line 增加应用矩阵的方法

src/DatabaseServices/Line.ts

@@ -1,5 +1,5 @@
 //直线对象
-import { Geometry, Object3D, Vector3 } from 'three';
+import { Geometry, Matrix4, Object3D, Vector3 } from 'three';
 import * as THREE from 'three';
 
 import { ColorMaterial } from '../Common/ColorPalette';
@@ -72,6 +72,13 @@ export class Line extends Curve
         }
     }
 
+    ApplyMatrix(m: Matrix4)
+    {
+        this.startPoint.applyMatrix4(m);
+        this.endPoint.applyMatrix4(m);
+        this.Update();
+    }
+
 
     //#region -----------------------------File-----------------------------
     //对象应该实现dataIn和DataOut的方法,为了对象的序列化和反序列化