multi asset and font

esset.go

@@ -4,13 +4,16 @@ import (
 	"embed"
 	"image"
 	_ "image/png"
+	"io/fs"
 	"log"
 
 	"github.com/hajimehoshi/ebiten/v2"
+	"golang.org/x/image/font"
+	"golang.org/x/image/font/opentype"
 )
 
-func GetSingleAsset(fs embed.FS, name string) *ebiten.Image {
-	file, err := fs.Open(name)
+func GetAsset(efs embed.FS, path string) *ebiten.Image {
+	file, err := efs.Open(path)
 	if err != nil {
 		log.Fatal(err)
 	}
@@ -22,3 +25,40 @@ func GetSingleAsset(fs embed.FS, name string) *ebiten.Image {
 
 	return ebiten.NewImageFromImage(img)
 }
+
+func GetMultiAssets(efs embed.FS, path string) []*ebiten.Image {
+	matches, err := fs.Glob(efs, path)
+	if err != nil {
+		panic(err)
+	}
+
+	images := make([]*ebiten.Image, len(matches))
+	for i, match := range matches {
+		images[i] = GetAsset(efs, match)
+	}
+
+	return images
+}
+
+func GetFont(efs embed.FS, name string) font.Face {
+	f, err := efs.ReadFile(name)
+	if err != nil {
+		panic(err)
+	}
+
+	tt, err := opentype.Parse(f)
+	if err != nil {
+		panic(err)
+	}
+
+	face, err := opentype.NewFace(tt, &opentype.FaceOptions{
+		Size:    48,
+		DPI:     72,
+		Hinting: font.HintingVertical,
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	return face
+}