Method constructor

snake-dqn/replay_memory.js:27–40

* Constructor of ReplayMemory. * * @param {number} maxLen Maximal buffer length.

(maxLen)

   * @param {number} maxLen Maximal buffer length.
   */
  constructor(maxLen) {
    this.maxLen = maxLen;
    this.buffer = [];
    for (let i = 0; i < maxLen; ++i) {
      this.buffer.push(null);
    }
    this.index = 0;
    this.length = 0;

    this.bufferIndices_ = [];
    for (let i = 0; i < maxLen; ++i) {
      this.bufferIndices_.push(i);
    }
  }

  /**
   * Append an item to the replay buffer.