Box2D.Dynamics.Body.Body C# (CSharp) Method

        public Body(BodyDef bd, World world)
        {
            Debug.Assert(bd.Position.Valid);
            Debug.Assert(bd.LinearVelocity.Valid);
            Debug.Assert(bd.GravityScale >= 0.0f);
            Debug.Assert(bd.AngularDamping >= 0.0f);
            Debug.Assert(bd.LinearDamping >= 0.0f);

            Flags = TypeFlags.None;

            if (bd.Bullet)
            {
                Flags |= TypeFlags.Bullet;
            }
            if (bd.FixedRotation)
            {
                Flags |= TypeFlags.FixedRotation;
            }
            if (bd.AllowSleep)
            {
                Flags |= TypeFlags.AutoSleep;
            }
            if (bd.Awake)
            {
                Flags |= TypeFlags.Awake;
            }
            if (bd.Active)
            {
                Flags |= TypeFlags.Active;
            }

            World = world;

            Xf.P.Set(bd.Position);
            Xf.Q.Set(bd.Angle);

            Sweep.LocalCenter.SetZero();
            Sweep.C0.Set(Xf.P);
            Sweep.C.Set(Xf.P);
            Sweep.A0 = bd.Angle;
            Sweep.A = bd.Angle;
            Sweep.Alpha0 = 0.0f;

            JointList = null;
            ContactList = null;
            Prev = null;
            Next = null;

            m_linearVelocity.Set(bd.LinearVelocity);
            m_angularVelocity = bd.AngularVelocity;

            LinearDamping = bd.LinearDamping;
            AngularDamping = bd.AngularDamping;
            GravityScale = bd.GravityScale;

            Force.SetZero();
            Torque = 0.0f;

            SleepTime = 0.0f;

            m_type = bd.Type;

            if (m_type == BodyType.Dynamic)
            {
                Mass = 1f;
                InvMass = 1f;
            }
            else
            {
                Mass = 0f;
                InvMass = 0f;
            }

            I = 0.0f;
            InvI = 0.0f;

            UserData = bd.UserData;

            FixtureList = null;
            FixtureCount = 0;
        }