void setup() { background(122,122,122); size(700,700);
}
void draw() { background(122,122,122);
fill(255,255,0);
for (int x=-1500;x<=1000;x+=1) { int y1=int(sqrt(x*x));
for (int i = 0; i < 50;i++){ rect(x+300,-y1+i*25,5,5); rect(x+300,-y1,5,5); }