class_name Chicken
extends KinematicBody2D


export var walk_linear_speed = 100
export var run_boost = 4

var velocity = Vector2.ZERO


func attack(from: Vector2, angle: float):
	position = from

	velocity = Vector2(walk_linear_speed, 0).rotated(angle)
	$AnimatedSprite.play("walk")
	_update_sprite_direction()


func _physics_process(delta):
	var collision = move_and_collide(velocity * delta)
	_collide_and_react(collision)


func _on_VisibilityNotifier2D_screen_exited():
	_die()


func _on_Spawner_reset():
	_die()


func _die():
	queue_free()


func _collide_and_react(collision: KinematicCollision2D) -> void:
	if collision == null:
		return

	var collider = collision.get_collider()
	if collider is KinematicBody2D and (collider as Node).is_in_group("chicken") :
		_turn_away()


func _turn_away() -> void:
	velocity.x = -velocity.x
	_update_sprite_direction()


func _update_sprite_direction() -> void:
	$AnimatedSprite.flip_h = velocity.x < 0.0