​

class Ball {

  constructor(){

  }

}

​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  for(let i=0;i<balls.length;i++){

    balls[i][2] += 1;

    if(balls[i][1] + balls[i][2] < height){

      balls[i][1] += balls[i][2];

    }

    else{

      balls[i][1] = height - balls[i][3]*25

    }

    circle(balls[i][0],balls[i][1],balls[i][3]*50)

  }

}

​

function mouseClicked(){

  balls.push([mouseX,mouseY,0,random()])

}