After Hirst

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let n = 15;

let radius = 12;  

let diameter;

let space;

let agents = [];

let numAgents = n*n;

​

function setup() {

  createCanvas(600, 600);

  colorMode(RGB, 1.0, 1.0, 1.0);

  background(1.0, 1.0, 1.0);

  diameter = 2 * radius;

  space = (width - n * diameter) / (n - 1);

​

  for (let i = 0; i < n; i++) {

    for (let j = 0; j < n; j++) {

      let c = color(random(1.0), random(1.0), random(1.0));

      agents[i * n + j] = new Agent(i * space + (2 * i + 1) * radius, j * space + (2 * j + 1) * radius, radius, c);

    }

  }

}

​

function draw() {

  background(1.0, 1.0, 1.0);

  for(let i = 0; i < numAgents; i++) {

    agents[i].display();

    agents[i].evolve(0.05);

  }

}

​

class Agent{

  constructor(x, y, radius, c) {

    this.x = x;

    this.y = y;

    this.radius = radius;

    this.r0 = radius;

    this.r = 1.0;

    this.c = c;

    this.r = red(c);

    this.g = green(c);

    this.b = blue(c);

  }

​

  evolve(dt) {

    let temp = this.r + random(-dt, dt);

    if(temp <= 1.0 && temp >= 0) {

      this.r = temp;

    }

    temp = this.g + random(-dt, dt);

    if(temp <= 1.0 && temp >= 0) {

      this.g = temp;

    }  

    temp =  this.b + random(-dt, dt);  

    if(temp <= 1.0 && temp >= 0) {

      this.b = temp;

    } 

    this.c = color(this.r, this.g, this.b);

  }

​

  display() {

    noStroke();

    fill(this.c);

    circle(this.x, this.y, 2 * this.radius);

  }

}

​