From 1220983f9813cfc39a445447b0914a1af798577f Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 22 Apr 2026 13:11:49 +0200
Subject: [PATCH] auto-git:  [change] src/runtime-three/runtime-host.ts

---
 src/runtime-three/runtime-host.ts | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/runtime-three/runtime-host.ts b/src/runtime-three/runtime-host.ts
index 13d13f61..2160fc9c 100644
--- a/src/runtime-three/runtime-host.ts
+++ b/src/runtime-three/runtime-host.ts
@@ -1087,7 +1087,12 @@ export class RuntimeHost {
             opacity: nightBackgroundOverlay.opacity,
             environmentIntensity: nightBackgroundOverlay.environmentIntensity
           };
-    const environmentState = resolveWorldEnvironmentState(
+    let environmentState = resolveWorldEnvironmentState(
+      resolvedWorld.background,
+      backgroundTexture,
+      backgroundOverlayState
+    );
+    const useDynamicEnvironment = shouldUseDynamicWorldEnvironment(
       resolvedWorld.background,
       backgroundTexture,
       backgroundOverlayState
@@ -1098,6 +1103,22 @@ export class RuntimeHost {
       backgroundTexture,
       backgroundOverlayState
     );
+
+    if (useDynamicEnvironment && this.pmremGenerator !== null) {
+      this.worldBackgroundRenderer.syncToOrigin();
+      this.dynamicWorldEnvironmentTarget?.dispose();
+      this.dynamicWorldEnvironmentTarget = this.pmremGenerator.fromScene(
+        this.worldBackgroundRenderer.scene
+      ) as WebGLCubeRenderTarget;
+      environmentState = {
+        texture: this.dynamicWorldEnvironmentTarget.texture,
+        intensity: environmentState.intensity
+      };
+    } else if (this.dynamicWorldEnvironmentTarget !== null) {
+      this.dynamicWorldEnvironmentTarget.dispose();
+      this.dynamicWorldEnvironmentTarget = null;
+    }
+
     this.scene.background = null;
     this.scene.environment = environmentState.texture;
     this.scene.environmentIntensity = environmentState.intensity;