鼻子和嘴巴动画

var noseTween = new Kinetic.Tween({
    node: nose,
    duration: 1,
      easing: Kinetic.Easings.ElasticEaseOut,
    y: -100,
    points: [220, 280, sw/2, 200, sw-220,280]
});

var mouthTween = new Kinetic.Tween({
    node: mouth,
    duration: 1,
    easing: Kinetic.Easings.ElasticEaseOut,
    points: [100, 250, sw/2, 250, sw - 100, 250, sw/2, sh-20]
});