From 76c83add3d29dfe7d4ce8397854b09c6f6419106 Mon Sep 17 00:00:00 2001
From: Dander7BD <dander.1981@gmail.com>
Date: Thu, 19 Dec 2013 11:15:49 +0100
Subject: [PATCH] Added sanity check to SphericalRigidBody::GetNormalAt

---
 Code/GamePhysics/Implementation/SphericalRigidBody.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Code/GamePhysics/Implementation/SphericalRigidBody.cpp b/Code/GamePhysics/Implementation/SphericalRigidBody.cpp
index 9dcfaa32..13a46145 100644
--- a/Code/GamePhysics/Implementation/SphericalRigidBody.cpp
+++ b/Code/GamePhysics/Implementation/SphericalRigidBody.cpp
@@ -124,7 +124,13 @@ Sphere & SphericalRigidBody::GetBoundingSphere( Sphere &targetMem ) const
 
 Float4 & SphericalRigidBody::GetNormalAt( const Float4 &worldPos, Float4 &targetMem ) const
 {
-	return targetMem = (worldPos - this->rigid.box.center).GetNormalized();
+	targetMem = worldPos - this->rigid.box.center;
+	Float magnitude = targetMem.GetMagnitude();
+	if( magnitude != 0.0f )
+	{ // sanity check
+		targetMem.Normalize();
+	}
+	return targetMem;
 }
 
 Float3 & SphericalRigidBody::GetGravityNormal( Float3 &targetMem ) const