/**
  * Sets object with index <code>indexInST</code> to translate by <code>position</code> at time
  * <code>time</code>.
  *
  * @param indexInST The index of the spatial to change
  * @param time The time for the spatial to take this translation
  * @param position The position to take
  */
 public void setPosition(int indexInST, float time, Vector3f position) {
   PointInTime toAdd = findTime(time);
   toAdd.setTranslation(indexInST, position);
 }