OG_Final_Game2 - OpenProcessing

mySketch
tab2
tab3
xxxxxxxxxx
 
// Variables
let startButton; //start button of the game
let character; //main character
let projectiles = [];
let gameStarted = false;
let gameOver = false; //end of the game
let projectileSpeed = 10; //speed adjustment
let batSpeed = 5; //speed of bats
let numProjectiles = 30; //number of bats
let startTime;
let elapsedTime;
let img1, img2, img3, img4, img5, imgLife; //images used in the game
let ballsOut = 0;
let song; // bloody tears, main theme song of castlevania
​
let health = 3; //total health count
let lifeImages = [];
​
// Preload
function preload() {
  startButton = loadImage('StartButton.png'); //start button
  img1 = loadImage('Background.png'); //background of the game
  img2 = loadImage('GameOver.png'); //game over screen
  imgLife = loadImage('life.png'); //life heart image
  img3 = loadImage('background2.png'); //background 2
  img4 = loadImage('background3.png');//background 3
  img5 = loadImage('background4.png');//background 4
  song = loadSound('Bloody.Tears.mp3'); //bloody tears
}
​
// Setup function
function setup() {
  createCanvas(800, 800); //size of the canvas
  character = new Character(); //create new character with each restart
  resetGame(); //reset score, health etc
  //delete one life for each hit
  for (let i = 0; i < health; i++) {
    lifeImages.push(imgLife);
  }
}
​
// Draw function
function draw() {
  background(255); //background color
​
  // check if it's time to change the background image
  if (ballsOut >= 30) {
    img1 = img3;
    // change the background image
  }
  // check if it's time to change the background image
  if (ballsOut >= 60) {
    img3 = img4;
    // Change the background image
  }
  // check if it's time to change the background image
  if (ballsOut >= 120) {
    img4 = img5;
    // change the background image
  }
​
  image(img1, 0, 0, width, height); //background image
​
  if (!gameStarted) {
    drawStartScreen(); //start screen
  } else if (gameOver) {
    drawEndScreen(); //game over screen
  } else {
    character.move();
    character.display();
​
    //count time
    if (!startTime) {
      startTime = millis();
    }
​
    //spawn projectiles
    if (frameCount % 60 === 0) {
      for (let i = 0; i < numProjectiles; i++) {
        projectiles.push(new Projectile(batSpeed));
      }
      projectileSpeed += 0.1;
​
      //increase the number of projectiles by time
      numProjectiles += 0.1;
    }
​
    //projectile loop
    for (let i = projectiles.length - 1; i >= 0; i--) {
      projectiles[i].move();
      projectiles[i].display();
​
      //hit check
      if (character.hits(projectiles[i])) {
        // delete projectile that is hit
        projectiles.splice(i, 1);
        // reduce health
        health--;
        // check if health is zero in order to trigger end screen
        if (health <= 0) {
          gameOver = true; // Trigger game over
        }
        // if life is more than 3 remove 1
        else if (lifeImages.length > 3) {
          lifeImages.pop();
        }
        break; //make sure one life is removed each time
      }
​
      // remove projectiles offscreen
      if (projectiles[i].offscreen()) {
​
        if (ballsOut >= 30) {
          projectiles[i].changeImage();
        }
​
        projectiles.splice(i, 1);
        ballsOut++;
      }
    }
​
    //display elements
    elapsedTime = millis() - startTime;
    displayTimer();
    displayBallsOut();
    displayHealth();
    if (!song.isPlaying()) {
      song.play();
    }
    // start playing the music when the game starts
    
    }
  
}
​
// Display timer
function displayTimer() {
  let seconds = Math.floor(elapsedTime / 1000);
  textAlign(RIGHT);
  textSize(16);
  fill(255, 214, 10);
  text('Time: ' + seconds + 's', width - 10, 20);
}
​
// Display bats out
function displayBallsOut() {
  textAlign(RIGHT);
  textSize(16);
  fill(255, 214, 10);
  text('Bats Dodged: ' + ballsOut, width - 10, 40);
}
​
// Display health
function displayHealth() {
  let maxHealthDisplay = min(3, health);
  let posX = 10; // x position of the life image
  let posY = 10; // x position of the life image
  for (let i = 0; i < maxHealthDisplay; i++) {
    image(lifeImages[i], posX, posY, 25, 25); //size
    posX += 25; // spacing between life images
  }
}
​
// Key pressed function
function keyPressed() {
  if (keyCode === ENTER && !gameStarted) {
    gameStarted = true;
  } else if (keyCode === 32 && gameOver) {
    resetGame();
  }
}
​
// Draw start screen
function drawStartScreen() {
  textAlign(CENTER);
  textSize(32);
  fill(255);
  text('Press ENTER to', width / 2, height / 2);
  image(startButton, width / 2 - 50, height / 2 + 50, 100, 50);
}
​
// Draw end screen
function drawEndScreen() {
  image(img2, 0, 0, width, height);
  text('Time: ' + Math.floor(elapsedTime / 1000) + 's', 700, 75);
  text('Bats Dodged: ' + ballsOut, 700, 50);
  textSize(20);
  text('Press SPACE to play again', 500, 725);
  if (song.isPlaying()) {
    song.stop();
  }
  // stop playing the music when the game is over
  
  
}
​
// Reset the game
function resetGame() {
  character = new Character();
  projectiles = [];
  gameOver = false;
  projectileSpeed = 1;
  startTime = null;
  elapsedTime = 0;
  ballsOut = 0;
  health = 3;
  numProjectiles = 0.9;
  lifeImages = [];
  for (let i = 0; i < health; i++) {
    lifeImages.push(imgLife);
  }
}