Method getKey

src/DigitalRainAnimation.hpp:95–101

  }

  std::string getKey(int key_length) {
    resetKey();
    int maxKeyLength = std::min(key_length > 0 ? key_length : numOfline, numOfline);
    for (int i = 0; i < maxKeyLength; ++i)
      keyString += getAbcASCIIChar().c_str();
    return keyString;
  }

  void prepareAnim() {
    if (!_gfx) return;