add go-glmatrix in opengl section
@@ -1380,6 +1380,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
* [gl](https://github.com/go-gl/gl) - Go bindings for OpenGL (generated via glow).
* [glfw](https://github.com/go-gl/glfw) - Go bindings for GLFW 3.
+* [go-glmatrix](https://githumb.com/technohippy/go-glmatrix) - Go port of [glMatrix](http://glmatrix.net/) library.
* [goxjs/gl](https://github.com/goxjs/gl) - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
* [goxjs/glfw](https://github.com/goxjs/glfw) - Go cross-platform glfw library for creating an OpenGL context and receiving events.
* [mathgl](https://github.com/go-gl/mathgl) - Pure Go math package specialized for 3D math, with inspiration from GLM.
