def _create_rectangle(self):
"""Create an alien and place it in the row."""
rectangle = Rectangle(self)
rectangle.center_rectangle()
self.rectangles.add(rectangle)
class TargetPractice:
"""A class to manage all the assets and the game behavior """
def __init__(self):
"""Initialize the game and create game ressources """
pygame.init()
self.settings = Settings()
self.screen = pygame.display.set_mode(
(self.settings.screen_width,self.settings.screen_height))
pygame.display.set_caption("J'y-rens Target Shoot 1.0")
#Set the clock and time click
self.clock = pygame.time.Clock()
self.dt = 0
# create an instance of the game stats class
self.stats = GameStats(self)
#Create an instance of the scoreboard class
self.sb = Scoreboard(self)
# Create an instance of the class ship
self.ship = Ship(self)
#create a list of bullets that hit the rectangle
self.bullets_hit_rectangle = []
# create an instance of the class rectangle
self.rectangle = Rectangle(self)
# create an instance of the group bullets
self.bullets = pygame.sprite.Group()
# create an instance of the button
self.play_button= Button(self,"Play")
# create an instance of the pause Button
self.pause_button = Pause(self,"Pause")
def run_game(self):
"""Start the main loop of the game """
while True :
# watch for keyboard events
self._check_events()
if self.stats.game_active:
# start the timer on the screen
self.start_timer()
#update the ship position
self.ship.update()
# update the position of the bullet
self._update_bullets()
#update the rectangle
self._update_rectangle()
# Update aliens
self._update_screen()
def _check_events(self):
"""Respond to keyboard events """
for event in pygame.event.get():
if event.type == pygame.QUIT:
# store the highest score before quiting
self.write_high_score_to_folder()
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)
self._check_pause_button(mouse_pos)
def _check_pause_button(self, mouse_pos):
"""Lock the game when the player cliks the pause button """
button_clicked = self.pause_button.rect.collidepoint(mouse_pos)
if button_clicked and self.stats.game_active:
# pause the game .
self.stats.game_active = False
def _check_play_button(self, mouse_pos):
"""Check the play button """
button_clicked = self.play_button.button_rect.collidepoint(mouse_pos)
if button_clicked and not self.stats.game_active:
# Reset the game settings
self.settings.initialize_dynamic_settings()
# starts the game when the player clicks play and the game is inactive
if self.stats.chances_left == 0 and self.sb.time == 0 or self.stats.score == 0:
# Restart the game when the time is 0 seconds
# and all the chances are gone
self._start_game()
self.stats.game_active = True
self.sb.prep_score()
self.sb.prep_level()
self.sb.prep_timer()
self.sb.prep_chances_left()
def start_timer(self):
"""Start the timer when the game starts """
self.stats.timer -= self.dt
if self.stats.timer <= 0 :
sleep(1)
self.stats.resets_timer()
self.sb.prep_timer()
self.dt = self.clock.tick(200) / 1000 # / 1000 to convert to seconds.
def _start_game(self):
"""Start the game """
# set the game to active state
self.stats.game_active = True
# reset the stats
self.stats.reset_stats()
# set the timer back to zero
self.stats.resets_timer()
# Empty the bullets
self.bullets.empty()
# center the ship and the rectangle
self.rectangle.center_rectangle()
self.ship.center_ship()
def _check_keydown_events(self,event):
"""Respond to keydown events """
if 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_q:
self.write_high_score_to_folder()
sys.exit()
elif event.key == pygame.K_SPACE:
self._fire_bullets()
elif event.key == pygame.K_p or pygame.K_KP_ENTER:
if not self.stats.game_active:
self._start_game()
def write_high_score_to_folder(self):
"""write High score to folder"""
with open(self.stats.filename, 'w') as f:
json.dump(self.stats.high_score, f)
def _fire_bullets(self):
"""Draws bullet on the screen """
if len(self.bullets) <= self.settings.bullets_allowed:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
se.bullet_sound.play()
def _update_bullets(self):
"""Update the position of the bullets """
self.bullets.update()
for bullet in self.bullets.copy():
if bullet.rect.x >= self.settings.screen_width:
self.bullets.remove(bullet)
# check bullets and rectangle collisions and update bullets
self._check_bullet_rectangle_collision()
def _check_bullet_rectangle_collision(self):
"""Respond to bullets and rectangle collision """
bullet = pygame.sprite.spritecollideany( self.rectangle ,self.bullets)
if bullet and self.stats.timer > 0:
self.bullets_hit_rectangle.append(bullet)
self.stats.score += self.settings.rectangle_points
self.sb.prep_score()
self.sb.check_high_score()
# detect that the rectangle has been hit
# and start a new level
self._rectangle_hit()
self.start_new_level()
elif self.sb.time == 0 and not self.bullets_hit_rectangle :
self._rectangle_not_hit()
def start_new_level(self):
"""Start a new level if the rectangle has been hit """
self.settings.increase_speed()
self.sb.prep_level()
def _check_keyup_events(self,event):
"""Respond to keyup events """
if event.key == pygame.K_UP:
self.ship.moving_up = False
elif event.key == pygame.K_DOWN:
self.ship.moving_down = False
def _change_movement_direction(self):
"""change the movememnt direction of the rectangle """
self.settings.movement_direction *= -1
def _check_rectangle_edges(self):
"""check rectangle edges and change the movement direction """
if self.rectangle.check_edges():
self._change_movement_direction()
def _update_rectangle(self):
"""Update rectangle position before"""
self._check_rectangle_edges()
self.rectangle.update()
def _rectangle_not_hit(self):
"""Respond when the rectangle has not been hit and the timer has reached 0 """
if self.stats.chances_left > 0:
#Decrement the number of chances
self.stats.chances_left -=1
self.sb.prep_chances_left()
se.miss_sound.play()
self.bullets.empty()
# Center the rectangle
self.rectangle.center_rectangle()
# resets timer to its initial value
self.stats.resets_timer()
sleep(0.5)
else:
self.end_of_game()
def _rectangle_hit(self):
"""Respond when the rectangle is hit """
if self.stats.chances_left >= 0:
# Empty the bullets_hit_rectangle list
self.bullets_hit_rectangle = []
#Increment the level and empty the bullets
self.stats.level +=1
se.level_increase_sound.play()
self.bullets.empty()
# resets the bullets to its orginal 15 seconds
self.stats.resets_timer()
# center the rectangle
self.rectangle.center_rectangle()
sleep(1)
else:
self.end_of_game()
def end_of_game(self):
"""Play end of game sound """
sleep(2)
se.end_of_game_sound.play()
self.stats.game_active = False
def _update_screen(self):
"""Update the screen anytime an item position is modified on the screen """
self.screen.fill(self.settings.bg_color)
#Draw the ship of the screen
self.ship.blitme()
#Draw the rectangle to the screen
self.rectangle.draw_rectangle()
# Draw bullets on the screen
for bullet in self.bullets.sprites():
bullet.draw_bullet()
#Draw the score button
self.sb.show_score()
#Draw the play button if the game is not active
if not self.stats.game_active:
self.play_button.draw_button()
else:
self.pause_button.draw_button()
pygame.display.flip()
