[2221] | 1 | /////////////////////////////////////////////////////////////////////////// |
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| 2 | // |
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| 3 | // Realistic real-time rain simulation program |
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| 4 | // |
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| 5 | // Pierre Rousseau |
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| 6 | // |
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| 7 | /////////////////////////////////////////////////////////////////////////// |
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| 8 | |
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| 9 | |
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| 10 | |
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| 11 | #include "CommonRain.h" |
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| 12 | #include "RainFrameListener.h" |
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| 13 | |
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| 14 | |
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| 15 | |
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| 16 | /////////////////////////////////////////////////////////////////////////// |
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| 17 | // global variables |
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| 18 | /////////////////////////////////////////////////////////////////////////// |
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| 19 | |
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| 20 | float startPos[3] = {700, HAUTEUR_OBSERVATEUR, 100 }; |
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| 21 | |
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| 22 | // variable to avoid going down through the ground |
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| 23 | RaySceneQuery* raySceneQuery = 0; |
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| 24 | |
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| 25 | |
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| 26 | |
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| 27 | |
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| 28 | |
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| 29 | |
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| 30 | /** |
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| 31 | ** Class : RainApp : the application's starting point |
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| 32 | ** provided here as an example. |
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| 33 | ** you should uncomment the #define statements in CommonRain.h if you wish to render streaks or snow or regular raindrops. |
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| 34 | */ |
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| 35 | |
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| 36 | class RainApp : public ExampleApplication |
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| 37 | { |
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| 38 | |
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| 39 | private : |
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| 40 | SceneNode *mViewNode, *mCameraNode; |
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| 41 | CloseDropsParticles *mSyst; |
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| 42 | |
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| 43 | public: |
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| 44 | /** Basic constructor */ |
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| 45 | RainApp() |
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| 46 | {} |
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| 47 | |
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| 48 | /** destructor */ |
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| 49 | ~RainApp() |
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| 50 | { |
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| 51 | delete mSyst; |
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| 52 | delete raySceneQuery; |
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| 53 | } |
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| 54 | |
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| 55 | protected: |
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| 56 | |
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| 57 | /** function creating the scene manager used in the application */ |
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| 58 | virtual void chooseSceneManager(void) |
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| 59 | { |
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| 60 | mSceneMgr = mRoot->createSceneManager( ST_EXTERIOR_CLOSE ); |
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| 61 | } |
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| 62 | |
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| 63 | /** function defining the contents of the scene, objects, and particles */ |
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| 64 | void createScene(void) |
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| 65 | { |
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| 66 | // We set a skybox |
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| 67 | mSceneMgr->setSkyBox(true, "Examples/StormySkyBox"); |
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| 68 | |
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| 69 | mSceneMgr->setWorldGeometry( "terrain.cfg" ); |
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| 70 | |
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| 71 | // define a main node used to move the observer. |
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| 72 | // the main camera will be attached to a child node of this main node. |
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| 73 | mViewNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("playerView"); |
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| 74 | |
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| 75 | mViewNode->setPosition(startPos[0], startPos[1], startPos[2]); // the camera is positionned 1.8m above the ground (human height) |
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| 76 | |
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| 77 | mViewNode->yaw(Ogre::Radian(_PI), Ogre::Node::TS_LOCAL); |
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| 78 | mCameraNode = mViewNode->createChildSceneNode(); |
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| 79 | mCameraNode->attachObject(mCamera); |
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| 80 | |
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| 81 | mCamera->setNearClipDistance( 1 ); |
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| 82 | mCamera->setFarClipDistance( 10000 ); |
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| 83 | mCamera->setFOVy(Ogre::Radian(FOVyCam)); // normal FOVy, 60° |
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| 84 | mCamera->setAspectRatio(4.0f/3.0f); |
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| 85 | mCamera->setLodBias(1); |
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| 86 | mCamera->setPosition(Vector3(0, 0, 0)); |
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| 87 | |
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| 88 | // definition of the particle system |
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| 89 | mSyst = new CloseDropsParticles(mSceneMgr, mViewNode, mCameraNode); |
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| 90 | |
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| 91 | // collisions with the terrain |
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| 92 | raySceneQuery = mSceneMgr->createRayQuery(Ray(mCamera->getPosition(), Vector3::NEGATIVE_UNIT_Y)); |
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| 93 | raySceneQuery->setQueryMask(0x80000000); |
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| 94 | } |
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| 95 | |
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| 96 | /** function to connect the application to its scene manager */ |
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| 97 | void createFrameListener(void) |
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| 98 | { |
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| 99 | mFrameListener= new RainFrameListener(mWindow, mCamera, mViewNode, mCameraNode, mSyst); |
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| 100 | mRoot->addFrameListener(mFrameListener); |
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| 101 | } |
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| 102 | }; |
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| 103 | |
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| 104 | |
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| 105 | |
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| 106 | |
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| 107 | |
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| 108 | |
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| 109 | |
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| 110 | |
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| 111 | #ifdef WIN32 |
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| 112 | #include <windows.h> |
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| 113 | #endif |
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| 114 | |
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| 115 | // ---------------------------------------------------------------------------- |
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| 116 | // Main function, just boots the application |
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| 117 | // ---------------------------------------------------------------------------- |
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| 118 | #ifdef WIN32 |
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| 119 | INT WINAPI WinMain(HINSTANCE,HINSTANCE,LPSTR,INT) |
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| 120 | #else |
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| 121 | int main(int argc, char **argv) |
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| 122 | #endif |
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| 123 | { |
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| 124 | srand(time(NULL)); |
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| 125 | // Create application object |
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| 126 | RainApp app; |
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| 127 | |
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| 128 | try |
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| 129 | { |
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| 130 | app.go(); |
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| 131 | } |
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| 132 | catch( Exception& e ) |
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| 133 | { |
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| 134 | #ifdef WIN32 |
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| 135 | MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", |
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| 136 | MB_OK | MB_ICONERROR | MB_TASKMODAL); |
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| 137 | #else |
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| 138 | |
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| 139 | fprintf(stderr, "An exception has occured : %s\n", e.getFullDescription().c_str()); |
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| 140 | #endif |
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| 141 | |
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| 142 | } |
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| 143 | #ifndef WIN32 |
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| 144 | return 0; |
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| 145 | #endif |
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| 146 | } |
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