/**
 * Sun Slices
 * 
 * From http://www.openprocessing.org/sketch/149960
 * By Jerome Harr
 * 
 * Adapted to KhanAcademy processing.js by Raphael Rouvinov-Kats
 * */

var step, i=0, num=26; // int
var theta = 0; // float
 
step = floor(height/num);
angleMode = "radians";

var draw = function() {
  background(20);
  fill(255, 183, 0);
  noStroke();
  ellipse(width/2, height/2, width*0.6, height*0.6);
  
  i = 0;
  for (var y = 2*step; y < height - 2*step + 1; y += step) {
    var sw = map(sin(theta+(TWO_PI/num*i)), -1, 1, 1.5, 12);
    var edge = 2*step;
    stroke(20);
    strokeWeight(sw);
    line(edge, y, width-edge, y);
    i++;
  }
  
  theta += 0.0523;
};