class_name Snake
extends Node2D

const AXOLOTL = 0
const FISH = 1
var fish_pos
var axolotl_body = [Vector2(5, 5), Vector2(4, 5), Vector2(3, 5)]

@onready var axolotl_texture = $AxolotlTextures

func _ready():
    fish_pos = place_fish()
    draw_fish()
    draw_axolotl()
    #move_ctr()

func place_fish():
    randomize()
    var x = randi() % 20
    var y = randi() % 20
    return Vector2(x, y)

func draw_fish():
    axolotl_texture.set_cell(0, fish_pos, FISH, Vector2(0, 0), 0)

func move_axolotl(move_direction):
    var body_copy = axolotl_body.slice(0, axolotl_body.size() - 2)
    var new_head = body_copy[0] + move_direction
    axolotl_body = body_copy.insert(0, new_head)

func draw_axolotl():
    for block in axolotl_body:
        axolotl_texture.set_cell(0, Vector2(block.x, block.y), AXOLOTL, Vector2(3,0), 0)


func _on_axolotl_tick_timeout():
    move_axolotl(Vector2(1,0))
    draw_fish()
    draw_axolotl()