public void addTimeTranslation(float time, Vector3f translation) {
        addKeyFrameTranslation((int) (time / tpf), translation);
    }
Adds a key frame for the given translation at the given time
@param time the time at which the keyFrame must be inserted
@param translation the translation to use for this keyFrame
jme3-core/src/main/java/com/jme3/animation/AnimationFactory.java