MessingWithPixels/Test.java at master · drohrbaugh9/MessingWithPixels · GitHub

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public class Test {
  public static void main(String[] args) {
    boolean[] start = {true, true, true, false, false};
    boolean[] end = {false, false, true, true, true};
    boolean[] change = new boolean[start.length];
    boolean[] middle = start;

    for (int i = 0; i < start.length; i++) {
      change[i] = !(start[i] && end[i]);
      //System.out.println(change[i]);
    }

    while(!ArrayEqual(middle, end)) {
      for (int i = 0; i < middle.length; i++) {
        if (i == 0 && change[i] && middle[i] != middle[i + 1]) switcheroo(middle, i);
        else if (i == (middle.length - 1) && change[i] && middle[i] != middle[i - 1]) switcheroo(middle, i);
        else if (change[i] && (middle[i] != middle[i + 1] || middle[i] != middle[i - 1])) switcheroo(middle, i);
        System.out.println(Arrays.toString(middle));
      }
    }
  }

  public boolean ArrayEqual(boolean[] a, boolean[] b) {
    if (a.length != b.length) return false;
    for (int i = 0; i < a.length; i++) {
      if (a[i] != b[i]) return false;
    }
    return true;
  }

  public void switcheroo(boolean[] a, int i) {
    if (a[i]) {
      a[i] = false;
      return;
    } else if (!a[i]) {
      a[i] = true;
    }
  }
}