Box2D is a simple physics engine with a broad use.

Box2D是一个简单却用途广泛的物理引擎。

youdao

A simple 2d physics engine. Drag and throw, launch and kick-up.

一个普通的2d物理引擎。拖，投掷，发射和踢起来。

youdao

A simple 2d physics engine. Drag and throw, launch and kick-up.

一个普通的2d物理引擎。拖，投掷，发射和踢起来。

youdao