Second Demo of OGRE

最新推荐文章于 2024-02-21 13:24:30 发布

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本文介绍了一个使用Ogre引擎创建3D场景的过程。其中包括设置环境光、加载和放置两个不同的3D模型（Ogre头像和机器人）、调整模型位置与旋转角度、创建天空穹顶以及光源等关键步骤。

#include "ExampleApplication.h" class FameApplication : public ExampleApplication { public: FameApplication(); ~FameApplication(); //Just override the mandatory create scene method void createScene(void); void destroyScene(void); }; FameApplication::FameApplication() { } FameApplication::~FameApplication() { } void FameApplication::createScene() { // Set ambient light mSceneMgr->setAmbientLight(ColourValue(0.5, 0.5, 0.5)); // setup a ogre mesh Entity* ogreHead = mSceneMgr->createEntity("Head", "ogrehead.mesh"); SceneNode* headNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(); headNode->attachObject(ogreHead); // setup another ogre mesh Entity* ogreRobot= mSceneMgr->createEntity("Robot", "robot.mesh" ); //SceneNode* RobotNode = mSceneMgr->getRootSceneNode()->createChildSceneNode("RobotNode", Vector3( 50, 0, 0 ) ); //RobotNode as headNode's child node SceneNode* RobotNode = headNode->createChildSceneNode("RobotNode", Vector3( 50, 0, 0 ) ); RobotNode->attachObject(ogreRobot); //only RobotNode moved //RobotNode->translate( Vector3( 10, 0, 10 ) ); //both RobotNode and headNode are moved,because RobotNode is child node of headNode headNode->translate( Vector3( 25, 0, 0 ) ); //scale //headNode->scale( 1, 2, 1 ); //circumgyrate y headNode->yaw( Degree( -90 ) ); //circumgyrate x headNode->pitch( Degree( -90 ) ); //circumgyrate z headNode->roll( Degree( -90 ) ); //get root of scene node SceneNode* pScsnNpde = mSceneMgr->getSceneNode("RobotNode"); //get entity of scene by name Entity* pEntity = mSceneMgr->getEntity("Robot"); // Create a skydome mSceneMgr->setSkyDome(true, "Examples/CloudySky", 5, 8); mSceneMgr->setCameraRelativeRendering(true); mSceneMgr->setDisplaySceneNodes(true); mSceneMgr->setFlipCullingOnNegativeScale(true); mSceneMgr->setFog(FOG_NONE); // Create a light Light* l = mSceneMgr->createLight("MainLight"); // Accept default settings: point light, white diffuse, just set position // NB I could attach the light to a SceneNode if I wanted it to move automatically with // other objects, but I don't l->setPosition(20,80,50); } void FameApplication::destroyScene() { } INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT ) { // Create application object FameApplication app; try { app.go(); } catch( Ogre::Exception& e ) { MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL); } return 0; }