Godot ПОМОГИТЕ с движением

враг не прописывается:
extends CharacterBody2D


var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")

var chase = false
var speed = 100


func _physics_process(delta):
var player = get_node("/root/Node2D/Player")
var direction = (player.position - self.position).normalized()
if chase == true:
velocity.x = direction.x * speed
move_and_slide()

func _on_detector_body_entered(body):
if body.name == "player":
chase = true