def __init__(self):
self.score = 0
self.level = 1
# make the gui
self.gui = GUI.GUI()
# make the game object manager
self.game_object_manager = GameObjectManager()
# create the bullets
temp_bullets = []
for index in range(Consts.MAX_BULLETS):
temp_bullets.append(Bullet())
self.game_object_manager.add_game_object(temp_bullets[index])
# make a player
self.player = Ship(Consts.CENTER, temp_bullets)
self.game_object_manager.add_game_object(self.player)
# spawn the asteroids
self.spawn_asteroids()
self.add_sounds()
Sound.sound_manager.play_sound(Sound.sounds.begin)
class Game():
def __init__(self):
self.score = 0
self.level = 1
# make the gui
self.gui = GUI.GUI()
# make the game object manager
self.game_object_manager = GameObjectManager()
# create the bullets
temp_bullets = []
for index in range(Consts.MAX_BULLETS):
temp_bullets.append(Bullet())
self.game_object_manager.add_game_object(temp_bullets[index])
# make a player
self.player = Ship(Consts.CENTER, temp_bullets)
self.game_object_manager.add_game_object(self.player)
# spawn the asteroids
self.spawn_asteroids()
self.add_sounds()
Sound.sound_manager.play_sound(Sound.sounds.begin)
def reinit(self, deltaT):
self.level = 1
self.score = 0
self.clear_everything_except_player()
self.spawn_asteroids()
self.player.reinit()
self.game_object_manager.update(deltaT)
def draw(self, screen):
# clear the screen
Consts.screen.fill(Consts.BLACK)
# draw the game objects
self.game_object_manager.draw(screen)
# draw the ui
self.draw_ui(screen)
# flip the buffer
pygame.display.flip()
def update(self, deltaT):
self.game_object_manager.update(deltaT)
self.game_object_manager.collision_detection()
self.game_logic(deltaT)
self.split_hurt_asteroids()
self.check_for_homing()
def game_logic(self, deltaT):
# if the player has died finish the game and restart
if self.player.lives <= 0:
self.show_end_screen()
self.reinit(deltaT)
# if there are no more asteroids advance the level
if len(self.get_asteroids_remaining()) == 0:
self.advance_level()
def show_end_screen(self):
self.gui.draw_text("You lost!",Consts.CENTER, Consts.screen)
self.gui.draw_text("Score: " + str(self.score),(Consts.CENTER[0], Consts.CENTER[1]+50), Consts.screen)
pygame.display.flip()
pygame.time.delay(1500)
def advance_level(self):
self.level += 1
self.spawn_asteroids()
self.player.reset_bullets()
Sound.sound_manager.play_sound(Sound.sounds.begin)
def spawn_asteroids(self):
for index in range(0, self.level):
self.game_object_manager.add_game_object(Asteroid(32, Consts.SCREENLENGTHS, self.player))
def clear_everything_except_player(self):
for game_object in self.game_object_manager.game_objects:
if not(isinstance(game_object,Ship) or isinstance(game_object, Bullet)):
game_object.needs_removing = True
def split_hurt_asteroids(self): # splits any asteroids that need splitting
for go in self.game_object_manager.game_objects:
if isinstance(go, Asteroid):
if go.isHurt:
self.increase_score(go.radius)
if go.radius > 4: # if its big enough split it
self.split_asteroid(go)
if go.radius == 32: # chance an item drop when asteroid is 32 big
self.chance_a_health_drop(go)
else: # else just kill it
go.needs_removing = True
def split_asteroid(self, asteroid):
for index in range(2):
self.game_object_manager.add_game_object(Asteroid(asteroid.radius/2,Consts.SCREENLENGTHS, self.player, asteroid.position))
self.game_object_manager.remove_game_object(asteroid)
def chance_a_health_drop(self, go):
if random.randint(1,2) == 1:
self.game_object_manager.add_game_object(Item(go.position))
def increase_score(self, amount):
self.score += amount
def get_asteroids_remaining(self): # Returns the amount of asteroids in the game
asteroids = []
for game_object in self.game_object_manager.game_objects:
if isinstance(game_object, Asteroid):
asteroids.append(game_object)
return asteroids
def check_for_homing(self):
small_count = 0
asteroids_in_game = self.get_asteroids_remaining()
for asteroid in asteroids_in_game:
if asteroid.radius == 4:
small_count += 1
if small_count == len(asteroids_in_game):
for asteroid in asteroids_in_game:
asteroid.is_homing = True
asteroid.target = self.player.position
if Sound.sound_manager.sounds[Sound.sounds.homing].get_num_channels() == 0:
Sound.sound_manager.play_sound(Sound.sounds.homing, 20)
def add_sounds(self):
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/start.wav"))
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/shoot.wav"))
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/asteroid_hurt.wav"))
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/item_pickup.wav"))
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/ship_thrusters2.wav"))
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/homing_alarm.wav"))
Sound.sound_manager.add_sound(pygame.mixer.Sound("Sounds/player_hurt.wav"))
def draw_ui(self,screen):
self.gui.draw_text("Level: " + str(self.level), (10,10), screen) #show the level top right
self.gui.draw_text(
"Asteroids Remaining: " + str(len(self.get_asteroids_remaining()))
, (10, 40), screen) #show remaining asteroids - top right
self.gui.draw_text("Score: " + str(self.score), (10, 70), screen)
self.gui.draw_text("Lives: " + str(self.player.lives), (10, 100), screen) #show players health - top left