text: /*
  Copyright (c) 2017 Niklas Knaack
  https://github.com/NiklasKnaack/jquery-svg3dtagcloud-plugin
  
  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:
  
  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.
  
  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.
  */
  function SVG3DTagCloud(element, params) {
    // requestAnimateFrame Id
    let rafId = null
    var settings = {
      entries: [],
      width: 480,
      height: 480,
      radius: '70%',
      radiusMin: 75,
      bgDraw: true,
      bgColor: '#000',
      opacityOver: 1.0,
      opacityOut: 0.05,
      opacitySpeed: 6,
      fov: 800,
      speed: 2,
      fontFamily: 'Arial, sans-serif',
      fontSize: '15',
      fontColor: '#fff',
      fontWeight: 'normal', // bold
      fontStyle: 'normal', // italic
      fontStretch: 'normal', // wider, narrower, ultra-condensed, extra-condensed, condensed, semi-condensed, semi-expanded, expanded, extra-expanded, ultra-expanded
      fontToUpperCase: false,
      tooltipFontFamily: 'Arial, sans-serif',
      tooltipFontSize: '15',
      tooltipFontColor: '#fff',
      tooltipFontWeight: 'normal', // bold
      tooltipFontStyle: 'normal', // italic
      tooltipFontStretch: 'normal', // wider, narrower, ultra-condensed, extra-condensed, condensed, semi-condensed, semi-expanded, expanded, extra-expanded, ultra-expanded
      tooltipFontToUpperCase: false,
      tooltipTextAnchor: 'left',
      tooltipDiffX: 0,
      tooltipDiffY: 10,
      entryType: 'link',
      colors: null
    };
  
    if (params !== undefined) {
      for (var prop in params) {
        if (params.hasOwnProperty(prop) && settings.hasOwnProperty(prop)) {
          settings[prop] = params[prop];
        }
      }
    }
  
    if (!settings.entries.length) return false;
  
    var entryHolder = [];
    var tooltip;
  
    var radius;
    var diameter;
  
    var mouseReact = true;
    var mousePos = { x: 0, y: 0 };
  
    var center2D = {x: 0, y: 0};
    var center3D = { x: 0, y: 0, z: 0 };
  
    var speed = { x: 0, y: 0 };
  
    var position = { sx: 0, cx: 0, sy: 0, cy: 0 };
  
    var MATHPI180 = Math.PI / 180;
  
    var svg;
    var svgNS = 'http://www.w3.org/2000/svg';
  
    var bg;
  
    function init() {
      svg = document.createElementNS(svgNS, 'svg');
      svg.addEventListener('mousemove', mouseMoveHandler);
  
      element.appendChild(svg);
  
      if (settings.bgDraw) {
        bg = document.createElementNS(svgNS, 'rect');
        bg.setAttribute('x', 0);
        bg.setAttribute('y', 0);
        bg.setAttribute('fill', settings.bgColor);
        svg.appendChild(bg);
      }
  
      addEntries();
      reInit();
      animloop();
  
      window.addEventListener('resize', resizeHandler);
      return {
        clear
      }
    }
  
    function getRandomColor() {
      var colors = settings.colors;
      if (colors && colors instanceof Array) {
        return colors[Math.round(Math.random() * colors.length) - 1];
      }
      return colors;
    }
  
    function reInit() {
      var windowWidth =
        window.innerWidth ||
        document.documentElement.clientWidth ||
        document.body.clientWidth;
      var windowHeight =
        window.innerHeight ||
        document.documentElement.clientHeight ||
        document.body.clientHeight;
  
      var svgWidth = windowWidth;
      var svgHeight = windowHeight;
  
      if (
        settings.width.toString().indexOf('%') > 0 ||
        settings.height.toString().indexOf('%') > 0
      ) {
        svgWidth = Math.round(
          (element.offsetWidth / 100) * parseInt(settings.width)
        );
        svgHeight = Math.round((svgWidth / 100) * parseInt(settings.height));
      } else {
        svgWidth = parseInt(settings.width);
        svgHeight = parseInt(settings.height);
      }
  
      if (windowWidth <= svgWidth) svgWidth = windowWidth;
  
      if (windowHeight <= svgHeight) svgHeight = windowHeight;
  
      center2D = { x: svgWidth / 2, y: svgHeight / 2 };
  
      speed.x = settings.speed / center2D.x;
      speed.y = settings.speed / center2D.y;
  
      if (svgWidth >= svgHeight) {
        diameter = (svgHeight / 100) * parseInt(settings.radius);
      } else diameter = (svgWidth / 100) * parseInt(settings.radius);
  
      if (diameter < 1) diameter = 1;
  
      radius = diameter / 2;
  
      if (radius < settings.radiusMin) {
        radius = settings.radiusMin;
        diameter = radius * 2;
      }
  
      svg.setAttribute('width', svgWidth);
      svg.setAttribute('height', svgHeight);
  
      if (settings.bgDraw) {
        bg.setAttribute('width', svgWidth);
        bg.setAttribute('height', svgHeight);
      }
  
