frame-of-mind/src/ui/credits_roll/credits_roll.gd

extends Control
@onready var Handle : Control = $Handle

@export var scroll_speed: float = 50.0

var original : Vector2
var offset : Vector2
var playing : bool

func _ready() -> void:
	print_debug("credits_roll.gd: _ready()")	
	original = Handle.position
	set_process_input(false)
	
func _process(delta: float) -> void:
	if playing:
		offset.y -= scroll_speed * delta
		Handle.position = offset

func _input(event: InputEvent) -> void:
	if event.is_action_pressed("ui_menu") or event.is_action_pressed("ui_cancel") or event.is_action_pressed("ui_accept"):
		stop()
		
func play() -> void:
	print_debug("credits_roll.gd: show()")	
	set_process_input(true)
	offset = original
	Handle.position = original
	playing = true	
	modulate.a = 0
	visible = true
	var tween := create_tween()
	tween.tween_property(self, "modulate:a", 1.0, 5.0)
	await tween.finished
			
func stop() -> void:	
	print_debug("credits_roll.gd: hide()")
	set_process_input(false)
	var tween := create_tween()
	tween.tween_property(self, "modulate:a", 0.0, 2.0)
	await tween.finished
	playing = false
	visible = false