extends Node

@export var freq:float = 1.0
@export_range(0, PI/2) var amp:float = 0.0
@export_range(0.9, 1) var decay:float = 0.9

var amt:float = 0.0
var n:float = 0.0

func swing():
    amt = 1.0

func _process(delta):
    n += delta # or any constant, it's just for pretty
    amt *= decay

func get_swing():
    return sin(n*freq)*amp*amt