class AlienInvasion:
'''Class to manage game assesst'''
def __init__(self):
''' Start the game'''
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption("Alien Invasion")
#instance to store game stats
self.stats = GameStats(self)
self.sb = Scoreboard(self)
self.ship = Ship(self)
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
self.alien_bullet = pygame.sprite.Group()
self._create_fleet()
self.play_button = Button(self, 'Start')
def run_game(self):
''' Start the main loop for the game'''
while True:
self._check_events()
if self.stats.game_active:
self.ship.update()
self._update_bullets()
self._update_aliens()
self._update_screen()
def _check_events(self):
''' Respond to keypress and moust events'''
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.KEYUP:
self._check_keyup_events(event)
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_play_button(mouse_pos)
def _check_keydown_events(self, event):
''' Updating for keydown events'''
if event.key == pygame.K_RIGHT:
# move the ship to the right
self.ship.moving_right = True
elif event.key == pygame.K_LEFT:
self.ship.moving_left = True
elif event.key == pygame.K_q:
old_high_score = self.stats.high_score
self.sb.save_high_score(str(old_high_score))
#print(old_high_score)
sys.exit()
elif event.key == pygame.K_SPACE:
self._fire_bullet()
elif event.key == pygame.K_p:
self._restart_game()
def _check_keyup_events(self, event):
''' Updating for keyup events'''
if event.key == pygame.K_RIGHT:
self.ship.moving_right = False
elif event.key == pygame.K_LEFT:
self.ship.moving_left = False
def _fire_bullet(self):
'''creates a new bullet and adds it to the bullets group'''
if len(self.bullets) < self.settings.bullet_allowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _update_screen(self):
''' Updating images on the screen and flip to the new screen'''
# Redraw screen with for the background color
self.screen.fill(self.settings.bg_color)
self.ship.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
#draw score info
self.sb.show_score()
if not self.stats.game_active:
self.play_button.draw_button()
# make the most recently drawn screen visible
pygame.display.flip()
def _update_bullets(self):
''' updating the position of the bullet
and getting ride of those at the top of the screen'''
#updating bullets position
self.bullets.update()
#remove the disappeared bullets
for bullet in self.bullets.copy():
if bullet.rect.bottom <= 0:
self.bullets.remove(bullet)
#print(len(self.bullets))
self._check_bullet_alien_collision()
def _check_bullet_alien_collision(self):
'''response to impacts'''
# check if any bullets hit the aliens
# if so lets remove the bullet and alien
collisions = pygame.sprite.groupcollide(self.bullets, self.aliens,
True, True)
if collisions:
for aliens in collisions.values():
self.stats.score += self.settings.alien_points + len(aliens)
self.sb.prep_score()
self.sb.check_high_score()
if not self.aliens:
self._start_new_level()
def _create_fleet(self):
'''creating the fleet of aliens!'''
#creating an alien and find the number of of aliens in a row
#spacing between each alien is the width of one alien
alien = Alien(self)
alien_width, alien_height = alien.rect.size
alien_width = alien.rect.width
available_space_x = self.settings.screen_width - (2 * alien_width)
num_aliens_x = available_space_x // (2 * alien_width)
#determine how many rows we can add
ship_height = self.ship.rect.height
available_space_y = (self.settings.screen_height - (3 * alien_height) -
ship_height)
num_rows = available_space_y // (3 * alien_height)
#create the full fleet!
for row_num in range(num_rows):
for alien_num in range(num_aliens_x):
self._create_alien(alien_num, row_num)
def _create_alien(self, alien_num, row_num):
# creating an alien and then placing it in a row
alien = Alien(self)
alien_width, alien_height = alien.rect.size
alien.x = alien_width + 2 * alien_width * alien_num
alien.rect.x = alien.x
alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_num
self.aliens.add(alien)
def _update_aliens(self):
'''Check if the fleet is at the edge
and Update the position of the aliens in the fleet'''
self._check_fleet_edges()
self.aliens.update()
#look for alien-ship collisions
if pygame.sprite.spritecollideany(self.ship, self.aliens):
#print('Ship hit!!!')
