P_CaveTracker.C Source File

00001 /***************************************************************************
00002  *cr                                                                       
00003  *cr            (C) Copyright 1995-2019 The Board of Trustees of the           
00004  *cr                        University of Illinois                       
00005  *cr                         All Rights Reserved                        
00006  *cr                                                                   
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  * RCS INFORMATION:
00011  *
00012  *      $RCSfile: P_CaveTracker.C,v $
00013  *      $Author: johns $        $Locker:  $             $State: Exp $
00014  *      $Revision: 1.19 $       $Date: 2019/01/17 21:21:00 $
00015  *
00016  ***************************************************************************
00017  * DESCRIPTION:
00018  * This is Paul's new Tracker code -- pgrayson@ks.uiuc.edu
00019  *
00020  * -dispdev cave
00021  *
00022  ***************************************************************************/
00023 
00024 #include <cave.macros.h>
00025 #include "CaveRoutines.h"
00026 #include "Matrix4.h"
00027 #include "P_Tracker.h"
00028 #include "P_CaveTracker.h"
00029 
00030 void CaveTracker::update() {
00031   CAVEGetSensorPosition(CAVESENSOR(caveTrackerNum),CAVE_NAV_FRAME, pos);
00032   
00033   /* "classical" Euler angles */
00034   float angles[3];
00035   CAVEGetSensorOrientation(CAVESENSOR(caveTrackerNum), CAVE_NAV_FRAME, angles);
00036   orient->identity();
00037   orient->rot(angles[1],'y');
00038   orient->rot(angles[0],'x');
00039   orient->rot(angles[2],'z');
00040   orient->rot(90,'y'); // to face forward (-z)
00041 }
00042 
00043 int CaveTracker::do_start(const SensorConfig *config) {
00044   // Must check that we are actually running in a CAVE here
00045   if (!vmd_cave_is_initialized() || CAVEController == NULL) {
00046      return 0;
00047   }
00048 
00049   if (!config->require_cave_name()) return 0;
00050   if (!config->have_one_sensor()) return 0;
00051   int num = (*config->getsensors())[0];
00052   caveTrackerNum = num+1;
00053   return 1;
00054 }
00055  
00056