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+//=============================================================================
+//
+// Glagen : a planet sized landscape generator
+// Copyright (C) 2002 Julien Guertault, Hugues Hiegel, Meng-Tih Lam
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+//=============================================================================
+//
+// Glagen : GPL LAndscape GENerator
+//
+// frame.hh for Glagen : made by Zavie (Julien Guertault)
+//
+// www.glagen.org
+//
+//=============================================================================
+
+#ifndef FRAME_HH_
+# define FRAME_HH_
+
+#include "matrix3d.hh"
+#include "vector.hh"
+
+class Frame
+{
+public:
+ // Constructors and destructor
+ Frame ();
+ Frame (float origin[3]);
+ Frame (float origin[3], class Vector basis[3]);
+ ~Frame();
+
+ // Reading
+ float Origin_X () const;
+ float Origin_Y () const;
+ float Origin_Z () const;
+ class Vector Basis_X () const;
+ class Vector Basis_Y () const;
+ class Vector Basis_Z () const;
+
+ class Vector View ();
+ Matrix44 GetMatrix ();
+ Matrix44 GetCamMatrix ();
+
+ // Writing
+ void Reset_origin ();
+ void Reset_basis ();
+ void Set_origin (const float origin[3]);
+ void Translate (const class Vector);
+ void Rotate (const float, const class Vector);
+
+protected:
+ float _origin[3];
+ class Vector _basis[3];
+};
+
+#endif // FRAME_HH_