      setEntryPositions(radius);
    }
  
    function setEntryPositions(radius) {
      for (var i = 0, l = entryHolder.length; i < l; i++) {
        setEntryPosition(entryHolder[i], radius);
      }
    }
  
    function setEntryPosition(entry, radius) {
      var dx = entry.vectorPosition.x - center3D.x;
      var dy = entry.vectorPosition.y - center3D.y;
      var dz = entry.vectorPosition.z - center3D.z;
  
      var length = Math.sqrt(dx * dx + dy * dy + dz * dz);
  
      entry.vectorPosition.x /= length;
      entry.vectorPosition.y /= length;
      entry.vectorPosition.z /= length;
  
      entry.vectorPosition.x *= radius;
      entry.vectorPosition.y *= radius;
      entry.vectorPosition.z *= radius;
    }
  
    function addEntry(index, entryObj, x, y, z) {
      var entry = {};
  
      if (typeof entryObj.label != 'undefined') {
        entry.element = document.createElementNS(svgNS, 'text');
        entry.element.setAttribute('x', 0);
        entry.element.setAttribute('y', 0);
        if (entryObj.color) {
          entry.element.setAttribute('fill', entryObj.color);
        } else if (settings.colors) {
          entry.element.setAttribute('fill', getRandomColor());
        } else {
          entry.element.setAttribute('fill', settings.fontColor);
        }
        entry.element.setAttribute('font-family', settings.fontFamily);
        entry.element.setAttribute('font-size', entryObj.fontSize || settings.fontSize);
        entry.element.setAttribute('font-weight', settings.fontWeight);
        entry.element.setAttribute('font-style', settings.fontStyle);
        entry.element.setAttribute('font-stretch', settings.fontStretch);
        entry.element.setAttribute('text-anchor', 'middle');
        entry.element.textContent = settings.fontToUpperCase
          ? entryObj.label.toUpperCase()
          : entryObj.label;
      } else if (typeof entryObj.image != 'undefined') {
        entry.element = document.createElementNS(svgNS, 'image');
        entry.element.setAttribute('x', 0);
        entry.element.setAttribute('y', 0);
        entry.element.setAttribute('width', entryObj.width);
        entry.element.setAttribute('height', entryObj.height);
        entry.element.setAttribute('id', 'image_' + index);
        entry.element.setAttributeNS(
          'http://www.w3.org/1999/xlink',
          'href',
          entryObj.image
        );
  
        entry.diffX = entryObj.width / 2;
        entry.diffY = entryObj.height / 2;
      }
  
      if (settings.entryType !== 'text') {
        entry.link = document.createElementNS(svgNS, 'a');
        entry.link.setAttributeNS(
          'http://www.w3.org/1999/xlink',
          'xlink:href',
          entryObj.url
        );
        entry.link.setAttribute('target', entryObj.target);
        entry.link.addEventListener('mouseover', mouseOverHandler, true);
        entry.link.addEventListener('mouseout', mouseOutHandler, true);
        entry.link.appendChild(entry.element);
      }
  
      if (typeof entryObj.tooltip != 'undefined') {
        entry.tooltip = true;
        entry.tooltipLabel = settings.tooltipFontToUpperCase
          ? entryObj.tooltip.toUpperCase()
          : entryObj.tooltip;
      } else {
        entry.tooltip = false;
      }
  
      entry.index = index;
      entry.mouseOver = false;
  
      entry.vectorPosition = { x: x, y: y, z: z };
      entry.vector2D = { x: 0, y: 0 };
  
      svg.appendChild(entry.link ? entry.link : entry.element);
  
      return entry;
    }
  
    function addEntries() {
      var tooltip = false;
  
      for (var i = 1, l = settings.entries.length + 1; i < l; i++) {
        var phi = Math.acos(-1 + (2 * i) / l);
        var theta = Math.sqrt(l * Math.PI) * phi;
  
        var x = Math.cos(theta) * Math.sin(phi);
        var y = Math.sin(theta) * Math.sin(phi);
        var z = Math.cos(phi);
  
        var entry = addEntry(i - 1, settings.entries[i - 1], x, y, z);
  
        entryHolder.push(entry);
  
        if (typeof settings.entries[i - 1].tooltip != 'undefined') {
          tooltip = true;
        }
      }
  
      if (tooltip) {
        addTooltip();
      }
    }
  
    function addTooltip() {
      tooltip = document.createElementNS(svgNS, 'text');
      tooltip.setAttribute('x', 0);
      tooltip.setAttribute('y', 0);
      tooltip.setAttribute('fill', settings.tooltipFontColor);
      tooltip.setAttribute('font-family', settings.tooltipFontFamily);
      tooltip.setAttribute('font-size', settings.tooltipFontSize);
      tooltip.setAttribute('font-weight', settings.tooltipFontWeight);
      tooltip.setAttribute('font-style', settings.tooltipFontStyle);
      tooltip.setAttribute('font-stretch', settings.tooltipFontStretch);
      tooltip.setAttribute('text-anchor', settings.tooltipTextAnchor);
      tooltip.textContent = '';
  
