class_name Coordinates

static func as_string(coord: Vector2, include_subcoord: bool = false) -> String:
	var x = floor(coord.x)
	var y = floor(coord.y)
	var sector_name = to_letter(int(x))
	if y < 0:
		sector_name += to_letter(int(y))
	else:
		sector_name += str(int(y))
	if include_subcoord:
		var x_sub = floor((coord.x - x) * 100)
		var y_sub = floor((coord.y - y) * 100)
		sector_name += "." + str(int(x_sub)).pad_zeros(2) + "/" + str(int(y_sub)).pad_zeros(2)
	return sector_name

static func to_letter(num: int) -> String:
	#var letters = "ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ"
	var letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	if num == 0:
		return "Α"
	elif num < 0:
		letters = "αβγδεζηθικλμνξοπρστυφχψω"
	if num < 0:
		num = -num
	var out = ""
	var base = letters.length()
	while num > 0:
		out = letters.substr(num % base, 1) + out
		num /= base
	return out