From 6383af29cba0564c8fe95b8e2f52ad1a50cbea58 Mon Sep 17 00:00:00 2001
From: Victor Giers <mail@victorgiers.com>
Date: Sat, 18 Apr 2026 20:27:39 +0200
Subject: [PATCH] Dispose of terrain brush preview resources in ViewportHost

---
 src/viewport-three/viewport-host.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/viewport-three/viewport-host.ts b/src/viewport-three/viewport-host.ts
index c46d3ef9..baa7c13c 100644
--- a/src/viewport-three/viewport-host.ts
+++ b/src/viewport-three/viewport-host.ts
@@ -1204,6 +1204,10 @@ export class ViewportHost {
     this.boxCreatePreviewMesh.material.dispose();
     this.boxCreatePreviewEdges.geometry.dispose();
     this.boxCreatePreviewEdges.material.dispose();
+    this.terrainBrushPreviewLine.geometry.dispose();
+    this.terrainBrushPreviewLine.material.dispose();
+    this.terrainBrushPreviewCenter.geometry.dispose();
+    this.terrainBrushPreviewCenter.material.dispose();
     this.renderer.forceContextLoss();
     this.renderer.dispose();