增加Axis的m_MinCategorySpacing设置类目轴默认的最小类目间距

Documentation~/en/api.md

@@ -443,6 +443,7 @@ The axis in rectangular coordinate.
 |Clone()||public Axis Clone()|
 |Copy()||public void Copy(Axis axis)|
 |GetAddedDataCount()||public int GetAddedDataCount()<br/>get the history data count. |
+|GetCategoryPosition()||public Vector3 GetCategoryPosition(int categoryIndex, int dataCount = 0)|
 |GetData()||public string GetData(int index)<br/>获得指定索引的类目数据 |
 |GetData()||public string GetData(int index, DataZoom dataZoom)<br/>获得在dataZoom范围内指定索引的类目数据 |
 |GetDistance()||public float GetDistance(double value, float axisLength = 0)<br/>获得值在坐标轴上的距离 |

Documentation~/en/configuration.md

@@ -422,6 +422,7 @@ The axis in rectangular coordinate.
 |inverse|false||Whether the axis are reversed or not. Invalid in `Category` axis.
 |clockwise|true||Whether the positive position of axis is in clockwise. True for clockwise by default.
 |insertDataToHead|||Whether to add new data at the head or at the end of the list.
+|minCategorySpacing|0|v3.11.0|The minimum spacing between categories.
 |icons|||类目数据对应的图标。
 |data|||Category data, available in type: 'Category' axis.
 |axisLine|||axis Line. [AxisLine](#axisline)|

Documentation~/zh/api.md

@@ -443,6 +443,7 @@ slug: /api
 |Clone()||public Axis Clone()|
 |Copy()||public void Copy(Axis axis)|
 |GetAddedDataCount()||public int GetAddedDataCount()<br/>获得添加过的历史数据总数 |
+|GetCategoryPosition()||public Vector3 GetCategoryPosition(int categoryIndex, int dataCount = 0)|
 |GetData()||public string GetData(int index)<br/>获得指定索引的类目数据 |
 |GetData()||public string GetData(int index, DataZoom dataZoom)<br/>获得在dataZoom范围内指定索引的类目数据 |
 |GetDistance()||public float GetDistance(double value, float axisLength = 0)<br/>获得值在坐标轴上的距离 |

Documentation~/zh/changelog.md

@@ -73,6 +73,7 @@ slug: /changelog
 
 ## master
 
+* (2024.06.09) 增加`Axis`的`m_MinCategorySpacing`设置类目轴默认的最小类目间距
 * (2024.06.09) 修复`Tooltip`的`Cross`在`Axis`是类目轴并且开启`DataZoom`的情况下指示位置不准确的问题
 * (2024.06.06) 修复`Serie`在`Clone`时动画异常问题 (#320)
 * (2024.06.04) 修复`Serie`的`state`在代码动态设置时不刷新的问题

Documentation~/zh/configuration.md

@@ -415,6 +415,7 @@ import APITable from '@site/src/components/APITable';
 |inverse|false||是否反向坐标轴。在类目轴中无效。
 |clockwise|true||刻度增长是否按顺时针，默认顺时针。
 |insertDataToHead|||添加新数据时是在列表的头部还是尾部加入。
+|minCategorySpacing|0|v3.11.0|类目之间的最小间距。
 |icons|||类目数据对应的图标。
 |data|||类目数据，在类目轴（type: 'category'）中有效。
 |axisLine|||坐标轴轴线。 [AxisLine](#axisline)|

Editor/MainComponents/AxisEditor.cs

@@ -64,6 +64,7 @@ namespace XCharts.Editor
             if (type == Axis.AxisType.Category)
             {
                 PropertyField("m_MaxCache");
+                PropertyField("m_MinCategorySpacing");
                 PropertyField("m_BoundaryGap");
             }
             else

Runtime/Component/Axis/Axis.cs

@@ -99,6 +99,7 @@ namespace XCharts.Runtime
         [SerializeField] protected bool m_Inverse = false;
         [SerializeField] private bool m_Clockwise = true;
         [SerializeField] private bool m_InsertDataToHead;
+        [SerializeField][Since("v3.11.0")] private float m_MinCategorySpacing = 0;
         [SerializeField] protected List<Sprite> m_Icons = new List<Sprite>();
         [SerializeField] protected List<string> m_Data = new List<string>();
         [SerializeField] protected AxisLine m_AxisLine = AxisLine.defaultAxisLine;
@@ -406,6 +407,15 @@ namespace XCharts.Runtime
             get { return m_InsertDataToHead; }
             set { if (PropertyUtil.SetStruct(ref m_InsertDataToHead, value)) SetAllDirty(); }
         }
+        /// <summary>
+        /// The minimum spacing between categories.
+        /// ||类目之间的最小间距。
+        /// </summary>
+        public float minCategorySpacing
+        {
+            get { return m_MinCategorySpacing; }
+            set { if (PropertyUtil.SetStruct(ref m_MinCategorySpacing, value)) SetAllDirty(); }
+        }
 
         public override bool vertsDirty
         {

Runtime/Component/Axis/AxisHelper.cs

@@ -65,8 +65,10 @@ namespace XCharts.Runtime
                 if (axis.splitNumber <= 0)
                 {
                     var eachWid = coordinateWid / dataCount;
-                    //var min = ((axis is YAxis) || (axis is ZAxis3D)) ? 20 : 80;
+
-                    var min = 20;
+                    var min = axis.minCategorySpacing > 0
+                        ? axis.minCategorySpacing
+                        : (Mathf.Abs(axis.context.dire.y) < 0.01 ? 80 : 20);
                     if (eachWid > min) return dataCount;
                     var tick = Mathf.CeilToInt(min / eachWid);
                     return tick <= 1 ? dataCount : (int)(dataCount / tick);