public static void Main(String[] args)
{
var n = args.Length > 0 ? Int32.Parse(args [0]) : 10000;
var bodies = new NBodySystem();
var dtdt = new Vector2d(0.01);
Console.WriteLine("{0:f9}", bodies.Energy());
for (var i = 0; i < n; i++)
{
bodies.Advance(ref dtdt);
}
Console.WriteLine("{0:f9}", bodies.Energy());
}
public static void Main(string[] args)
{
var n = new NBodySystem(100);
var numSteps = 10000;
var stepSize = 100;
for (int i = 0; i < numSteps; i += stepSize)
{
Console.WriteLine("Saving step {0}/{1}", i, numSteps);
n.integrateStep(stepSize);
n.SaveImage();
}
}