A = [0 0 ;
1 0.2;
0 1 ;
0 0.6;
1 0 ;
1 1 ;
0.6 1;
0.2 0;
0 0 ;
0.2 1;
0 0.2;
0.6 0;
1 0.6];
c = [mean(A(:,1)), mean(A(:,2))]; % centroid of the points
d = A - c; % vectors from points to centroid
angles = atan2d(d(:,1), d(:,2)); % angles from centroid to each point
[~,idx] = sort(angles, 'descend'); % sort the angles anti-clockwise
B = A(idx, :) % sort the points based on the angles
plot(B(:,1),B(:,2), 'rx')
grid on
hold on
text(B(:,1), B(:,2), sprintfc('%d', 1:numel(idx)))
plot(c(1), c(2), 'bo')
