public RigidBody(RigidBodyConstructionInfo info, RigidBody.GetTransformDelegate get, RigidBody.SetTransformDelegate set) { m_info = info; OnGetTransform = get; OnSetTransform = set; var biInfo = new Imports.biRigidBodyConstructionInfo(); biInfo.m_mass = m_info.Mass; biInfo.m_collisionShape = m_info.CollisionShape.m_handle; biInfo.m_linearDamping = m_info.LinearDamping; biInfo.m_angularDamping = m_info.AngularDamping; biInfo.m_friction = m_info.Friction; biInfo.m_rollingFriction = m_info.RollingFriction; biInfo.m_restitution = m_info.Restitution; biInfo.m_linearSleepingThreshold = m_info.LinearSleepingThreshold; biInfo.m_angularSleepingThreshold = m_info.AngularSleepingThreshold; m_getDelegate = MotionStateGetTransform; m_setDelegate = MotionStateSetTransform; m_handle = Imports.biCreateRigidBody(ref biInfo, IntPtr.Zero, Marshal.GetFunctionPointerForDelegate(m_getDelegate), Marshal.GetFunctionPointerForDelegate(m_setDelegate)); }