点击空白隐藏放置区域

src/babylonjs/AppModel.ts

@@ -152,8 +152,31 @@ export class AppModel extends Monobehiver {
     /**
      * 克隆模型材质，避免多个模型共享同名材质
      * @param meshes 网格数组
-     * @param modelName 模型名称
+     * @param modelId 模型ID
      */
+    private cloneMaterials(meshes: AbstractMesh[], modelId: string): void {
+        const scene = this.mainApp.appScene.object;
+        const clonedMaterials = new Map<string, any>();
+
+        meshes.forEach(mesh => {
+            if (mesh.material) {
+                const originalMaterial = mesh.material;
+                const originalName = originalMaterial.name;
+
+                // 如果该材质还没有被克隆过，则克隆它
+                if (!clonedMaterials.has(originalName)) {
+                    const clonedMaterial = originalMaterial.clone(`${originalName}_${modelId}`);
+                    clonedMaterials.set(originalName, clonedMaterial);
+                }
+
+                // 应用克隆的材质
+                mesh.material = clonedMaterials.get(originalName);
+            }
+        });
+
+        console.log(`已为模型 ${modelId} 克隆 ${clonedMaterials.size} 个材质`);
+    }
+
     /** 为网格设置阴影（投射和接收） */
     private createModelRoot(modelId: string, meshes: AbstractMesh[]): AbstractMesh[] {
         const scene = this.mainApp.appScene.object;
@@ -254,6 +277,9 @@ export class AppModel extends Monobehiver {
         });
 
         if (result.success && result.meshes) {
+            // 克隆材质，确保每个模型有独立的材质
+            this.cloneMaterials(result.meshes, modelName);
+
             result.meshes = this.createModelRoot(modelName, result.meshes);
             this.modelDic.Set(modelName, result.meshes);
 
@@ -304,6 +330,9 @@ export class AppModel extends Monobehiver {
             });
 
             if (result.success && result.meshes) {
+                // 克隆材质，确保每个模型有独立的材质
+                this.cloneMaterials(result.meshes, modelId);
+
                 result.meshes = this.createModelRoot(modelId, result.meshes);
                 this.modelDic.Set(modelId, result.meshes);
 

src/babylonjs/AppRay.ts

@@ -157,7 +157,10 @@ class AppRay extends Monobehiver {
 
       this.mainApp.appSelectionOutline.clear();
       this.mainApp.appPositionGizmo.detach();
-      this.mainApp.appDomTo3D.hideAll()
+      this.mainApp.appDomTo3D.hideAll();
+
+      // 隐藏放置区域
+      this.mainApp.appDropZone?.hide();
     }
   }
 

src/babylonjs/GameManager.ts

@@ -751,6 +751,7 @@ export class GameManager extends Monobehiver {
    */
   applyMaterial(options: {
     target: string;
+    modelId?: string;  // 新增：指定模型ID，只修改该模型的材质
     albedoColor?: string;
     albedoTexture?: string;
     normalMap?: string;
@@ -762,15 +763,32 @@ export class GameManager extends Monobehiver {
 
     // 1. 查找目标材质
     const targetMaterials: PBRMaterial[] = [];
-    this.materialDic.Values().forEach(material => {
-      if (material.name === options.target) {
-        targetMaterials.push(material);
-      }
-    });
 
-    if (targetMaterials.length === 0) {
-      console.warn(`Material not found: ${options.target}`);
-      return;
+    if (options.modelId) {
+      // 如果指定了模型ID，只查找该模型的材质
+      const materialName = `${options.target}_${options.modelId}`;
+      this.materialDic.Values().forEach(material => {
+        if (material.name === materialName) {
+          targetMaterials.push(material);
+        }
+      });
+
+      if (targetMaterials.length === 0) {
+        console.warn(`Material not found for model ${options.modelId}: ${materialName}`);
+        return;
+      }
+    } else {
+      // 没有指定模型ID，查找所有匹配的材质（旧逻辑）
+      this.materialDic.Values().forEach(material => {
+        if (material.name === options.target || material.name.startsWith(`${options.target}_`)) {
+          targetMaterials.push(material);
+        }
+      });
+
+      if (targetMaterials.length === 0) {
+        console.warn(`Material not found: ${options.target}`);
+        return;
+      }
     }
 
     // 2. 应用材质属性到目标材质
@@ -810,6 +828,6 @@ export class GameManager extends Monobehiver {
       material.markDirty();
     });
 
-    console.log(`Material applied to: ${options.target}`, options);
+    console.log(`Material applied to: ${options.target}${options.modelId ? ` (model: ${options.modelId})` : ''}`, options);
   }
 }

src/kernel/Adapter.ts

@@ -69,6 +69,7 @@ export class KernelAdapter {
      */
     apply: (options: {
       target: string;
+      modelId?: string;  // 可选：指定模型ID，只修改该模型的材质
       albedoColor?: string;
       albedoTexture?: string;
       normalMap?: string;