improved docs

core/RenderInfo.go

@@ -8,6 +8,7 @@ import (
 	"github.com/g3n/engine/math32"
 )
 
+// RenderInfo is passed into Render/RenderSetup calls
 type RenderInfo struct {
 	ViewMatrix math32.Matrix4 // Current camera view matrix
 	ProjMatrix math32.Matrix4 // Current camera projection matrix

tools/g3nicodes/main.go

@@ -19,6 +19,7 @@ var (
 	oPackage = flag.String("pkg", "icon", "Package name")
 )
 
+// Program name and version
 const (
 	PROGNAME = "g3nicodes"
 	VMAJOR   = 0