From 4365199a474a225afc83aa1b612ebc36ac925263 Mon Sep 17 00:00:00 2001
From: ejcoumans <ejcoumans@08e121b0-ae19-0410-a57b-3be3395fd4fd>
Date: Thu, 7 Sep 2006 22:58:29 +0000
Subject: [PATCH] added optional striding to ConvexHullShape

---
 Bullet/CollisionShapes/ConvexHullShape.cpp | 9 +++++++--
 Bullet/CollisionShapes/ConvexHullShape.h   | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/Bullet/CollisionShapes/ConvexHullShape.cpp b/Bullet/CollisionShapes/ConvexHullShape.cpp
index e527dcd7e..ec333addc 100644
--- a/Bullet/CollisionShapes/ConvexHullShape.cpp
+++ b/Bullet/CollisionShapes/ConvexHullShape.cpp
@@ -18,11 +18,16 @@ subject to the following restrictions:
 #include "SimdQuaternion.h"
 
 
-ConvexHullShape ::ConvexHullShape (SimdPoint3* points,int numPoints)
+ConvexHullShape ::ConvexHullShape (SimdPoint3* points,int numPoints,int stride)
 {
 	m_points.resize(numPoints);
+	unsigned char* pointsBaseAddress = (unsigned char*)points;
+
 	for (int i=0;i<numPoints;i++)
-		m_points[i] = points[i];
+	{
+		SimdPoint3* point = (SimdPoint3*)(pointsBaseAddress + i*stride);
+		m_points[i] = point[0];
+	}
 }
 
 SimdVector3	ConvexHullShape::LocalGetSupportingVertexWithoutMargin(const SimdVector3& vec0)const
diff --git a/Bullet/CollisionShapes/ConvexHullShape.h b/Bullet/CollisionShapes/ConvexHullShape.h
index cbcc5687a..e442b5685 100644
--- a/Bullet/CollisionShapes/ConvexHullShape.h
+++ b/Bullet/CollisionShapes/ConvexHullShape.h
@@ -30,7 +30,7 @@ class ConvexHullShape : public PolyhedralConvexShape
 	std::vector<SimdPoint3>	m_points;
 
 public:
-	ConvexHullShape(SimdPoint3* points,int numPoints);
+	ConvexHullShape(SimdPoint3* points,int numPoints, int stride=sizeof(SimdPoint3));
 
 	void AddPoint(const SimdPoint3& point)
 	{