self._ship_hit()
self._check_aliens_bottom()
def _check_fleet_edges(self):
'''respond to the event of the fleet hitting the edge of the screen'''
for alien in self.aliens.sprites():
if alien.check_edges():
self._change_fleet_direction()
break
def _change_fleet_direction(self):
'''drop the fleet and change its direction'''
for alien in self.aliens.sprites():
alien.rect.y += self.settings.fleet_drop_speed
self.settings.fleet_direction *= -1
def _ship_hit(self):
'''response if ship is hit by alien'''
if self.stats.ships_left > 0:
# you lose a ship
self.stats.ships_left -= 1
self.sb.prep_ships()
# get rid of any remaining aliens and bullets
self.aliens.empty()
self.bullets.empty()
# create a new fleet and center the ship
self._create_fleet()
self.ship.center_ship()
#pause
sleep(0.5)
else:
self.stats.game_active = False
pygame.mouse.set_visible(True)
def _check_aliens_bottom(self):
'''see if there are any aliens on the bottom'''
screen_rect = self.screen.get_rect()
for alien in self.aliens.sprites():
if alien.rect.bottom >= screen_rect.bottom:
self._ship_hit()
break
def _check_play_button(self, mouse_pos):
''' start a new game when play is clicked'''
button_clicked = self.play_button.rect.collidepoint(mouse_pos)
if button_clicked and not self.stats.game_active:
self.settings.initialize_dynamic_settings()
self._restart_game()
def _restart_game(self):
# reset game stats
self.stats.reset_stats()
self.stats.game_active = True
#load the images for score, level, ships lives, and high score
self.sb.prep_images()
# remove any of the bullets and aliens
self.aliens.empty()
self.bullets.empty()
# create new fleet
self._create_fleet()
self.ship.center_ship()
# hide mouse cursor
pygame.mouse.set_visible(False)
def _start_new_level(self):
# destroy existing bullets and create new fleet
self.bullets.empty()
self._create_fleet()
self.settings.increase_speed()
# increase the level indication
self.stats.level += 1
self.sb.prep_level()
class AlienInvasion:
"""Overall class to manage game assets and behavior"""
def __init__(self):
"""initialize the game, and create game resources"""
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_height))
pygame.display.set_caption("YAKS! in Space")
# Create an instance to store game statistics.
self.stats = GameStats(self)
self.ship = Ship(self)
self.bullets = pygame.sprite.Group()
self.boomerangs = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
self._create_fleet()
# set the background color
self.bg_color = self.settings.bg_color
# Make the Play Button
self.play_button = Button(self, "Play")
# Create an instance to store game statistics and create a scoreboard.
self.stats = GameStats(self)
self.sb = Scoreboard(self)
def run_game(self):
"""Start the main loop for the game"""
while True:
# Watch for keyboard and mouse events
self._check_events()
if self.stats.game_active:
self.ship.update()
self._update_bullets()
self._update_aliens()
self._update_boomerangs()
self._update_screen()
def _change_fleet_direction(self):
"""Drop the entire fleet and change the fleet's direction."""
for alien in self.aliens.sprites():
alien.rect.y += self.settings.fleet_drop_speed
self.settings.fleet_direction *= -1
def _check_aliens_bottom(self):
"""Check if any aliens have reached the bottom of the screen."""
screen_rect = self.screen.get_rect()
for alien in self.aliens:
if alien.rect.bottom >= screen_rect.bottom:
# Treat this the same as if the ship got hit.
self._ship_hit()
break
def _check_bullet_alien_collions(self):
"""respond to bullet-alien collisions."""
# Check for any bullets that have hit aliens.
# if so, get rid of the bullet and the alien.
bullet_collisions = pygame.sprite.groupcollide(self.bullets,
self.aliens, True, True)
if bullet_collisions:
for aliens in bullet_collisions.values():
self.stats.score += self.settings.alien_points * len(aliens)
self.sb.prep_score()
self.sb.check_high_score()
# do the same thing for the boomerangs
boomerang_collisions = pygame.sprite.groupcollide(
self.boomerangs, self.aliens, False, True)
if boomerang_collisions:
for aliens in boomerang_collisions.values():
self.stats.score += self.settings.alien_points * len(aliens)
self.sb.prep_score()
self.sb.check_high_score()
if not self.aliens:
# Destroy existing bullets and create new fleet.
self.bullets.empty()
self._create_fleet()
self.settings.increase_speed()
# Increase the level
self.stats.level += 1
self.sb.prep_level()
def _check_events(self):
"""response to keypress and mouse events"""
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
self._check_keydown_events(event)
elif event.type == pygame.KEYUP:
self._check_keyup_events(event)
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_play_button(mouse_pos)
def _check_fleet_edges(self):
"""Response appropriately if any aliens have reached an edge."""
