Then you track that point relative to the controller, calculating its velocity as it changes position.

然后，相对与控制器跟踪该点，通过改变位置来计算其速度。

youdao

Then you track that point relative to the controller, calculating its velocity as it changes position.

然后，相对与控制器跟踪该点，通过改变位置来计算其速度。

youdao