From 90308e4b1b18b9cce7003f4a8a00fb99854b6aad Mon Sep 17 00:00:00 2001
From: Georg Tomitsch <georg@tomitsch.net>
Date: Thu, 4 Jun 2026 11:54:59 +0200
Subject: [PATCH] Preserve reflection render target aspect

---
 public/js/webgl-book-lab.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/public/js/webgl-book-lab.js b/public/js/webgl-book-lab.js
index 71a66ce..5551fe7 100644
--- a/public/js/webgl-book-lab.js
+++ b/public/js/webgl-book-lab.js
@@ -1051,8 +1051,14 @@ function resize() {
     renderer.setSize(width, height, false);
     camera.aspect = width / height;
     camera.updateProjectionMatrix();
-    const reflectionWidth = Math.max(1024, Math.min(4096, Math.floor(width * reflectionPixelRatio * 1.5)));
-    const reflectionHeight = Math.max(576, Math.min(2304, Math.floor(height * reflectionPixelRatio * 1.5)));
+    const desiredReflectionScale = reflectionPixelRatio * 1.5;
+    const reflectionScale = Math.max(1, Math.min(
+        desiredReflectionScale,
+        4096 / width,
+        2304 / height
+    ));
+    const reflectionWidth = Math.floor(width * reflectionScale);
+    const reflectionHeight = Math.floor(height * reflectionScale);
     reflectionTargetSize.set(reflectionWidth, reflectionHeight);
     tableReflectionTarget.setSize(
         reflectionTargetSize.x,