对曲线拷贝时,拷贝几何体,避免几何体更新时影响到被拷贝的实体.

src/DatabaseServices/Curve.ts

@@ -43,6 +43,18 @@ export abstract class Curve extends Entity
     {
         super();
     }
+
+    Clone(): this
+    {
+        let ent = super.Clone();
+        for (let [type, obj] of ent.m_DrawEntity)
+        {
+            let l = obj as THREE.Line;
+            l.geometry = l.geometry.clone();
+        }
+        return ent;
+    }
+
     get StartPoint(): Vector3 { return; }
     set StartPoint(v: Vector3) { return; }
     get StartParam(): number { return; }

src/DatabaseServices/Polyline.ts

@@ -983,8 +983,9 @@ export class Polyline extends Curve
         }
         else
         {
+            geo.dispose();
             geo = new Geometry();
-            geo.setFromPoints(shape.getPoints(50));
+            geo.setFromPoints(pts);
             updateGeometry(plObj, geo);
         }
     }