增加GridCoord3D3D坐标系

Runtime/Component/Axis/XAxis3D/XAxis3D.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace XCharts.Runtime
+{
+    /// <summary>
+    /// The x axis in cartesian(rectangular) coordinate.
+    /// ||直角坐标系 grid 中的 x 轴。
+    /// </summary>
+    [Since("v3.11.0")]
+    [System.Serializable]
+    [RequireChartComponent(typeof(GridCoord3D))]
+    [ComponentHandler(typeof(XAxis3DHander), true)]
+    public class XAxis3D : Axis
+    {
+        public override void SetDefaultValue()
+        {
+            m_Show = true;
+            m_Type = AxisType.Category;
+            m_Min = 0;
+            m_Max = 0;
+            m_SplitNumber = 0;
+            m_BoundaryGap = true;
+            m_Position = AxisPosition.Bottom;
+            m_Offset = 0;
+            m_Data = new List<string>() { "x1", "x2", "x3", "x4", "x5" };
+            m_Icons = new List<Sprite>(5);
+            splitLine.show = false;
+            splitLine.lineStyle.type = LineStyle.Type.None;
+            axisLabel.textLimit.enable = true;
+            axisName.name = "X";
+            axisName.labelStyle.position = LabelStyle.Position.Middle;
+        }
+    }
+}