let startVel=0.03; //wave speed

let angleVel=0.1; //space in btw cells

let angle;

let r=20;

let amp=100;

let stepLength=10;

let count=0.1;

​

function setup() {

  createCanvas(400, 600);

}

​

function draw() {

  background(10,10);

  angle=startAngle;

  for(let y=0;y<height;y+=stepLength){

​

    x=width/2+sin(angle)*amp;

  //x=width/2+sin(angle)*amp+random(-10,10);

  let co= map(sin(count),-1,1,80,220);

  fill(60,co,100,20); 

  noStroke();

  ellipse(x,y,r,r);

  angle+=angleVel;

 // angleVel+=sin(angle)*0.02;

  angleVel=map(sin(count),-1,1,0.04,0.2);

}

// angleVel=map(sin(angle),-1,1,0.1,0.4);

startAngle+=startVel;

startVel+=sin(count)*0.01;

count+=0.1;

}