extends Area2D
class_name ActionArea

const OPACITY = 0.4
const ACTIVATED_COLOR = Color.TURQUOISE
const DEACTIVATED_COLOR = Color.REBECCA_PURPLE

var collision_shape : CollisionShape2D = null
var area_width : float
var area_max_distance : float
var player : Player

var activated : bool = false

func _init(
	_player: Player,
	_area_width : float = 40,
):
	player = _player
	area_width = _area_width

func _ready():
	collision_shape = CollisionShape2D.new()
	collision_shape.shape = CircleShape2D.new()
	collision_shape.shape.radius = area_width
	add_child(collision_shape)

func _process(_delta):
	var target_position = get_global_mouse_position() - player.global_position
	if Vector2.ONE.distance_to(target_position) > player.max_reach:
		target_position = Vector2.ZERO.direction_to(target_position)*player.max_reach

	position = target_position
	queue_redraw()

func _draw():
	draw_circle(
		Vector2.ZERO,
		area_width,
		Color((ACTIVATED_COLOR if activated else DEACTIVATED_COLOR), OPACITY)
	)