CSS 3D动画图表

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css

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html

css

@font-face {
  font-family: 'Cabin';
  font-style: italic;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/cabin/v18/u-4V0qWljRw-Pd815fNqc8T_wAFcX-c37MPiNYlWniJ2hJXHx_KVxUbq.ttf) format('truetype');
}
@font-face {
  font-family: 'Cabin';
  font-style: normal;
  font-weight: 400;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/cabin/v18/u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkV2EH7alwg.ttf) format('truetype');
}
@font-face {
  font-family: 'Cabin';
  font-style: normal;
  font-weight: 700;
  font-stretch: normal;
  src: url(https://fonts.gstatic.com/s/cabin/v18/u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkbqDH7alwg.ttf) format('truetype');
}
body,
input,
button,
textarea,
select {
  font: 16px Cabin;
  color: #bdbebf;
  background: #1F1F1F;
}
figure {
  text-align: center;
}
[peak-chart] {
  position: relative;
  display: inline-block;
  width: 240px;
  height: 240px;
  border-radius: 120px;
  margin-top: 120px;
  -webkit-transform: rotateX(45deg);
  -moz-transform: rotateX(45deg);
  -ms-transform: rotateX(45deg);
  transform: rotateX(45deg);
}
[peak-chart],
[peak-chart] * {
  -webkit-transform-style: preserve-3d;
  -moz-transform-style: preserve-3d;
  -ms-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
[peak-chart] > [face] {
  position: absolute;
  bottom: 50%;
  left: 50%;
  width: 120px;
  height: 120px;
  -webkit-transform-origin: 0 100%;
  -moz-transform-origin: 0 100%;
  -ms-transform-origin: 0 100%;
  transform-origin: 0 100%;
  -webkit-transition: all 0.25s ease-in;
  -moz-transition: all 0.25s ease-in;
  transition: all 0.25s ease-in;
}
[peak-chart] > [face]:nth-child(1) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(192, 60%, 50%), hsl(192, 60%, 50%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(192, 60%, 50%), hsl(192, 60%, 50%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(2) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(192, 60%, 60%), hsl(192, 60%, 60%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(192, 60%, 60%), hsl(192, 60%, 60%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(3) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(207, 60%, 50%), hsl(207, 60%, 50%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(207, 60%, 50%), hsl(207, 60%, 50%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(4) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(207, 60%, 60%), hsl(207, 60%, 60%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(207, 60%, 60%), hsl(207, 60%, 60%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(5) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(234, 32%, 50%), hsl(234, 32%, 50%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(234, 32%, 50%), hsl(234, 32%, 50%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(6) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(234, 32%, 60%), hsl(234, 32%, 60%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(234, 32%, 60%), hsl(234, 32%, 60%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(7) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(345, 58%, 50%), hsl(345, 58%, 50%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(345, 58%, 50%), hsl(345, 58%, 50%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(8) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(345, 58%, 60%), hsl(345, 58%, 60%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(345, 58%, 60%), hsl(345, 58%, 60%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(9) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(185, 27%, 50%), hsl(185, 27%, 50%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(185, 27%, 50%), hsl(185, 27%, 50%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(10) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(185, 27%, 60%), hsl(185, 27%, 60%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(185, 27%, 60%), hsl(185, 27%, 60%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(11) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(298, 29%, 50%), hsl(298, 29%, 50%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(298, 29%, 50%), hsl(298, 29%, 50%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(12) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(298, 29%, 60%), hsl(298, 29%, 60%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(298, 29%, 60%), hsl(298, 29%, 60%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(13) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(220, 6%, 80%), hsl(220, 6%, 80%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(220, 6%, 80%), hsl(220, 6%, 80%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(14) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(220, 6%, 90%), hsl(220, 6%, 90%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(220, 6%, 90%), hsl(220, 6%, 90%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(15) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(220, 6%, 80%), hsl(220, 6%, 80%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(220, 6%, 80%), hsl(220, 6%, 80%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(16) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(220, 6%, 90%), hsl(220, 6%, 90%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(220, 6%, 90%), hsl(220, 6%, 90%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(17) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(220, 6%, 80%), hsl(220, 6%, 80%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(220, 6%, 80%), hsl(220, 6%, 80%) 50%, transparent 50%);
}
[peak-chart] > [face]:nth-child(18) {
  background-image: -webkit-linear-gradient(bottom right, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), -webkit-linear-gradient(bottom right, hsl(220, 6%, 90%), hsl(220, 6%, 90%) 50%, transparent 50%);
  background-image: linear-gradient(to top left, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.25) 50%, transparent 50%), linear-gradient(to top left, hsl(220, 6%, 90%), hsl(220, 6%, 90%) 50%, transparent 50%);
}
[peak-chart] > label {
  position: absolute;
  font-weight: bold;
  font-size: 90%;
  -webkit-transition: all 0.25s ease-in;
  -moz-transition: all 0.25s ease-in;
  transition: all 0.25s ease-in;
}
[peak-chart] > label:before {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 3px;
  background-image: -webkit-linear-gradient(top right, hsl(207.00000000000006, 60%, 89.99999999999999%), hsl(207.00000000000003, 59.999999999999986%, 60%));
  background-image: linear-gradient(to bottom left, hsl(207.00000000000006, 60%, 89.99999999999999%), hsl(207.00000000000003, 59.999999999999986%, 60%));
}
[peak-chart] > label[point=bottomright] {
  padding-right: 6px;
  padding-bottom: 9px;
}
[peak-chart] > label[point=bottomright]:before {
  right: -3px;
  bottom: 3px;
}
[peak-chart] > label[point=bottomleft] {
  padding-left: 6px;
  padding-bottom: 9px;
}
[peak-chart] > label[point=bottomleft]:before {
  left: -3px;
  bottom: 3px;
}
[peak-chart] > label[point=topleft] {
  padding-left: 4px;
  padding-top: 4px;
}
[peak-chart] > label[point=topleft]:before {
  left: -3px;
  top: -3px;
}
[peak-chart] > label[point=topright] {
  padding-right: 4px;
  padding-top: 4px;
}
[peak-chart] > label[point=topright]:before {
  right: -3px;
  top: -3px;
}
figcaption {
  line-height: 36px;
  font-style: italic;
}
figcaption button {
  background: none;
  border: 1px solid lightgray;
  cursor: pointer;
  font-size: 90%;
  margin: 0;
  padding: 1px 0.5em 0;
  line-height: 1.3;
  border-radius: 0.5em;
  vertical-align: text-top;
}
figcaption button:hover {
  background: rgba(0, 0, 0, 0.04);
}

