支持材质自定义

src/ViewSrc/index.ts

@@ -1,6 +1,6 @@
 // import { Color, Face3, MeshBasicMaterial, Object3D, Vector2, Vector3 } from "three";
 // import "./style.css";
-import { Vector3 } from "three";
+import { Color, MeshBasicMaterial, Vector3 } from "three";
 import { CameraControlState } from "../CameraControls";
 import { data } from "../data";
 import { GetBox } from "../GeUtils";
@@ -25,7 +25,17 @@ el.style.width = "80%";
 el.style.height = "80%";
 document.body.appendChild(el);
 
-let view = new Viewer(el);
+let view = new Viewer(el, (settings) =>
+{
+    settings.boardMaterial = new MeshBasicMaterial({
+        color: new Color(0.8, 0.8, 0.8),
+        polygonOffset: true,
+        polygonOffsetFactor: 1, // positive value pushes polygon further away
+        polygonOffsetUnits: 1,
+        transparent: true,
+        opacity: 0.5
+    });
+});
 
 //修改这个顺序 改变1 2 3 个触摸点时的触发状态.
 view.m_CameraCtrl.m_TouthTypeList = [CameraControlState.Rotate, CameraControlState.Scale, CameraControlState.Pan];