Fireflies in early summer

on 19 Oct 2021

% Inspired by Owl City - Fireflies

f=@rand;

axes(Po=[0 0 1 1],Color='k',Ali=[.9,8],XLi=[0,6],YLi=[-.4,4]);

hold

Current plot held

fill([0,0:6/497:6,6],[0,sin(.4:1.6/497:2)+f(1,498)/3,0]-.7,[0 .25 0])

% Fireflies

% Designed for default figure size

for i=1:150

t=f(1,99)*6;

r=f(1,99)/15;

h=scatter(f()*6+r.*cos(t),f()*randg(2)+r.*sin(t),9,'y','f');

set(h,MarkerFaceA='f',AlphaData=1-r+f()/3) % final rand adds depth variability

end