eight.html 8.2 KB
<!DOCTYPE html>
<html style="height: 100%;width: 100%;">

<head>
  <script src="ue.js"></script>
  <meta charset="utf-8">
</head>

<body style="height: 100%;width: 100%; margin: 0;font-size:1rem;line-height:150%;overflow-y: hidden;overflow-x:hidden;">
  <div id="container" style="height: 100%;width: 100%;"></div>


  <script type="text/javascript" src="echarts-gl.min.js"></script>
  <script type="text/javascript" src="echarts-gl.js"></script>

  <script type="text/javascript">



    var chartDom = document.getElementById('main');
    var myChart = echarts.init(chartDom, 'dark');
    var option;

    // 生成扇形的曲面参数方程,用于 series-surface.parametricEquation
    function getParametricEquation(
      startRatio,
      endRatio,
      isSelected,
      isHovered,
      k,
      h
    ) {
      // 计算
      const midRatio = (startRatio + endRatio) / 2;
      const startRadian = startRatio * Math.PI * 2;
      const endRadian = endRatio * Math.PI * 2;
      const midRadian = midRatio * Math.PI * 2;
      // 如果只有一个扇形,则不实现选中效果。
      if (startRatio === 0 && endRatio === 1) {
        isSelected = false;
      }
      // 通过扇形内径/外径的值,换算出辅助参数 k(默认值 1/3)
      k = 1;
      // 计算选中效果分别在 x 轴、y 轴方向上的位移(未选中,则位移均为 0)
      const offsetX = isSelected ? Math.cos(midRadian) * 0.1 : 0;
      const offsetY = isSelected ? Math.sin(midRadian) * 0.1 : 0;
      // 计算高亮效果的放大比例(未高亮,则比例为 1)
      const hoverRate = isHovered ? 1.05 : 1;
      // 返回曲面参数方程
      return {
        u: {
          min: -Math.PI,
          max: Math.PI * 3,
          step: Math.PI / 32
        },
        v: {
          min: 0,
          max: Math.PI * 2,
          step: Math.PI / 20
        },
        x: function (u, v) {
          if (u < startRadian) {
            return (
              offsetX + Math.cos(startRadian) * (1 + Math.cos(v) * k) * hoverRate
            );
          }
          if (u > endRadian) {
            return (
              offsetX + Math.cos(endRadian) * (1 + Math.cos(v) * k) * hoverRate
            );
          }
          return offsetX + Math.cos(u) * (1 + Math.cos(v) * k) * hoverRate;
        },
        y: function (u, v) {
          if (u < startRadian) {
            return (
              offsetY + Math.sin(startRadian) * (1 + Math.cos(v) * k) * hoverRate
            );
          }
          if (u > endRadian) {
            return (
              offsetY + Math.sin(endRadian) * (1 + Math.cos(v) * k) * hoverRate
            );
          }
          return offsetY + Math.sin(u) * (1 + Math.cos(v) * k) * hoverRate;
        },
        z: function (u, v) {
          if (u < -Math.PI * 0.5) {
            return Math.sin(u);
          }
          if (u > Math.PI * 2.5) {
            return Math.sin(u) * h * 0.1;
          }
          return Math.sin(v) > 0 ? 1 * h * 0.1 : -1;
        }
      };
    }

