增加Animation的customFadeInDelay等自定义数据项延时和时长回调函数

Examples/Runtime/Example03_ChartAnimation.cs

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+/******************************************/
+/*                                        */
+/*     Copyright (c) 2018 monitor1394     */
+/*     https://github.com/monitor1394     */
+/*                                        */
+/******************************************/
+
+using UnityEngine;
+
+namespace XCharts.Examples
+{
+    [DisallowMultipleComponent]
+    [ExecuteInEditMode]
+    public class Example03_ChartAnimation : MonoBehaviour
+    {
+        BaseChart chart;
+
+        void Awake()
+        {
+            chart = gameObject.GetComponent<BaseChart>();
+            if (chart == null)
+            {
+                chart = gameObject.AddComponent<BarChart>();
+            }
+            var serie = chart.series.GetSerie(0);
+            serie.animation.enable = true;
+            //自定义每个数据项的渐入延时
+            serie.animation.customFadeInDelay = CustomFadeInDelay;
+            //自定义每个数据项的渐入时长
+            serie.animation.customFadeInDuration = CustomFadeInDuration;
+        }
+
+        float CustomFadeInDelay(int dataIndex)
+        {
+            return dataIndex * 1000;
+        }
+
+        float CustomFadeInDuration(int dataIndex)
+        {
+            return dataIndex * 1000 + 1000;
+        }
+    }
+}

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