      svg.appendChild(tooltip);
    }
  
    function getEntryByElement(element) {
      for (var i = 0, l = entryHolder.length; i < l; i++) {
        var entry = entryHolder[i];
  
        if (
          entry.element.getAttribute('x') === element.getAttribute('x') &&
          entry.element.getAttribute('y') === element.getAttribute('y')
        ) {
          return entry;
        }
      }
    }
  
    function highlightEntry(entry) {
      for (var i = 0, l = entryHolder.length; i < l; i++) {
        var e = entryHolder[i];
  
        if (e.index === entry.index) {
          e.mouseOver = true;
        } else {
          e.mouseOver = false;
        }
      }
    }
  
    function showTooltip(entry) {
      if (entry.tooltip) {
        tooltip.setAttribute('x', entry.vector2D.x - settings.tooltipDiffX);
        tooltip.setAttribute('y', entry.vector2D.y - settings.tooltipDiffY);
  
        tooltip.textContent = settings.tooltipFontToUpperCase
          ? entry.tooltipLabel.toUpperCase()
          : entry.tooltipLabel;
  
        tooltip.setAttribute('opacity', 1.0);
      }
    }
  
    function hideTooltip() {
      tooltip.setAttribute('opacity', 0.0);
    }
  
    function render() {
      var fx = speed.x * mousePos.x - settings.speed;
      var fy = settings.speed - speed.y * mousePos.y;
  
      var angleX = fx * MATHPI180;
      var angleY = fy * MATHPI180;
  
      position.sx = Math.sin(angleX);
      position.cx = Math.cos(angleX);
      position.sy = Math.sin(angleY);
      position.cy = Math.cos(angleY);
  
      for (var i = 0, l = entryHolder.length; i < l; i++) {
        var entry = entryHolder[i];
  
        if (mouseReact) {
          var rx = entry.vectorPosition.x;
          var rz =
            entry.vectorPosition.y * position.sy +
            entry.vectorPosition.z * position.cy;
  
          entry.vectorPosition.x = rx * position.cx + rz * position.sx;
          entry.vectorPosition.y =
            entry.vectorPosition.y * position.cy +
            entry.vectorPosition.z * -position.sy;
          entry.vectorPosition.z = rx * -position.sx + rz * position.cx;
        }
  
        var scale = settings.fov / (settings.fov + entry.vectorPosition.z);
        entry.vector2D.x = entry.vectorPosition.x * scale + center2D.x;
        entry.vector2D.y = entry.vectorPosition.y * scale + center2D.y;
  
        if (entry.diffX && entry.diffY) {
          entry.vector2D.x -= entry.diffX;
          entry.vector2D.y -= entry.diffY;
        }
  
        entry.element.setAttribute('x', entry.vector2D.x);
        entry.element.setAttribute('y', entry.vector2D.y);
  
        var opacity;
  
        if (mouseReact) {
          opacity = (radius - entry.vectorPosition.z) / diameter;
  
          if (opacity < settings.opacityOut) {
            opacity = settings.opacityOut;
          }
        } else {
          opacity = parseFloat(entry.element.getAttribute('opacity'));
  
          if (entry.mouseOver) {
            opacity += (settings.opacityOver - opacity) / settings.opacitySpeed;
          } else {
            opacity += (settings.opacityOut - opacity) / settings.opacitySpeed;
          }
        }
  
        entry.element.setAttribute('opacity', opacity);
      }
  
      entryHolder = entryHolder.sort(function(a, b) {
        return b.vectorPosition.z - a.vectorPosition.z;
      });
    }
  
    function animloop() {
      try {
        render();
      } catch (e) {
        clear()
        console.error(e)
        return
      }
      rafId = requestAnimationFrame(animloop);
    }
    function clear() {
      window.cancelAnimationFrame(rafId)
      window.removeEventListener('resize', resizeHandler)
      if (svg) {
        svg.removeEventListener('mousemove', mouseMoveHandler)
        svg = null
      }
    }
  
    function mouseOverHandler(event) {
      mouseReact = false;
  
      var entry = getEntryByElement(event.target);
  
      highlightEntry(entry);
  
      if (entry.tooltip) {
        showTooltip(entry);
      }
    }
  
    function mouseOutHandler(event) {
      mouseReact = true;
  
      var entry = getEntryByElement(event.target);
  
      if (entry.tooltip) {
        hideTooltip(entry);
      }
    }
  
    function mouseMoveHandler(event) {
      mousePos = getMousePos(svg, event);
    }
  
    function getMousePos(svg, event) {
      var rect = svg.getBoundingClientRect();
  
      return {
        x: event.clientX - rect.left,
        y: event.clientY - rect.top
      };
    }
  
    function resizeHandler(event) {
      reInit();
    }
  
    return init();
  }
  
  export default SVG3DTagCloud
  