public void MaxVelocityAtPlayer(VRageMath.Vector3D playerPosition)
{
var v = playerPosition - CubeGrid.PositionAndOrientation.Value.Position;
v.Normalize();
v = Vector3.Multiply(v, SpaceEngineersConsts.MaxShipVelocity);
CubeGrid.LinearVelocity = (Vector3)v;
CubeGrid.AngularVelocity = new VRageMath.Vector3(0, 0, 0);
RaisePropertyChanged(() => LinearVelocity);
}