排钻显示改成实体显示.

src/Viewer.ts

@@ -1,10 +1,11 @@
 
 import * as THREE from "three";
+import { Mesh } from "three";
+import { CameraControls, PointPick, boardMaterial, selectMaterial } from ".";
 import { CameraUpdate } from "./CameraUpdate";
+import { ColorMaterial } from "./ColorPalette";
 import { GetBox, GetBoxArr, cZeroVec } from "./GeUtils";
 import { PlaneExt } from "./PlaneExt";
-import { PointPick, boardMaterial, CameraControls, selectMaterial } from ".";
-import { MeshBasicMaterial, Color, Mesh } from "three";
 
 export class Viewer
 {
@@ -38,7 +39,7 @@ export class Viewer
             let mesh = PointPick(this, e.offsetX, e.offsetY);
             if (oldMesh)
                 oldMesh.material = boardMaterial;
-            if (mesh)
+            if (mesh && mesh.material !== ColorMaterial.GetLineMaterial(1))
             {
                 oldMesh = mesh;
                 mesh.material = selectMaterial;