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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="canvas"></div>
            
          
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              /* Fullscreen */
html, body {
  position: relative;
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background-color: #E6E6E6;
  font-family: sans-serif;
}

/* Centered canvas */
#canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  overflow: hidden;
}
            
          
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              /*
  svgAnimation.js v1.0.0
  Licensed under the MIT license.
  https://www.opensource.org/licenses/mit-license.php

  Copyright 2016
  http://www.hellomichael.com/
*/

; (function(window) {
  'use strict';

  var svgAnimation = function (options) {
    var self = this;
    self.options = extend({}, self.options);      
    extend(self.options, options);
    self.init();
  };

  svgAnimation.prototype = {
    constructor: svgAnimation,

    options: {
      data:                 null,
      canvas:               null,
      svg:                  null,
      duration:             null,
      steps:                null
    },

    init: function() {
      var self = this;

      self.loadJSON(self.options.data, function (data) {
        self.loadSVG(self.options.canvas, self.options.svg, data.animations, (self.options.duration/self.options.steps));
      });
    },

    /*
      Loads the SVG into the DOM
      @param {Object}   canvas
      @param {String}   svg
      http://stackoverflow.com/questions/9723422/is-there-some-innerhtml-replacement-in-svg-xml
    */
    loadJSON: function(data, callback) {
      var self = this;

      // XML request
      var xobj = new XMLHttpRequest();
      xobj.open('GET', data, true);

      xobj.onreadystatechange = function() {
        // Success
        if (xobj.readyState === 4 && xobj.status === 200) {
          var json = JSON.parse(xobj.responseText);

          if (callback && typeof(callback) === "function") {
            callback(json);
          }
        }
      };

      xobj.send(null);
    },

    /*
      Loads the SVG into the DOM and creates tweens ready for playback

      @param {Object}   canvas
      @param {String}   svg
      @param {Array}    animations
      @param {Int}      duration 
      @param {Function} callback 
    */

    loadSVG: function(canvas, svg, animations, duration) {
      var self = this;

      Snap.load(svg, function(data) {
        // Place SVG nodes into DOM tree
        canvas.append(data);

        // Create tweens for each animation
        animations.forEach(function(animation) {
          var element = canvas.select(animation.id);
          
          // Create scale, rotate, and transform groups around an SVG node
          self.createTransformGroup(element);

          // Create tween based on keyframes
          if (animation.keyframes.translateKeyframes) {
            new svgTween({
              element: element.select('.translate'),
              keyframes: animation.keyframes.translateKeyframes,
              duration: duration
            });
          }

          if (animation.keyframes.rotateKeyframes) {
           new svgTween({
              element: element.select('.rotate'),
              keyframes: animation.keyframes.rotateKeyframes,
              duration: duration
            });
          }

          if (animation.keyframes.scaleKeyframes) {
            new svgTween({
              element: element.select('.scale'),
              keyframes: animation.keyframes.scaleKeyframes,
              duration: duration
            });
          }
        });
      });
    },

    /*
      Create scale, rotate, and transform groups around an SVG DOM node
      @param {object} Snap element
    */
    createTransformGroup: function(element) {
      if (element.node) {
        if (element.node) {
          var childNodes = element.selectAll('*');
          
          element.g().attr('class', 'translate')
            .g().attr('class', 'rotate')
            .g().attr('class', 'scale')
            .append(childNodes);
        }
      }
    }
  };

  /*
    Merges two objects together
    @param  {Object}  a 
    @param  {Object}  b
    @return {Object}  sum
    http://stackoverflow.com/questions/11197247/javascript-equivalent-of-jquerys-extend-method
  */
  function extend(a, b) {
    for (var key in b) { 
      if (b.hasOwnProperty(key)) {
        a[key] = b[key];
      }
    }

    return a;
  }

  // Add to global namespace
  window.svgAnimation = svgAnimation;
})(window);

/*
  svgTween.js v1.0.0
  Licensed under the MIT license.
  https://www.opensource.org/licenses/mit-license.php

  Copyright 2016
  http://www.hellomichael.com/
*/

; (function(window) {
  'use strict';

  var svgTween = function (options) {
    var self = this;
    self.options = extend({}, self.options);      
    extend(self.options, options);
    self.init();
  };

  svgTween.prototype = {
    constructor: svgTween,

    options: {
      element:    null,
      type:       null,
      keyframes:  null,
      duration:   null,
      originX:    null,
      originY:    null
    },

    init: function () {
      var self = this;

      // Set type
      self.options.type = self.options.element.node.getAttributeNode('class').value;

      // Set bbox to specific transform element (.translate, .scale, .rotate)
      var bBox = self.options.element.getBBox();

      // Set origin as specified or default to center
      self.options.originX = self.options.keyframes[0].cx ? self.getOriginX(bBox, self.options.keyframes[0].cx) : self.getOriginX(bBox, 'center');
      self.options.originY = self.options.keyframes[0].cy ? self.getOriginY(bBox, self.options.keyframes[0].cy) : self.getOriginY(bBox, 'center');

