Golang port of Box2d Lite, originally written in C++.
go get github.com/neguse/go-box2d-lite/box2dlite
import "github.com/neguse/go-box2d-lite/box2dlite"
also see Examples
see LICENSE
If you're looking for a 2D physics library for Go, check out these repositories: https://github.com/ByteArena/box2d, https://github.com/vova616/chipmunk, and https://github.com/neguse/gox2d.