Method Setup

demos/text/text.go:37–79

Setup is called before the main loop is started

(u engo.Updater)

// Setup is called before the main loop is started
func (*DefaultScene) Setup(u engo.Updater) {
	w, _ := u.(*ecs.World)

	common.SetBackground(color.White)
	w.AddSystem(&common.RenderSystem{})

	// Adding KeyboardScroller so we can actually see the difference between the HUD and non-HUD text
	w.AddSystem(common.NewKeyboardScroller(scrollSpeed, engo.DefaultHorizontalAxis, engo.DefaultVerticalAxis))
	w.AddSystem(&common.MouseZoomer{zoomSpeed})

	fnt := &common.Font{
		URL:  "Roboto-Regular.ttf",
		FG:   color.Black,
		Size: 64,
	}
	err := fnt.CreatePreloaded()
	if err != nil {
		panic(err)
	}

	label1 := MyLabel{BasicEntity: ecs.NewBasic()}
	label1.RenderComponent.Drawable = common.Text{
		Font: fnt,
		Text: "Hello world !",
	}
	label1.SetShader(common.HUDShader)

	label2 := MyLabel{BasicEntity: ecs.NewBasic()}
	label2.RenderComponent.Drawable = common.Text{
		Font:          fnt,
		Text:          "This may also be text\nwhich includes a newline. ",
		LineSpacing:   0.5,
		LetterSpacing: 0.15,
	}

	for _, system := range w.Systems() {
		switch sys := system.(type) {
		case *common.RenderSystem:
			sys.Add(&label1.BasicEntity, &label1.RenderComponent, &label1.SpaceComponent)
			sys.Add(&label2.BasicEntity, &label2.RenderComponent, &label2.SpaceComponent)
		}
	}
}

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