The_Dark_Side_of_Earth/utils/earth_aligner.gd

extends Node2D

var parent : Node2D
@export var center = Vector2.ZERO
var angle = 0
var up : Vector2 :
	get():
		return global_from_local(Vector2.UP)
var down : Vector2 :
	get():
		return global_from_local(Vector2.DOWN)
var right : Vector2 :
	get():
		return global_from_local(Vector2.RIGHT)
var left : Vector2 :
	get():
		return global_from_local(Vector2.LEFT)

func _ready() -> void:
	parent = get_parent()
	align()

func _process(_delta: float) -> void:
	align()
	
func align():
	angle = -(parent.position - center).angle_to(Vector2.UP)
	parent.rotation = angle;

func global_from_local (_velocity: Vector2) -> Vector2:
	return _velocity.rotated(angle)
	
func local_from_global (_velocity: Vector2) -> Vector2:
	return _velocity.rotated(-angle)