matlab spinning Rectangles

GeomTest.m

%% Clean

clear GeomTest;
clc;
clf
cla
%%

h2 = figure();
ax1 = axes(h2);
%ax2 = axes(h2);
axis(5*[-10 10 -10 10]);
j=0;
l=1;
for i = 1:10
    
    hold on;
    if(mod(i,2)==0)
        r1(j) = rectangle('Parent',ax1,'Position',[-l/2,-l/2,l,l],'EdgeColor','r');
    else
        j=j+1;
        r2(j) =  rectangle('Parent',ax1,'Position',[-l/2,-l/2,l,l],'EdgeColor','g');   
        hold off;
    end
    l = l*1.4142;
end


%% Rotate
t = hgtransform('Parent',ax1);
set(r1,'Parent',t);

t2 = hgtransform('Parent',ax1);
set(r2,'Parent',t2);

%%
for i = 1:10000

Rot = makehgtform('zrotate',pi*(i/1000));
t.Matrix = Rot;
% r1(5).Position = r1(5).Position +.001;
Rot = makehgtform('zrotate',pi*(i)/1000);
t2.Matrix = Rot';

drawnow;
% pause(0.001);
end

Stopped Big red Square from moving around