luojigou_battle/lib/utils/utils.dart

import 'dart:math';

List<int> generateIntList() {
  List<int> list = List.generate(6, (i) => i);

  var random = Random.secure();
  for (int i = 0; i < 3; i++) {
    int i = random.nextInt(list.length);
    int j = random.nextInt(list.length);

    int temp = list[i];
    list[i] = list[j];
    list[j] = temp;
  }

  return list;
}

int generateExtraTime(int min, int max) {
  var random = Random.secure();
  return random.nextInt(max - min) + min;
}

(bool, int, int) checkNeedSwap() {
  var random = Random.secure();

  bool swap = random.nextInt(10) >= 8;
  int a = random.nextInt(6);
  int b = random.nextInt(6);

  return (swap, a, b);
}