modularised ball vendor

scenes/ball_vendor_object.gd

@@ -0,0 +1,14 @@
+extends HBoxContainer
+
+@export var _ball_texture: CompressedTexture2D
+@export var _ball_name: String
+@export var _ball_id: int
+
+func _ready():
+	$BuyButton.texture_normal = _ball_texture
+
+func refresh_ball_price(new_price: int):
+	$PriceLabel.text = "%s" % new_price
+
+func _on_buy_button_pressed():
+	SignalBus.on_try_buy_ball.emit(_ball_id)