Player Script for top down movement

extends KinematicBody2D

var speed = 160
var bullet = preload("res://Bullet.tscn")
var can_fire = true
var shooting = false
var rate_of_fire = 0.08
var move_target = Vector2(-670,-647)
var shoot_target = Vector2()
var velocity = Vector2()

func _input(event):
    if Input.is_action_pressed("move_to"):
        move_target = get_global_mouse_position()
        look_at(move_target)
    if Input.is_action_pressed("fire"):
        shoot_target = get_global_mouse_position()

func _physics_process(delta):
    MoveLoop()
    ShootLoop()

func MoveLoop():
    velocity = position.direction_to(move_target) * speed
    if position.distance_to(move_target) > 1:
        velocity = move_and_slide(velocity)

func ShootLoop():
    if Input.is_action_pressed("fire") and can_fire == true:
        can_fire = false
        shooting = true
        speed = 75
        look_at(shoot_target)
        get_node("playerTurnAxis").rotation = get_angle_to(get_global_mouse_position())
        var bullet_instance = bullet.instance()
        bullet_instance.position = get_node("playerTurnAxis/bulletSpawnPoint").get_global_position()
        bullet_instance.look_at(get_global_mouse_position())
        get_parent().add_child(bullet_instance)
        yield(get_tree().create_timer(rate_of_fire), "timeout")
        can_fire = true
        shooting = false
        speed = 160