完成下列功能:

1.板件显示
2.板件选中状态
3.标注显示
4.相机控制.

src/RotateUV.ts

@@ -0,0 +1,25 @@
+import { Matrix2 } from './Matrix2';
+import * as THREE from 'three';
+
+
+export function RotateUVs(geo: THREE.Geometry)
+{
+    let roMat = new Matrix2();
+    roMat.set(0, -1,
+        1, 0);
+
+    let addV = new THREE.Vector2(1, 0);
+
+    for (let uvs of geo.faceVertexUvs)
+    {
+        for (let uv of uvs)
+        {
+            for (let v of uv)
+            {
+                roMat.applyVector(v);
+                v.add(addV);
+            }
+        }
+    }
+    geo.uvsNeedUpdate = true;
+}