arc_quickie

float slices = 24;
float orgX, orgY, theta;

void setup() {
  size(500, 500);
  background(255);
  orgX = width/2;
  orgY = height/2;
}


void draw() {

  background(255);

  for (int i=0; i<slices;i++) {
    float unit = TAU/slices;
    if (i%2==0) {
      fill(#480D4A);
    }
    else {
      fill(#BB1C60);
    }

    noStroke();
    float sz = map(sin((i*unit+theta)), -1, 1, 200, 400);
    arc(orgX, orgY, sz, sz, i*unit, (i+1)*unit);
  }

  theta += 0.0523;

  if (frameCount % 4 == 0 && frameCount < 121) saveFrame("image-####.gif");


}