BetterProgramming

extension DispatchQueue {
    static func background(delay: Double = 0.0, background: (()->Void)? = nil, completion: (() -> Void)? = nil) {
        DispatchQueue.main.async {
            background?()
            if let completion = completion {
                DispatchQueue.main.asyncAfter(deadline: .now() + delay, execute: {
                    completion()
                })
            }
        }

BetterProgramming

func shake() {
    let shake = CABasicAnimation(keyPath: "position")
    shake.duration = 0.05
    shake.repeatCount = 2
    shake.autoreverses = true
    let fromPoint = CGPoint(x: center.x - 5, y: center.y)
    let fromValue = NSValue(cgPoint: fromPoint)
    let toPoint = CGPoint(x: center.x + 5, y: center.y)
    let toValue = NSValue(cgPoint: toPoint)
    shake.fromValue = fromValue

kasthor

extends Node2D

var image
var should_update_canvas = false
var drawing = false

# Called when the node enters the scene tree for the first time.
func _ready():
	create_image()
	update_texture()