      // Reset and play tween
      self.resetTween(self.options.element, self.options.type, self.options.keyframes, self.options.originX, self.options.originY);
      self.playTween(self.options.element, self.options.type, self.options.keyframes, self.options.originX, self.options.originY, self.options.duration, 0);
    },

    /*
      Recursively loop through keyframes to create pauses or tweens

      @param {Object} element
      @param {String} type - "scale", "rotate", "translate"
      @param {Array}  keyframes
      @param {String} originX - "left", "right", "center"
      @param {String} originY - "top", "bottom", "center"
      @param {Int}    duration 
      @param {Int}    index
    */
    playTween: function(element, type, keyframes, originX, originY, duration, index) {
      var self = this, transform, translateX, translateY, rotationAngle, scaleX, scaleY, newDuration, easing;
      
      // Set keyframes we're transitioning to
      if (type === 'translate') {
        translateX = keyframes[index].x;
        translateY = keyframes[index].y;
        transform = 'T ' + translateX + ' ' + translateY;
      }

      else if (type === 'rotate') {
        rotationAngle = keyframes[index].angle;
        transform = 'R ' + rotationAngle + ' ' + originX + ' ' + originY;
      }

      else if (type === 'scale') {
        scaleX = keyframes[index].x;
        scaleY = keyframes[index].y;
        transform = 'S ' + scaleX + ' ' + scaleY + ' ' + originX + ' ' + originY;
      }
      
      // Set duration as an initial pause or the difference of steps in between keyframes
      newDuration = index ? ((keyframes[index].step - keyframes[(index-1)].step) * duration) : (keyframes[index].step * duration);

      // Set easing parameter
      easing = mina[keyframes[index].easing];

      // Skip first tween if animation immediately starts on step 0
      if (index === 0 && keyframes[index].step === 0) {
        self.playTween(element, type, keyframes, originX, originY, duration, (index + 1));
      }

      // Or pause tween if initial keyframe
      else if (index === 0 && keyframes[index].step !== 0) {
        setTimeout(function() {
          if (index !== (keyframes.length - 1)) {
            self.playTween(element, type, keyframes, originX, originY, duration, (index + 1));
          }
        }, newDuration);
      }

      // Or animate tweens if keyframes exist
      else {
        element.animate({
          transform: transform
        }, newDuration, easing, function() {

          
          if (index !== (keyframes.length - 1)) {
            self.playTween(element, type, keyframes, originX, originY, duration, (index + 1));
          }
        });
      }
    },

    /*
      Resets the illustration to the first keyframe

      @param {Object} element
      @param {String} type - "scale", "rotate", "translate"
      @param {Array}  keyframes
      @param {String} originX - "left", "right", "center"
      @param {String} originY - "top", "bottom", "center"
    */
    resetTween: function (element, type, keyframes, originX, originY) {
      var transform, translateX, translateY, rotationAngle, scaleX, scaleY;
      
      if (type === 'translate') {
        translateX = keyframes[0].x;
        translateY = keyframes[0].y;
        transform = 'T ' + translateX + ' ' + translateY;
      }

      else if (type === 'rotate') {
        rotationAngle = keyframes[0].angle;
        transform = 'R ' + rotationAngle + ' ' + originX + ' ' + originY;
      }

      else if (type === 'scale') {
        scaleX = keyframes[0].x;
        scaleY = keyframes[0].y;
        transform = 'S ' + scaleX + ' ' + scaleY + ' ' + originX + ' ' + originY;
      }

      element.transform(transform);
    },

    /*
      Translates the horizontal origin from a string to pixel value

      @param {Object}     Snap bBox
      @param {String}     "left", "right", "center"
      @return {Object}    pixel value
    */
    getOriginX: function (bBox, direction) {
      if (direction === 'left') {
        return bBox.x;
      }

      else if (direction === 'center') {
        return bBox.cx;
      }

      else if (direction === 'right') {
        return bBox.x2;
      }
    },

    /*
      Translates the vertical origin from a string to pixel value

      @param {Object}     Snap bBox
      @param {String}     "top", "bottom", "center"
      @return {Object}    pixel value
    */
    getOriginY: function (bBox, direction) {
      if (direction === 'top') {
        return bBox.y;
      }

      else if (direction === 'center') {
        return bBox.cy;
      }

      else if (direction === 'bottom') {
        return bBox.y2;
      }
    }
  };

  /*
    Merges two objects together
    @param {Object} a 
    @param {Object} b
    @return {Object} sum
    http://stackoverflow.com/questions/11197247/javascript-equivalent-of-jquerys-extend-method
  */
  function extend(a, b) {
    for (var key in b) { 
      if (b.hasOwnProperty(key)) {
        a[key] = b[key];
      }
    }

    return a;
  }

  // Add to namespace
  window.svgTween = svgTween;
})(window);

(function() {
  var backpack = new svgAnimation({
    canvas: new Snap('#canvas'),
    svg: 'https://raw.githubusercontent.com/hellomichael/svgAnimation/master/example/svg/backpack.svg',
    data: 'https://raw.githubusercontent.com/hellomichael/svgAnimation/master/example/json/backpack.json',
    duration: 2000,
    steps: 10
  });
})();
            
          
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999px
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