修复:样条线拉伸在其他视图下的行为问题

src/DatabaseServices/Spline.ts

@@ -121,6 +121,7 @@ export class Spline extends Curve
     }
     MoveGripPoints(indexList: Array<number>, vec: Vector3)
     {
+        vec = vec.clone().applyMatrix4(this.OCSInv).setZ(0);
         this.WriteAllObjectRecord();
         for (let index of indexList)
             this._PointList[index].add(vec);
@@ -128,6 +129,7 @@ export class Spline extends Curve
     }
     MoveStretchPoints(indexList: Array<number>, vec: Vector3)
     {
+        vec = vec.clone().applyMatrix4(this.OCSInv).setZ(0);
         this.WriteAllObjectRecord();
         for (let index of indexList)
             this._PointList[index].add(vec);