IEnumerator swapPosition(MyCharacterController target, Action callback)
{
float time = Time.timeSinceLevelLoad;
Vector2 end = target.CurrentPosition;
StartCoroutine(target.normalMove2(time, target.CurrentPosition, this.CurrentPosition, () => { }));
yield return StartCoroutine(this.normalMove2(time, this.CurrentPosition, end, () => { }));
callback();
}