分离选择材质,避免实体选中时,选中材质导致的内部拉槽显示问题.

修正未选中板件时,视图没有刷新的问题.
加入排钻显示.

dist/Material.d.ts

@@ -1,3 +1,4 @@
 import { MeshBasicMaterial, LineBasicMaterial } from "three";
 export declare let boardMaterial: MeshBasicMaterial;
+export declare let selectMaterial: MeshBasicMaterial;
 export declare let edgeMaterial: LineBasicMaterial;