Examples/Tutorial/00framework.cpp

   1
   2 // all needed include files
   3 #ifdef OSG_BUILD_ACTIVE
   4 #include <OSGGLUT.h>
   5 #include <OSGConfig.h>
   6 #include <OSGSimpleGeometry.h>
   7 #include <OSGGLUTWindow.h>
   8 #include <OSGSimpleSceneManager.h>
   9 #else
  10 #include <OpenSG/OSGGLUT.h>
  11 #include <OpenSG/OSGConfig.h>
  12 #include <OpenSG/OSGSimpleGeometry.h>
  13 #include <OpenSG/OSGGLUTWindow.h>
  14 #include <OpenSG/OSGSimpleSceneManager.h>
  15 #endif
  16
  17 OSG::SimpleSceneManagerRefPtr mgr;
  18 OSG::NodeRecPtr               scene;
  19
  20 int setupGLUT( int *argc, char *argv[] );
  21
  22 OSG::NodeTransitPtr createScenegraph(void)
  23 {
  24     // the scene must be created here
  25
  26     return OSG::NodeTransitPtr();
  27 }
  28
  29 int main(int argc, char **argv)
  30 {
  31     OSG::osgInit(argc,argv);
  32
  33     {
  34         int winid = setupGLUT(&argc, argv);
  35         OSG::GLUTWindowRecPtr gwin = OSG::GLUTWindow::create();
  36         gwin->setGlutId(winid);
  37         gwin->init();
  38
  39         scene = createScenegraph();
  40
  41         mgr = OSG::SimpleSceneManager::create();
  42         mgr->setWindow(gwin );
  43         mgr->setRoot  (scene);
  44         mgr->showAll();
  45     }
  46
  47     glutMainLoop();
  48
  49     return 0;
  50 }
  51
  52 void reshape(int w, int h)
  53 {
  54     mgr->resize(w, h);
  55     glutPostRedisplay();
  56 }
  57
  58 void display(void)
  59 {
  60     mgr->redraw();
  61 }
  62
  63 void mouse(int button, int state, int x, int y)
  64 {
  65     if (state)
  66         mgr->mouseButtonRelease(button, x, y);
  67     else
  68         mgr->mouseButtonPress(button, x, y);
  69
  70     glutPostRedisplay();
  71 }
  72
  73 void motion(int x, int y)
  74 {
  75     mgr->mouseMove(x, y);
  76     glutPostRedisplay();
  77 }
  78
  79 int setupGLUT(int *argc, char *argv[])
  80 {
  81     glutInit(argc, argv);
  82     glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
  83
  84     int winid = glutCreateWindow("OpenSG First Application");
  85
  86     glutDisplayFunc(display);
  87     glutMouseFunc(mouse);
  88     glutMotionFunc(motion);
  89     glutReshapeFunc(reshape);
  90     glutIdleFunc(display);
  91     return winid;
  92 }