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              <!-- contains reference svg for #skull and #leo  -->
[[[https://codepen.io/notoriousb1t/pen/wPwjBz]]]

<svg id="container" viewBox="0 0 400 400">
   <path id="target" />
</svg>
<h2>Click to restart</h2>

            
          
!
            
              html {
   height: 100%;
}
body {
   height: 100%;
   display: flex;
   background-color: #efefef;
   justify-content: center;
   flex-direction: column;
   align-items: center;
   overflow: hidden;
   font-family: 'Permanent Marker';
   font-size: 22pt;
   color: red;
}

svg {
   height: 600px;
   width: 600px; 
}

path {
   stroke: black;
}

#container {
   cursor: pointer;
}
            
          
!
            
              const MAX_FRAMES = 60;
const DELAY = 4;
let frame = 0;
let step = 1;
let isPlaying = false
const target = document.querySelector('#target');

// get an interpolator
const renderMorph = polymorph.interpolate([ '#leo path', '#skull path']);

function animate() {
   isPlaying = true;
   frame += step;
   if (frame > MAX_FRAMES + DELAY) {
      isPlaying = false;
      frame = 0
      return
   }
   
   // get relative offset
   const offset = frame < DELAY ? 0 : just.curves.easeInOut((frame - DELAY) / MAX_FRAMES);

   // render morphed svg
   target.setAttribute('d', renderMorph(offset))
   
   // request next frame
   requestAnimationFrame(animate);
}

animate();

// wire up click even to restart animation
document.querySelector('#container').addEventListener('click', () => {
   frame = 0;
   if (!isPlaying) {
      animate();
   }
});
            
          
!
999px
Loading ..................

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