完善数据操作接口

Demo/Scripts/Demo_PieChart.cs

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+using UnityEngine;
+using XCharts;
+
+public class Demo_PieChart : MonoBehaviour
+{
+    private PieChart chart;
+    private float time;
+    private int count = 0;
+
+    private void Awake()
+    {
+        chart = transform.GetComponent<PieChart>();
+        chart.ClearData();
+    }
+
+    private void Update()
+    {
+        time += Time.deltaTime;
+        if(time > 1 )
+        {
+            time = 0;
+            if(count < 5)
+            {
+                chart.AddData("time" + count, Random.Range(10, 100));
+            }
+            else
+            {
+                int index = count % 5;
+                chart.UpdateData("time" + index, Random.Range(10, 100));
+            }
+            count++;
+        }
+    }
+}

Demo/Scripts/Demo_PieChart.cs.meta

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+guid: 1f0aafe148c9e4f4dbf24fc6542722fa
+timeCreated: 1557832345
+licenseType: Free
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+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
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