Space Invaders - OpenProcessing

mySketch
Ship
Aliens
Lazers
xxxxxxxxxx
 
function setup() {
  //Background
  createCanvas(windowWidth, windowHeight);
  background(100);
​
  //Creating ships, lazers, aliens
  ship = new Ship(650, 580, 80, 20, 5)
  for (let x = 20; x < width; x += 50) {
    for (let y = 20; y < height / 4; y += 50) {
      aliens.push(new Alien(x, y, 50, 30, 15, 3, color(random(0, 255), random(0, 255), random(0, 255))))
    }
  }
}
​
function draw() {
  //Showing and moving ship
  background(100)
  ship.show()
  ship.move()
  if (keyIsDown(LEFT_ARROW)) {
    ship.left()
  }
  if (keyIsDown(RIGHT_ARROW)) {
    ship.right()
  }
​
  //Showing, bouncing, and moving aliens
  for (let i = 0; i < aliens.length; i++) {
    aliens[i].show()
    aliens[i].move()
    if (aliens[i].x > width || aliens[i].x < 0) {
      for (let alien of aliens) {
        alien.bounce()
      }
    }
  }
​
  //Showing and moving lazers
  for (let i = 0; i < lazers.length; i++) {
    lazers[i].show()
    lazers[i].move()
  }
​
  //Lazers hitting aliens
  if (lazers.hits(aliens)) {
    lazers.splice(i, 1)
    aliens.splice(i, 1)
  }
}
​
function keyPressed() {
  //Pressinf lazers to move them up
  if (keyIsDown(UP_ARROW)) {
    lazers.push(new Lazer(ship.x + 35, ship.y - 50, 10, 3))
  }
}