public static void loadPlanets(string fileString, Map map)
{
//Loading just the first one in the file.
int index1 = 0, index2 = 0;
//Console.WriteLine("Loading Map:");
if (((index1 = fileString.IndexOf("<Planet")) > -1) && ((index2 = fileString.IndexOf(">")) > -1) && fileString.Contains("</Planet>"))
{
string propriety = fileString.Substring(index1, index2 - index1 + 1);
fileString = fileString.Remove(index1, index2 - index1 + 1);
fileString = fileString.Remove(fileString.IndexOf("</Planet>"));
Planet p = loadPlanetPropriety(propriety);
map.getGravityObjects().Add(p);
p.loadMoons(fileString, map);
}
}
private void setUpMoons(int spriteId, int number, int radius, int d, int mass, Map map)
{
double angle, sin, cos;
int distance = this.radius + radius + d;
double x, y;
for (int i = 0; i < number; i++)
{
angle = 360/number * i;
sin = Math.Sin(angle);
cos = Math.Cos(angle);
x = cos*distance + this.x;
y = -1 * sin + this.y;
map.getGravityObjects().Add(new Moon(angle,spriteId, (float)x, (float)y, radius, mass, false));
}
//Getting the system acceleration to the moons
Moon moon = (Moon) map.getGravityObjects().Last();
moon.calculateGravity();
double moonSpeed = Math.Sqrt(Math.Pow(moon.speedX,2) + Math.Pow(moon.speedY,2));
moonSpeed = Math.Sqrt(mass*moonSpeed*distance);
int sizeList = map.getGravityObjects().Capacity;
for (int i = sizeList - number; i < sizeList; i++)
{
Moon m = (Moon) map.getGravityObjects().ElementAt(i);
m.speedX = (float) (Math.Cos(m.angle) * moonSpeed);
m.speedX = (float) (Math.Sin(m.angle) * moonSpeed);
}
}