[3] | 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) 2000-2006 Torus Knot Software Ltd |
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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 | Filename: ParticleApplication.cpp |
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| 17 | Description: Specialisation of OGRE's framework application to show the |
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| 18 | environment mapping feature. |
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| 19 | ----------------------------------------------------------------------------- |
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| 20 | */ |
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| 21 | |
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| 22 | |
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| 23 | #include "ExampleApplication.h" |
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| 24 | |
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| 25 | |
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| 26 | // Event handler to add ability to alter curvature |
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| 27 | class ParticleFrameListener : public ExampleFrameListener |
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| 28 | { |
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| 29 | protected: |
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| 30 | SceneNode* mFountainNode; |
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| 31 | public: |
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| 32 | ParticleFrameListener(RenderWindow* win, Camera* cam, SceneNode* fountainNode) |
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| 33 | : ExampleFrameListener(win, cam) |
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| 34 | { |
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| 35 | mFountainNode = fountainNode; |
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| 36 | } |
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| 37 | |
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| 38 | bool frameStarted(const FrameEvent& evt) |
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| 39 | { |
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| 40 | if( ExampleFrameListener::frameStarted(evt) == false ) |
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| 41 | return false; |
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| 42 | // Rotate fountains |
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| 43 | mFountainNode->yaw(Degree(evt.timeSinceLastFrame * 30)); |
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| 44 | |
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| 45 | // Call default |
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| 46 | return true; |
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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 | |
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| 52 | |
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| 53 | class ParticleApplication : public ExampleApplication |
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| 54 | { |
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| 55 | public: |
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| 56 | ParticleApplication() {} |
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| 57 | |
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| 58 | protected: |
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| 59 | SceneNode* mFountainNode; |
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| 60 | |
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| 61 | // Just override the mandatory create scene method |
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| 62 | void createScene(void) |
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| 63 | { |
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| 64 | // Set ambient light |
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| 65 | mSceneMgr->setAmbientLight(ColourValue(0.5, 0.5, 0.5)); |
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| 66 | |
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| 67 | |
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| 68 | |
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| 69 | Entity *ent = mSceneMgr->createEntity("head", "ogrehead.mesh"); |
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| 70 | |
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| 71 | // Add entity to the root scene node |
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| 72 | mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(ent); |
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| 73 | |
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| 74 | |
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| 75 | // Green nimbus around Ogre |
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| 76 | //mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject( |
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| 77 | // mSceneMgr->createParticleSystem("Nimbus", "Examples/GreenyNimbus")); |
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| 78 | |
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[1] | 79 | // Create some nice fireworks |
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[3] | 80 | mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject( |
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| 81 | mSceneMgr->createParticleSystem("Fireworks", "Examples/Fireworks")); |
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| 82 | |
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| 83 | // Create shared node for 2 fountains |
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| 84 | mFountainNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(); |
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| 85 | |
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| 86 | // fountain 1 |
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| 87 | ParticleSystem* pSys2 = mSceneMgr->createParticleSystem("fountain1", |
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| 88 | "Examples/PurpleFountain"); |
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| 89 | // Point the fountain at an angle |
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| 90 | SceneNode* fNode = mFountainNode->createChildSceneNode(); |
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| 91 | fNode->translate(200,-100,0); |
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| 92 | fNode->rotate(Vector3::UNIT_Z, Degree(20)); |
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| 93 | fNode->attachObject(pSys2); |
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| 94 | |
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| 95 | // fountain 2 |
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| 96 | ParticleSystem* pSys3 = mSceneMgr->createParticleSystem("fountain2", |
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| 97 | "Examples/PurpleFountain"); |
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| 98 | // Point the fountain at an angle |
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| 99 | fNode = mFountainNode->createChildSceneNode(); |
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| 100 | fNode->translate(-200,-100,0); |
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| 101 | fNode->rotate(Vector3::UNIT_Z, Degree(-20)); |
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| 102 | fNode->attachObject(pSys3); |
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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 | // Create a rainstorm |
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| 108 | ParticleSystem* pSys4 = mSceneMgr->createParticleSystem("rain", |
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| 109 | "Examples/Rain"); |
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| 110 | SceneNode* rNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(); |
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| 111 | rNode->translate(0,1000,0); |
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| 112 | rNode->attachObject(pSys4); |
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| 113 | // Fast-forward the rain so it looks more natural |
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| 114 | pSys4->fastForward(5); |
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| 115 | |
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| 116 | |
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| 117 | // Aureola around Ogre perpendicular to the ground |
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| 118 | ParticleSystem* pSys5 = mSceneMgr->createParticleSystem("Aureola", |
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| 119 | "Examples/Aureola"); |
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| 120 | mSceneMgr->getRootSceneNode()->createChildSceneNode()->attachObject(pSys5); |
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| 121 | |
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| 122 | // Set nonvisible timeout |
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| 123 | ParticleSystem::setDefaultNonVisibleUpdateTimeout(5); |
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| 124 | } |
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| 125 | |
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| 126 | // Create new frame listener |
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| 127 | void createFrameListener(void) |
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| 128 | { |
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| 129 | mFrameListener= new ParticleFrameListener(mWindow, mCamera, mFountainNode); |
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| 130 | mRoot->addFrameListener(mFrameListener); |
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| 131 | } |
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| 132 | |
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| 133 | |
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| 134 | }; |
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| 135 | |
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