simple walk/idle script

extends KinematicBody

enum States {IDLE = 1, WALK}
var state = States.WALK
var velocity = Vector3.ZERO
var speed = 55
onready var AnimSprite = $AnimatedSprite3D

func _physics_process(delta):
	if state == States.IDLE:
		idle_loop(delta)
	else:
		state == States.WALK
		walk_loop(delta)

	print(state)


func walk_loop(delta):
			var input_vector = Vector3.ZERO
			input_vector.x = Input.get_action_strength("move_right") - Input.get_action_strength("move_left")
			input_vector.z = Input.get_action_strength("move_up") - Input.get_action_strength("move_down")
			input_vector = input_vector.normalized()


			if input_vector != Vector3.ZERO:
				velocity.x = input_vector.x * speed
				velocity.z = input_vector.z * -speed
				AnimSprite.play("walk")

			velocity = move_and_slide(velocity * speed * delta)
			return velocity.normalized()

func idle_loop(delta):
				AnimSprite.play("idle")
				velocity.x = 0
				velocity.z = 0