// check if it's time to eat
private static void eat() {
double[] posShark = shark.getPosition();
double[] posSalmon = new double[2];
double dist;
for (int i = salmons.size() - 1; i >= 0; i--) {
posSalmon = salmons.get(i).getPosition();
dist =
Math.sqrt(
Math.pow(posShark[0] - posSalmon[0], 2) + Math.pow(posShark[1] - posSalmon[1], 2));
if (dist < shark.getRange()) {
salmons.remove(i);
shark.eat();
}
}
}
// move all salmons and the shark
private static void nextHour() {
for (int i = 0; i < salmons.size(); i++) {
salmons.get(i).move();
}
shark.move();
time++;
}
