let yes = [];

let xspeed = [];

let yspeed = [];

​

function setup() {

  createCanvas(400, 400);

  // Initialize positions and speeds for 50 balls

  for (let b = 0; b < 50; b++) {

    xes.push(random(width));    // Random horizontal position

    yes.push(random(height));   // Random vertical position

    xspeed.push(random(-5, 5)); // Random horizontal speed

    yspeed.push(random(-5, 5)); // Random vertical speed

  }

}

​

function draw() {

  background(220);

  // Loop through all the balls

  for (let b = 0; b < xes.length; b++) {

    // Update positions

    xes[b] += xspeed[b];

    yes[b] += yspeed[b];

    // Check for collisions with borders

    if (xes[b] <= 0 || xes[b] >= width) {

      xspeed[b] *= -1;  // Reverse horizontal speed

    }

    if (yes[b] <= 0 || yes[b] >= height) {

      yspeed[b] *= -1;  // Reverse vertical speed

    }

    // Draw the ball

    ellipse(xes[b], yes[b], 50, 50); // Corrected missing comma here

  }

}

​