渲染测式 开发

src/utils/MatHelper.php

@@ -195,9 +195,34 @@ class MatHelper{
             $material->setClearcoatgloss($subtract);
         }
 
+        // 加载镀膜材质纹理
+        if($matOriginal->matParams->isFilmEnabled === self::OPEN && $matOriginal->matParams->filmTexture){
+            $textureUrl = $matOriginal->matParams->filmTexture;
+            $savaTexturePath = $cacheFileDir.'/'.basename($textureUrl);
+            $savaTextureHandle = fopen($savaTexturePath, "w");
+            (new Client())->get($textureUrl, [RequestOptions::SINK => $savaTextureHandle]);
         
-        //TODO： 更多贴图通道处理，待后续完善
+            $fileName = preg_replace('/(\.[^\.]+)$/','',basename($savaTexturePath));
+            $extension = preg_replace('/^('.$fileName.')+/','',basename($savaTexturePath));
+            // 从镀膜材质纹理中 分离 红色通道 作为 镀膜材质强度纹理
+            $filmIntensityTextureSavaPath = $cacheFileDir.'/'.$fileName.'_filmIntensity'.$extension;
+            $imagick = new Imagick($savaTexturePath);
+            $imagick->separateImageChannel(Imagick::CHANNEL_RED);
+            $imagick->setImageCompressionQuality(100);
+            $imagick->writeImage($filmIntensityTextureSavaPath);
+            $filmIntensityTexture = new ImageMap(
+                ['file' => $filmIntensityTextureSavaPath]
+            );
+            $filmIntensityTexture->gamma = 1;
+            $filmIntensityTexture->mapping = $mapping;
+            $scene->registerTexture($filmIntensityTexture);
+            $material->setFilmamount($filmIntensityTexture);
 
+            //TODO: 从清漆涂层纹理中 分离 绿色通道 作为 清漆涂层光泽度纹理, 待后续完善
+        }
+
+
+        //TODO： 更多贴图通道处理，待后续完善
         return $material;
     }