class_name BeatUpdate

## Beat this frame.
var current: float

## Beat last frame.
var previous: float


## Beat updated forward in time.
func forward() -> bool:
	return current > previous


## Beat updated backward in time.
func backward() -> bool:
	return current < previous


func new_beat() -> bool:
	return floori(previous) != floori(current)


func _init(current_beat: float = 0.0, previous_beat: float = 0.0) -> void:
	current = current_beat
	previous = previous_beat