resume method
Implementation
Tween resume([int? time]) {
time ??= now();
if (this._isPaused || this._isPlaying) {
return this;
}
this._isPaused = false;
this._startTime += time - this._pauseStart;
this._pauseStart = 0;
// eslint-disable-next-line
this._group.add(this);
return this;
}