Fixed a crash in the boss fight

buildings/building.gd

@@ -15,10 +15,10 @@ func _ready() -> void:
 	if blocks_area:
 		Grid.buildings.append(self)
 	
-	await get_tree().create_timer(0.2).timeout
+	#await get_tree().create_timer(0.2).timeout
 	if get_node_or_null("ObjectList") != null:
 		var obj_list = $ObjectList
-		obj_list.reparent(get_tree().get_root().get_node("main"), false)
+		obj_list.call_deferred("reparent", get_tree().get_root().get_node("main"), false)
 		await get_tree().create_timer(0.2).timeout
 		var objects_to_be_placed = obj_list.get_children()
 		for object in objects_to_be_placed:

enemies/boss/boss.gd

@@ -102,7 +102,7 @@ func destroy_below():
 
 func wave():
 	# Raise a wave from the water at the boundary of the screen and move it towards the center.
-	var angle = player.position.angle
+	var angle = player.position.angle()
 	var dir = randi_range(0, 1) * 2 - 1
 	var speed = 3000 / water.radius_base
 	water.create_tsunami(angle - speed * dir * TAU/30, dir, speed)

utils/grid_node.gd

@@ -1,18 +1,20 @@
-class_name VineNode extends Node2D
+class_name GridNode extends Node2D
 		
 @export var vine : Vine
 @export var location : Vector2 :
 	set(new_loc):
 		location = Global.vec_mod(new_loc, Grid.num_collumns, true)
-@export var offset : Vector2
+		update_position()
+@export var offset : Vector2 :
+	set(new_offset):
+		offset = new_offset
+		update_position()
 @export var depth : int
 
 func _get(property: StringName) -> Variant:
 	if property == "position":
-		update_position()
 		return position
 	if property == "global_position":
-		update_position()
 		return global_position
 	return null
 

vines_petals/bud.gd

@@ -1,4 +1,4 @@
-class_name Bud extends VineNode
+class_name Bud extends GridNode
 signal opened
 var img_path
 

vines_petals/petal.gd

@@ -1,4 +1,4 @@
-class_name Petal extends VineNode
+class_name Petal extends GridNode
 @export var vine_resource : PackedScene
 var activated = false
 

vines_petals/vine.gd

@@ -59,7 +59,7 @@ func draw_vine(pos1 : Vector2, pos2 : Vector2, depth : int):
 	sprite.z_index = -1
 
 # Grows a sequence of vine segments from grid position 1 to grid position 2, starting at given depth.
-func grow_vine_sequence(start : VineNode, target: VineNode, grow_bud = false, quick_spawn = false):
+func grow_vine_sequence(start : GridNode, target: GridNode, grow_bud = false, quick_spawn = false):
 	var depth = min(start.depth, max_depth)
 	
 	# Calculate the number and length of segments from the distance of source and target
@@ -152,7 +152,7 @@ func _enter_tree() -> void:
 
 func random_vine_node_at(location):
 	var offset = random_offset()
-	return VineNode.new(self, location, offset)
+	return GridNode.new(self, location, offset)
 
 func init_random():
 	Grid.add_vine_to(self, petal.location)