From 4932e89d8bb1e31358ba670e7d0f50edcf0430ae Mon Sep 17 00:00:00 2001
From: Alex Bilger <alexbilger0@gmail.com>
Date: Mon, 2 Mar 2026 15:19:44 +0100
Subject: [PATCH] [Visual] Compute bounding box in VisualMesh

---
 .../Visual/src/sofa/component/visual/VisualMesh.cpp | 13 +++++++++++++
 .../Visual/src/sofa/component/visual/VisualMesh.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.cpp b/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.cpp
index ebe816f329c..1d2d5fd9427 100644
--- a/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.cpp
+++ b/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.cpp
@@ -56,6 +56,19 @@ void VisualMesh::init()
     }
 }
 
+void VisualMesh::computeBBox(const core::ExecParams* exec_params, bool cond)
+{
+    if (!d_enable.getValue())
+        return;
+
+    type::BoundingBox bbox;
+    for (const auto& i : sofa::helper::getReadAccessor(d_position))
+    {
+        bbox.include(i);
+    }
+    this->f_bbox.setValue(bbox);
+}
+
 void VisualMesh::doDrawVisual(const core::visual::VisualParams* vparams)
 {
     auto* drawTool = vparams->drawTool();
diff --git a/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.h b/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.h
index ba7c447f30c..0920a939bd7 100644
--- a/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.h
+++ b/Sofa/Component/Visual/src/sofa/component/visual/VisualMesh.h
@@ -41,6 +41,7 @@ class VisualMesh : public core::visual::VisualModel
         sofa::BaseLink::FLAG_STOREPATH | sofa::BaseLink::FLAG_STRONGLINK> l_topology;
 
     void init() override;
+    void computeBBox(const core::ExecParams*, bool) override;
 
 protected: