From 4efa418cce89ff657b303663747665c3abef75f0 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Tue, 28 Apr 2026 14:00:39 +0200
Subject: [PATCH] Validate advanced rendering god rays source size

---
 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 8155a31e..2574e21d 100644
--- a/src/document/scene-document-validation.ts
+++ b/src/document/scene-document-validation.ts
@@ -1329,6 +1329,17 @@ function validateWorldSettings(
     );
   }
 
+  if (!isPositiveFiniteNumber(advancedRendering.godRays.sourceSize)) {
+    diagnostics.push(
+      createDiagnostic(
+        "error",
+        "invalid-advanced-rendering-god-rays-source-size",
+        "Advanced rendering god rays source size must be a positive finite number.",
+        "world.advancedRendering.godRays.sourceSize"
+      )
+    );
+  }
+
   if (!isPositiveInteger(advancedRendering.godRays.samples)) {
     diagnostics.push(
       createDiagnostic(