From be44a085a6f0439a4f18477e0f55c706d935f46b Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Wed, 22 Apr 2026 14:00:53 +0200
Subject: [PATCH] auto-git:  [change] src/runtime-three/runtime-host.ts

---
 src/runtime-three/runtime-host.ts | 54 +++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/src/runtime-three/runtime-host.ts b/src/runtime-three/runtime-host.ts
index 9c15ec77..1977d3f7 100644
--- a/src/runtime-three/runtime-host.ts
+++ b/src/runtime-three/runtime-host.ts
@@ -1275,6 +1275,18 @@ export class RuntimeHost {
     this.applyShadowState();
   }
 
+  private rebuildLightVolumes(
+    lightVolumes: RuntimeSceneDefinition["volumes"]["light"]
+  ) {
+    this.clearLightVolumes();
+
+    for (const lightVolume of lightVolumes) {
+      const renderObjects = this.createLightVolumeRuntimeObjects(lightVolume);
+      this.lightVolumeGroup.add(renderObjects.group);
+      this.lightVolumeObjects.set(lightVolume.brushId, renderObjects);
+    }
+  }
+
   private createPointLightRuntimeObjects(
     pointLight: RuntimeLocalLightCollection["pointLights"][number]
   ): LocalLightRenderObjects {
@@ -1300,6 +1312,48 @@ export class RuntimeHost {
     };
   }
 
+  private createLightVolumeRuntimeObjects(
+    lightVolume: RuntimeSceneDefinition["volumes"]["light"][number]
+  ): LightVolumeRenderObjects {
+    const group = new Group();
+    const lights: PointLight[] = [];
+
+    group.position.set(
+      lightVolume.center.x,
+      lightVolume.center.y,
+      lightVolume.center.z
+    );
+    group.rotation.set(
+      (lightVolume.rotationDegrees.x * Math.PI) / 180,
+      (lightVolume.rotationDegrees.y * Math.PI) / 180,
+      (lightVolume.rotationDegrees.z * Math.PI) / 180
+    );
+    group.visible = lightVolume.enabled;
+
+    for (const derivedLight of lightVolume.lights) {
+      const light = new PointLight(
+        lightVolume.colorHex,
+        derivedLight.intensity,
+        derivedLight.distance,
+        derivedLight.decay
+      );
+      light.castShadow = false;
+      light.shadow.autoUpdate = false;
+      light.position.set(
+        derivedLight.localPosition.x,
+        derivedLight.localPosition.y,
+        derivedLight.localPosition.z
+      );
+      group.add(light);
+      lights.push(light);
+    }
+
+    return {
+      group,
+      lights
+    };
+  }
+
   private createSpotLightRuntimeObjects(
     spotLight: RuntimeLocalLightCollection["spotLights"][number]
   ): LocalLightRenderObjects {