function crossCheckTransform(tweenProp) {
  if (this.valuesEnd[tweenProp]) {
    if (this.valuesEnd[tweenProp]) {
      if (this.valuesEnd[tweenProp].perspective && !this.valuesStart[tweenProp].perspective) {
        this.valuesStart[tweenProp].perspective = this.valuesEnd[tweenProp].perspective;
      }
    }
  }
}
Prepare tween object in advance for `to()` method.
@param {string} tweenProp the property name