[matlab] - draw a five-star red flag

% Five star red flag

function varargout=saxplaxliu(varargin)

x=[0 0 40 40 0];

y=[0 13 13 0 0];

k=40/13;

fill(x,y,'r')

hold on

plot(x,y,'r')

axis([0 40 0 13])

seta=pi/6;

R=1.5;R2=0.55;x0=7;y0=9;seta=0;

fliu(R,R2,x0,y0,seta,k)

R=0.6;R2=0.23;x0=15;y0=11.6;seta=-pi/20;

fliu(R,R2,x0,y0,seta,k)

R=0.6;R2=0.23;x0=20;y0=10;seta=pi/20;

fliu(R,R2,x0,y0,seta,k)

R=0.6;R2=0.23;x0=19;y0=7;seta=pi/25;

fliu(R,R2,x0,y0,seta,k)

R=0.6;R2=0.23;x0=16;y0=5;seta=-pi/10;

fliu(R,R2,x0,y0,seta,k)

axis off

function fliu(R,R2,x0,y0,seta,k)

x=zeros(1,10);

y=x;

for i=1:5

x(2*(i-1)+1)=R*cos(pi/2+2*pi/5*(i-1)+seta);

x(2*i)&