Python Gaming - 6 - 1

WIDTH = 1280
HEIGHT = 720

TITLE = 'BREAKOUT'

CANVAS = Rect((0, 0), (WIDTH, HEIGHT))

class Player(Actor):
    def __init__(self, image, pos, speed):
        Actor.__init__(self, image, pos)

        self.speed = speed
        self.vel = 0

    def update(self):
        self.vel = 0

        if keyboard.right:
            self.vel += self.speed

        if keyboard.left:
            self.vel -= self.speed

class Ball(Actor):
    def __init__(self, image, pos, speed):
        Actor.__init__(self, image, pos)

        self.xspeed = speed
        self.yspeed = speed

    def update(self):
        self.x += self.xspeed
        self.y += self.yspeed

        if self.right >= WIDTH or self.left <= 0:
            self.xspeed = -self.xspeed
        if self.top <= 0:
            self.yspeed = -self.yspeed

        if self.bottom >= HEIGHT:
            print('GAME OVER')
            quit()

        if self.colliderect(paddle):
            self.yspeed = -self.yspeed

        for block in blocks:
            if self.colliderect(block):
                blocks.remove(block)
                self.yspeed = -self.yspeed
                if not len(blocks):
                    print('YOU WIN')
                    quit()

def spawnBlocks(image, amount, spacing = 5):
    balls = []

    actor = Actor(image)
    ballsPerRow = int(WIDTH / (actor.width + spacing)) - 1
    rows = int(amount / ballsPerRow) + 1
    offset = (WIDTH - ballsPerRow * (actor.width + spacing)) / 2

    spawned_balls = 0

    for y in range(rows):
        for x in range(ballsPerRow):
            if spawned_balls == amount:
                break

            spawned_balls += 1
            pos = x * (actor.width + spacing) + offset, y * (actor.height + spacing) + spacing
            balls.append(Actor(image, topleft = pos))

    return balls

paddle = Player('paddle', CANVAS.midbottom, 7)
ball = Ball('masterball', CANVAS.center, 7)

blocks = spawnBlocks('brick', 20, 5)

def update():
    paddle.update()
    ball.update()

def draw():
    screen.blit('background', (0, 0))

    paddle.draw()
    ball.draw()

    for block in blocks:
        block.draw()