JavaScript

// vim: et:sts=2:sw=2

var angular = window.angular
  , console = window.console;

angular.module('myApp', []).

directive('peakChart', ['$window', function($win) {
  var PI   = Math.PI
    , sin  = Math.sin
    , cos  = Math.cos
    , tan  = Math.tan
    , atan = Math.atan
    , acos = Math.acos
    , sqrt = Math.sqrt
    , pow  = Math.pow
    , abs  = Math.abs
    , rSkRo = /^(?:sk|ro)/;
  
  return {
    link: function(scope, elm, attrs) {
      var faces  = elm[0].querySelectorAll('[face]')
        , labels = elm[0].getElementsByTagName('label')
        , r      = elm[0].offsetWidth / 2
        , charth = 1.5 * r; // max height of peaks: revisit

scope.$watch(attrs.data, function(data) {
        var sum = 0;
        angular.forEach(data, function(d) { sum += d; });
        
        // iterate slices
        for (var i=0, face; (face = faces[2*i]); i++) {
          var bkFace   = faces[2*i + 1]
           //
           // split the peaks evenly around the graph
           //
            , slice    = 2 * PI / (faces.length/2)
            , npos     = i * slice - PI
           //
           // give the slice height based on data - assume data values are percentages
           // also, tone down the peaks in front (HACK)
           //
            , val      = (i >= 4 ? data[i] * 0.6 : data[i])
            , h        = val * charth / 100
           //
           // face angle - each face covers half the slice
           //
            , fang     = slice/2
           // 
           // we want the faces to meet at a point "h" pixels above the
           // midpoint of the slice's arc
           //
            , chord    = 2 * r * sin(fang/2)
           //
           // chord's angle with radius
           //  
            , chang    = (PI - fang) / 2
           //
           // altitude from radius to arc midpoint
           //
            , alt2mp   = chord * sin(chang)

, slope    = atan(h / alt2mp)
            , slopeLen = sqrt(pow(h,2) + pow(alt2mp,2))
           //
           // the radial triangles are half squares so h = r
           //
            , scaleY   = slopeLen / r
            , skew     = atan(chord * cos(chang) / slopeLen)
            ;
          
          setTransform(face,
            'translateZ', 2,
            'rotateZ',    npos,
            'rotateX',    slope - Math.PI,
            'skewX',      skew,
            'scaleY',     scaleY
          );
          
          setTransform(bkFace,
            'translateZ', 2,
            'rotateZ',    npos + slice,
            'rotateX',    -slope,
            'skewX',      skew,
            'scaleY',     scaleY
          );

var lbl = labels[i];
          lbl.textContent = Math.round(val);

var rlbl   = r
            , nlbl   = -npos - slice/2
            , lblx   = rlbl * cos(nlbl)
            , lbly   = rlbl * sin(nlbl)
            , lblxat = lblx > 0 ? 'left'   : 'right'
            , lblyat = lbly > 0 ? 'bottom' : 'top';

lbl.style[lblxat] = r + abs(lblx) + 'px';
          lbl.style[lblyat] = r + abs(lbly) + 15 + 'px';
          lbl.setAttribute('point', lblyat + lblxat); // e.g., [point=topleft]

if (i < 5) {
            setTransform(lbl,
              'rotateX',    deg(-45)
            , 'translateY', -(h / sqrt(2))
            , 'translateZ', h / sqrt(2)
            );
          }
        }
        
      }, /* deep */ true);
    }
  };
  
  function rad(x) {
    return (Math.round(x * 1000) / 1000) + 'rad';
  }
  
  
  function setTransform(node) {
    var ns = node.style, trans = '';
    for (var i=1, l=arguments.length; i < l; i += 2) {
      var nm = arguments[i], val = arguments[i+1];
      trans += nm + '(' + (
          rSkRo.test(nm) ? rad(val)
        : nm.slice(0, 2) === 'tr' ? val + 'px'
        : val) + ') ';
    }
    ns.webkitTransform =
      ns.mozTransform =
      ns.msTransform =
      ns.transform = trans;
  }

function deg(x) {
      return { valueOf: function() { return x * PI / 180; } };
  }
  
}]);

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