$(document).ready(function(){
  console.log("jquery invoked OK");
  
  var i=1,
      image="",
  count=50;
  
  for(i=1;i<=50;i++)
    {
    $('.grid').append('<img src="http://thecodeplayer.com/u/uifaces/'+i+'.jpg"/>');
    }
  
  $('#animation').on('click',
                     function()
                     {
                        //fading out the thumbnails with style
	$("img").each(function(){
		d = Math.random()*1000; //1ms to 1000ms delay
		$(this).delay(d).animate({opacity: 0}, {
			//while the thumbnails are fading out, we will use the step function to apply some transforms. variable n will give the current opacity in the animation.
			step: function(n){
				s = 1-n; //scale - will animate from 0 to 1
				$(this).css("transform", "scale("+s+")");
			}, 
			duration: 1000, 
		})
	}).promise().done(function(){
		//after *promising* and *doing* the fadeout animation we will bring the images back
		storm();
	})
})
//bringing back the images with style
function storm()
{
	$("img").each(function(){
		d = Math.random()*1000;
		$(this).delay(d).animate({opacity: 1}, {
			step: function(n){
				//rotating the images on the Y axis from 360deg to 0deg
				ry = (1-n)*360;
				//translating the images from 1000px to 0px
				tz = (1-n)*1000;
				//applying the transformation
				$(this).css("transform", "rotateY("+ry+"deg) translateZ("+tz+"px)");
			}, 
			duration: 3000, 
			//some easing fun. Comes from the jquery easing plugin.
			easing: 'easeOutQuint', 
		})
	
                     });
}
});