    /**
     * 绘制3d图
     * @param pieData 总数据
     * @param internalDiameterRatio:透明的空心占比
     * @param distance 视角到主体的距离
     * @param alpha 旋转角度
     * @param pieHeight 立体的高度
     * @param opacity 饼或者环的透明度
     */
    function getPie3D(
      pieData,
      internalDiameterRatio,
      distance,
      alpha,
      pieHeight,
      opacity = 1
    ) {
      const series = [];
      let sumValue = 0;
      let startValue = 0;
      let endValue = 0;
      const legendData = [];
      const k =
        typeof internalDiameterRatio !== 'undefined'
          ? (1 - internalDiameterRatio) / (1 + internalDiameterRatio)
          : 1 / 3;
      // 为每一个饼图数据,生成一个 series-surface 配置
      for (let i = 0; i < pieData.length; i += 1) {
        sumValue += pieData[i].value;
        const seriesItem = {
          name:
            typeof pieData[i].name === 'undefined' ? `series${i}` : pieData[i].name,
          type: 'surface',
          parametric: true,
          wireframe: {
            show: false
          },
          pieData: pieData[i],
          pieStatus: {
            selected: false,
            hovered: false,
            k: k
          }
        };
        if (typeof pieData[i].itemStyle !== 'undefined') {
          const itemStyle = {};
          if (typeof pieData[i].itemStyle.color !== 'undefined') {
            itemStyle.color = pieData[i].itemStyle.color;
          }
          if (typeof pieData[i].itemStyle.opacity !== 'undefined') {
            itemStyle.opacity = pieData[i].itemStyle.opacity;
          }
          seriesItem.itemStyle = itemStyle;
        }
        series.push(seriesItem);
      }
      // 使用上一次遍历时,计算出的数据和 sumValue,调用 getParametricEquation 函数,
      // 向每个 series-surface 传入不同的参数方程 series-surface.parametricEquation,也就是实现每一个扇形。
      for (let i = 0; i < series.length; i += 1) {
        endValue = startValue + series[i].pieData.value;
        series[i].pieData.startRatio = startValue / sumValue;
        series[i].pieData.endRatio = endValue / sumValue;
        console.log(
          series[i].pieData.startRatio,
          series[i].pieData.endRatio,
          false,
          false,
          k,
          series[i].pieData.value
        );
        series[i].parametricEquation = getParametricEquation(
          series[i].pieData.startRatio,
          series[i].pieData.endRatio,
          false,
          false,
          k,
          series[i].pieData.value
        );
        startValue = endValue;
        legendData.push(series[i].name);
      }
      return series;
    }

    const optionsData = [
      {
        name: 'aa',
        value: 20,
        itemStyle: {
          color: '#41adf8'
          // opacity: 1,
        }
      },
      {
        name: 'cc',
        value: 25,
        itemStyle: {
          color: '#ffa100'
          // opacity: 1,
        }
      },
      {
        name: 'bb',
        value: 22,
        itemStyle: {
          color: '#2acf81'
          // opacity: 1,
        }
      }
    ];

    const series = getPie3D(optionsData, 0.8, 20, 24, 26, 0.5);

    series.push({
      name: 'pie2d',
      type: 'pie',
      label: {
        opacity: 1,
        fontSize: 13,
        lineHeight: 20
      },
      labelLine: {
        length: 30,
        length2: 30
      },
      startAngle: -30, //起始角度,支持范围[0, 360]。
      clockwise: false, //饼图的扇区是否是顺时针排布。上述这两项配置主要是为了对齐3d的样式
      radius: ['20%', '50%'],
      center: ['50%', '50%'],
      data: optionsData,
      itemStyle: {
        opacity: 0
      }
    });

    option = {
      legend: {
        tooltip: {
          show: true
        },
        data: ['aa', 'bb', 'cc'],
        bottom: '10%',
        textStyle: {
          color: '#fff',
          fontSize: 12
        }
      },
      tooltip: {
        formatter: (params) => {
          if (
            params.seriesName !== 'mouseoutSeries' &&
            params.seriesName !== 'pie2d'
          ) {
            let bfb = (
              (option.series[params.seriesIndex].pieData.endRatio -
                option.series[params.seriesIndex].pieData.startRatio) *
              100
            ).toFixed(2);

          }
        }
      },

      xAxis3D: {
        min: -1,
        max: 1
      },
      yAxis3D: {
        min: -1,
        max: 1
      },
      zAxis3D: {
        min: -1,
        max: 1
      },
      grid3D: {
        show: false,
        boxHeight: 20, // 三维笛卡尔坐标系在三维场景中的高度
        viewControl: {
          alpha: 25,
          beta: 40,
          distance: 500, //调整视角到主体的距离,类似调整zoom
          rotateSensitivity: 0, // 设置为0无法旋转
          zoomSensitivity: 0, // 设置为0无法缩放
          panSensitivity: 0, // 设置为0无法平移
          autoRotate: true // 自动旋转
        }
      },
      series: series

    };


    if (option && typeof option === 'object') {

    }
    myChart.setOption(option);





    ue.interface.setEchatsValue = function (s) {
      eacharsassignment(s);
      console.log(s);
    }
  </script>
</body>

</html>