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+//
+//  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
+//
+//  -------------------------------------------------------------------------
+//
+//  Sparks
+//
+// $Id$
+//
+#ifndef SPARKS_H
+
+#define SPARKS_H
+
+#include "global.h"
+#include <list>
+
+class Sparks
+    {
+    public:
+    	Sparks(int num, GLfloat alpha_dec, GLfloat alpha_min,
+	       int len, GLfloat delta);
+	virtual ~Sparks();
+
+	void add(GLfloat ox, GLfloat oy, GLfloat oz);
+
+	void draw();
+
+	void update();
+
+    private:
+    	struct Point
+	    {
+	    GLfloat	x1,y1,z1;
+	    GLfloat	x2,y2,z2;
+	    GLfloat	dx,dy,dz;
+	    GLfloat	alpha;
+	    int		life;
+	    };
+
+	list<Point>		m_list;
+
+	int			m_num;
+	GLfloat			m_alpha_min;
+	GLfloat			m_alpha_dec;
+	int			m_life;
+	int			m_len;
+	GLfloat			m_delta;
+    };
+
+#endif
+
+// END OF FILE //