Alertbox added.

elements/alert.go

@@ -0,0 +1,49 @@
+package elements
+
+import (
+	"fluids/fonts"
+
+	"github.com/hajimehoshi/ebiten/v2"
+	"github.com/hajimehoshi/ebiten/v2/text/v2"
+)
+
+const (
+	AlertWidth  = 50
+	AlertHeight = 150
+)
+
+type Alert struct {
+	Sprite         *ebiten.Image
+	text           string
+	textfacesource *text.GoTextFaceSource
+}
+
+func NewAlert() *Alert {
+	a := &Alert{
+		Sprite:         ebiten.NewImage(AlertWidth, AlertHeight),
+		textfacesource: fonts.PixelFont,
+	}
+	return a
+}
+
+func (a *Alert) Draw() {
+	a.Sprite.Clear()
+
+	fnt := &text.GoTextFace{
+		Source: a.textfacesource,
+		Size:   20,
+	}
+
+	_, h := text.Measure(a.text, fnt, 0)
+	top := &text.DrawOptions{}
+	top.GeoM.Translate(0, h)
+	text.Draw(a.Sprite, a.text, fnt, top)
+}
+
+func (a *Alert) Update() {
+
+}
+
+func (a *Alert) SetText(t string) {
+	a.text = t
+}