Rotating pringle code

clear, clc, close all

t = [-3.14:0.025:3.14];

x = [sin(pi*t)];

y = [1.5cos(pit)];

i = 0.9;

a = 0.05;

while i > 0

t = [-3.14:a:3.14];

x = [x,isin(pit)];

y = [y,1.5icos(pi*t)];

i = i - 0.1;

a = (i^-1)*.05;

end

z = 0.5((x.²⁾ - (0.5(y.^2)));

s = 0;

d = 5;

f = 5;

while s < 10000

yrot = (ycos(pi/270)) + (zsin(pi/270));

zrot = -(ysin(pi/270)) + (zcos(pi/270));

y = yrot;

z = zrot;

xrot = (xcos(pi/180)) - (ysin(pi/180));

yrot = (xsin(pi/180)) + (ycos(pi/180));

x = xrot;

y = yrot;

xproj = x.*(f./(y+d));

zproj = z.*(f./(y+d));

plot(xproj,zproj,'.')

xlim([-2,2])

ylim([-1.6,1.6])

title('haha pringle go brrr')

s = s + 1;

drawnow

end