class Pong:
"""Overall class to manage game assets and behavior."""
def __init__(self):
"""Initialize the game, and create game resources."""
self.screen = turtle.Screen()
self.screen.title("Pong")
self.screen.bgcolor("black")
self.screen.setup(width=800, height=600)
self.screen.tracer(0)
# Game assets
self.sb = Scoreboard()
self.announcer = Announcer()
self.paddle_a = Paddle(-350, 0)
self.paddle_b = Paddle(350, 0)
self.ball = Ball()
self.game_active = True
# Keyboard bindings
self.screen.listen()
self.screen.onkeypress(self.paddle_a.start_move_up, 'w')
self.screen.onkeypress(self.paddle_a.start_move_down, 's')
self.screen.onkeyrelease(self.paddle_a.stop_move_up, 'w')
self.screen.onkeyrelease(self.paddle_a.stop_move_down, 's')
self.screen.onkeypress(self.paddle_a.start_long, 'r')
self.screen.onkeypress(self.paddle_a.prime_fastball, 't')
self.screen.onkeypress(self.paddle_b.start_move_up, 'Up')
self.screen.onkeypress(self.paddle_b.start_move_down, 'Down')
self.screen.onkeyrelease(self.paddle_b.stop_move_up, 'Up')
self.screen.onkeyrelease(self.paddle_b.stop_move_down, 'Down')
self.screen.onkeypress(self.paddle_b.start_long, ',')
self.screen.onkeypress(self.paddle_b.prime_fastball, '.')
def run_game(self):
"""Start the main loop for the game."""
while self.game_active:
self._update_paddles()
self._update_ball()
self._check_paddle_ball_collision()
self._check_score()
self.screen.update()
time.sleep(1 / 120)
def _update_paddles(self):
"""Update the positions of the paddles."""
self.paddle_a.update()
self.paddle_b.update()
def _update_ball(self):
"""Update the position of the ball."""
self.ball.move()
hit_border = self.ball.check_horizontal_borders()
if hit_border:
winsound.PlaySound("sounds/bounce.wav", winsound.SND_ASYNC)
def _check_paddle_ball_collision(self):
"""Check if a paddle and ball collided."""
if (self.ball.xcor() < -340 and self.ball.xcor() > -350 and
self.ball.ycor() < self.paddle_a.ycor() + self.paddle_a.hitbox
and self.ball.ycor() >
self.paddle_a.ycor() - self.paddle_a.hitbox):
self.ball.dx *= -1
winsound.PlaySound("sounds/bounce.wav", winsound.SND_ASYNC)
self.ball.increase_speed()
self.paddle_a.end_long()
self.paddle_b.end_fastball(self.ball)
self.paddle_a.start_fastball(self.ball)
elif (self.ball.xcor() > 340 and self.ball.xcor() < 350 and
self.ball.ycor() < self.paddle_b.ycor() + self.paddle_b.hitbox
and
self.ball.ycor() > self.paddle_b.ycor() - self.paddle_b.hitbox):
self.ball.dx *= -1
winsound.PlaySound("sounds/bounce.wav", winsound.SND_ASYNC)
self.ball.increase_speed()
self.paddle_b.end_long()
self.paddle_a.end_fastball(self.ball)
self.paddle_b.start_fastball(self.ball)
def _check_score(self):
"""Check if a player scored."""
if self.ball.xcor() > 410:
self.sb.increment_a()
elif self.ball.xcor() < -410:
self.sb.increment_b()
else:
return False
# Reset round only if a player scored.
self._reset_round()
def _reset_round(self):
"""Announce point and reset positions."""
# Check to finish the game.
if self.sb.score_a == 5 or self.sb.score_b == 5:
winsound.PlaySound("sounds/game_finished.wav", winsound.SND_ASYNC)
self.announcer.announce_finished()
time.sleep(3)
self.game_active = False
# Check to finish the round.
else:
if self.sb.get_consecutive_points() > 2:
winsound.PlaySound("sounds/dominating.wav", winsound.SND_ASYNC)
self.announcer.announce_dominating()
else:
winsound.PlaySound("sounds/point_scored.wav",
winsound.SND_ASYNC)
self.announcer.announce_point()
time.sleep(1)
# Get ready for next round.
self.announcer.clear_announcement()
self.ball.reset_position()
self.ball.reset_speed()
self.paddle_a.reset()
self.paddle_b.reset()
