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extends Label
class_name TextReveal
signal finished_reveal()
export(String, MULTILINE) var to_render = "Text"
export var speed = 20.0
export var xpos = 0
export var ypos = 0
############
# INTERNAL #
############
var revealed = 0
var started = false
var finished = false
var t = 0
# Called when the node enters the scene tree for the first time.
func _ready():
theme = preload("res://fonts/Flipps_Theme.tres")
rect_position = Vector2(xpos, ypos)
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
if not started:
return
t += delta * speed
var additional = int(t)
t -= additional
revealed += additional
text = to_render.substr(0, revealed)
rect_position = -rect_size / 2 + Vector2(xpos, ypos)
if to_render.length() <= revealed:
started = false
finished = true
emit_signal("finished_reveal")
func start():
started = true
text = ""
revealed = 0
t = 0
finished = false
func has_finished():
return finished
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