Extensive work on animations and partially functional level keys, new UI gears but needs rounding error correction. Particle preloader added.

scripts/level_keys_display.gd

@@ -0,0 +1,19 @@
+extends Control
+
+var keys_slots : Array = []
+
+func _ready() -> void:
+	for slot : LevelKeysSlot in $KeyIcons.get_children():
+		slot.reset()
+		keys_slots.append(slot)
+	
+func update() -> void:
+	if Game.level == null:
+		return
+	#keys = Game.level.keys
+	#for i in range(len(keys_slots)):
+		#if i < len(keys):
+			#keys_slots[i].set(keys[i])
+		#else:
+			#keys_slots[i].visible = false
+	pass