src/code/kalter/longflight/crypto/Random.java

   1 package code.kalter.longflight.crypto;
   2
   3 /**
   4  * Простой Генератор Псевдослучайных Чисел
   5  *
   6  * @author KalterFive
   7  */
   8 public class Random {
   9
  10     private int next;
  11
  12     public Random(int next) {
  13         this.next = next;
  14     }
  15
  16     public Random() {
  17         this((int) System.currentTimeMillis());
  18     }
  19
  20     public int random() {
  21         next ^= (next << 13);
  22         next ^= (next >>> 17);
  23         next ^= (next << 5);
  24         return Math.abs(next);
  25     }
  26
  27     // random от [0] до [max - 1]
  28     public int random(int max) {
  29         return random() % max;
  30     }
  31 }