From a5a49df8c1946b3c94bd68146c333ca44fabbee8 Mon Sep 17 00:00:00 2001
From: Irlan <irlanrobson@users.noreply.github.com>
Date: Mon, 22 Apr 2019 14:38:51 -0300
Subject: [PATCH] Begin pointer can change after reallocation

---
 include/bounce/collision/shapes/qhull.h | 8 ++++----
 src/bounce/collision/shapes/qhull.cpp   | 4 ++++
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/include/bounce/collision/shapes/qhull.h b/include/bounce/collision/shapes/qhull.h
index 42f3c66..25836de 100644
--- a/include/bounce/collision/shapes/qhull.h
+++ b/include/bounce/collision/shapes/qhull.h
@@ -32,13 +32,13 @@ struct b3QHull : public b3Hull
 
 	b3QHull()
 	{
-		vertices = hullVertices.Begin();
+		vertices = nullptr;
 		vertexCount = 0;
-		edges = hullEdges.Begin();
+		edges = nullptr;
 		edgeCount = 0;
-		faces = hullFaces.Begin();
+		faces = nullptr;
 		faceCount = 0;
-		planes = hullPlanes.Begin();
+		planes = nullptr;
 		centroid.SetZero();
 	}
 
diff --git a/src/bounce/collision/shapes/qhull.cpp b/src/bounce/collision/shapes/qhull.cpp
index b4e1541..1c5b259 100644
--- a/src/bounce/collision/shapes/qhull.cpp
+++ b/src/bounce/collision/shapes/qhull.cpp
@@ -338,8 +338,12 @@ void b3QHull::Set(u32 vtxStride, const void* vtxBase, u32 vtxCount, bool simplif
 		++iface;
 	}
 
+	vertices = hullVertices.Begin();
 	vertexCount = hullVertices.Count();
+	edges = hullEdges.Begin();
 	edgeCount = hullEdges.Count();
+	faces = hullFaces.Begin();
+	planes = hullPlanes.Begin();
 	faceCount = hullFaces.Count();
 
 	// Validate