added objective, added boss

Levels/Level 4.gd

@@ -1,6 +1,24 @@
 extends Node2D
 
+var gems: int = 4
+
 func _ready() -> void:
 	#$YSort/Player.position = get_viewport_rect().size / 2
 	$YSort/Player.load_hud($HUD)
 	return
+
+
+func _on_TreasureChest_gem_collected() -> void:
+	gems -= 1
+	
+	if gems == 0:
+		$YSort/Items/Door/doorClosed.visible = false
+		$YSort/Items/Door/doorOpened.visible = true
+		$DoorCollision.layers = 5
+
+
+
+func _on_NextArea_area_entered(area: Area2D) -> void:
+	if area.get_parent().name == 'Player':
+		$YSort/Player.position.x = 195
+		$YSort/Player.position.y = -335