assets -> game, and no embed for native

game/assets_js.go

@@ -0,0 +1,11 @@
+//go:build js
+// +build js
+
+package game
+
+// TODO: make io/fs wrapper for ebitenutil.OpenFile ?
+
+import "embed"
+
+//go:embed assets
+var Assets embed.FS

game/assets_notjs.go

@@ -0,0 +1,8 @@
+//go:build !js
+// +build !js
+
+package game
+
+import "os"
+
+var Assets = os.DirFS("game/")

main.go

@@ -1,7 +1,6 @@
 package main
 
 import (
-	"embed"
 	"image"
 	"image/color"
 	_ "image/png"
@@ -12,9 +11,6 @@ import (
 	"github.com/hajimehoshi/ebiten/v2"
 )
 
-//go:embed assets
-var assets embed.FS
-
 func main() {
 	ebiten.SetWindowResizable(true)
 	ebiten.SetWindowSize(640, 480)
@@ -111,7 +107,7 @@ func main() {
 		},
 	}
 
-	game := &engine.Game{
+	g := &engine.Game{
 		ScreenHeight: 240,
 		ScreenWidth:  320,
 		Root: &engine.Scene{
@@ -131,12 +127,12 @@ func main() {
 			},
 		},
 	}
-	if err := game.Load(assets); err != nil {
+	if err := g.Load(game.Assets); err != nil {
 		log.Fatalf("Loading error: %v", err)
 	}
-	game.Prepare()
+	g.Prepare()
 
-	if err := ebiten.RunGame(game); err != nil {
+	if err := ebiten.RunGame(g); err != nil {
 		log.Fatalf("Game error: %v", err)
 	}
 }