tool
extends Node2D

class_name Map

var ship_direction = 0
var ship_speed = 1000

var current_ship_direction = 0
var current_ship_speed = 0

const SPEED_EASE = 0.5
const DIRECTION_EASE = 0.5
const EPSILON = 0.01

export(NodePath) var tilemap_path
onready var tilemap = get_node(tilemap_path) as MapTiles

export var unlit = false setget set_unlit
onready var darkness = $darkness

func _ready():
	set_unlit(false)
	if not Engine.editor_hint:
		$editorDarkness.queue_free()

func set_unlit(val):
	unlit = val
	if darkness:
		darkness.visible = not val

func _process(delta):
	if Engine.editor_hint:
		return

	if abs(ship_direction - current_ship_direction) < EPSILON:
		current_ship_direction = ship_direction
	else:
		current_ship_direction = lerp(current_ship_direction, ship_direction, delta * DIRECTION_EASE)
	if abs(ship_speed - current_ship_speed) < EPSILON:
		current_ship_speed = ship_speed
	else:
		current_ship_speed = lerp(current_ship_speed, ship_speed, delta * SPEED_EASE)
	$deepspace.rotation = current_ship_direction-PI/2
	$deepspace.region_rect.position += Vector2(sin(current_ship_direction), cos(current_ship_direction)) * current_ship_speed * delta