private static void OutputLeaf(TextWriter writer, LeafNode node, GravityNode rootNode, string prefix1, string prefix2)
{
writer.Write(prefix1);
writer.Write("Mass: ");
writer.Write(node.Mass);
writer.Write("\tCentre of mass: ");
writer.Write(node.CentreOfMass);
writer.Write("\tForce: ");
writer.WriteLine(GravityManager.CalculateTreeForce(node, rootNode));
}
