void setTime(float time, float blendAmount, AnimControl control, AnimChannel channel, TempVars vars) {
        if (tracks == null) {
            return;
        }

        for (Track track : tracks) {
            track.setTime(time, blendAmount, control, channel, vars);
        }
    }
This method sets the current time of the animation.
This method behaves differently for every known track type.
Override this method if you have your own type of track.

@param time the time of the animation
@param blendAmount the blend amount factor
@param control the animation control
@param channel the animation channel
jme3-core/src/main/java/com/jme3/animation/Animation.java