/// <summary>
/// This method is used to move ship/
/// </summary>
/// <param name="s"></param>
private static void moveShip(Ship s)
{
//calls the method shipFuntion from world class.
s.shipFunctions();
//sets gravity to 0,0.
Vector2D g = new Vector2D(0, 0);
//calculate g.
g = star.getStarLoc() - s.getShipLoc();
g.Normalize();
//gets the mass of the star from xml file.
g = g * star.getStarMass();
Vector2D a = new Vector2D(0, 0);
//the ship is thrusting.
if (s.getShipThrust())
{
Vector2D t = new Vector2D(s.getShipDir());
//calculate the thrust and apply to gravity.
t = t * 0.08;
a = g + t;
}
else
{
//else acceleration is equal to gravity.
a = g;
}
//set thr ships velocity and location.
s.setShipVelocity(s.getShipVelocity() + a);
s.setShipLoc(s.getShipLoc() + s.getShipVelocity());
}
