From 8ebe5ed30abb30400a867caeca14942135916786 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Tue, 31 Mar 2026 23:14:23 +0200
Subject: [PATCH] Add validation for non-negative finite number in world
 background environment intensity

---
 src/document/scene-document-validation.ts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/document/scene-document-validation.ts b/src/document/scene-document-validation.ts
index 8642cb96..9b7359ca 100644
--- a/src/document/scene-document-validation.ts
+++ b/src/document/scene-document-validation.ts
@@ -148,6 +148,17 @@ function validateWorldSettings(world: WorldSettings, document: SceneDocument, di
         );
       }
     }
+
+    if (!isNonNegativeFiniteNumber(world.background.environmentIntensity)) {
+      diagnostics.push(
+        createDiagnostic(
+          "error",
+          "invalid-world-background-environment-intensity",
+          "World background environment intensity must be a non-negative finite number.",
+          "world.background.environmentIntensity"
+        )
+      );
+    }
   }
 
   if (!isHexColorString(world.ambientLight.colorHex)) {