Refactor to use better interfaces and event callbacks.

assets/imagebank.go

@@ -23,7 +23,8 @@ const (
 	TileSet       ImgAssetName = "TileSet"
 	Altar         ImgAssetName = "Altar"
 	Weapon        ImgAssetName = "Weapon"
-	Worm          ImgAssetName = "Worm"
+	WormDamaged   ImgAssetName = "WormDamaged"
+	Worm          ImgAssetName = "WormDefault"
 )
 
 var (
@@ -51,6 +52,8 @@ var (
 	weapon_img []byte
 	//go:embed worm.png
 	worm_img []byte
+	//go:embed wormdefault.png
+	wormdefault_img []byte
 )
 
 func LoadImages() {
@@ -66,7 +69,8 @@ func LoadImages() {
 	ImageBank[TileSet] = LoadImagesFatal(tileset_img)
 	ImageBank[Altar] = LoadImagesFatal(altar_img)
 	ImageBank[Weapon] = LoadImagesFatal(weapon_img)
-	ImageBank[Worm] = LoadImagesFatal(worm_img)
+	ImageBank[WormDamaged] = LoadImagesFatal(worm_img)
+	ImageBank[Worm] = LoadImagesFatal(wormdefault_img)
 
 }