SoAlarmSensor

/*-------------------------------------------------------------- * Alarm sensor that raises a flag after 10 minutes *------------------------------------------------------------*/ #include <Inventor/Win/SoWin.h> #include <Inventor/Win/viewers/SoWinExaminerViewer.h> #include <Inventor/nodes/SoCone.h> #include <Inventor/nodes/SoSeparator.h> #include <Inventor/nodes/SoTransform.h> #include <Inventor/sensors/SoAlarmSensor.h> /////////////////////////////////////////////////////////// // CODE FOR The Inventor Mentor STARTS HERE static void raiseFlagCallback(void *data, SoSensor *) { // We know data is really a SoTransform node: SoTransform *flagAngleXform = (SoTransform *)data; // Rotate flag by 90 degrees about the Z axis: flagAngleXform->rotation.setValue(SbVec3f(0.0f, 0.0f, 1.0f), (float)(M_PI/2.0f)); } // CODE FOR The Inventor Mentor ENDS HERE /////////////////////////////////////////////////////////// int main(int, char **argv) { HWND myWindow = SoWin::init(argv[0]); // pass the app name if (myWindow == NULL) exit(1); /////////////////////////////////////////////////////////// // CODE FOR The Inventor Mentor STARTS HERE SoTransform *flagXform = new SoTransform; // Create an alarm that will call the flag-raising callback: SoAlarmSensor *myAlarm = new SoAlarmSensor(raiseFlagCallback, flagXform); myAlarm->setTimeFromNow(5.0f); myAlarm->schedule(); // CODE FOR The Inventor Mentor ENDS HERE /////////////////////////////////////////////////////////// SoSeparator *root = new SoSeparator; root->ref(); root->addChild(flagXform); SoCone *myCone = new SoCone; myCone->bottomRadius = 0.1f; root->addChild(myCone); SoWinExaminerViewer *myViewer = new SoWinExaminerViewer(myWindow); // Put our scene in myViewer, change the title myViewer->setSceneGraph(root); myViewer->setTitle("Raise The Cone"); myViewer->show(); SoWin::show(myWindow); // Display main window SoWin::mainLoop(); // Main Inventor event loop return 0; }