text: var Contains = function (tileX, tileY, tileZ) {
      var result;
      if (this.infinityMode) {
          result = true;
      } else {
          result = (tileX >= 0) && (tileX < this.width) && (tileY >= 0) && (tileY < this.height);
      }
  
      if (result && (tileZ != null)) {
          result = this.boardData.contains(tileX, tileY, tileZ);
      }
      return result;
  };
  
  export default Contains;