change from https://godoc.org/github.com/gopherjs/webgl support "syscall/js"
webgl_example.go:
package main
import (
"syscall/js"
"github.com/n2d/webgl"
)
func main() {
var canvas js.Value = js.
Global().
Get("document").
Call("getElementById", "canvas")
canvas.Set("height", 600)
canvas.Set("width", 800)
gl, _ := webgl.NewContext(canvas)
gl.ClearColor(1, 0, 0, 1)
gl.Clear(gl.COLOR_BUFFER_BIT)
}webgl_example.html:
<html><body><script src="webgl_example.js"></script><canvas id='canvas'></canvas></br></body></html>To produce webgl_example.js file, run gopherjs build webgl_example.go.