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Add grMoonpos.h grMoonpos.cpp forgot in last commit

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git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@4793 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 54bac732a0989966cde7deeb1a03fb2156bb297f
Former-commit-id: d4f8e35ac461696c38868724604b71ac674476e2
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torcs-ng 2012-07-08 18:15:36 +00:00
parent 8d6f045391
commit d16f287f2a
2 changed files with 82 additions and 0 deletions
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59
src/modules/graphic/ssggraph/grMoonpos.cpp Normal file
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/***************************************************************************
file : grMoonpos.cpp
copyright : (C) 2012 by Xavier Bertaux (based on simgear code)
web : http://www.speed-dreams.org
version : $Id: grSphere.h 3162 2012-07-05 13:11:22Z torcs-ng $
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include <ctime>
// Position of the Moon first month 2012
static const double MoonPositionDay[31] = { 40020, 41400, 42960, 44760, 46980, 49680, 52860, 56520, 60600, 64860, 69300, 73740,
78240, 82800, 0, 960, 5580, 10080, 14400, 18180, 21360, 23940, 26040, 27780, 29220,
30540, 31800, 33060, 34380, 35880, 37560 };
double grUpdateMoonPos(double timeOfDay)
{
double moonpos, actual = 0;
time_t Time;
struct tm *Date;
time(&Time);
Date = localtime(&Time);
int hour = Date->tm_hour;
int minute = Date->tm_min;
int day = Date->tm_mday;
int month = Date->tm_mon +1;
int year = Date->tm_year + 1900;
year = (2012 - year) +1;
double diff = 420 * month * year;
if (diff > 86340)
diff = diff - 86340;
actual = (hour*3600)+(minute*60);
moonpos = (MoonPositionDay[day+1] - diff);
if (actual > moonpos)
moonpos = actual - moonpos;
else
moonpos = moonpos - actual;
return moonpos;
}

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src/modules/graphic/ssggraph/grMoonpos.h Normal file
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/***************************************************************************
file : grMoonpos.h
copyright : (C) 2012 by Xavier Bertaux (based on simgear code)
web : http://www.speed-dreams.org
version : $Id: grSphere.h 3162 2012-07-05 13:11:22Z torcs-ng $
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
double grUpdateMoonPos(double timeOfDay);