XCharts/Demo/Scripts/Demo30_PieChart.cs

using System.Collections;
using UnityEngine;
using XCharts;

[DisallowMultipleComponent]
public class Demo30_PieChart : MonoBehaviour
{
    private PieChart chart;
    private Serie serie, serie1;
    private float m_RadiusSpeed = 100f;
    private float m_CenterSpeed = 1f;

    void Awake()
    {
        LoopDemo();
    }

    private void OnEnable()
    {
        LoopDemo();
    }

    void LoopDemo()
    {
        StopAllCoroutines();
        StartCoroutine(PieDemo());
    }

    IEnumerator PieDemo()
    {
        StartCoroutine(PieAdd());
        yield return new WaitForSeconds(2);
        StartCoroutine(PieShowLabel());
        yield return new WaitForSeconds(4);
        StartCoroutine(Doughnut());
        yield return new WaitForSeconds(3);
        StartCoroutine(DoublePie());
        yield return new WaitForSeconds(2);
        StartCoroutine(RosePie());
        yield return new WaitForSeconds(5);
        LoopDemo();
    }

    IEnumerator PieAdd()
    {
        chart = gameObject.GetComponent<PieChart>();
        if (chart == null) chart = gameObject.AddComponent<PieChart>();
        chart.title.text = "PieChart - 饼图";
        chart.title.subText = "基础饼图";

        chart.legend.show = true;
        chart.legend.location.align = Location.Align.TopLeft;
        chart.legend.location.top = 60;
        chart.legend.location.left = 2;
        chart.legend.itemWidth = 70;
        chart.legend.itemHeight = 20;
        chart.legend.orient = Orient.Vertical;

        chart.RemoveData();
        serie = chart.AddSerie(SerieType.Pie, "访问来源");
        serie.pieRadius[0] = 0;
        serie.pieRadius[1] = 110;
        serie.pieCenter[0] = 0.5f;
        serie.pieCenter[1] = 0.4f;
        chart.AddData(0, 335, "直接访问");
        chart.AddData(0, 310, "邮件营销");
        chart.AddData(0, 243, "联盟广告");
        chart.AddData(0, 135, "视频广告");
        chart.AddData(0, 1548, "搜索引擎");
        chart.RefreshLabel();
        yield return new WaitForSeconds(1);
    }

    IEnumerator PieShowLabel()
    {
        chart.title.subText = "显示文本标签";

        serie.label.show = true;
        chart.RefreshChart();
        yield return new WaitForSeconds(1);
        serie.label.lineType = SerieLabel.LineType.Curves;
        chart.RefreshChart();

        yield return new WaitForSeconds(1);
        serie.label.lineType = SerieLabel.LineType.HorizontalLine;
        chart.RefreshChart();

        yield return new WaitForSeconds(1);
        serie.label.lineType = SerieLabel.LineType.BrokenLine;
        chart.RefreshChart();

        yield return new WaitForSeconds(1);
        serie.label.show = false;
        chart.RefreshChart();
    }

    IEnumerator Doughnut()
    {
        chart.title.subText = "圆环图";
        serie.pieRadius[0] = 2f;
        while (serie.pieRadius[0] < serie.pieRadius[1] * 0.7f)
        {
            serie.pieRadius[0] += m_RadiusSpeed * Time.deltaTime;
            chart.RefreshChart();
            yield return null;
        }
        serie.pieSpace = 1f;
        chart.RefreshChart();
        yield return new WaitForSeconds(1);

        serie.data[0].selected = true;
        chart.RefreshChart();
        yield return new WaitForSeconds(1);

        serie.pieSpace = 0f;
        serie.data[0].selected = false;
        chart.RefreshChart();
        yield return new WaitForSeconds(1);
    }

    IEnumerator DoublePie()
    {
        chart.title.subText = "多图组合";

        serie1 = chart.AddSerie(SerieType.Pie, "访问来源2");
        chart.AddData(1, 335, "直达");
        chart.AddData(1, 679, "营销广告");
        chart.AddData(1, 1548, "搜索引擎");
        serie1.pieRadius[0] = 0;
        serie1.pieRadius[1] = 2f;
        serie1.pieCenter[0] = 0.5f;
        serie1.pieCenter[1] = 0.4f;
        chart.RefreshChart();
        while (serie1.pieRadius[1] < serie.pieRadius[0] * 0.75f)
        {
            serie1.pieRadius[1] += m_RadiusSpeed * Time.deltaTime;
            chart.RefreshChart();
            yield return null;
        }

        serie1.label.show = true;
        serie1.label.position = SerieLabel.Position.Inside;
        serie1.label.color = Color.white;
        serie1.label.fontSize = 14;
        serie1.label.border = false;

        chart.RefreshLabel();
        chart.RefreshChart();
        yield return new WaitForSeconds(1);
    }

    IEnumerator RosePie()
    {
        chart.title.subText = "玫瑰图";
        chart.legend.show = false;
        serie1.ClearData();
        serie.ClearData();
        serie1.pieRadius = serie.pieRadius = new float[2] { 0, 80 };
        serie1.label.position = SerieLabel.Position.Outside;
        serie1.label.lineType = SerieLabel.LineType.Curves;
        serie1.label.color = Color.clear;
        for (int i = 0; i < 2; i++)
        {
            chart.AddData(i, 10, "rose1");
            chart.AddData(i, 5, "rose2");
            chart.AddData(i, 15, "rose3");
            chart.AddData(i, 25, "rose4");
            chart.AddData(i, 20, "rose5");
            chart.AddData(i, 35, "rose6");
            chart.AddData(i, 30, "rose7");
            chart.AddData(i, 40, "rose8");
        }

        while (serie.pieCenter[0] > 0.25f || serie1.pieCenter[0] < 0.7f)
        {
            if (serie.pieCenter[0] > 0.25f) serie.pieCenter[0] -= m_CenterSpeed * Time.deltaTime;
            if (serie1.pieCenter[0] < 0.7f) serie1.pieCenter[0] += m_CenterSpeed * Time.deltaTime;
            chart.RefreshChart();
            yield return null;
        }
        yield return new WaitForSeconds(1);
        while (serie.pieRadius[0] > 3f)
        {
            serie.pieRadius[0] -= m_RadiusSpeed * Time.deltaTime;
            serie1.pieRadius[0] -= m_RadiusSpeed * Time.deltaTime;
            chart.RefreshChart();
            yield return null;
        }

        serie.pieRadius[0] = 0;
        serie1.pieRadius[0] = 0;
        serie.pieRoseType = RoseType.Area;
        serie1.pieRoseType = RoseType.Radius;
        chart.RefreshChart();
        yield return new WaitForSeconds(1);
    }
}