Nullsoft AVS Preset 0.2 $   P  д  x = xi / (xc - 1) * 2 - 1;
y = (yi + 0.5) / yc * 2 - 1;
linesize = h / yc + 1;

ra = sqrt(sqr(xf) + sqr(yf));
th = atan2(yf, xf) * 180 / $PI + 360;

sun0 = below((ra * 80 + frame + th) % 40, 20);
sun1 = below((ra * 80 - frame - th) % 40, 20);
star = (frame + ra * 160 + sin((frame - th) * $PI / 36) * 10 + 10) % 50;
star0 = bor(below(star, 25), bnot(below(star, 45)));
star1 = bnot(below(star, 20));
red = if(star1, if(sun1, if(sun0, 1, 0.625), if(sun0, 0.625, 0)), 0);
green = if(band(sun0, sun1), 0.3125, 0);
blue = if(star0, if(sun1, if(sun0, 1, 0.625), if(sun0, 0.625, 0)), 0);

if(equal(yi % 2, 0),
exec2(assign(xi, xi + 1), if(equal(xi, xc), exec2(assign(xi, xc - 1), assign(yi, yi + 1)), exec2(assign(xv, xi), assign(yv, yi)))),
exec2(assign(xi, xi - 1), if(equal(xi, -1), exec2(assign(xi, 0), assign(yi, yi + 1)), exec2(assign(xv, xi + 1), assign(yv, yi)))));
xf = xv / xc * 2 - 1;
yf = yv / yc * 2 - 1; E   xi = 0; xv = 0; xf = 0;
yi = 0; yv = 0; yf = 0;
frame = frame + 1;     F   gr = 3;
xc = w / gr | 0;
yc = h / gr | 0;
n = xc * yc;
frame = 0;              