Engo Font Issue test

fontIssue.go

package main

import (
	"image/color"
	"log"

	"engo.io/ecs"
	"engo.io/engo"
	"engo.io/engo/common"
)

var (
	osSemiB22pt *common.Font
	robotoR22pt *common.Font
)

type MyLabel struct {
	ecs.BasicEntity
	common.RenderComponent
	common.SpaceComponent
}

type DefaultScene struct{}

func (*DefaultScene) Preload() {
	err := engo.Files.Load("Oswald-SemiBold.ttf", "Roboto-Regular.ttf")
	if err != nil {
		log.Println(err)
	}
}

func (*DefaultScene) Setup(w *ecs.World) {
	common.SetBackground(color.White)

	w.AddSystem(&common.RenderSystem{})

	//Oswald-SemiBold font 22 pt Setup
	osSemiB22pt = &common.Font{
		URL:  "Oswald-SemiBold.ttf",
		FG:   color.Black,
		Size: 22,
	}
	err := osSemiB22pt.CreatePreloaded()
	if err != nil {
		panic(err)
	}

	//Label
	oswLabel := MyLabel{BasicEntity: ecs.NewBasic()}
	oswLabel.RenderComponent.Drawable = common.Text{
		Font: osSemiB22pt,
		Text: "Oswald",
	}
	oswLabel.Position.Set(50, 100)

	// Add it to appropriate systems
	for _, system := range w.Systems() {
		switch sys := system.(type) {
		case *common.RenderSystem:
			sys.Add(&oswLabel.BasicEntity, &oswLabel.RenderComponent, &oswLabel.SpaceComponent)
		}
	}

	//Oswald-SemiBold font 22 pt Setup
	robotoR22pt = &common.Font{
		URL:  "Roboto-Regular.ttf",
		FG:   color.Black,
		Size: 22,
	}
	err = robotoR22pt.CreatePreloaded()
	if err != nil {
		panic(err)
	}

	//Label
	robLabel := MyLabel{BasicEntity: ecs.NewBasic()}
	robLabel.RenderComponent.Drawable = common.Text{
		Font: robotoR22pt,
		Text: "Roboto",
	}
	robLabel.Position.Set(50, 200)

	// Add it to appropriate systems
	for _, system := range w.Systems() {
		switch sys := system.(type) {
		case *common.RenderSystem:
			sys.Add(&robLabel.BasicEntity, &robLabel.RenderComponent, &robLabel.SpaceComponent)
		}
	}
}

func (*DefaultScene) Type() string { return "GameWorld" }

func main() {
	opts := engo.RunOptions{
		Title:  "Font Issue",
		Width:  480,
		Height: 320,
	}
	engo.Run(opts, &DefaultScene{})
}