public boolean[][] getShape() {
    boolean[][] arrayOfBoolean = new boolean[this.shape.length][this.shape[0].length];
    for (int i = 0; i < this.shape.length; i++)
      for (int j = 0; j < this.shape[0].length; j++)
        if (this.shape[i][j] != null)
          arrayOfBoolean[i][j] = true;
    return arrayOfBoolean;
  }