New textured moon and rewritten/restructured Astro code contributed by Durk

Talsma.
2009-09-15 18:31:31 +02:00
parent 38631c9eb3
commit 001a2c89e7
33 changed files with 2142 additions and 1524 deletions
@@ -0,0 +1,60 @@
+/**************************************************************************
+ * jupiter.cxx
+ * Written by Durk Talsma. Originally started October 1997, for distribution  
+ * with the FlightGear project. Version 2 was written in August and 
+ * September 1998. This code is based upon algorithms and data kindly 
+ * provided by Mr. Paul Schlyter. (pausch@saaf.se). 
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id$
+ * (Log is kept at end of this file)
+ **************************************************************************/
+
+#include "jupiter.hxx"
+
+/*************************************************************************
+ * Jupiter::Jupiter(fgTIME *t)
+ * Public constructor for class Jupiter
+ * Argument: The current time.
+ * the hard coded orbital elements for Jupiter are passed to 
+ * CelestialBody::CelestialBody();
+ ************************************************************************/
+Jupiter::Jupiter(fgTIME *t) :
+  CelestialBody(100.4542,  2.7685400E-5,	
+		1.3030,   -1.557E-7,
+		273.8777,  1.6450500E-5,
+		5.2025600, 0.000000,
+		0.048498,  4.469E-9,
+		19.89500,  0.08308530010, t)
+{
+}
+
+/*************************************************************************
+ * void Jupiter::updatePosition(fgTIME *t, Star *ourSun)
+ * 
+ * calculates the current position of Jupiter, by calling the base class,
+ * CelestialBody::updatePosition(); The current magnitude is calculated using 
+ * a Jupiter specific equation
+ *************************************************************************/
+void Jupiter::updatePosition(fgTIME *t, Star *ourSun)
+{
+  CelestialBody::updatePosition(t, ourSun);
+  magnitude = -9.25 + 5*log10( r*R ) + 0.014 * FV;
+}
+
+
+
+