extends Node

const audible_threshold = 5
const dropoff_threshold = 50
const max_vol = 0
const min_vol = -20

func _ready():
	add_streams("res://sound/basketball/", $SFX/Basketball)

func add_streams(res_directory: String, node: Node):
	var index = 0
	for file_name in DirAccess.get_files_at(res_directory):
		if file_name.ends_with(".ogg"):
			node.stream.add_stream(index, load(res_directory + file_name), 1)
			index += 1

func impact_noise(velocity: Vector2):
	var averaged_velocity = (velocity.x + velocity.y) / 2
	if velocity.y > audible_threshold:
		$SFX/Basketball.volume_db = (clamp(averaged_velocity, 0, dropoff_threshold) / dropoff_threshold) * (max_vol - min_vol) + min_vol
		$SFX/Basketball.play()