Build a simple animation viewer

internal/assetstore/menu.go

@@ -41,18 +41,7 @@ func (m *Menu) Images(objIdx, start, count int) ([]*ebiten.Image, error) {
 }
 
 func (m *Menu) Sprites(objIdx, start, count int) ([]*Sprite, error) {
-	out := make([]*Sprite, count)
-
-	for i := start; i < start+count; i++ {
-		sprite, err := m.Sprite(objIdx, i)
-		if err != nil {
-			return nil, err
-		}
-
-		out[i-start] = sprite
-	}
-
-	return out, nil
+	return m.objects[objIdx].Sprites(start, count)
 }
 
 func (m *Menu) Sprite(objIdx, idx int) (*Sprite, error) {