From f09ae4bb4729d2ebb705d71891ddc86b0d8c4b26 Mon Sep 17 00:00:00 2001
From: Tom Lynch <twhlynch@gmail.com>
Date: Sun, 15 Mar 2026 02:08:05 +1100
Subject: [PATCH] Jolt: fix Compound shapes not initializing their _shape

---
 Modules/Jolt/RNJoltShape.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Modules/Jolt/RNJoltShape.cpp b/Modules/Jolt/RNJoltShape.cpp
index b1790c10f..a838bf090 100644
--- a/Modules/Jolt/RNJoltShape.cpp
+++ b/Modules/Jolt/RNJoltShape.cpp
@@ -211,6 +211,8 @@ namespace RN
 
 	JoltCompoundShape::JoltCompoundShape()
 	{
+		_shape = new JPH::MutableCompoundShape();
+		_shape->AddRef();
 	}
 
 	JoltCompoundShape::JoltCompoundShape(Model *model, JoltMaterial *material, Vector3 scale, bool useTriangleMesh, bool wantsDoubleSided)
@@ -229,6 +231,9 @@ namespace RN
 
 	JoltCompoundShape::JoltCompoundShape(const Array *meshes, JoltMaterial *material, Vector3 scale, bool useTriangleMesh, bool wantsDoubleSided)
 	{
+		_shape = new JPH::MutableCompoundShape();
+		_shape->AddRef();
+
 		meshes->Enumerate<Mesh>([&](Mesh *mesh, size_t index, bool &stop) {
 			AddChild(mesh, material, Vector3(), Quaternion(), scale, useTriangleMesh, wantsDoubleSided);
 		});