for alien in self.aliens.sprites():
if alien.check_edges():
self._change_fleet_direction()
break
def _check_keydown_events(self, event):
"""respond to keypresses"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = True
elif event.key == pygame.K_LEFT:
self.ship.moving_left = True
elif event.key == pygame.K_q:
sys.exit()
def _check_keyup_events(self, event):
if event.key == pygame.K_RIGHT:
self.ship.moving_right = False
elif event.key == pygame.K_LEFT:
self.ship.moving_left = False
elif event.key == pygame.K_SPACE:
self._fire_bullet()
elif event.key == pygame.K_b:
self._fire_boomerang()
def _check_play_button(self, mouse_pos):
"""Start a new game when the player clicks play."""
button_clicked = self.play_button.rect.collidepoint(mouse_pos)
if button_clicked and not self.stats.game_active:
# Reset the game statistics
self.stats.reset_stats()
self.stats.game_active = True
self.sb.prep_score()
self.sb.prep_level()
self.sb.prep_ships()
# Reset the game settings
self.settings.initialize_dynamic_settings()
# Get rid of any remaining aliens and bullets
self.aliens.empty()
self.bullets.empty()
# Create a new fleet and center the ship
self._create_fleet()
self.ship.center_ship()
# Hide the mouse cursor
pygame.mouse.set_visible(False)
def _create_alien(self, alien_number, row_number):
"""Create an alien and place it in the row"""
alien = Alien(self)
alien_width, alien_height = alien.rect.size
alien.x = alien_width + 2 * alien_width * alien_number
alien.rect.x = alien.x
alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number
self.aliens.add(alien)
def _create_fleet(self):
"""Create the fleet of aliens."""
# Create an alien and find the number of aliens in a row
# Spacing between each alien is equal to one alien width
alien = Alien(self)
alien_width, alien_height = alien.rect.size
available_space_x = self.settings.screen_width - (2 * alien_width)
number_aliens_x = available_space_x // (2 * alien_width)
# Determine the number of rows of aliens that fit on the screen.
ship_height = self.ship.rect.height
available_space_y = (self.settings.screen_height - (3 * alien_height) -
ship_height)
number_rows = available_space_y // (2 * alien_height)
# Create teh full fleet of aliens
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
self._create_alien(alien_number, row_number)
def _fire_boomerang(self):
"""Creates a boomerang and sends it out"""
if len(self.boomerangs) < self.settings.boomerang_allowed:
new_boomerang = Boomerang(self)
self.boomerangs.add(new_boomerang)
def _fire_bullet(self):
"""Create a new bullet and add it to the bullets group."""
if len(self.bullets) < self.settings.bullets_allowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _ship_hit(self):
"""Respond to the ship being hit by an alien."""
# Confirm the player still has ships, otherwise the game over
if self.stats.ships_left > 0:
# Decrement ships_left.
self.stats.ships_left -= 1
self.sb.prep_ships()
# Get rid of any remaining aliens and bullets
self.aliens.empty()
self.bullets.empty()
self.boomerangs.empty()
#Create a new fleet and center the ship
self._create_fleet()
self.ship.center_ship()
#pause
sleep(0.5)
else:
self.stats.game_active = False
pygame.mouse.set_visible(True)
def _update_aliens(self):
"""Update the position of all aliens in the fleet."""
self._check_fleet_edges()
self.aliens.update()
if pygame.sprite.spritecollideany(self.ship, self.aliens):
self._ship_hit()
# look for aliens hitting the bottom of the screen.
self._check_aliens_bottom()
def _update_boomerangs(self):
"""update the position of the boomerangs and get rid of any off the map"""
# update boomerang positions
self.boomerangs.update()
# Get rid of boomerangs that have returned below the ship
screen_rect = self.screen.get_rect()
for boomerang in self.boomerangs.copy():
if boomerang.rect.top > screen_rect.bottom:
self.boomerangs.remove(boomerang)
if pygame.sprite.spritecollideany(self.ship, self.boomerangs):
self._ship_hit()
def _update_bullets(self):
"""Update position of bullets and get rid of old bullets"""
# update bullet positions
self.bullets.update()
# Get rid of bullets that have disappeared.
for bullet in self.bullets.copy():
if bullet.rect.bottom <= 0:
self.bullets.remove(bullet)
self._check_bullet_alien_collions()
def _update_screen(self):
"""Update images on the scren, and flip to the new screen."""
