How to stop the simulation in one cycle of Simple Pendulum

I made the code of simple pendulum which is moved by trq.

However, depending on the amount of torque, it will continue to rotate.

When the pendulum makes one lap, I want to stop and repeat the control.

In other words, after one lap, it was reset to the initial state [0: 0] and the simulation started again.

Please someone help me.

close all;

% parameter of simple pendulum
Length = 1.0;                       % Length of pendulum
Mass = 1.0;                         % mass of pendulum
Ts = 0.01;                          % time step
Theta_Initial = 0;                  % Initial Value of pendulum's theta
AngularVelocity_Initial = 0;        % Initila Value of pendulum's angularVelocity


% call class of pendulum
Pendulum = classPendulum(Length,Mass,Theta_Initial,AngularVelocity_Initial,Ts);
Trq = -10;
% move


% If this is the case, the pendulum will stop at a certain angle and the simulation will end.
% I want to repeat the movement of the pendulum up to a certain angle.
for i = 1:1000
    if Pendulum.Theta > -4.8
    Pendulum.pstep(Trq);
    end
end