extends CanvasItem

class_name BlackScreen

var animation_counter = 0.0
var animation_duration : float
var animation = null

func animate(_animation, duration : float):
	animation_counter = 0.0
	animation_duration = duration
	animation = _animation
	print('animating!' + (animation if animation != null else 'null') + ' - ' + String(animation_duration))

func _process(delta):
	if animation != null:
		if animation == 'fadein':
			modulate.a = lerp(1,  0, clamp(animation_counter / animation_duration, 0, 1))
		elif animation == 'fadeout':
			modulate.a = lerp(0,  1, clamp(animation_counter / animation_duration, 0, 1))
		elif animation == 'black':
			modulate.a = 1
	else:
		modulate.a = 0
	animation_counter += delta