private float spiral_rad(Node n, int i) { return app.getStandardNodeDistance() / 2f + (float) Math.sqrt(app.getClusterRad() * i + n.getSize()) * 10f; }
private float spiral_angle(Node n, int i) { return (float) Math.sqrt(app.getClusterRad() * i + n.getSize()) * 75f; }