修复导出的缩略图中带有光源的问题

src/common/MaterialRenderer.ts

@@ -36,10 +36,11 @@ export class MaterialRenderer
         var ambient = new AmbientLight();
         this.scene.add(ambient);
 
-        //Pontual light
-        var point = new PointLight();
-        point.position.set(-0.5, 1, 1.5);
-        this.scene.add(point);
+        // 这个点光源会导致生成的缩略图上有一个高光
+        // //Pontual light
+        // var point = new PointLight();
+        // point.position.set(-0.5, 1, 1.5);
+        // this.scene.add(point);
     }
 
     //Set render size

src/components/MaterialAdjuster.vue

@@ -16,6 +16,7 @@
             <CfFlex gap="1em" v-if="debugMode">
                 <button class="btn-success" style="min-width: 110px;" @click="HandleUpload">保存</button>
                 <button class="btn-danger" style="min-width: 110px;" @click="HandleCancel">取消</button>
+                <button v-if="debugMode" class="btn-primary" style="min-width: 110px;" @click="HandleGenerateLogo">预览缩略图</button>
             </CfFlex>
         </div>
 
@@ -115,6 +116,7 @@ import { DirectoryId } from "../api/Request";
 import { IsNullOrWhitespace } from "../helpers/helper.string";
 import { FromDeflateBase64, ToDeflatedBase64 } from "../helpers/helper.material";
 import { storeToRefs } from "pinia";
+import { DownloadFile } from "../helpers/helper.web";
 
 export interface MaterialRequest {
     /** 材质名 */
@@ -273,6 +275,11 @@ function HandleCancel() {
     emits('cancel');
 }
 
+async function HandleGenerateLogo() {
+    const blob = await scene.GenerateMaterialLogoAsync();
+    DownloadFile("logo.png", blob);
+}
+
 defineExpose({
     Upload: HandleUpload,
     Cancel: HandleCancel

src/stores/sceneStore.ts

@@ -1,7 +1,7 @@
 import { defineStore } from "pinia";
 import { computed, ref } from "vue";
 import { MaterialEditor } from "../common/MaterialEditor";
-import { Database, ObjectId, PhysicalMaterialRecord, TextureTableRecord } from "webcad_ue4_api";
+import { Database, PhysicalMaterialRecord, TextureTableRecord } from "webcad_ue4_api";
 import { LoadImageFromUrl } from "../helpers/helper.imageLoader";
 import { Texture } from "three";
 import { materialRenderer } from "../common/MaterialRenderer";