1 files changed, 39 insertions, 0 deletions
diff --git a/debian/fireflies/fireflies-2.08/libgfx/include/gfx/trackball.h b/debian/fireflies/fireflies-2.08/libgfx/include/gfx/trackball.h
new file mode 100644
index 00000000..1432ed71
--- /dev/null
+++ b/debian/fireflies/fireflies-2.08/libgfx/include/gfx/trackball.h
@@ -0,0 +1,39 @@
+#ifndef GFXTRACKBALL_INCLUDED // -*- C++ -*-
+#define GFXTRACKBALL_INCLUDED
+#if !defined(__GNUC__)
+#  pragma once
+#endif
+
+/************************************************************************
+
+  Virtual trackball rotation control.
+  
+  $Id: trackball.h 427 2004-09-27 04:45:31Z garland $
+
+ ************************************************************************/
+
+#include "baseball.h"
+
+namespace gfx
+{
+
+extern void trackball(Quat& q, float p1x, float p1y, float p2x, float p2y);
+
+class Trackball : public Baseball
+{
+public:
+    Quat lastquat;
+
+public:
+    Trackball();
+
+    virtual void update_animation();
+    virtual bool mouse_down(int *where, int which);
+    virtual bool mouse_up(int *where, int which);
+    virtual bool mouse_drag(int *where, int *last, int which);
+};
+
+} // namespace gfx
+
+// GFXTRACKBALL_INCLUDED
+#endif