Next, create your dynamic body, which has a position, initial linear velocity, and angle.
接下来，创建动态物体，它具有方位、初始线速度和角度。
youdao
An effective arm position can be achieved by a downward entry Angle.
有效的入水方式能靠向下的入水角度来获得。
应用推荐
模块上移
模块下移
不移动