1 files changed, 52 insertions, 0 deletions
diff --git a/StarsEx/TrackIR.h b/StarsEx/TrackIR.h
new file mode 100644
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--- /dev/null
+++ b/StarsEx/TrackIR.h
@@ -0,0 +1,52 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    TrackIR head tracker interface class
+*/
+
+#ifndef TrackIR_h
+#define TrackIR_h
+
+#include "Types.h"
+
+// +--------------------------------------------------------------------+
+
+class TrackIR
+{
+public:
+    TrackIR();
+    ~TrackIR();
+
+    DWORD    ExecFrame();
+
+    bool     IsRunning()    const { return running; }
+    double   GetAzimuth()   const { return az; }
+    double   GetElevation() const { return el; }
+
+    double   GetX()         const { return x;  }
+    double   GetY()         const { return y;  }
+    double   GetZ()         const { return z;  }
+
+protected:
+
+    bool     running;
+    DWORD    stale_frames;
+    DWORD    frame_signature;
+
+    double   az;
+    double   el;
+
+    double   x; // vrt
+    double   y; // vup
+    double   z; // vpn (i think)
+};
+
+#endif  // TrackIR_h
+