class_name NPCCharector extends CharacterBody2D

func _physics_process(delta: float) -> void:
	if not is_on_floor():
		velocity += get_gravity() * delta
	
	move_and_slide()
func knockBack(direction, duration: float=0.2):
	velocity = direction
	await get_tree().create_timer(duration).timeout
	velocity = Vector2.ZERO