Generative Experiment

/******************

Code by Vamoss

Original code link:

https://openprocessing.org/sketch/386221

​

Author links:

http://vamoss.com.br

http://twitter.com/vamoss

http://github.com/vamoss

******************/

​

var colors;

​

function setup() {

  createCanvas(600, 600); 

  background(0);

  colors = [

    color(0, 67, 88),

    color(31, 138, 112),

    color(190, 219, 57),

    color(255, 31, 26),

    color(253, 116, 0)

  ];

} 

​

function draw() {

  radius = random(width/2-20);

  //random select a color

  var col = random(colors);

  //circular line

  noFill();

  stroke(col);

  strokeWeight(2);

  ellipse(width/2, height/2, radius*2, radius*2);

  //line from center

  if(random()<0.1){

    strokeWeight(1);

    var angle = random(PI*2);

    line(width/2, height/2, width/2+radius*sin(angle), height/2+radius*cos(angle));

  }

  //circles around circular line

  if(random()<0.1){

    var circleSize = random(10, 40);

    var circlesInPerimeter = TWO_PI*radius/circleSize;

    var totalCircles = random(circlesInPerimeter);

    var angle = random(TWO_PI);

    var stepAngle = circleSize*TWO_PI/(TWO_PI*radius);

    fill(col);

    noStroke();

    for(var i=0; i<totalCircles; i++){

      angle += stepAngle;

      arc(width/2+sin(angle)*radius, height/2+cos(angle)*radius, circleSize, circleSize, TWO_PI-angle, TWO_PI+PI-angle);

    }

  }

}