main.py

import invaders
import pygame
import random
import sys

w = 800
h = 550

BOOMBS = 80
life = 3
pygame.init()

screen = pygame.display.set_mode((w,h))

clock = pygame.time.Clock()

enemies = []

# create sprite group for shots
monsterS = pygame.sprite.Group()
shotsS = pygame.sprite.Group()
heroS = pygame.sprite.Group()
boomS = pygame.sprite.Group()
fireS = pygame.sprite.Group()
all = pygame.sprite.RenderUpdates()

# each shot sprite member both group
invaders.Monster.containers = monsterS, all
invaders.Shot.containers = shotsS, all
invaders.Hero.containers = all
invaders.Boom.containers = all
invaders.Fire.containers = fireS, all

#create single sprite
for x in range(10):
    enemies.append(invaders.Monster(50*x+50, 50, 'boo'))
    enemies.append(invaders.Monster(50*x+50, 100, 'kva'))
shot = invaders.Shot(0,0)
hero = invaders.Hero(w/2,475)
score = invaders.Score()

all.add(score)

playtime = 0
enemyspeed = 1
herospeed = 0
killer = 0

while 1:

    all.clear(screen,screen)

    all.update()

    pygame.draw.line(screen, (255,0,0), (0,500),(800,500))

    for ev in pygame.event.get():

        if ev.type == pygame.QUIT or \
           (ev.type == pygame.KEYDOWN and ev.key == pygame.K_ESCAPE):
            sys.exit()

    keypress = pygame.key.get_pressed()

    if keypress[pygame.K_RIGHT] and hero.px < 750:
        hero.px += 5

    if keypress[pygame.K_LEFT]  and hero.px > 50:
        hero.px -= 5

    if keypress[pygame.K_SPACE]:
        shot.kill()
        shot = invaders.Shot(hero.px, 450)

    screen.fill((0,0,0))
    m = clock.tick(50.00)
    playtime += m/1000.0

    for i in range(len(enemies)):
        enemies[i].x += enemyspeed
        enemies[i].update()

    if enemies[len(enemies)-1].x > 750:
        enemyspeed = -1

    if enemies[0].x < 50:
        enemyspeed = 1

    for i in range(len(enemies)):
        enemies[i].x += enemyspeed
        enemies[i].update()

    if  shot.py < 479: # and shot.py > 0:
        shot.py -= 5
        shot.update()

    if not int(random.random() * BOOMBS):
        z = random.choice(enemies)
        fire = invaders.Fire(z)

    for monster in  pygame.sprite.spritecollide(shot, monsterS, 1, pygame.sprite.collide_mask):
        shot.py = 0
        shot.kill()
        boom = invaders.Boom(monster)
        killer += 1
        score.SCORE += 10
        print 'Fuck U Spilberg %.1f' %killer

    for fire in pygame.sprite.spritecollide(hero, fireS, 1, pygame.sprite.collide_mask):
        boom = invaders.Boom(hero)
        life = life - 1
        fire.speed = 0
        fire.kill()
        if life == 0:
            hero.kill()
            del hero
            life = 3
            hero = invaders.Hero(w/2,450)

    for fire in  pygame.sprite.spritecollide(shot, fireS, 1, pygame.sprite.collide_mask):
        shot.py = 0
        fire.speed = 0
        invaders.Boom(shot)
        score.SCORE += 1
        fire.kill()
        shot.kill()



    dirty = all.draw(screen)
    pygame.display.set_caption('Space Invaders - %.2f fps' %clock.get_fps())
    pygame.display.update(dirty)