to(target, time, toObj) {
    const from = target.display;
    const to = clone(toObj);
    const delay = to.delay || 0;
    const ease = to.ease;
    delete to['delay'];
    delete to['ease'];

    target.addAnimate({ from, to, time, delay, ease });
  }
Tween to easing animation
@param {FFNode} target - target display object
@param {number} time - animation transition time
@param {object} toObj - animation transition properties
@public