New API actions.parallel about excalibur HOT 1 OPEN

myactor.actions
.paralel(ctx=>[
  ctx.moveTo(...),
  ctx.scaleTo(...),
]);

var newScaleBy = (actor: ex.Actor, scaleChange: ex.Vector, durationSeconds: number) => {
  // coroutines start automatically
  ex.coroutine(function* () {
    let duration = durationSeconds * 1000; // milliseconds
    let xScaleChangeRate = scaleChange.x / duration;
    let yScaleChangeRate = scaleChange.y / duration;
    let targetScale = actor.scale.add(scaleChange);
    while (duration > 0) {
      const elapsed = yield;
      duration -= elapsed;
      actor.scale.x += xScaleChangeRate * elapsed;
      actor.scale.y += yScaleChangeRate * elapsed;
    }
    actor.scale = targetScale;
  });
};

actor.onInitialize = () => {
  newScaleBy(actor, ex.vec(-0.5, -0.25), 2);
};