//noise for minigun and multishot

//different enemies (higher health)

//sprites (items,player,enemies,attacks)

//background (noise generated, stars and planets or surface of planet)

//item:self destruct

//canvas resizing

//mobile support

//--------------------\\

​

​

//Check if given position is off the border

function borderCheck(pos){

  if(pos.x >= 0 && pos.x <= width && pos.y >= 0 && pos.y <= height){

    return true;

  }else{

    return false;

  }

}

​

//check if mobile device

function checkMobileDevice(){

  if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {

    return true

  }

}

​

//defintions 

let ship;

let bullets = [];

let enemies = [];

let bosses = [];

let items = [];

​

let spawnEnemyRate = 0.01; 

let enemyCap = 150;

let spawnItemRate = 0.4;

let score = 0;

let time = 0;

const speed = 1;

​

let singlePew;

let multiPew;

​

let bossGate = false;

let bossAlive = false; 

​

let gamePaused = true;

let upgradeMenuGate = false;

let mainMenu = true; 

let mainMenuImage;

​

let speedUpgrade,bulletSpeedUpgrade,healthUp,restart,startGame,backToMainMenu,activeSpeed,freezeActive;

let freezeTimer = 0;

​

//fire data base

let bulletMaxSpeed = 10;

let bulletCooldown = 50; 

​

var database,ref;

let usernameInit,submitButton;

​

//mobile

let isMobileDevice;

let controlpadW = 50;

let controlpadH = 75;

let controlpadSpace = 25;

let controlpadX;

let controlpadY;

​

//music 

let tracks = [];

let currentTrack;

​

//load sound

function preload(){

  singlePew = loadSound('Sounds/single_shot.mp3');

  multiPew = loadSound('Sounds/multiple_shot.mp3');

  mainMenuImage = loadImage("Sprites/art.png");

  //load in music

  let m = loadSound('music/track1.mp3');

  append(tracks,m);

  m = loadSound('music/track2.mp3');

  append(tracks,m);

    m = loadSound('music/track3.mp3');

  append(tracks,m);

    m = loadSound('music/track4.mp3');

  append(tracks,m);

    m = loadSound('music/track5.mp3');

  append(tracks,m);

    m = loadSound('music/track6.mp3');

  append(tracks,m);

    m = loadSound('music/track7.mp3');

  append(tracks,m);

}

​

//return random song

function  getRandomSong(){

  return tracks[Math.floor(Math.random()*tracks.length)];

}

​

//once song has ended, play a new random song

function playMusic(){

  if(currentTrack == null){

    currentTrack = getRandomSong();

  }

  if(!currentTrack.isPlaying()){

    currentTrack = getRandomSong();

    currentTrack.play();

  }

}

​

function stopMusic(){

  currentTrack.stop();

}

​

function setup() {

  createCanvas(windowWidth,windowHeight);

  ship = new player(width/2,height-100);

  items.push(new Item());

  //check device

  if(checkMobileDevice()){

    isMobileDevice = true;  

  }else{

    isMobileDevice = false;

  }

  controlpadX = (5*width)/6;

  controlpadY = (3*height)/4;

  //set up fire data base

  databaseInit();

  //Username and Submit buttons

  initUsername = createInput("Enter Name");

  initUsername.position(width/2-100,height/2+50);

  initUsername.hide();

  submitButton = createButton("Submit");

  submitButton.position(width/2+75,height/2+50);

  submitButton.mousePressed(submitScore);

  submitButton.hide();

  //upgrade buttons

  speedUpgrade = createButton('Upgrade Speed');

  speedUpgrade.position(width/2-100, height/2-100);

  speedUpgrade.mousePressed(applySpeedUpgrade);

  speedUpgrade.hide();

  bulletSpeedUpgrade = createButton('Upgrade Bullet Speed');

  bulletSpeedUpgrade.position(width/2-100, height/2);

  bulletSpeedUpgrade.mousePressed(applyBulletUpgrade);

  bulletSpeedUpgrade.hide();

  healthUp = createButton('+1 Health');

  healthUp.position(width/2-100, height/2+100);

  healthUp.mousePressed(applyHealthUpgrade);

  healthUp.hide();

