extends Camera2D

onready var player = get_tree().get_nodes_in_group("player").front()
onready var last_sector = Game.get_sector(player.global_position + Vector2(0.0, -5.0))
#Scroll direction
export var scroll_h = true
export var scroll_v = false
export var respawn_h = true

func _ready():
	set_as_toplevel(true)
	Game.current_sector = last_sector

func _process(delta):
	# use pop_front() instead of [0] so that will not crash without player
	if not is_instance_valid(player):
		player = get_tree().get_nodes_in_group("player").pop_front()
	else:
		var current_sector = Game.get_sector(player.global_position + Vector2(0.0, 1.0))
		if scroll_h && current_sector.x != last_sector.x:
			position.x = current_sector.x * Game.RESOLUTION.x
			if respawn_h:
				var offset = Vector2(8.0 * sign(current_sector.x - last_sector.x), 0.0)
				Game.respawn_point = player.global_position
			last_sector.x = current_sector.x
		if scroll_v && current_sector.y != last_sector.y:
			position.y = current_sector.y * Game.RESOLUTION.y
			last_sector.y = current_sector.y
		Game.current_sector = last_sector