extends Node2D

var NavTarget

func _ready():
	NavTarget = get_node("NavTarget")

func draw_nav_target_box():
	var rect = Rect2 (NavTarget.GridCoords * Globals.GRID_SIZE, Vector2(Globals.GRID_SIZE, Globals.GRID_SIZE))
	draw_rect (rect, "#99000044", true)

func _process(_delta):
	update()

func _draw():
	var offset = -Vector2(Globals.WIDTH, Globals.HEIGHT) * 0.5
	draw_nav_target_box()
	
	draw_set_transform(offset, 0, Vector2.ONE)

	# outer bounds
	draw_line(Vector2(0,0), Vector2(Globals.WIDTH, 0), Globals.GRID_COLOR)
	draw_line(Vector2(0,Globals.HEIGHT), Vector2(Globals.WIDTH, Globals.HEIGHT), Globals.GRID_COLOR)
	
	draw_line(Vector2(0,0), Vector2(0, Globals.HEIGHT), Globals.GRID_COLOR)
	draw_line(Vector2(Globals.WIDTH,0), Vector2(Globals.WIDTH, Globals.HEIGHT), Globals.GRID_COLOR)

	# inner lines
	var columns = floor (Globals.WIDTH / Globals.GRID_SIZE)
	var rows = floor (Globals.HEIGHT / Globals.GRID_SIZE)
	
	for x in range (columns):
		draw_line (Vector2(x * Globals.GRID_SIZE, 0), Vector2(x * Globals.GRID_SIZE, Globals.HEIGHT), Globals.GRID_COLOR)
	
	for y in range (rows):
		draw_line (Vector2(0, y * Globals.GRID_SIZE), Vector2(Globals.WIDTH, y * Globals.GRID_SIZE), Globals.GRID_COLOR)

	draw_line(Vector2(0, Globals.HEIGHT * 0.5), Vector2(Globals.WIDTH, Globals.HEIGHT * 0.5), "#aa0000", 3)
	draw_line(Vector2(Globals.WIDTH * 0.5, 0), Vector2(Globals.WIDTH * 0.5, Globals.HEIGHT), "#00aa00", 3)