Untitled

extends CharacterBody2D

var speed = 40
var follow_distance = 300
var player_follow = false
var player = null
var current_dir = "none"
var last_dir = "down"
var animated_sprite
var linear_velocity = Vector2.ZERO

func _ready():
	animated_sprite = get_node("AnimatedSprite2D")

func _physics_process(delta):
	if player_follow:
		follow_player(delta)
		linear_velocity = velocity
		move_and_slide()
		update_animation()
	else:
		animated_sprite.play("idle_" + last_dir)

func follow_player(delta):
	var distance = global_position.distance_to(player.global_position)
	if distance <= follow_distance:
		velocity = (player.global_position - global_position).normalized() * speed
		print(distance, velocity) # add this line to print the distance and velocity
	else:
		velocity = Vector2.ZERO
		animated_sprite.play("idle_" + last_dir)
		print(distance, velocity) # add this line to print the distance and velocity


		
func update_animation():
	var new_dir = "down"
	if abs(velocity.y) > abs(velocity.x):
		if velocity.y < 0:
			new_dir = "up"
		elif velocity.y > 0:
			new_dir = "down"
	else:
		if velocity.x < 0:
			new_dir = "left"
		elif velocity.x > 0:
			new_dir = "right"

	if new_dir != current_dir:
		current_dir = new_dir
		last_dir = current_dir
		animated_sprite.play("walk_" + current_dir)
	elif velocity == Vector2.ZERO:
		animated_sprite.play("idle_" + last_dir)

func _on_detectionarea_body_entered(body):
	if body.is_in_group("player"):
		player = body
		player_follow = true
		set_physics_process(true)
		print("Following player")
		
func _on_detectionarea_body_exited(body):
	if body.is_in_group("player"):
		player = null
		player_follow = false
		set_physics_process(false)
		print("Not following player")