  //menu buttons

  startGame = createButton('Play Game');

  startGame.position(100, height-100);

  startGame.mousePressed(closeMenu);

  startGame.hide();

  //end game 

  restart = createButton('Play Again');

  restart.position(width/2-110,height/2+150);

  restart.mousePressed(restartGame);

  restart.hide();

  backToMainMenu = createButton('Back to Main Menu');

  backToMainMenu.position(width/2+10,height/2+150);

  backToMainMenu.mousePressed(startMainMenu);

  backToMainMenu.hide();

}

​

//call to play pew noise

function playPew(s){

  //if(!s.isPlaying()){

    s.play();

  //}

}

​

​

​

//player movement

function getMovements(){

  let movement = createVector();

  if(!isMobileDevice){

    if(keyIsDown(65)){

      //A

      movement.x = -speed;

    }

    if(keyIsDown(68)){

      //D

      movement.x = speed;

    }

    if(keyIsDown(87)){

      //W

      movement.y = -speed;

    }

    if(keyIsDown(83)){

      //S

      movement.y = speed;

    }

  }else{

    //for now adding everything to this spot

    //lower

    stroke(255,0,0);

    fill(230,90)

  rect(controlpadX-controlpadW/2,controlpadY+controlpadSpace,controlpadW,controlpadH);

  //right

  rect(controlpadX+controlpadSpace,controlpadY-controlpadW/2,controlpadH,controlpadW);

  //upper

  rect(controlpadX-controlpadW/2,controlpadY-controlpadH-controlpadSpace,controlpadW,controlpadH);

  //left

  rect(controlpadX-controlpadH-controlpadSpace,controlpadY-controlpadW/2,controlpadH,controlpadW);

  //check if mouse is in lower 

  if(mouseX >= controlpadX-controlpadW/2 && mouseX <= controlpadX+controlpadW/2 && mouseY >= controlpadY + controlpadSpace && mouseY <= controlpadY + controlpadSpace + controlpadH && mouseIsPressed){

    movement.y = speed;

  }

  //check if mouse is in upper 

  if(mouseX >= controlpadX-controlpadW/2 && mouseX <= controlpadX+controlpadW/2 && mouseY >=controlpadY-controlpadH-controlpadSpace && mouseY <=controlpadY-controlpadSpace && mouseIsPressed){

    movement.y = -speed;

  }

  //check if mouse is in right

  if(mouseX >= controlpadX+controlpadSpace && mouseX <= controlpadX + controlpadSpace + controlpadH&& mouseY >= controlpadY-controlpadW/2 && mouseY <= controlpadY+controlpadW/2 && mouseIsPressed){

    movement.x = speed;

  }

  //check if mouse is in left

  if(mouseX >= controlpadX-controlpadSpace-controlpadH && mouseX <= controlpadX - controlpadSpace&& mouseY >= controlpadY-controlpadW/2 && mouseY <= controlpadY+controlpadW/2 && mouseIsPressed){

    movement.x = -speed;

  }

  }

  ship.move(movement);

}

​

//shooting

function shoot(){

  if(ship.alive && frameCount % bulletCooldown == 0){

    playPew(singlePew);

​

    bullets.push(new Bullet(ship.pos.x,ship.pos.y,ship.heading));

​

    //add more bullets for multishot

    if(ship.multishot){

      playPew(singlePew);

      playPew(singlePew);

​

      bullets.push(new Bullet(ship.pos.x,ship.pos.y,ship.heading+0.5));

      bullets.push(new Bullet(ship.pos.x,ship.pos.y,ship.heading-0.5));

    }

  }

}

​

//Spawn boss when player reaches certain score

function spawnBoss(){

  let ran = random(1);

  let x,y;

  let furthestSpawn = 30;

​

  if(ran <=1/4){

    //top

    x = random(width);

    y = random(-furthestSpawn,0);

  }else if(ran <=2/4){

    //bottom

    x = random(width);

    y = random(height,height+furthestSpawn);

  }else if(ran <=3/4){

    //left

    x = random(-furthestSpawn,0);

    y = random(height);

  }else if(ran <=4/4){

    //right

    x = random(width,width+furthestSpawn);

    y = random(height);

