/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://studio.sketchpad.cc/sp/pad/view/ro.gyEN2aaD5p6/rev.227
 * 
 * authors: 
 *   abethree

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



void setup(){
    size(500,500);
    colorMode(RGB);
    background(245);
    strokeWeight(5);
    frameRate( 1 );
    smooth();
}

void draw(){
    background(245);
    float radius = 10;
    int centX = 250;
    int centY = 250;
    
    stroke(0, 30);
    fill(255);
    ellipse(centX,centY,radius*40,radius*40);

    stroke(20, 50, 70);
    float x, y;
    float lastx=0;
    float lasty=0;
    float radiusNoise= random(10);
    
    for (float ang=0; ang<=1440; ang+=5){
      radius+=0.5;
      radiusNoise+=0.3;
      float thisRadius= radius+(noise(radiusNoise)*200)-100;
      float rad=radians(ang);
      x = centX + (thisRadius * cos(rad));
      y = centY + (thisRadius * sin(rad));
      
      if (lastx>0){
        line(x,y,lastx,lasty);
      }
        
      lastx=x;
      lasty=y;

    }
    
}