移除Pie组件，相关参数放到Settings中配置

Scripts/UI/Component/Main/Pie.cs

@@ -1,38 +0,0 @@
-using UnityEngine;
-
-namespace XCharts
-{
-    /// <summary>
-    /// the global setting of pie chart.
-    /// 饼图的全局设置。
-    /// </summary>
-    [System.Serializable]
-    public class Pie : MainComponent
-    {
-        [SerializeField] private float m_TooltipExtraRadius;
-        [SerializeField] private float m_SelectedOffset;
-        /// <summary>
-        /// the extra dadius of pie chart when the tooltip indicatored pie.
-        /// 提示框指示时的额外半径。
-        /// </summary>
-        public float tooltipExtraRadius { get { return m_TooltipExtraRadius; } set { m_TooltipExtraRadius = value; } }
-        /// <summary>
-        /// the offset of pie when the pie item is selected.
-        /// 饼图项被选中时的偏移。
-        /// </summary>
-        public float selectedOffset { get { return m_SelectedOffset; } set { m_SelectedOffset = value; } }
-
-        public static Pie defaultPie
-        {
-            get
-            {
-                var pie = new Pie
-                {
-                    m_TooltipExtraRadius = 10f,
-                    m_SelectedOffset = 10f,
-                };
-                return pie;
-            }
-        }
-    }
-}

Scripts/UI/Component/Main/Pie.cs.meta

@@ -1,11 +0,0 @@
-fileFormatVersion: 2
-guid: ca364d90ce5fe4605a382e9af984757f
-MonoImporter:
-  externalObjects: {}
-  serializedVersion: 2
-  defaultReferences: []
-  executionOrder: 0
-  icon: {instanceID: 0}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Scripts/UI/Component/Main/Settings.cs

@@ -15,6 +15,8 @@ namespace XCharts
         [SerializeField] [Range(1f, 20)] protected float m_LineSegmentDistance = 3f;
         [SerializeField] [Range(1, 10)] protected float m_CicleSmoothness = 2f;
         [SerializeField] [Range(10, 50)] protected float m_VisualMapTriangeLen = 20f;
+        [SerializeField] [Range(1, 20)] protected float m_PieTooltipExtraRadius = 8f;
+        [SerializeField] [Range(1, 20)] protected float m_PieSelectedOffset = 8f;
 
         /// <summary>
         /// Curve smoothing factor. By adjusting the smoothing coefficient, the curvature of the curve can be changed, 
@@ -47,6 +49,14 @@ namespace XCharts
         /// </summary>
         /// <value></value>
         public float visualMapTriangeLen { get { return m_VisualMapTriangeLen; } set { m_VisualMapTriangeLen = value <= 0 ? 1f : value; } }
+        /// <summary>
+        /// 饼图鼠标移到高亮时的额外半径
+        /// </summary>
+        public float pieTooltipExtraRadius { get { return m_PieTooltipExtraRadius; } set { m_PieTooltipExtraRadius = value <= 0 ? 0 : value; } }
+        /// <summary>
+        /// 饼图选中时的中心点偏移
+        /// </summary>
+        public float pieSelectedOffset { get { return m_PieSelectedOffset; } set { m_PieSelectedOffset = value <= 0 ? 0 : value; } }
 
     }
 }