simple_enemy_script_back_up

extends KinematicBody

var move_speed = 2
var attack_range = .1
var stopping_distance = 2
export (int) var health := 30
var foo : int = 5
var knockback = knockback(foo)

var target_player
onready var anim_player = $AnimatedSprite3D

func _ready():
	target_player = get_tree().current_scene.get_node("player")
	anim_player.play("idle")
func _physics_process(delta):
	if $AnimatedSprite3D.animation == "stunned" and $AnimatedSprite3D.frame !=5:
		yield(get_tree().create_timer(0.2), "timeout")
		anim_player.play("idle")
	if follow_player():
		anim_player.play("walking")
	elif idle():
		anim_player.play("idle")
	else:
		knockback = knockback(foo)
		if knockback:
			anim_player.play("stunned")

func follow_player():
	var direction_to_player = target_player.global_transform.origin - global_transform.origin
	var distance_to_player = direction_to_player.length()
	direction_to_player = direction_to_player.normalized()

	# check if the enemy is to the left or right of the player
	if global_transform.origin.x < target_player.global_transform.origin.x:
			# enemy is to the left of the player, flip the sprite3d horizontally
		anim_player.set_scale(Vector3(-1, 1, 1))
	else:
			# enemy is to the right of the player, flip the sprite3d back to the opposite direction
		anim_player.set_scale(Vector3(1, 1, 1))

	if distance_to_player > stopping_distance:
		var velocity = direction_to_player * move_speed
		move_and_slide(velocity)
		return true
	else:
		return false

func idle():
		var direction_to_player = target_player.global_transform.origin - global_transform.origin
		var distance_to_player = direction_to_player.length()
		if distance_to_player < stopping_distance:
			move_and_slide(Vector3.ZERO)
			return true
		else:
			return false

func knockback(damage: int):
	health -= damage
	print("enemy was hit!, current health: " + str(health))
	if health <= 20:
		anim_player.play("stunned")