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function setup() { createCanvas(400, 400); ball = new PongBall( random(width), random(height), random([true, false]), random([true, false]) );}function draw() { background(237, 187, 29); fill(random(255), random(255), random(255)); ball.drawBall();}class PongBall { constructor(x, y, dirX, dirY) { this.x = x; this.y = y; this.dirX = dirX; this.dirY = dirY; } bounce() { if (this.dirX == true) { this.x = this.x + 20; } else { this.x = this.x - 20; } if (this.dirY == true) { this.y = this.y + 20; } else { this.y = this.y - 20; } } update() { if (this.x <= 0 || this.x >= width) { if (this.dirX == true) { this.dirX = false; } else { this.dirX = true; } } if (this.y <= 0 || this.y >= height) { if (this.dirY == true) { this.dirY = false; } else { this.dirY = true; } } } drawBall() { this.update(); this.bounce(); circle(this.x, this.y, 30); }}function keyPressed() { if (key === "s") { saveGif("gif", 5); } if (key === "n") { delete ball; ball = new PongBall( random(width), random(height), random([true, false]), random([true, false]) ); }}