class HitTheTarget:
"""Overall class to manage 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("Hit the Target")
# self.screen_rect = self.screen.get_rect()
# Create an instance to store game statistics.
self.stats = GameStats(self)
self.target = Target(self)
self.gun = Gun(self)
self.bullets = pygame.sprite.Group()
# Make the Play button.
self.play_button = Button(self, "Play")
def run_game(self):
"""Start the main loop for the game."""
while True:
self._check_events()
if self.stats.game_active:
self._target_direction()
self.gun.update()
self.target.update()
self._update_bullets()
self._screen_update()
def _check_events(self):
"""Check for key presses and mouse events."""
for event in pygame.event.get():
if event.type == pygame.QUIT:
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_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:
self._start_game()
def _check_keydown_events(self, event):
"""Respond for keypresses."""
if event.key == pygame.K_q:
exit()
elif event.key == pygame.K_UP:
self.gun.moving_up = True
elif event.key == pygame.K_DOWN:
self.gun.moving_down = True
elif event.key == pygame.K_SPACE:
self._fire_bullet()
elif event.key == pygame.K_p:
self._start_game()
def _check_keyup_events(self, event):
"""Respond for key releases."""
if event.key == pygame.K_UP:
self.gun.moving_up = False
elif event.key == pygame.K_DOWN:
self.gun.moving_down = False
def _start_game(self):
"""Start a new game."""
# Reset the game statistics.
self.stats.reset_stats()
self.stats.game_active = True
# Get rid of any remaining aliens and bullets.
self.target.start_position()
self.bullets.empty()
self.gun.start_position()
# Hide the mouse cursor.
pygame.mouse.set_visible(False)
def _target_direction(self):
"""Change target direction if hit the edges."""
if self.target.rect.bottom >= self.settings.screen_height \
or self.target.rect.top <= 0:
self.settings.target_direction *= -1
def _fire_bullet(self):
"""Create a new bullet and add it to the bullet group."""
if self.stats.bullets_left > 0:
new_bullet = Bullet(self)
self.bullets.add(new_bullet)
self.stats.bullets_left -= 1
def _screen_update(self):
self.screen.fill(self.settings.bg_color)
self.target.blitme()
self.gun.blitme()
for bullet in self.bullets.sprites():
bullet.draw_bullet()
# Make the play button if the game is inactive.
if not self.stats.game_active:
self.play_button.draw_button()
pygame.display.flip()
def _update_bullets(self):
"""Update position of bullets and get rid of old bullets."""
# Update bullets position
self.bullets.update()
# Get rid of bullets that have disappeared.
for bullet in self.bullets.copy():
if bullet.rect.left > self.settings.screen_width:
self.bullets.remove(bullet)
self._check_bullet_target_collisions()
def _check_bullet_target_collisions(self):
"""Respond to bullet-target collisions."""
# Remove any bullets and aliens that have collided.
if pygame.sprite.spritecollideany(self.target, self.bullets):
self.bullets.empty()
self.stats.bullets_left = 3
self.target.start_position()
self.settings.increase_target_speed()
if not self.bullets and self.stats.bullets_left == 0:
self.stats.game_active = False
pygame.mouse.set_visible(True)
self.settings.initialize_dynamic_settings()
def main():
"""this function is called when the program starts.
it initializes everything it needs, then runs in
a loop until the function returns.
"""
mass = int(input("Input mass: "))
# Initialize Everything
pygame.init()
screen = pygame.display.set_mode((800, 800))
pygame.display.set_caption('Pendulum Simulation')
# Import the gun
gun = Gun(screen)
bullet = Bullet(screen)
invisible_object = Object(screen)
menu = Menu(screen)
# Create The Backgound
background = pygame.Surface(screen.get_size())
background.fill(COLOR['black'])
# Prepare Objects
clock = pygame.time.Clock()
p1 = Pendulum(pivot_vect=SCREEN_CENTER,
length=300,
bob_radius=50,
bob_mass=mass,
init_angle=3.1415926535)
# A container class managing sprites
free_group = pygame.sprite.Group(p1)
menu.draw_menu()
hit = True
play = False
# Main Loop
while True:
pygame.display.flip()
clock.tick(60)
for event in pygame.event.get():
if event.type == QUIT:
return
elif event.type == KEYDOWN and event.key == K_ESCAPE:
return
elif event.type == pygame.MOUSEBUTTONDOWN:
play = True
if (play):
# To make the pendulum move
free_group.update()
# Display the background
screen.blit(background, (0, 0))
# To draw the bob and line
free_group.draw(screen)
# To show the gun
gun.blitme()
if hit == True:
invisible_object.blitme()
# Shooting the bullet
bullet.draw_bullet()
bullet.update()
# When the bullet hits the invisible object, both bullet and object will be gone
# If hit isn't changed to false, the invisible object and bullet will not be gone
if pygame.sprite.collide_rect(bullet, invisible_object):
hit = False