From 99778e9b85bd4a16a9055587a273446068577100 Mon Sep 17 00:00:00 2001
From: Ian C <ianc@noddybox.co.uk>
Date: Tue, 2 May 2006 19:12:46 +0000
Subject: This commit was generated by cvs2svn to compensate for changes in r2,
 which included commits to RCS files with non-trunk default branches.

---
 matrix.h | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 matrix.h

(limited to 'matrix.h')

diff --git a/matrix.h b/matrix.h
new file mode 100644
index 0000000..d1f5db2
--- /dev/null
+++ b/matrix.h
@@ -0,0 +1,81 @@
+//
+//  glgrav - OpenGL N-Body gravity simulator
+//
+//  Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
+//
+//  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
+//
+//  -------------------------------------------------------------------------
+//
+//  Matrix/vector handling
+//
+// $Id$
+//
+#ifndef MATRIX_H
+
+#define MATRIX_H
+
+#include "global.h"
+
+template <class Ty> class Matrix
+    {
+    public:
+    	Matrix()
+	{
+	    int a,b;
+
+	    for(a=0;a<3;a++)
+		for(b=0;b<3;b++)
+		    mat[a][b]=0;
+	}
+
+	~Matrix()
+	{
+	}
+
+	void identity()
+	{
+	    int a,b;
+
+	    for(a=0;a<3;a++)
+		for(b=0;b<3;b++)
+		    mat[a][b]=(a==b) ? 1:0;
+	}
+
+	void set(Ty x, Ty y, Ty z)
+	{
+	    identity();
+	    mat[0][0]=x;
+	    mat[1][1]=y;
+	    mat[2][2]=z;
+	    mat[3][3]=1;
+	}
+
+	void get(Ty& x, Ty& y, Ty& z)
+	{
+	    x=mat[0][0];
+	    y=mat[1][1];
+	    z=mat[2][2];
+	}
+
+	Matrix& operator*(Matrix<Ty>& m);
+
+    private:
+	Ty	mat[4][4];
+    };
+
+#endif
+
+// END OF FILE //
-- 
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