extends Area2D
export var ball_dir=1

const MOVE_SPEED=100

func _process(delta):

	var which = get_name()
	
	# move up and down based on input
	if (Input.is_action_pressed(which+"_move_up") and position.y > 0):
		position.y -= MOVE_SPEED * delta
	if (Input.is_action_pressed(which+"_move_down") and position.y < get_viewport_rect().size.y):
		position.y += MOVE_SPEED * delta
		

func _on_area_entered( area ):
	if area.get_name() == "ball":
		# assign new direction
		area.direction = Vector2(ball_dir,randf() * 2 - 1).normalized()