score label vfx; increase building collider size

player/score_label.gd

@@ -1,12 +1,35 @@
-extends Label
+extends Control
 
+const DESIRED_SCALE := Vector2.ONE * .5
+
+@onready var label: Label = get_child(0)
+var tween: Tween
+var _display_score := 0
 var score := 0:
 	set(v):
+		var delta = abs(v - score)
 		score = v
-		text = "Score: %d" % v
+
+		if label != null:
+			if tween != null: tween.stop()
+			tween = create_tween()
+			tween.tween_method((func(n):
+				_display_score = n
+				label.text = str(n)
+			), _display_score, score, .25)
+
+			scale += Vector2.ONE * pow(delta, 1.25) / 400
+
+func exp_lerp(a: Variant, b: Variant, decay: float, dt: float) -> Variant:
+	return lerp(a, b, 1 - exp(-decay * dt))
 
 func _ready() -> void:
+	scale = DESIRED_SCALE
 	score = score
-	SignalBus.building_destroyed.connect(func(_building):
-		score += 10
+	SignalBus.building_destroyed.connect(func(_building, increment):
+		score += increment
 	)
+
+func _process(delta: float) -> void:
+	pass
+	scale = exp_lerp(scale, DESIRED_SCALE, 05, delta)