public UpdateEv(floatEvent ev, float begin, float end, float tweenTime)
{
this.callBack = ev;
this.begin = begin;
this.total = end - begin;
this.counter = 0f;
this.tweenTime = tweenTime;
}
public void valueTo(float begin, float end, floatEvent ev, float t)
{
_updateEv = new UpdateEv(ev, begin, end, t);
}