public void getWorldManifold( out Vector2 normal, out FixedArray2<Vector2> points )
{
var bodyA = fixtureA.body;
var bodyB = fixtureB.body;
var shapeA = fixtureA.shape;
var shapeB = fixtureB.shape;
ContactSolver.WorldManifold.initialize( ref manifold, ref bodyA._xf, shapeA.radius, ref bodyB._xf, shapeB.radius, out normal, out points );
}