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              <div class="info">
  <b><a href="https://github.com/tholman/90s-cursor-effects" target="_blank">90's cursor effects collection</a></b><br>
  - Emoji Cursor
</div>
            
          
!
            
              .info {
  font-family: monospace;
  position: absolute;
  line-height: 20px;
  font-size: 14px;
  left: 20px;
  top: 20px;
}
            
          
!
            
              /*!
 * Emoji Cursor.js
 * - 90's cursors collection
 * -- https://github.com/tholman/90s-cursor-effects
 * -- https://codepen.io/tholman/full/rxJpdQ
 */

(function emojiCursor() {
  
  var possibleEmoji = ["🎄", "🎅🏻", "❄️", "⛄", "🎁"]
  var width = window.innerWidth;
  var height = window.innerHeight;
  var cursor = {x: width/2, y: width/2};
  var particles = [];
  
  function init() {
    bindEvents();
    loop();
  }
  
  // Bind events that are needed
  function bindEvents() {
    document.addEventListener('mousemove', onMouseMove);
    document.addEventListener('touchmove', onTouchMove);
    document.addEventListener('touchstart', onTouchMove);
    
    window.addEventListener('resize', onWindowResize);
  }
  
  function onWindowResize(e) {
    width = window.innerWidth;
    height = window.innerHeight;
  }
  
  function onTouchMove(e) {
    if( e.touches.length > 0 ) {
      for( var i = 0; i < e.touches.length; i++ ) {
        addParticle( e.touches[i].clientX, e.touches[i].clientY, possibleEmoji[Math.floor(Math.random()*possibleEmoji.length)]);
      }
    }
  }
  
  function onMouseMove(e) {    
    cursor.x = e.clientX;
    cursor.y = e.clientY;
    
    addParticle( cursor.x, cursor.y, possibleEmoji[Math.floor(Math.random()*possibleEmoji.length)]);
  }
  
  function addParticle(x, y, character) {
    var particle = new Particle();
    particle.init(x, y, character);
    particles.push(particle);
  }
  
  function updateParticles() {
    
    // Updated
    for( var i = 0; i < particles.length; i++ ) {
      particles[i].update();
    }
    
    // Remove dead particles
    for( var i = particles.length -1; i >= 0; i-- ) {
      if( particles[i].lifeSpan < 0 ) {
        particles[i].die();
        particles.splice(i, 1);
      }
    }
    
  }
  
  function loop() {
    requestAnimationFrame(loop);
    updateParticles();
  }
  
  /**
   * Particles
   */
  
  function Particle() {

    this.lifeSpan = 120; //ms
    this.initialStyles ={
      "position": "absolute",
      "display": "block",
      "pointerEvents": "none",
      "z-index": "10000000",
      "fontSize": "64px",
      "will-change": "transform"
    };

    // Init, and set properties
    this.init = function(x, y, character) {

      this.velocity = {
        x:  (Math.random() < 0.5 ? -1 : 1) * (Math.random() / 2),
        y: 1
      };
      
      this.position = {x: x - 10, y: y - 20};

      this.element = document.createElement('span');
      this.element.innerHTML = character;
      applyProperties(this.element, this.initialStyles);
      this.update();
      
      document.body.appendChild(this.element);
    };
    
    this.update = function() {
      this.position.x += this.velocity.x;
      this.position.y += this.velocity.y;
      this.lifeSpan--;
      
      this.element.style.transform = "translate3d(" + this.position.x + "px," + this.position.y + "px,0) scale(" + (this.lifeSpan / 120) + ")";
    }
    
    this.die = function() {
      this.element.parentNode.removeChild(this.element);
    }
    
  }
  
  /**
   * Utils
   */
  
  // Applies css `properties` to an element.
  function applyProperties( target, properties ) {
    for( var key in properties ) {
      target.style[ key ] = properties[ key ];
    }
  }
  
  init();
})();
            
          
!
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