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.

src/Material.ts

@@ -8,6 +8,13 @@ export let boardMaterial = new MeshBasicMaterial({
     polygonOffsetUnits: 1
 });
 
+export let selectMaterial = new MeshBasicMaterial({
+    color: new Color(0.1, 0.5, 0.5),
+    polygonOffset: true,
+    polygonOffsetFactor: 1, // positive value pushes polygon further away
+    polygonOffsetUnits: 1
+});
+
 //线框的材质
 export let edgeMaterial = new LineBasicMaterial({ linewidth: 2, color: new Color(0, 0, 0) });