渲染测式 开发

examples/matRenderTest.php

@@ -66,6 +66,7 @@ function createLuxcoreMat($matOriginal, $textureScaleU, $textureScaleV, $cacheFi
         case 1:
             return MatHelper::createMatOfDisney($matOriginal, $textureScaleU, $textureScaleV, $cacheFileDir, $scene);
         case 2:
+            return MatHelper::createMatOfGlass($matOriginal, $textureScaleU, $textureScaleV, $cacheFileDir, $scene);
             return;
         case 3:
             return;

src/utils/MatHelper.php

@@ -3,6 +3,7 @@
 namespace Blobt\Luxcore\utils;
 
 use Blobt\Luxcore\scene\materials\Disney;
+use Blobt\Luxcore\scene\materials\GlassRough;
 use Blobt\Luxcore\scene\texture\composite\Subtract;
 use Blobt\Luxcore\scene\texture\mapping\Mapping;
 use Blobt\Luxcore\scene\texture\procedural\ImageMap;
@@ -228,7 +229,6 @@ class MatHelper{
         }
 
 
-        //TODO： 更多贴图通道处理，待后续完善
         return $material;
     }
 
@@ -236,8 +236,66 @@ class MatHelper{
     /**
      * 创建一个 Glass 材质（折射材质）
      */
-    static function createMatOfGlass(){
+    static function createMatOfGlass($matOriginal, $textureScaleU, $textureScaleV, $cacheFileDir, $scene){
+        $material = new GlassRough();
+        $material->setTransmission(self::hex2floatColor($matOriginal->matParams->refractivityColor));
+        $material->setInteriorIor($matOriginal->matParams->refractionIor);
+        $material->setUroughness($matOriginal->matParams->roughness);
+        $material->setVroughness($matOriginal->matParams->roughness);
 
+
+        //创建一个铺贴对象,使用"uvmapping2d"类型的铺贴对象
+        $mapping = new Mapping();
+        $mapping->useUVMapping2d(
+            // uv通道
+            0,
+            // 旋转角度
+            "0",
+            // 缩放比例
+            "{$textureScaleU} {$textureScaleV}",
+            // 偏移量
+            "0 0",
+        );
+
+        // 加载 透射 纹理
+        if($matOriginal->matParams->albedoTexture){
+            $textureUrl = $matOriginal->matParams->albedoTexture;
+            $textureSavaPath = $cacheFileDir.'/'.basename($textureUrl);
+            $textureHandle = fopen($textureSavaPath, "w");
+            (new Client())->get($textureUrl, [RequestOptions::SINK => $textureHandle]);
+
+            $imageMap = new ImageMap(
+                ['file' => $textureSavaPath]
+            );
+            $imageMap->mapping = $mapping;
+            $scene->registerTexture($imageMap);
+            $material->setTransmission($imageMap);
+        }
+
+        // 加载金属度纹理、粗糙度纹理 
+        if($matOriginal->matParams->metallicTexture){
+            $metallicTextureUrl = $matOriginal->matParams->metallicTexture;
+            $metallicTextureSavaPath = $cacheFileDir.'/'.basename($metallicTextureUrl);
+            $metallicTextureHandle = fopen($metallicTextureSavaPath, "w");
+            (new Client())->get($metallicTextureUrl, [RequestOptions::SINK => $metallicTextureHandle]);
+
+            $fileName = preg_replace('/(\.[^\.]+)$/','',basename($metallicTextureSavaPath));
+            $extension = preg_replace('/^('.$fileName.')+/','',basename($metallicTextureSavaPath));
+            // 从金属纹理中 分离 绿色通道 作为 粗糙度纹理
+            $roughnessTextureSavaPath = $cacheFileDir.'/'.$fileName.'_roughness'.$extension;
+            $imagick = new Imagick($metallicTextureSavaPath);
+            $imagick->separateImageChannel(Imagick::CHANNEL_GREEN);
+            $imagick->setImageCompressionQuality(100);
+            $imagick->writeImage($roughnessTextureSavaPath);
+            $roughnessTexture = new ImageMap(
+                ['file' => $roughnessTextureSavaPath]
+            );
+            $roughnessTexture->gamma = 1;
+            $roughnessTexture->mapping = $mapping;
+            $scene->registerTexture($roughnessTexture);
+            $material->setUroughness($roughnessTexture);
+            $material->setVroughness($roughnessTexture);
+        }
     }