  }

  bosses.push(new Enemy(x,y,"boss"));

}

​

//spawn enemies. Ramps up with frames

function spawnEnemy(){

  if(frameCount % 500 == 0 && bossAlive == false){

    spawnEnemyRate += 0.01;

    //console.log('spawn rate increased: ',spawnRate);

  }

  if(enemies.length <= enemyCap){

    if(random(1) < spawnEnemyRate){

      let ran = random(1);

      let x,y;

      let furthestSpawn = 30;

​

      if(ran <=1/4){

        //top

        x = random(width);

        y = random(-furthestSpawn,0);

      }else if(ran <=2/4){

        //bottom

        x = random(width);

        y = random(height,height+furthestSpawn);

      }else if(ran <=3/4){

        //left

        x = random(-furthestSpawn,0);

        y = random(height);

      }else if(ran <=4/4){

        //right

        x = random(width,width+furthestSpawn);

        y = random(height);

      }

      enemies.push(new Enemy(x,y,"basic"))

    }

  }

}

​

//spawn items

function spawnItem(){

  if(frameCount % 500 == 0){

    spawnItemRate += 0.05;

  }

  if(items.length <= 3){

    if(frameCount % 250 == 0){

      if(random(1) < spawnItemRate){

        items.push(new Item());

      } 

    } 

  } 

} 

​

//------Main Menu-------\\

​

//start main menu

function startMainMenu(){

  mainMenu = true;

  gamePaused = true;

  restart.hide();

  backToMainMenu.hide();

  initUsername.hide();

  submitButton.hide();

  loop();

}

​

//display main menu

function displayMainMenu(){

  mainMenuImage.resize(width,height);

  image(mainMenuImage,0,0);

  startGame.show(); //turn play game on

}

​

//close the main menu

function closeMenu(){

  startGame.hide();

  mainMenu = false;

  gamePaused = false;

  backToMainMenu.hide();

  restartGame();

}

​

​

​

//------Play Game Loop-------\\

function playGame(){

    background(0);

    //Check to spawn boss

    if(score > 1 && score % 150 == 0 && bossAlive == false){

      bossGate = true; 

    }

    //update freeze timer

    if(freezeActive){

          freezeTimer++;

    } 

    //Spawn boss

    if(bossGate){

      spawnBoss();

      bossGate = false;

      bossAlive = true; 

    }

    //Check if boss is still alive

    if(bosses.length == 0){

      bossAlive = false;

    }

    //Don't spawn enemies if boss is alive

    if(!bossAlive){

      spawnEnemy();

    }

    spawnItem();

    getMovements();

    shoot();  

    //minigun

    if(ship.minigun){

      bullets.push(new Bullet(ship.pos.x,ship.pos.y,ship.heading+random(-0.1,0.1)));

      playPew(singlePew);

      //multishot

      if(ship.multishot){

        bullets.push(new Bullet(ship.pos.x,ship.pos.y,ship.heading+0.5+random(-0.1,0.1)));

        bullets.push(new Bullet(ship.pos.x,ship.pos.y,ship.heading-0.5+random(-0.1,0.1)));

      }

      //knockback

      let oppDir = p5.Vector.fromAngle(ship.heading+PI);

      oppDir.normalize();

      if(ship.multishot){

        oppDir.mult(0.75);

      }else{

        oppDir.mult(0.25);

      }

      ship.move(oppDir);

    }

    //----Items----\\

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

      let item = items[i];

      item.show();

      //item goes away and does action

      if(!item.alive){

        item.action(ship);

        items.splice(i,1);

      }

    }

    //----Bullets----\\

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

      let bullet = bullets[i];

      bullet.update();

      bullet.show();

      //check for enemy-bullet collusion

      for(let enemy of enemies){

        if(bullet.collision(enemy)){

          bullets.splice(i,1);

          enemy.hit();

          ship.levelUp('enemy');

        }

      }

      for(let boss of bosses){

        if(bullet.collision(boss)){

          bullets.splice(i,1);

          boss.hit();

          ship.levelUp('boss');          

        }

      }

      //remove bullet

      if(!bullet.alive){

        bullets.splice(i,1);

