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)); }