def start_loop(self):
"""Loop for start screen"""
selected = False
background = Background(START_BG, [0, 0])
top_score = Hud(10, 350, 200, 40, "TOP SCORE")
def launch_game():
nonlocal selected
selected = True
self.game_loop()
while not selected:
for event in pygame.event.get():
if event.type == pygame.QUIT:
selected = True
top_score.prop = self.scores.top_score
self.clock.tick(20)
pygame.mouse.set_visible(True)
self.screen.blit(background.image, background.rect)
large_text = pygame.font.Font('freesansbold.ttf', 80)
text_surf, text_rect = text_objects("OMEGA!", large_text,
(210, 208, 224))
text_rect.center = ((self.screen_width / 2),
(self.screen_height / 2.75))
self.screen.blit(text_surf, text_rect)
top_score.update(dest=self.screen)
button('PLAY', ((self.screen_width / 2) - 50), 240, 100, 40,
((37, 31, 71), (108, 100, 153), (210, 208, 224)),
self.screen, launch_game)
def game_loop(self):
"""All gameplay setup and logic"""
# start the game music
pygame.mixer.music.set_volume(0.5)
pygame.mixer.music.play(-1, 0.0)
# set the background
background = Background(BACKGROUND, [0, 0])
# set desired fps
fps = 65
num_of_enemies = 15
score = 0
shots_fired = 0
ammo = int(num_of_enemies * 10)
streak = 1
misses = 0
# uncomment this line to hide the system mouse when game window is in focus
# pygame.mouse.set_visible(False)
# list of every sprite
all_sprites_list = pygame.sprite.Group()
# list of each enemy in the game
enemy_list = pygame.sprite.Group()
# list of each bullet - rename projectile?
bullet_list = pygame.sprite.Group()
# --- Create the sprites
# create all enemies
for i in range(num_of_enemies):
enemy = Enemy()
# set a random location for the enemy
# *maybe* in the future have them all start off screen
enemy.rect.x = random.randrange(self.screen_width)
enemy.rect.y = random.randrange(240)
enemy.starting_y = enemy.rect.y
# Add the enemy to the appropriate lists of sprites
enemy_list.add(enemy)
all_sprites_list.add(enemy)
# create a player and starting location
player = Player()
player.rect.y = 330
# create hud
hud_items = pygame.sprite.Group()
hud_score = Hud(570, 350, 120, 40, 'SCORE')
hud_ammo = Hud(570, 300, 120, 40, 'AMMO')
hud_multiplier = Hud(510, 350, 50, 40, '', 'x', True)
hud_items.add(hud_score)
hud_items.add(hud_ammo)
hud_items.add(hud_multiplier)
# create asteroids
asteroid_list = Asteroid_group()
asteroid = Asteroid((40, 40), 20)
asteroid2 = Asteroid((60, 60), 20)
asteroid3 = Asteroid((60, 60), 20)
asteroid_list.add(asteroid)
asteroid_list.add(asteroid2)
asteroid_list.add(asteroid3)
# -------- Main Program Loop -----------
game_over = False
while not game_over:
multiplier = int(streak / 2) or 1
total_score = int(score * 100) or 0
hud_ammo.prop = ammo
hud_score.prop = total_score
hud_multiplier.prop = multiplier
# --- Event Processing --- Controls
for event in pygame.event.get():
player_pos = player.rect.center
# uncomment this to see event in the terminal
# print(event)
if event.type == pygame.QUIT:
pygame.mixer.music.stop()
game_over = True
pygame.quit()
quit()
elif event.type == pygame.MOUSEBUTTONDOWN:
can_fire = ammo > 0
if can_fire and event.button == 1:
bullet = Bullet(player_pos)
# add the bullet to lists
all_sprites_list.add(bullet)
bullet_list.add(bullet)
shots_fired += 1
ammo -= 1
elif can_fire and event.button == 3:
bullet = Wobble_shot(player_pos)
# add the bullet to lists
all_sprites_list.add(bullet)
bullet_list.add(bullet)
shots_fired += 1
ammo -= 1
elif event.button == 2:
ammo += 30
elif not can_fire:
print('you loose')
pygame.mixer.music.fadeout(1000)
message_display(
'YOU LOOSE OUT OF AMMO!!!', WHITE, self.screen,
(self.screen_width, self.screen_height))
game_over = True
# --- Game logic
# call the update method on all the sprites
player.update()
all_sprites_list.update()
asteroid_list.update()
hud_items.update()
# --- handle collisions
player_hit_list = pygame.sprite.spritecollide(
player, asteroid_list, False, pygame.sprite.collide_mask)
if player_hit_list:
pygame.mixer.music.fadeout(1000)
message_display('YOU LOOSE HIT BY ASTEROID!!!', WHITE,
self.screen,
(self.screen_width, self.screen_height))
game_over = True
player_enemy_hit_list = pygame.sprite.spritecollide(
player, enemy_list, False, pygame.sprite.collide_mask)
if player_enemy_hit_list:
for enemy in player_enemy_hit_list:
if not enemy.hit:
pygame.mixer.music.fadeout(1000)
message_display(
'YOU LOOSE HIT BY ENEMY!!!', WHITE, self.screen,
(self.screen_width, self.screen_height))
game_over = True
# --- calculate mechanics for each bullet
for bullet in bullet_list:
# see if bullet hit a enemy
enemy_hit_list = pygame.sprite.spritecollide(
bullet, enemy_list, False)
# see if asteroid hit ship
asteroid_hit_list = pygame.sprite.spritecollide(
bullet, asteroid_list, False)
for asteroid in asteroid_hit_list:
asteroid.hp -= 3
if asteroid.hp <= 0:
score += 20
bullet_list.remove(bullet)
all_sprites_list.remove(bullet)
# for each enemy hit, remove the bullet and add to the score
for enemy in enemy_hit_list:
if not enemy.hit:
bullet_list.remove(bullet)
all_sprites_list.remove(bullet)
score += (1 * multiplier)
streak += 1
enemy.explode()
# remove the bullet if it flies up off the screen
if bullet.rect.y < -10:
bullet_list.remove(bullet)
all_sprites_list.remove(bullet)
streak = 0
misses += 1
# checking enemy list is empty ensures that the last explode() has completed
# before ending game;)
if not enemy_list:
print('winner', shots_fired, score, total_score)
pygame.mixer.music.fadeout(1000)
if total_score > self.scores.top_score:
self.scores.update_ts(total_score)
if shots_fired <= num_of_enemies and not misses:
message_display(
'PERFECT!! YOU WIN!! score: {}'.format(
str(total_score)), WHITE, self.screen,
(self.screen_width, self.screen_height))
elif ammo == 0:
message_display(
'CLOSE ONE, YOU WIN!! score: {}'.format(
str(total_score)), WHITE, self.screen,
(self.screen_width, self.screen_height))
else:
message_display(
'YOU WIN!!! total score: {}'.format(str(total_score)),
WHITE, self.screen,
(self.screen_width, self.screen_height))
game_over = True
self.start_loop()
# clear the screen
self.screen.fill(WHITE)
# then background
self.screen.blit(background.image, background.rect)
# draw all the spites thier z-index is determined by the order here
hud_items.draw(self.screen)
asteroid_list.draw(self.screen)
all_sprites_list.draw(self.screen)
player.draw(self.screen)
# update the screen
pygame.display.flip()
self.clock.tick(fps)
if game_over == True:
self.start_loop()
