!1722 新增:极轴捕捉开关

src/Editor/SnapServices.ts

@@ -75,6 +75,7 @@ export class SnapServices
     SnapPoint: Vector3;//捕捉到的点
     AxisSnapBasePoint: Vector3;//当捕捉模式为轴线捕捉时,返回轴线的基点
     SnapModeEnable: ObjectSnapMode = ObjectSnapMode.All;
+    EnablePolarSnap: boolean = true;//允许极轴捕捉
     CustomAxis: Vector3[] = [];//自定义捕捉轴
     private _SnapType: ObjectSnapMode = ObjectSnapMode.None;//当前点的捕捉类型
     private _DynPrompt: PromptBlock;
@@ -480,7 +481,8 @@ export class SnapServices
             return;
 
         let allowMouseDistSq = 100;//允许鼠标距离Sq
-        let axisVecs = PolarAxis;
+        let axisVecs: Vector3[] = this.EnablePolarSnap ? PolarAxis : [];
+
         if (this.AxisSnapMode === AxisSnapMode.Ortho)
         {
             axisVecs = OrthoAxis;