back(4);
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253 | ////distances.push_back(5);
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254 | //amesh->generateLodLevels(distances,ProgressiveMesh::VertexReductionQuota::VRQ_PROPORTIONAL,0.6);
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255 | //athene->setMeshLodBias(50000.0,0);
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256 | //tangents
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257 | //amesh->buildTangentVectors(0,1);
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258 | MeshPtr kmesh = kupola->getMesh();
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259 | kmesh->buildTangentVectors(0,1);
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260 |
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261 | //init nodes
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262 | kupolaNode = rootNode->createChildSceneNode( "kupola" );
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263 | kupolaNode->rotate(Vector3(0,1,0),Radian(Degree(90)));
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264 | kupolaNode->attachObject( kupola );
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265 | kupolaNode->scale(25,21,25);
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266 | //kupolaNode->scale(2,2,2);
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267 | //kupolaNode->setPosition(0,100,0);
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268 | SceneNode* atheneNode = rootNode->createChildSceneNode("athene");
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269 | atheneNode->attachObject(athene);
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270 | //atheneNode->setScale(3.5,5.5,5.5);
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271 | atheneNode->setScale(4,4,4);
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272 | //atheneNode->setScale(0.5,0.5,0.5);
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273 | AxisAlignedBox bbox = athene->getBoundingBox();
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274 | atheneNode->setPosition(0, 100,0);
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275 |
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276 |
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277 | goldSphereNode = rootNode->createChildSceneNode( "goldSphere" );
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278 | //goldSphereNode->scale(0.3,0.3,0.3);
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279 | goldSphereNode->scale(2,2,2);
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280 | silverSphereNode = rootNode->createChildSceneNode( "silverSphere" );
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281 | //silverSphereNode->scale(0.3,0.3,0.3);
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282 | silverSphereNode->scale(2,2,2);
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283 | copperSphereNode = rootNode->createChildSceneNode( "copperSphere" );
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284 | //copperSphereNode->scale(0.3,0.3,0.3);
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285 | copperSphereNode->scale(2,2,2);
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286 | aluSphereNode = rootNode->createChildSceneNode( "aluSphere" );
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287 | //aluSphereNode->scale(0.3,0.3,0.3);
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288 | aluSphereNode->scale(2,2,2);
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289 |
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290 | goldSphereNode->attachObject(goldSphere);
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291 | silverSphereNode->attachObject(silverSphere);
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292 | aluSphereNode->attachObject(aluSphere);
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293 | copperSphereNode->attachObject(copperSphere);
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294 |
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295 | goldSphereNode->_updateBounds();
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296 | silverSphereNode->_updateBounds();
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297 | aluSphereNode->_updateBounds();
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298 | copperSphereNode->_updateBounds();
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299 |
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300 | kupolaNode->_updateBounds();
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301 | //atheneNode->_updateBounds();
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302 |
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303 | //Init lights
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304 | Light* mainLight = mSceneMgr->createLight("MainLight");
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305 | mainLight->setType(Light::LT_POINT);
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306 | mainLight->setDiffuseColour(ColourValue::White);
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307 | mainLight->setSpecularColour(ColourValue::White);
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308 | mainLightNode = rootNode->createChildSceneNode();
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309 | mainLightNode->setPosition(0,0,0);
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310 | mainLight->setPosition(mainLightNode->getWorldPosition());
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311 | mainLightNode->attachObject(mainLight);
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312 |
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313 | athene->setMaterialName("GameTools/CubeMap/Localized");
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314 | aluSphere->setMaterialName("EnvMetals/Alu");
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315 | copperSphere->setMaterialName("EnvMetals/Copper");
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316 | goldSphere->setMaterialName("EnvMetals/Gold");
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317 | silverSphere->setMaterialName("EnvMetals/Silver");
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318 |
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319 | OgreIlluminationManager::getSingleton().initTechniques();
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320 |
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321 |
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322 | }
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323 |
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324 | void createFrameListener(void)
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325 | {
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326 | // This is where we instantiate our own frame listener
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327 | mFrameListener= new RaytraceDemoListener(mWindow,
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328 | mCamera,
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329 | mainLightNode,
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330 | goldSphereNode,
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331 | silverSphereNode,
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332 | copperSphereNode,
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333 | aluSphereNode);
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334 | mRoot->addFrameListener(mFrameListener);
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335 | //mRoot->addFrameListener(&OgreIlluminationManager::getSingleton());
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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 |
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