Scene transition - fade animation

transition.gd

# global - scene manager also scene with only anim and black texture

func change_stage(stage_path):
	if is_changing: return

	is_changing = true
	get_tree().get_root().set_disable_input(true)

	# fade to black
	get_node("anim").play("fade_in")
	yield(get_node("anim"), "finished")

	# change stage
	get_tree().change_scene(stage_path)
	emit_signal("stage_changed")

	# fade from black
	get_node("anim").play("fade_out")
	yield(get_node("anim"), "finished")

	is_changing = false
	get_tree().get_root().set_disable_input(false)
	pass