self.screen.fill(self.bg_color)
self.ship.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
self.boomerangs.draw(self.screen)
# Draw the play button if the game is inactive.
if not self.stats.game_active:
self.play_button.draw_button()
# Draw the score information.
self.sb.show_score()
# Make the most recent drawn screen visible.
pygame.display.flip()
class AlienInvasion:
"""Klasa służaca do zarzadzania zasobami i sposobem działania gry """
def __init__(self):
"""Inicjalizacja gry i utworzenie jej zasoboów"""
pygame.init() # wyswietlanie tła
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width, self.settings.screen_height))
# self.screen = pygame.display.set_mode((0,0), pygame.FULLSCREEN)# krotka definiujaca fullscrena
# self.settings.screen_width = self.screen.get_rect().width
# self.settings.screen_height = self.screen.get_rect().height
pygame.display.set_caption("Inwazja obcych")
#utworzenie egzemplarza do przechowywania danych
#dane statystyczne w grze
self.stats = GameStats(self)
self.sb = Scoreboard(self)
self.ship = Ship(
self
) # utworzenie egemplrza klasy SHIP, wymaga przekazania obiektu klasy alieninvasion
self.bullets = pygame.sprite.Group()
self.aliens = pygame.sprite.Group()
self._create_fleet()
#utworzenie przycisku
self.play_button = Button(self, msg="Graj")
def run_game(self):
"""Rozpoczecie petli głownej gry."""
while True:
self._check_events()
if self.stats.game_active:
self.ship.update()
self._bullet_update()
self._update_aliens()
self._update_screen()
def _ship_hit(self):
"""reakcaj na uderzenie obcego w statek"""
if self.stats.ships_left > 0:
#zmniejszenie wartosci ships_left
self.stats.ships_left -= 1
self.sb.prep_ships()
#usuniecie obcych i pociskow
self.aliens.empty()
self.bullets.empty()
#utworzenie zawartosci listy aliens i bullets
self._create_fleet()
self.ship.center_ship()
sleep(0.5)
else:
self.stats.ships_left -= 1
self.sb.prep_ships()
self.stats.game_active = False
pygame.mouse.set_visible(True)
def _create_fleet(self):
"""Utworzenie pelnej floty obcych"""
#utworzenie obcego, i okreslenei ile obcych miesci sie w rzedzie
alien = Alien(self)
alien_width, alien_height = alien.rect.size
available_space_x = self.settings.screen_width - (4 * alien_width)
number_aliens_x = available_space_x // (2 * alien_width)
#usalenie ile rzedow obcych zmiesci sie na ekranie
ship_height = self.ship.rect.height
available_space_y = (self.settings.screen_height - (5 * alien_height) -
ship_height)
number_rows = available_space_y // (2 * alien_height)
#pierwszy rzad obcych
for row_number in range(number_rows):
for alien_number in range(number_aliens_x):
#tworzymy obecego i umieszczamy w rzedzie
self._create_alien(alien_number, row_number)
def _create_alien(self, alien_number, row_number):
"""Utworzenie obcego i umieszczenie go w rzedzie"""
alien = Alien(self)
alien_width, alien_height = alien.rect.size
alien.x = alien_width + 2 * alien_width * alien_number
alien.rect.x = alien.x
alien.rect.y = alien.rect.height + 2 * alien.rect.height * row_number
self.aliens.add(alien)
def _bullet_update(self):
"""Uaktualnienie polozenia pociskow i usniecie tych nie widocznych"""
# uaktualnia polozenie
self.bullets.update()
# usuniecie pociskow poza ekranem
for bullet in self.bullets.copy():
if bullet.rect.bottom <= 0:
self.bullets.remove(bullet)
self._check_bullet_alien_collisins()
def _check_aliens_bottom(self):
"""sprawdzenie czy ktory kolwiek obcy dotarl do dolnej krawedzi ekranu"""
screen_rect = self.screen.get_rect()
for alien in self.aliens.sprites():
if alien.rect.bottom >= screen_rect.bottom:
self._ship_hit()
break
def _check_bullet_alien_collisins(self):
# sprawdzanie czy pocisk trafil obcego, jesli tak osuwamy i pocisk i obcego
collisions = pygame.sprite.groupcollide(self.bullets, self.aliens,
True, True)
if collisions:
