private static double calculateDistance(Planet first, Planet second) {
double a = (first.getX() - second.getX());
double b = (first.getY() - second.getY());
double c = Math.pow(a, 2) + Math.pow(b, 2);
// Pythagorean theorem, a² + b² = c² ..
return Math.sqrt(c);
}
public static void calculateMean(Planet first, Planet second) {
meanX = (first.getX() + second.getX()) / 2;
meanY = (first.getY() + second.getY()) / 2;
}
