add falling block

objects/environment/barrier/barrier.gd

@@ -0,0 +1,31 @@
+extends Node2D
+
+export var cost = 0
+export var label_offset = Vector2.ZERO
+onready var label = $Label
+onready var sprite = $Sprite
+onready var hitbox = $StaticBody2D/CollisionShape2D
+var open = false
+
+func _ready():
+	#Tile sprite
+	if scale.y != 1:
+		sprite.set_region_rect(Rect2(0,0,4,scale.y))
+		hitbox.scale.y = scale.y
+		hitbox.position.y += scale.y / 2 - 1
+		scale.y = 1
+	#Label
+	label.visible = true
+	label.set_text(str(cost))
+	label.rect_position.y = scale.y / 2
+	
+func _physics_process(delta):
+	#Open
+	if Game.golds >= cost: open = true
+	if open == true:
+		sprite.region_rect.size.y -= 1
+		if sprite.region_rect.size.y < 1: queue_free()
+	
+func _on_AnimationPlayer_animation_finished(anim_name):
+	if anim_name == "open":
+		queue_free()