let pizzaImg;

let meatballImg;

let ship;

let flowers = [];

let drops = [];

let startScreen = true;

let gameOverScreen = false;

let font;

let backImg;

let round = 1;

let lives = 3;

let score = 0;

​

function preload() {

  chefImg = loadImage("chef.png");

  pizzaImg = loadImage("pizza.png");

  meatballImg = loadImage("meatball.png");

  backImg = loadImage("Back.jpeg");

  font = loadFont("Club.ttf");

}

​

function setup() {

  createCanvas(600, 400);

  textAlign(LEFT, CENTER);

}

​

function draw() {

  if (startScreen) {

    // Display the start screen

    background(backImg);

    textSize(36);

    textFont(font);

    fill(255, 255, 0);

    text("KITCHEN INVADERS!", 15, height / 6 - 30);

    textSize(18);

    text("Press ENTER to start", 20, height / 15 + 50);

  } else if (gameOverScreen) {

    // Display the game over screen

    background(0);

    textAlign(CENTER, CENTER);

    textSize(48);

    textFont(font);

    fill(255, 0, 0);

    text("GAME OVER", width / 2, height / 2 - 50);

    textSize(24);

    fill(255);

    text("Press ENTER to restart", width / 2, height / 2 + 50);

    textAlign(LEFT, CENTER);

  } else {

    // Main game loop

    background(100, 200, 150);

​

    ship.show();

    ship.move();

​

    // Update and check each meatball's movement and collisions

    for (let i = drops.length - 1; i >= 0; i--) {

      drops[i].show();

      drops[i].move();

      for (let j = flowers.length - 1; j >= 0; j--) {

        if (drops[i].hits(flowers[j])) {

          flowers.splice(j, 1);

          drops.splice(i, 1);

          score++; // Increment score

          break;

        }

      }

    }

​

    // Update and check each pizza's (flower's) movement and collisions

    for (let flower of flowers) {

      flower.show();

      flower.move();

      if (flower.hits(ship)) {

        lives--; // Decrease lives if a pizza hits the ship

        flower.reset(); // Reset pizza position

        ship.reset(); // Reset ship position

        if (lives <= 0) {

          gameOverScreen = true; // Trigger game over

        }

      }

    }

​

    // Add more pizzas when all are defeated

    if (flowers.length === 0) {

      round++;

      let newPizzas = int(random(3, 5));

      for (let i = 0; i < newPizzas; i++) {

        flowers.push(new Flower(i * 80 + 80, 60));

      }

    }

​

    // Display lives and score

    displayLives();

    displayScore();

  }

}

​

// Ship class (represents the chef)

function Ship() {

  this.x = width / 2;

​

  this.show = function () {

    imageMode(CENTER);

    let imgWidth = 130;

    let imgHeight = (chefImg.height / chefImg.width) * imgWidth;

    image(chefImg, this.x, height - 60, imgWidth, imgHeight);

  };

​

  this.move = function () {

    if (keyIsDown(LEFT_ARROW) && this.x > 60) {

      this.x -= 5;

    } else if (keyIsDown(RIGHT_ARROW) && this.x < width - 60) {

      this.x += 5;

    }

  };

​

  this.reset = function () {

    this.x = width / 2;

  };

}

​

// Flower class (represents pizza enemies)

function Flower(x, y) {

  this.x = x;

  this.y = y;

  this.xSpeed = random(-1, 1);

  this.ySpeed = random(1, 2);

​

  this.show = function () {

    imageMode(CENTER);

    let imgWidth = 50;

    let imgHeight = (pizzaImg.height / pizzaImg.width) * imgWidth;

    image(pizzaImg, this.x, this.y, imgWidth, imgHeight);

  };

​

  this.move = function () {

    this.x += this.xSpeed;

    this.y += this.ySpeed;

​

    if (this.x <= 60 || this.x >= width - 60) {

      this.xSpeed *= -1;

    }

​

    if (this.y > height) {

      this.reset();

    }

  };

​

  this.hits = function (ship) {

    let d = dist(this.x, this.y, ship.x, height - 60);

    return d < 50;

  };

​

  this.reset = function () {

    this.y = random(-50, -10);

    this.x = random(60, width - 60);

  };

}

​

// Drop class (represents meatballs shot by the chef)

function Drop(x, y) {

  this.x = x + 15;

  this.y = y;

​

  this.show = function () {

    imageMode(CENTER);

    let imgWidth = 30;

    let imgHeight = (meatballImg.height / meatballImg.width) * imgWidth;

    image(meatballImg, this.x, this.y, imgWidth, imgHeight);

  };

​

  this.move = function () {

    this.y -= 5;

  };

​

  this.hits = function (flower) {

    let d = dist(this.x, this.y, flower.x, flower.y);

    return d < 20;

  };

}

​

// Display remaining lives as dots

function displayLives() {

  fill(0);

  noStroke();

  let xPos = 20;

  for (let i = 0; i < lives; i++) {

    ellipse(xPos, 20, 10, 10);

    xPos += 15;

  }

  textSize(20);

  text("Lifes", xPos + 10, 20);

}

​

// Display score in the top-right corner

function displayScore() {

  textSize(20);

  fill(0);

  textAlign(RIGHT, TOP);

  text("Score: " + score, width - 20, 20);

}

​

// Handle key presses for starting game, restarting, and shooting

function keyPressed() {

  if (startScreen && keyCode == ENTER) {

    startScreen = false;

    gameOverScreen = false;

    ship = new Ship();

    flowers = [];

    drops = [];

    lives = 3;

    score = 0;

    for (let i = 0; i < 6; i++) {

      flowers.push(new Flower(i * 80 + 80, 60));

    }

  } else if (gameOverScreen && keyCode == ENTER) {

    gameOverScreen = false;

    lives = 3;

    flowers = [];

    drops = [];

    score = 0;

    ship.reset();

    for (let i = 0; i < 6; i++) {

      flowers.push(new Flower(i * 80 + 80, 60));

    }

  } else if (key == " ") {

    drops.push(new Drop(ship.x, height - 30));

  }

}

​