zoomInOut.js

var node = parentNode.addChild();

function nextTrans(trans) {
    var scale = [1,1,1];
    if (node.getScale()[0] == 1) {
        scale = [0.2, 0.2, 0.2];
    }
    trans.to([Math.random() * 10, Math.random() * 10, scale[0], scale[1], scale[2]], 'inOutQuad', 1500, function () {
        nextTrans(trans);
    });
}

var pos = node.getPosition();
var trans = new Transitionable().from([pos[0],pos[1],pos[2],1,1,1]);
nextTrans(trans);

var zoomInOutComp = node.addComponent({
    onUpdate: function (time) {
        if (_SceneTwo.paused) {
            //-- The scene us paused
            trans.pause();
        } else {
            //-- The scene is not pause
            if (trans.isPaused()) {
                //-- the scene was unpaused, so we should 
                trans.resume();
            }
            var params = trans.get();
            node.setPosition(params[0], params[1], params[2]);
            node.setScale(params[3], params[4], params[5]);
        }

        if (trans.isActive()) {
            //-- As long as the Transitional is active, keep updating
            node.requestUpdate(this);
        }
    }
});

// Let the magic begin...
node.requestUpdate(zoomInOutComp);