      }

    }

​

    //----Ship----\\

    if(ship.health <= 0){

      ship.alive = false;

    }

​

    ship.update();

    ship.show();

    //colide with enemy

    for(let enemy of enemies){

      if(!ship.invincible){

        if(ship.collision(enemy)){

          enemy.alive = false;

          score++;

          if(ship.shield){

            ship.shield = false;

          }else{

            ship.health --;

          }

        }

      }

    }

    //collide with boss 

    for(let boss of bosses){

      if(!ship.invincible){

        if(ship.collision(boss)){

          boss.alive = false;

          score++;

          if(ship.shield){

            ship.shield = false;

          }else{

            ship.health -= boss.health;

          }

        }

      }

    }

    //collide with item

    for(let item of items){

      if(ship.collision(item)){

        item.alive = false;

      }

    }

    //----Boss----\\

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

      let boss = bosses[i];

      if(boss.alive){

        boss.arrive(ship.pos);

        boss.update();

        boss.display();

      }else{

        bosses.splice(i,1);  

      }

    }

    //----Enemy----\\

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

      let enemy = enemies[i];

      if(enemy.alive){

        //only if freeze is unactive

        if(freezeTimer > 200){

          freezeTimer = 0;

          freezeActive = false;

        }

        if(!freezeActive){

          enemy.arrive(ship.pos);

          enemy.update();

        }

        enemy.display();

      }else{

        enemies.splice(i,1);  

      }

    }

    //----Text----\\\

    textSize(15);

    stroke(255);

    fill(0);

    text("Score: "+score,10, 20);

    text("Health: "+ship.health,10,40);

    text("Level: "+ship.level,10,60)

}

​

function endGame(){

  //stopMusic();

  noLoop();

  fill(255,255,255,90);

  rect(20,20,width-40,height-40,50);

  textSize(50);

  stroke(255,0,0);

  fill(255,0,0);

  text("Get Good",width/2-110,height/2-100);

  restart.show();

  backToMainMenu.show();

  initUsername.show();

  submitButton.show();

  showData();

}

​

function restartGame(){

  ship = new player(width/2,height-100);

  bullets = [];

  enemies = [];

  bosses = [];

  items = [];

  items.push(new Item());

  spawnEnemyRate = 0.01; 

  enemyCap = 150;

  spawnItemRate = 0.4;

  score = 0;

  time = 0;

  bossGate = false;

  bossAlive = false; 

  bulletMaxSpeed = 10;

  bulletCooldown = 50;

  restart.hide();

  backToMainMenu.hide();

  initUsername.hide();

  submitButton.hide();

  loop();

}

​

​

​

//-------Upgrade Menu---------\\

​

//open menu

function upgradeMenu(){

  noLoop();

  fill(255,255,255,40);

  rect(20,20,width-40,height-40,50);

  stroke(255);

  fill(255);

  textSize(20);

  text("Pick an Upgrade",width/2-100,100);

  healthUp.show();

  bulletSpeedUpgrade.show();

  speedUpgrade.show();

}

​

​

//action for buttons

function applyHealthUpgrade(){

  ship.health ++;

  upgradeMenuOff();

}

​

function applySpeedUpgrade(){

  ship.maxSpeed ++;

  upgradeMenuOff();

}

​

function applyBulletUpgrade(){

  if(bulletCooldown != 1){

    bulletCooldown --;

  }

  upgradeMenuOff();

}

​

//Close menu 

function upgradeMenuOff(){

  gamePaused = false;

  upgradeMenuGate = false;

  healthUp.hide();

  bulletSpeedUpgrade.hide();

  speedUpgrade.hide();

  ship.invincibilityFrames();

  loop();

}

​

function draw() {

  noStroke();

  fill(0,50);

  rect(0,0,width,height);

  playMusic();

  if(mainMenu){

     displayMainMenu();

  }else if(ship.alive && !gamePaused){

    playGame();

  }else if(ship.alive && upgradeMenuGate){

    upgradeMenu();

  }else if(!ship.alive){

    endGame();

  }

  //fps 

  textSize(15);

  stroke(255);

  fill(0);

  let fps = frameRate().toFixed(2);

  text("FPS: "+fps,width-90,20);

}

​