Modified clone of 'Modified clone of 'Spinner''

Original code before I touched or made adjustments to

int i = 50;
int step = 3;

void setup() {
background(255);
size(400, 400);
smooth();
frameRate(30);
strokeWeight(8);
noFill();
}



void draw() {
background(255);

translate(width/2, height/2);

for (n = 0; n < 128; n++) {
stroke(0, n*2, 256-n, n/2);
rotate(radians(0 + (n * 15)));
ellipse(30 + (sin(radians(i * 12))), 25 - i/2, 100, 75 + i);
}

if (i > 160) {
step *= -1;
}
if (i < -25) {
step *= -1;
}

i+=step;