基于mo.js制作的17种炫酷图标动画特效

var el = document.querySelector('.icobutton'),
  elSpan = el.querySelector('span'),
  // mo.js timeline obj
  timeline = new mojs.Timeline(),
 
  // tweens for the animation:
 
  // burst animation
  tween1 = new mojs.Burst({
    parent: el,
    duration: 1500,
    shape : 'circle',
    fill : [ '#988ADE', '#DE8AA0', '#8AAEDE', '#8ADEAD', '#DEC58A', '#8AD1DE' ],
    x: '50%',
    y: '50%',
    opacity: 0.6,
    childOptions: { radius: {20:0} },
    radius: {40:120},
    count: 6,
    isSwirl: true,
    isRunLess: true,
    easing: mojs.easing.bezier(0.1, 1, 0.3, 1)
  }),
  // ring animation
  tween2 = new mojs.Transit({
    parent: el,
    duration: 750,
    type: 'circle',
    radius: {0: 50},
    fill: 'transparent',
    stroke: '#988ADE',
    strokeWidth: {15:0},
    opacity: 0.6,
    x: '50%',     
    y: '50%',
    isRunLess: true,
    easing: mojs.easing.bezier(0, 1, 0.5, 1)
  }),
  // icon scale animation
  tween3 = new mojs.Tween({
    duration : 900,
    onUpdate: function(progress) {
      var scaleProgress = scaleCurve4(progress);
      elSpan.style.WebkitTransform = elSpan.style.transform 
            = 'scale3d(' + scaleProgress + ',' + scaleProgress + ',1)';
    }
  });
 
// add tweens to timeline:
timeline.add(tween1, tween2, tween3);
 
// when clicking the button start the timeline/animation:
el.addEventListener('mouseenter', function() {
  timeline.start();
});