From b51d4d3308b6c07f2b134ce789f5bdd9c6a75a52 Mon Sep 17 00:00:00 2001
From: Anton Palmqvist <13031779+AntonPalmqvist@users.noreply.github.com>
Date: Tue, 30 Sep 2025 08:30:51 -0700
Subject: [PATCH] Physical Material Database example: - Updated
 attenuationDistance so it uses the new "transmissionDepth" attribute from the
 API instead of "density"

---
 example/materialDatabase.js | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/example/materialDatabase.js b/example/materialDatabase.js
index 00596861..b8ffe9e2 100644
--- a/example/materialDatabase.js
+++ b/example/materialDatabase.js
@@ -126,7 +126,7 @@ function applyMaterialInfo( info, material ) {
 	// defaults
 	material.color.set( 0xffffff );
 	material.transmission = 0.0;
-	material.attenuationDistance = Infinity;
+	material.attenuationDistance = 1;
 	material.attenuationColor.set( 0xffffff );
 	material.specularColor.set( 0xffffff );
 	material.metalness = 0.0;
@@ -159,9 +159,15 @@ function applyMaterialInfo( info, material ) {
 
 		}
 
-		// Blender uses 1 / density when exporting volume transmission which doesn't look
-		// exactly right. But because the scene is 1000x in size we multiply by 1000 here.
-		material.attenuationDistance = 1000 / info.density;
+		if ( info.transmissionDepth ) {
+
+			material.attenuationDistance = info.transmissionDepth;
+
+		} else {
+
+			material.attenuationDistance = 1;
+
+		}
 
 	} else {