Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource

JavaScript

Babel is required to process package imports. If you need a different preprocessor remove all packages first.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import or require. We'll also process your JavaScript with Babel.

⚠️ This feature can only be used by logged in users.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

            
              <div id="preview">
  <svg id="amoeba" width="64" height="64" viewBox="0 0 64 64">
    <g id="amoeba-body">
      <circle id="amoeba-body-start" cx="32" cy="32" r="8" fill="#f14ca3"/>
      <path id="amoeba-body-end" d="M35.26,9.77h0a3.88,3.88,0,0,0,5,1.34h0a3.89,3.89,0,0,1,5.65,3.26h0a3.88,3.88,0,0,0,3.68,3.68h0a3.89,3.89,0,0,1,3.26,5.65h0a3.88,3.88,0,0,0,1.34,5h0a3.89,3.89,0,0,1,0,6.52h0a3.88,3.88,0,0,0-1.34,5h0a3.89,3.89,0,0,1-3.26,5.65h0a3.88,3.88,0,0,0-3.68,3.68h0a3.89,3.89,0,0,1-5.65,3.26h0a3.88,3.88,0,0,0-5,1.34h0a3.89,3.89,0,0,1-6.52,0h0a3.88,3.88,0,0,0-5-1.34h0a3.89,3.89,0,0,1-5.65-3.26h0a3.88,3.88,0,0,0-3.68-3.68h0a3.89,3.89,0,0,1-3.26-5.65h0a3.88,3.88,0,0,0-1.34-5h0a3.89,3.89,0,0,1,0-6.52h0a3.88,3.88,0,0,0,1.34-5h0a3.89,3.89,0,0,1,3.26-5.65h0a3.88,3.88,0,0,0,3.68-3.68h0a3.89,3.89,0,0,1,5.65-3.26h0a3.88,3.88,0,0,0,5-1.34h0A3.89,3.89,0,0,1,35.26,9.77Z" fill="#f14ca3"/>
    </g>
    <path id="amoeba-ring" d="M18.59,14h0a3.9,3.9,0,0,0,4.51-2.6h0a3.88,3.88,0,0,1,6.29-1.69h0a3.89,3.89,0,0,0,5.2,0h0a3.88,3.88,0,0,1,6.29,1.69h0A3.9,3.9,0,0,0,45.41,14h0A3.88,3.88,0,0,1,50,18.59h0a3.9,3.9,0,0,0,2.6,4.51h0a3.88,3.88,0,0,1,1.69,6.29h0a3.89,3.89,0,0,0,0,5.2h0a3.88,3.88,0,0,1-1.69,6.29h0A3.9,3.9,0,0,0,50,45.41h0A3.88,3.88,0,0,1,45.41,50h0a3.9,3.9,0,0,0-4.51,2.6h0a3.88,3.88,0,0,1-6.29,1.69h0a3.89,3.89,0,0,0-5.2,0h0a3.88,3.88,0,0,1-6.29-1.69h0A3.9,3.9,0,0,0,18.59,50h0A3.88,3.88,0,0,1,14,45.41h0a3.9,3.9,0,0,0-2.6-4.51h0a3.88,3.88,0,0,1-1.69-6.29h0a3.89,3.89,0,0,0,0-5.2h0a3.88,3.88,0,0,1,1.69-6.29h0A3.9,3.9,0,0,0,14,18.59h0A3.88,3.88,0,0,1,18.59,14Z" fill="none" stroke="#E6B0FF" stroke-miterlimit="10" stroke-linecap="round"/>
    <g id="amoeba-eyes">
      <path d="M30,32c0-3.31-1.69-6-5-6s-7,2.69-7,6,1.69,6,5,6C28,38,30,35.31,30,32Z" fill="#fff"/>
      <circle cx="25" cy="32" r="2.48" fill="#456bd9"/>
      <path d="M34.17,33.42c-.78-3.22.22-6.23,3.44-7s7.43.95,8.22,4.17-.22,6.23-3.44,7C37.54,38.78,35,36.64,34.17,33.42Z" fill="#fff"/>
      <circle cx="39" cy="32" r="2.48" fill="#456bd9"/>
    </g>
  </svg>
</div>
<form id="export">
  <label>
    <abbr title="Frames Per Second">FPS</abbr>
    <input id="fps" type="number" value="24" required>
  </label>
  <label>
    Scale
    <input id="scale" type="number" value="2" required>
  </label>
  <button>Export Frames (ZIP)</button>
</form>
            
          
!
            
              html {
  height: 100%;
}

body {
  background: hsl(224, 50%, 10%);
  color: #111;
  display: grid;
  grid-template-rows: minmax(10em, 1fr) min-content;
  min-height: 100%;
}

