Method UNSAFE_componentWillReceiveProps

src/GameLoop.js:29–34

(nextProps)

  }

  UNSAFE_componentWillReceiveProps(nextProps) {
    if (nextProps.running !== this.props.running) {
      if (nextProps.running) this.start();
      else this.stop();
    }
  }

  start = () => {
    this.touches.length = 0;