Is there a way to create a spinning slot machine animation using CSS3 and jQuery?

I'm currently working on a demo application that will randomly choose a venue when a user clicks a button. My goal is to have the selected venues scroll through with a slot machine spinning animation created using CSS3 and jQuery.

Initially, I considered utilizing -webkit-keyframes and adjusting the background position for the animation, but I found it didn't quite meet my vision for the effect. 

@-webkit-keyframes spin{  
  0% {  
        background-position: 0, 0 0;
        -webkit-transform: rotateX(0deg);
     }
  100% { 
        background-position: 0, 0 -640px;
        -webkit-transform: rotateX(360deg);
     }
}

.rotating{
    -webkit-animation: spin .5s infinite linear;
    -webkit-transition: background-position .7s;
}

Does anyone have any suggestions or insights on achieving this desired animation effect? You can view my progress so far here. Any help would be greatly appreciated.

Thank you!

jqueryhtmlanimationcss

Answer №1

After extensive exploration, I have developed the following code snippet. Hopefully, it proves to be helpful in some capacity.

const POSTERS_PER_ROW = 12;
const RING_RADIUS = 200;

function setup_posters(row) {
  var posterAngle = 360 / POSTERS_PER_ROW;
  for (var i = 0; i < POSTERS_PER_ROW; i++) {
    var poster = document.createElement('div');
    poster.className = 'poster';
    // compute and assign the transform for this poster
    var transform = 'rotateY(' + (posterAngle * i) + 'deg) translateZ(' + RING_RADIUS + 'px)';
    poster.style.webkitTransform = transform;
    // setup the number to show inside the poster
    var content = poster.appendChild(document.createElement('p'));
    content.textContent = i;
    // add the poster to the row
    //row.appendChild(poster);
  }

}

function init() {
  setup_posters(document.getElementById('ring-1'));
  setup_posters(document.getElementById('ring-2'));
  setup_posters(document.getElementById('ring-3'));
}

// call init once the document is fully loaded
window.addEventListener('load', init, false);
body {
  font-family: 'Lucida Grande', Verdana, Arial;
  font-size: 12px;
}
#stage {
  margin: 150px auto;
  width: 600px;
  height: 400px;
  /*
        
        Setting the perspective of the contents of the stage
        but not the stage itself
        
        */
  -webkit-perspective: 800;
}
#rotate {
  margin: 0 auto;
  width: 600px;
  height: 400px;
  /* Ensure that we're in 3D space */
  -webkit-transform-style: preserve-3d;
  /*
        Make the whole set of rows use the x-axis spin animation
        for a duration of 7 seconds, running infinitely and linearly
        */
  /* -webkit-animation-name: x-spin;
        -webkit-animation-duration: 7s;
        -webkit-animation-iteration-count: infinite;
        -webkit-animation-timing-function: linear;*/
}
.ring {
  margin: 0 auto;
  height: 110px;
  width: 600px;
  -webkit-transform-style: preserve-3d;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
}
.ring &:nth-child(odd) {
  background-color: #995C7F;
}
.ring &:nth-child(even) {
  background-color: #835A99;
}
.poster {
  position: absolute;
  left: 250px;
  width: 100px;
  height: 100px;
  opacity: 0.7;
  color: rgba(0, 0, 0, 0.9);
  -webkit-border-radius: 10px;
}
.poster &:gt; p {
  font-family: 'Georgia', serif;
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-top: 28px;
}
/*
      Set up each row to have a different animation duration
      and alternating y-axis rotation directions.
      */

#ring-1 {
  -webkit-animation-name: x-spin;
  -webkit-animation-duration: 2s;
}
/*
      #ring-2 {
        -webkit-animation-name: back-y-spin;
        -webkit-animation-duration: 4s;
      }

      #ring-3 {
        -webkit-animation-name: y-spin;
        -webkit-animation-duration: 3s;
      }*/

/*


      Here we define each of the three individual animations that
      we will be using to have our 3D rotation effect. The first
      animation will perform a full rotation on the x-axis, we'll
      use that on the whole set of objects. The second and third
      animations will perform a full rotation on the y-axis in
      opposite directions, alternating directions between rows.
    