for aliens in collisions.values():
self.stats.score += self.settings.alien_points * len(aliens)
self.sb.prep_score()
self.sb.check_high_score()
print(self.sb.stats.score)
if not self.aliens:
# pozbycie sie pociskow i utworzenie nowej floty
self.bullets.empty()
self._create_fleet()
self.settings.increase_speed()
#inkrementacja numeru poziomu
self.stats.level += 1
self.sb.prep_level()
def _check_events(self):
"""_metoda pomocnicza nie do wywołania dla egemplarza klasy"""
"""Reakcja na zdarzenie klawiatury i myszy"""
for event in pygame.event.get(): # petla zdarzen
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.MOUSEBUTTONDOWN:
mouse_pos = pygame.mouse.get_pos()
self._check_play_button(mouse_pos)
elif event.type == pygame.KEYDOWN: # sprawdzamy nacisniecie klawisz
self._check_keydown_events(event)
elif event.type == pygame.KEYUP: # jesli klawisz podniesiony t
# o nie przesuwamy
self._check_keyup_events(event)
def _check_keydown_events(self, event):
"""Reakacja na nacisniecie klawisza"""
if event.key == pygame.K_RIGHT: # czy nacisniety klawisz to prawy kursor
self.ship.moving_right = True
elif event.key == pygame.K_LEFT:
self.ship.moving_left = True
elif event.key == pygame.K_UP:
self.ship.moving_up = True
elif event.key == pygame.K_DOWN:
self.ship.moving_down = True
elif event.key == pygame.K_SPACE:
self._fire_bullet()
elif event.key == pygame.K_q: # zamkniecie w przypadku wcisniecia q
sys.exit()
def _check_keyup_events(self, event):
"""Reakcja na zwolnienie klawisz"""
if event.key == pygame.K_RIGHT:
self.ship.moving_right = False
elif event.key == pygame.K_LEFT:
self.ship.moving_left = False
elif event.key == pygame.K_UP:
self.ship.moving_up = False
elif event.key == pygame.K_DOWN:
self.ship.moving_down = False
def _check_play_button(self, mouse_pos):
"""rozpoczecie nowej gry po wcisnieciu przycisku"""
button_clicked = self.play_button.rect.collidepoint(mouse_pos)
if button_clicked and not self.stats.game_active:
#wyzerowanie ustawien gry
self.settings.initialize_dynamic_settings()
self.stats.reset_stats()
self.stats.game_active = True
self.sb.prep_score()
self.sb.prep_level()
self.sb.prep_ships()
#usuniecie listy aliens i bullets
self.aliens.empty()
self.bullets.empty()
#utworzenie nowej floty i wysrodkowanie statku
self._create_fleet()
self.ship.center_ship()
#ukrycie kursora myszy
pygame.mouse.set_visible(False)
def _fire_bullet(self):
"""Utworzenie nowego pocisku i dodanie go do grupy pociskow"""
if len(self.bullets) < self.settings.bullet_alowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
def _update_screen(self):
"""Uaktualnianie obrazu na ekranie"""
# odswiezanie ekranu
self.screen.fill(self.settings.bg_color) # definicja tła
self.ship.blitme() # wyswietlenie statkum nad tłem
for bullet in self.bullets.sprites():
bullet.draw_bullet()
self.aliens.draw(self.screen)
#wyswietlenie inf o punktach
self.sb.show_score()
#wyswietlenie przycisku tylko gdy gra nie aktywna
if not self.stats.game_active:
self.play_button.draw_button()
# wyswietlenie ostatnio zmodyfikowanego ekranu, odswiezanie ekranu
pygame.display.flip()
def _update_aliens(self):
"""Uaktualnienie polozenie wszystkich obcych we flocie"""
self._check_fleet_edges()
self.aliens.update()
#wykrywanie kolizji miedzy obcym i statkiem
if pygame.sprite.spritecollideany(self.ship, self.aliens):
self._ship_hit()
#wyszukanie obcych uderzajcych w dolna krawedz
self._check_aliens_bottom()
def _check_fleet_edges(self):
"""Odpowiednia reakcja gdy opcy dotrze do krawedzi ekranu"""
for alien in self.aliens.sprites():
if alien.check_edges():
self._change_fleet_direction()
break
def _change_fleet_direction(self):
"""przesuniecie floty w dol i zmiana kierunku"""
for alien in self.aliens.sprites():
alien.rect.y += self.settings.fleet_drop_speed
self.settings.fleet_direction *= -1
