class_name Ball
extends CharacterBody2D

signal notify_enemy
const Y_OFFSET = -10
var speed = 100
var target = Vector2.ZERO
@onready var tile_map: TileMap = get_parent()

func _ready():
	target.y += Y_OFFSET
	var player = get_node("/root/Main/TileMap/Player")
	assert(player)
	player.hit_ball.connect(_on_player_hit_ball)

func _physics_process(delta):
	position = position.move_toward(target, delta * speed)

func _on_player_hit_ball():
	var rand_cell: Vector2i = tile_map.get_random_top_cell()
	tile_map.reset_and_set_target_cell(rand_cell)
	target = tile_map.map_to_local(rand_cell) + Vector2(0, Y_OFFSET)
	notify_enemy.emit()

func aim_to_bottom() -> bool:
	return tile_map.is_in_bottom_area(target)