//Ani.SpeedUpOrStopThen(fun.smoothDeltaTime*3,() => {})
public static IAnimation SpeedUpOrStopThen(this IAnimation ani, double seconds, Action then)
{
if (ani == null || ani.IsFinished)
{
then();
return(ani);
}
var timeAni = ani as ITimeBased;
if (timeAni != null)
{
var timePlusSeconds = Time.time + seconds;
// if hasn't started yet
if (timeAni.Range.From > Time.time)
{
timeAni.Range.To = timeAni.Range.From + (float)seconds;
}
// if in the middle
else if (timePlusSeconds >= timeAni.Range.From && timePlusSeconds <= timeAni.Range.To)
{
timeAni.Range.ResizeRemainingTo(seconds);
}
ani.Then(then);
return(ani);
}
ani.Finish();
then();
return(ani);
}