//Data Variables: sun, mon, tue, wed, thu, fri, sat 
int[] data = {3,1,4,3,3,4,5};
String[] labels = {
  "SUN", "MON", "TUE", "WED", 
  "THU", "FRI", "SAT"
};
int total;
float[] perc = new float[7];

// The sketch variables
float maxW, maxArea, cx, cy, lastX, w;

color [] colors = {
  color(238, 118, 0), // sunday
  color(123, 165, 248), 
  color(7, 57, 1), 
  color(255, 246, 63), 
  color(255, 0, 0), 
  color(0, 255, 0), 
  color(0, 0, 255)     // saturday
};

void setup(){
  size(500,500);
  background(255);
  smooth();
  noLoop();

  // process
  // compute the total population
  total = 0;
  for (int i=0; i < data.length; i++) {
    total += data[i];
  }

  // compute percentages
  for (int i=0; i < data.length; i++) {
    perc[i] = float(data[i])/total;
  }

  // sketch variables
  maxW = width/(1+data.length);
  maxArea = PI*maxW/2*maxW/2;    // max area of bubble
  cy = height/2;
  lastX = 0;

}//setup

void draw(){ 
 for(int i=0; i<data.length; i++){
    // set up parameters for ith bubble
    cx = lastX+maxW;
    w = 2*sqrt(maxArea*perc[i]/PI);  // size of bubble

    // draw the bubble
    noStroke();
    fill(colors[i]);
    ellipse(cx, cy, w, w);
    lastX = cx;

    // labels
    stroke(0);
    fill(0);
    textSize(12);
    text(labels[i], cx-12, cy+50);
  }

    
  // draw title
  fill(0);
  textSize(24);
  rectMode(CENTER);
  text("Births by Day of Week", 105, 50);
}