ball now more consistently collides with arbitrary objects and bounces off them appropriately

blocks/block.gd

@@ -0,0 +1,19 @@
+extends Sprite2D
+class_name Block
+
+@export var health: int = 1
+
+func _ready():
+	_update_text()
+
+func _update_text():
+	$Label.text = "%s" % health
+
+func take_damage(damage):
+	health -= damage
+	_update_text()
+	if health < 0:
+		die()
+
+func die():
+	self.queue_free()