Function calculateRealTime

Sortable.js:678–680

(animatingRect, fromRect, toRect, options)

    return target.offsetWidth;
  }
  function calculateRealTime(animatingRect, fromRect, toRect, options) {
    return Math.sqrt(Math.pow(fromRect.top - animatingRect.top, 2) + Math.pow(fromRect.left - animatingRect.left, 2)) / Math.sqrt(Math.pow(fromRect.top - toRect.top, 2) + Math.pow(fromRect.left - toRect.left, 2)) * options.animation;
  }

  var plugins = [];
  var defaults = {