extends Control

var times = []
var i = 0
var bpm: float 
onready var BPMNumber = $"BPMNumber"

func count():
	times.append(OS.get_ticks_usec())
	var avgDelta
	#RESET STUFF THAT DIDN'T WORK
	#var delta
	#if (avgDelta && delta>(avgDelta*2)):
	#	i=0
	#	times.clear()
	#	bpm=0
	#print(str(delta) + " " + str(avgDelta))
	if (i>3):
		avgDelta = ((times[i]-times[i-1]) + (times[i-1]-times[i-2]) + (times[i-2]-times[i-3]) + (times[i-3]-times[i-4]))/4
		bpm = 60000000 / avgDelta
		BPMNumber.text = str(bpm) + "BPM"
	#	delta = (times[i]-times[i-1])
	i += 1

func _on_Tap_button_down():
	count()