public void setMaskPropagationEnabled(boolean maskPropagationEnabled) {
        this.maskPropagationEnabled = maskPropagationEnabled;
    }
Determines whether to apply the animation mask to the wrapped or child actions {@link BaseAction#actions}.

@param maskPropagationEnabled If true, then mask set by AnimLayer will be
                              forwarded to all child actions (Default=true).
jme3-core/src/main/java/com/jme3/anim/tween/action/BaseAction.java