flyswat game - OpenProcessing

mySketch
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var froggy; // player
var swamp; // setting
var speed;
let x = 20;
let y = 20;
var foodBits = []; // Array for food bits
var score = 0;
var time;
var gameOver = false;
var fly; // fb pic
​
function preload() {
  swamp = loadImage("swamp.jpeg");
  froggy = loadImage("froggy.png");
  fly = loadImage("fly.png");
}
​
function setup() {
  createCanvas(800, 820);
  time = setTimeout(ended, 30000);
​
  // specified number of food bits
  for (let i = 0; i < 20; i++) {
    foodBits.push(new FoodBits());
  }
}
​
function draw() {
  if (gameOver == false) {
    image(swamp, 0, 0, width, height); //bg image
​
    // display, move, hide etc food (arrays)
    for (let i = 0; i < foodBits.length; i++) {
      foodBits[i].move();
      foodBits[i].display();
      foodBits[i].hide();
      foodBits[i].checkCollision();
    }
​
    drawHero();
​
    push();
    textSize(35);
    fill(4, 71, 7);
    stroke(235, 174, 52);
    strokeWeight(5);
    text("Food for the day:" + score, 100, 30);
    pop();
​
    push();
    textSize(80);
    fill(4, 71, 7)
    stroke(235, 174, 52);
    strokeWeight(5);
    text("Fly Swat! ", 400, 410);
    pop();
​
    //controls
    if (keyIsDown(RIGHT_ARROW)) {
      x += 10;
    }
    if (keyIsDown(LEFT_ARROW)) {
      x -= 10;
    }
    if (keyIsDown(DOWN_ARROW)) {
      y += 10;
    }
    if (keyIsDown(UP_ARROW)) {
      y -= 10;
    }
  }
​
  //end page
  if (gameOver == true) {
    background(0);
    fill(235, 174, 52);
    textSize(70);
    text("GAME OVER! Great Job.", width / 4, height / 2);
    textSize(20);
    text("YOUR SCORE:  " + score, width / 3, height / 1.5);
    text("PRESS F TO RETRY", width / 3, height / 1.3);
  }
}
​
function drawHero() {
  // frog location
  image(froggy, x + width / 3, y + height / 2, 100, 100);
}
​
function ended() {
  print("IT IS FINISHED.");
  gameOver = true;
}
​
class FoodBits {
  constructor() {
    this.x = random(width);
    this.y = random(height);
    this.size = random(10, 50);
    this.speedX = random(-2, 2);
    this.speedY = random(-2, 2);
    this.haveIBeenEaten = false;
  }
​
  display() {
    image(fly, this.x, this.y, this.size, this.size);
  }
​
  hide() {
    if (dist(x + width / 3, y + height / 2, this.x, this.y) < 50) {
      this.x = random(width);
      this.y = random(height);
      score += 1;
      print(score);
    }
  }
​
  checkCollision() {
    let d = dist(x + width / 3, y + height / 2, this.x, this.y);
    if (d < 50) {
      this.hide();
    }
  }
​
  move() {
    this.x += this.speedX;
    this.y += this.speedY;
​
    if (this.x < 0 || this.x > width) {
      this.speedX *= -1;
    }
​
    if (this.y < 0 || this.y > height) {
      this.speedY *= -1;
    }
  }
}
​