Alien shooter! Code Next Demo

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let particles = []

const max_particles = 1

let ship

let aliens = []

const max_aliens = 10

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function setup() {

  createCanvas(windowWidth, windowHeight);

  frameRate(24) //adjust to see animation in slow motion

  ship = new Ship();

  //make aliens

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

    let alien = new Alien(random(0, width) , 100)

    aliens.push(alien)

  } 

}

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function draw() {

  background(10);

  if (keyCode== RIGHT_ARROW) {

    ship.move(10);

  } else if (keyCode == LEFT_ARROW) {

    ship.move(-10);

  }

  laserShoot()

  ship.display()

  for (let a of aliens){

    a.display()

    a.move()

  }

}

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function keyPressed() {

  if(key == " "){

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     let p = new Particle(ship.pos, ship.heading)  

     particles.push(p)

  }

}

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function laserShoot(){

    for (let p of particles){ 

    p.display()

    p.move()  

    //p.bounce()

    for (let alien of aliens){

         if(p.hitTarget(alien)){

           alien.color = color(255, 255, 255)

         } else {

         }

    }

    if (p.die()){

       //removes each particle if it happens to be dead

       let i = particles.indexOf(p)  

       particles.splice(i, 1)  

    }

  }

}

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function keyReleased() {

  ship.move(0); // without this, the ship moves without stop

}

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