1 files changed, 3 insertions, 2 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp
index 4fbaafa1b93..3c98ca08ddc 100644
--- a/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp
+++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btStaticPlaneShape.cpp
@@ -19,10 +19,11 @@ subject to the following restrictions:
 
 
 btStaticPlaneShape::btStaticPlaneShape(const btVector3& planeNormal,btScalar planeConstant)
-:m_planeNormal(planeNormal),
+:m_planeNormal(planeNormal.normalized()),
 m_planeConstant(planeConstant),
 m_localScaling(btScalar(0.),btScalar(0.),btScalar(0.))
 {
+	//	btAssert( btFuzzyZero(m_planeNormal.length() - btScalar(1.)) );
 }
 
 
@@ -86,7 +87,7 @@ void	btStaticPlaneShape::processAllTriangles(btTriangleCallback* callback,const
 
 }
 
-void	btStaticPlaneShape::calculateLocalInertia(btScalar mass,btVector3& inertia)
+void	btStaticPlaneShape::calculateLocalInertia(btScalar mass,btVector3& inertia) const
 {
 	(void)mass;