增加桑基图相关支持

Runtime/Serie/SerieDataLink.cs

@@ -0,0 +1,47 @@
+using UnityEngine;
+
+namespace XCharts.Runtime
+{
+    /// <summary>
+    /// the link of serie data. Used for sankey chart. Sankey chart only supports directed acyclic graph. make sure the data link is directed acyclic graph.
+    /// ||数据节点之间的连线。可用于桑基图等，桑基图只支持有向无环图，请保证数据的连线是有向无环图。
+    /// </summary>
+    [System.Serializable]
+    [Since("v3.10.0")]
+    public class SerieDataLink : ChildComponent
+    {
+        [SerializeField] private string m_Source;
+        [SerializeField] private string m_Target;
+        [SerializeField] private double m_Value;
+
+        /// <summary>
+        /// the source node name.
+        /// ||边的源节点名称。
+        /// </summary>
+        public string source
+        {
+            get { return m_Source; }
+            set { m_Source = value; }
+        }
+
+        /// <summary>
+        /// the target node name.
+        /// ||边的目标节点名称。
+        /// </summary>
+        public string target
+        {
+            get { return m_Target; }
+            set { m_Target = value; }
+        }
+
+        /// <summary>
+        /// the value of link. decide the width of link.
+        /// ||边的值。决定边的宽度。
+        /// </summary>
+        public double value
+        {
+            get { return m_Value; }
+            set { m_Value = value; }
+        }
+    }
+}