let x;

let y;

score = 0

function setup() {

 createCanvas(400, 400);

 frameRate (1);

}

function draw() {

 background(220);

 text("Score:" + score, 10, 25);

 radius = 50

 x = random (400);

 y= random (400);

 fill(random(255), random (255), random(255));

 ellipse(x, y, radius*2, radius*2);

}

function mousePressed() {

 let d = dist(mouseX, mouseY, x, y);

 if (d<radius) {

   fill('black')

   score = score + 1

   textSize(24);

   fill('black');

   text("Score:" + score, 10, 25);

 }

}