public void GetWorldManifold(WorldManifold worldManifold)
{
Body bodyA = FixtureA.Body;
Body bodyB = FixtureB.Body;
Shape shapeA = FixtureA.Shape;
Shape shapeB = FixtureB.Shape;
worldManifold.Initialize(Manifold, bodyA.GetTransform(), shapeA.Radius, bodyB.GetTransform(), shapeB.Radius);
}