Open Inventor walk+Video Open Inventor walk+Video

#include <Inventor/Win/sowin.h> #include <Inventor/Win/viewers/SoWinExaminerViewer.h> #include <Inventor/nodes/SoSeparator.h> #include <Inventor/SoInput.h> #include <Inventor/SoDB.h> #include <Inventor/nodes/SoPerspectiveCamera.h> #include <Inventor/nodes/SoPointLight.h> #include <Inventor/nodes/SoRotation.h> #include <Inventor/nodes/SoTranslation.h> #include <Inventor/nodes/SoEventCallback.h> #include <Inventor/VRMLnodes/SoVRMLMovieTexture.h> #include <Inventor/nodes/SoCube.h> #include <Inventor/nodes/SoTransform.h> #include <Inventor\nodes\SoMaterial.h> SoSeparator *readfile(char *a) { SoInput myInput; if (!myInput.openFile(a)) { (void)fprintf(stdout,"不能打开文件"); exit(0); } else { SoSeparator * fileContents=SoDB::readAll(&myInput); if (fileContents==NULL) { exit(0); } else return fileContents; } } SoPerspectiveCamera *pcam; SoRotation *g_pLookupdownRotation; SoRotation *g_pScenerotyRotation; SoTranslation *g_pPosTrans; float xpos,zpos; float heading = 0.0f; float yrot = 0.0f; float walkbias = 0; float walkbiasangle = 0; float lookupdown = 0.0f; float piover180=M_PI/180.0f; void KeyboardEventCB(void *userData, SoEventCallback *pEventCB) { const SoEvent *pEvent = pEventCB->getEvent(); if(SO_KEY_PRESS_EVENT(pEvent,UP_ARROW))//好像不能实现 或 运算 { xpos -= (float)sin(heading * piover180) * 2; zpos -= (float)cos(heading * piover180) * 2; if (walkbiasangle >= 359.0f) walkbiasangle = 0.0f; else walkbiasangle += 10; walkbias = (float)sin(walkbiasangle * piover180) / 20.0f; g_pPosTrans->translation.setValue(-xpos,-walkbias - 0.25f,-zpos); } else if(SO_KEY_PRESS_EVENT(pEvent,DOWN_ARROW)) { xpos += (float)sin(heading * piover180) * 2; zpos += (float)cos(heading * piover180) * 2; if (walkbiasangle <= 1.0f) walkbiasangle = 359.0f; else walkbiasangle -= 10; walkbias = (float)sin(walkbiasangle * piover180) / 20.0f; g_pPosTrans->translation.setValue(-xpos,-walkbias - 0.25f,-zpos); } else if(SO_KEY_PRESS_EVENT(pEvent,LEFT_ARROW)) { heading += 1.0f; yrot = heading; float sceneroty = 360.0f - yrot; g_pScenerotyRotation->rotation.setValue(SbVec3f(0,1.0f,0),sceneroty * piover180); } else if(SO_KEY_PRESS_EVENT(pEvent,RIGHT_ARROW)) { heading -= 1.0f; yrot = heading; float sceneroty = 360.0f - yrot; g_pScenerotyRotation->rotation.setValue(SbVec3f(0,1.0f,0),sceneroty * piover180); } else if(SO_KEY_PRESS_EVENT(pEvent,PAGE_UP)) { lookupdown -= 1.0f; g_pLookupdownRotation->rotation.setValue(SbVec3f(1.0f,0,0),lookupdown * piover180); } else if(SO_KEY_PRESS_EVENT(pEvent,PAGE_DOWN)) { lookupdown += 1.0f; g_pLookupdownRotation->rotation.setValue(SbVec3f(1.0f,0,0),lookupdown * piover180); } pEventCB->setHandled(); } int main(int argc, char ** argv) { HWND mainwin=SoWin::init(argv[0]); if (mainwin==NULL) { MessageBox(NULL,"Error",NULL,NULL); exit(1); } SoSeparator *root=new SoSeparator; root->ref(); pcam=new SoPerspectiveCamera; pcam->position.setValue(SbVec3f(0,0,40)); // pcam->orientation.setValue(0,-1,0,1); root->addChild(pcam); g_pLookupdownRotation = new SoRotation; g_pLookupdownRotation->rotation.setValue(SbVec3f(1.0f,0,0),0); root->addChild(g_pLookupdownRotation); g_pScenerotyRotation = new SoRotation; g_pScenerotyRotation->rotation.setValue(SbVec3f(0.0f,1.0f,0.0f),M_PI * 2); root->addChild(g_pScenerotyRotation); g_pPosTrans = new SoTranslation; xpos -= (float)sin(heading * M_PI/180.0f) * 0.05f; zpos -= (float)cos(heading * M_PI/180.0f) * 0.05f; if (walkbiasangle >= 359.0f) walkbiasangle = 0.0f; else walkbiasangle += 10; walkbias = (float)sin(walkbiasangle * M_PI/180.0f) / 20.0f; g_pPosTrans->translation.setValue(-xpos,-walkbias - 0.25f,-zpos); root->addChild(g_pPosTrans); SoEventCallback *peventcallback=new SoEventCallback; peventcallback->addEventCallback(SoKeyboardEvent::getClassTypeId(), KeyboardEventCB,root); root->addChild(peventcallback); /* SoPointLight *pointlight=new SoPointLight; pointlight->color.setValue(1.0f,1.0f,1.0f); pointlight->location.setValue(0.0f,100.0f,0.0f); pointlight->intensity.setValue(0.6f); root->addChild(pointlight); */ SoSeparator *scene=new SoSeparator; SoSeparator *date=readfile("date\\hall.wrl"); scene->addChild(date); root->addChild(scene); SoSeparator *scene1=new SoSeparator;//movie root->addChild(scene1); SoSeparator *scene2=new SoSeparator;//desk root->addChild(scene2); SoMaterial *material=new SoMaterial; material->diffuseColor.setValue(0.5,0.5,0.5); scene1->addChild(material); SoVRMLMovieTexture *movie=new SoVRMLMovieTexture; movie->loop.setValue(TRUE); movie->pauseTime.setValue(3.0f); movie->speed.setValue(0.9f); movie->blendColor.setValue(0,0,0); movie->url.setValue("date\\fox.avi"); scene1->addChild(movie); SoCube *cube=new SoCube; cube->depth.setValue(0.001f); cube->height.setValue(21); cube->width.setValue(38); scene1->addChild(cube); SoTransform *movietrans=new SoTransform; movietrans->translation.setValue(101.55,-43,30); movietrans->rotation.setValue(SbVec3f(0.0f,1.0f,0.0f),M_PI/2.0); scene1->insertChild(movietrans,0); // movietrans->rotation.setvalue() /* SoCube *cube2=new SoCube; cube2->height=3; cube2->width=4; scene2->addChild(cube2); SoTransform *mytransform2=new SoTransform; mytransform2->translation.setValue(0,0,-1); scene2->insertChild(mytransform2,0); */ SoWinExaminerViewer *mainviewer=new SoWinExaminerViewer(mainwin); mainviewer->setSceneGraph(root); mainviewer->setDecoration(FALSE); mainviewer->setBackgroundColor(SbColor(0,0,0.8)); mainviewer->setViewing(FALSE); // mainviewer->setHeadlight(FALSE); mainviewer->show(); SoWin::show(mainwin); SoWin::mainLoop(); return 0; }