@media (orientation: landscape) and (min-width: 42em) {
  body {
    grid-template-columns: minmax(10em, 2fr) minmax(15em, 1fr);
    grid-template-rows: auto;
  }
}

#preview {
  position: relative;
}

#amoeba {
  height: auto;
  left: 50%;
  min-width: 64px;
  position: absolute;
  transform: translate(-50%, -50%);
  top: 50%;
  width: 50%;
  width: 66vmin;
}

#export {
  align-self: center;
  background: #fff;
  border-top-left-radius: 0.5em;
  border-top-right-radius: 0.5em;
  display: grid;
  grid-gap: 1em;
  grid-template-columns: 1fr 1fr;
  justify-self: center;
  padding: 1em;
}

@media (orientation: landscape) and (min-width: 42em) {
  #export {
    border-bottom-left-radius: 0.5em;
    border-top-right-radius: 0;
  }
}

#export label {
  align-items: center;
  display: grid;
  grid-gap: 0.2em;
}

#export input {
  min-width: 0;
  width: auto;
}

#export button {
  grid-column: span 2;
  white-space: nowrap;
}
            
          
!
            
              /**
 * Animation
 *
 * Uses GSAP + MorphSVG + DrawSVG
 */

const timeline = new TimelineMax({
  repeat: -1,
  repeatDelay: 1
});

const duration = 2;

timeline.to(
  "#amoeba-ring",
  duration,
  {
    rotation: 90,
    transformOrigin: "center",
    ease: Power3.easeOut
  },
  "start"
);

timeline.to(
  "#amoeba-body",
  duration,
  {
    rotation: -90,
    transformOrigin: "center",
    ease: Power3.easeOut
  },
  "start"
);

timeline.from(
  "#amoeba-ring",
  duration * 0.8,
  {
    drawSVG: 0,
    ease: Power3.easeOut
  },
  "start"
);

timeline.from(
  "#amoeba-body-end",
  duration,
  {
    morphSVG: "#amoeba-body-start",
    ease: Back.easeOut.config(2)
  },
  "start"
);

timeline.from(
  "#amoeba-body",
  duration * 0.8,
  {
    // scale: 0.6,
    opacity: 0,
    transformOrigin: "center"
  },
  "start"
);

timeline.from(
  "#amoeba-eyes",
  duration * 0.8,
  {
    scale: 0.25,
    opacity: 0,
    transformOrigin: "center",
    ease: Back.easeOut.config(3)
  },
  "start"
);

/**
 * Generation
 *
 * Uses https://www.npmjs.com/package/save-svg-as-png
 * With https://stuk.github.io/jszip/
 * And https://github.com/eligrey/FileSaver.js/
 * With help from https://stackoverflow.com/a/40329190/5175805
 */

function generate(fps = 24, scale = 2) {
  // Get duration from our timeline
  const duration = timeline.duration();
  // Calculate the total number of frames
  const frames = Math.ceil(duration * fps);

  // Filenames
  let filePrefix = "amoeba-";
  let fileScale = scale === 1 ? "" : `@${scale}x`;
  let fileExtension = ".png";

  // Adjust actual scale based on current device ratio
  scale = scale / window.devicePixelRatio;

  // Create a ZIP file we'll add images to
  const zip = new JSZip();

  // Set up a resolved promise for our loop
  let step = Promise.resolve();

  // For every frame we need to generate…
  for (let i = 0; i <= frames; i++) {
    let position = duration / frames * i;
    let filename = `${filePrefix}${i}${fileScale}${fileExtension}`;
    // Begin this step when the previous finishes
    step = step.then(() => {
      timeline.pause(position);
      return svgAsPngUri(document.getElementById("amoeba"), { scale }).then(
        uri => {
          // Convert data URI to plain base64
          let imgDataIndex = uri.indexOf("base64,") + "base64,".length;
          let imgData = uri.substr(imgDataIndex);
          zip.file(filename, imgData, { base64: true });
        }
      );
    });
  }

  step.then(() => {
    zip.generateAsync({ type: "blob" }).then(blob => {
      saveAs(blob, `${filePrefix}frames.zip`);
    });
    // Resume animation
    timeline.play();
  });
}

/**
 * Form action
 */

document.getElementById("export").addEventListener("submit", event => {
  // Convert the input values to numbers
  const fps = parseFloat(document.getElementById("fps").value, 10);
  const scale = parseFloat(document.getElementById("scale").value, 10);
  // Prevent the form from taking us anywhere
  event.preventDefault();
  // Pass these values to our PNG/ZIP generator
  generate(fps, scale);
});

            
          
!
999px

Console