/// <summary>
/// Clones the fixture and attached shape onto the specified body.
/// Note: This is used only by Deserialization.
/// </summary>
/// <param name="body">The body you wish to clone the fixture onto.</param>
/// <returns>The cloned fixture.</returns>
internal Fixture CloneOnto(Body body, Shape shape)
{
Fixture fixture = new Fixture(shape.Clone());
fixture.UserData = UserData;
fixture.Restitution = Restitution;
fixture.Friction = Friction;
fixture.IsSensor = IsSensor;
fixture._collisionGroup = _collisionGroup;
fixture._collisionCategories = _collisionCategories;
fixture._collidesWith = _collidesWith;
body.Add(fixture);
return(fixture);
}