      Note that you currently have to specify an intermediate step
      for rotations even when you are using individual transformation
      constructs.

      */

@-webkit-keyframes x-spin {
  0% {
    -webkit-transform: rotateX(0deg);
  }
  50% {
    -webkit-transform: rotateX(180deg);
  }
  100% {
    -webkit-transform: rotateX(360deg);
  }
}
@-webkit-keyframes y-spin {
  0% {
    -webkit-transform: rotateY(0deg);
  }
  50% {
    -webkit-transform: rotateY(180deg);
  }
  100% {
    -webkit-transform: rotateY(360deg);
  }
}
@-webkit-keyframes back-y-spin {
  0% {
    -webkit-transform: rotateY(360deg);
  }
  50% {
    -webkit-transform: rotateY(180deg);
  }
  100% {
    -webkit-transform: rotateY(0deg);
  }
}
<h1>//BOTCHED Poster Circle</h1>
<strike>
    <p>//This is a simple example of how to use CSS transformation and animations to get interesting-looking behavior.</p>
    <p>The three rings are constructed using a simple JavaScript function that creates elements and assigns them a transform
      that describes their position in the ring. CSS animations are then used to rotate each ring, and to spin the containing
      element around too.</p>
    <p>Note that you can still select the numbers on the ring; everything remains clickable.</p>
    
    </strike>
<p>Taken from <a href="http://www.webkit.org/blog-files/3d-transforms/poster-circle.html">HERE</a> 
</p>
<div id="stage">
  <div id="rotate">
    <div id="ring-1" class="ring">
      <div class="poster" style="-webkit-transform: rotateX(0deg) translateZ(200px); ">
        <p>0</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(30deg) translateZ(200px); ">
        <p>1</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(60deg) translateZ(200px); ">
        <p>2</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(90deg) translateZ(200px); ">
        <p>3</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(120

deg) translateZ(200px); ">
        <p>4</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(150deg) translateZ(200px); ">
        <p>5</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(180deg) translateZ(200px); ">
        <p>6</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(210deg)

translateZ(200px); ">
        <p>7</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(240deg) translateZ(200px); ">
        <p>8</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(270deg) translateZ(200px); ">
        <p>9</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(300deg) translateZ(200px); ">
        <p>10</p>
      </div>
      <div class="poster" style="-webkit-transform: rotateX(330deg) translateZ(200px);

 ">
        <p>11</p>
      </div>
    </div>
  </div>
</div>

View on JSFiddle

Answer №2

Have you checked out the website ? It utilizes the plugin.

I'm not entirely convinced that your keyframe method involving rotation will achieve the desired outcome. The slot machine display may rotate, but due to its large diameter, it tends to resemble a continuous scroll. To make it appear more realistic, consider distorting the top and bottom of the images.

If you apply a blur effect to the top and bottom (using a transparent gif or css3 indented shadow), you may come closer to achieving the desired effect. Check out this video of a real slot machine for reference.

Answer №3

If none of the existing answers satisfy you, perhaps it's worth exploring a different (potentially simpler) approach.

  • Start by creating a series of vertical images or divs, with the desired image positioned at the top.
  • Utilize jQuery's .animate() function to animate these elements vertically within a smaller container div that has its overflow property set to hidden. This will create a spinning effect where only one image is visible at a time. Experiment with animation timing to achieve a realistic appearance and consider adding gradient PNG overlays to simulate 3D depth for added visual interest.
  • While not a cutting-edge CSS3 solution, this method can still produce aesthetically pleasing results. Though I couldn't locate a JavaScript example, you can reference this Flash-based slot machine which operates on a similar principle of vertically moving images. The absence of 3D effects does not detract from its cool factor, and you can omit any unnecessary blur effects to maintain a sleek appearance. And yes, I share your sentiment about Flash.

Answer №4

If you ask me, combining javascript with trigonometry is the way to go. Take a look at this dynamic carousel and try toggling the axis - I believe that's the exact effect you're after.

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