Skor Terbaik dan Memulai Ulang dengan Aman

Termasuk bagian Aturan Game dalam perjalanan Pygame di Coddy. Pelajaran 30 dari 30.

Layar game over menampilkan skor terbaik dan memulai permainan baru saat tombol Spasi ditekan. best ditetapkan satu kali, sebelum perulangan, di luar reset(), sehingga permainan baru tetap menyimpan nilainya.

Sekarang tombol Spasi memiliki fungsi ketiga, yaitu pada layar game over:

elif pygame.time.get_ticks() - over_time > 500:
    reset()
    state = "play"

Tombol Spasi digunakan untuk melompat, jadi pemain sering menekannya saat tabrakan terjadi. Tanpa jeda, permainan akan dimulai ulang sebelum mereka melihat hasilnya. Ingat waktu tabrakan dalam over_time, lalu terima tombol Spasi pada layar game over hanya 500 ms kemudian.

Tantangan

Sulit

Tampilkan skor terbaik dan mulai ulang dengan aman.

Setelah state = "menu", atur best = 0 dan over_time = 0. Saat terjadi tabrakan, best = max(best, score) akan dijalankan dan over_time diatur ke waktu saat itu.
Layar game over menampilkan Game over, Best: 00120, dan Press Space to play again.
Di sana, tombol Spasi memanggil reset() dan permainan dimulai lagi, hanya setelah 500 ms sejak tabrakan.

Tekan tombol “Main” lalu biarkan terjadi tabrakan: skor terbaikmu akan ditampilkan, lalu Spasi memulai permainan lagi. Setelah itu, tekan tombol “Periksa”.

Coba sendiri

import random
import pygame

pygame.init()
screen = pygame.display.set_mode((640, 320))
pygame.display.set_caption("Sky Runner")
clock = pygame.time.Clock()
font = pygame.font.Font("assets/fonts/pixel.ttf", 32)
big_font = pygame.font.Font("assets/fonts/pixel.ttf", 48)
INK = (40, 50, 80)

SKY = (140, 200, 240)
GROUND = (90, 160, 80)
GROUND_Y = 260
GRAVITY = 1
SPAWN = pygame.USEREVENT + 1
POINT = pygame.USEREVENT + 2


class Runner(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        self.frames = [
            pygame.image.load("assets/images/player.png").convert_alpha(),
            pygame.image.load("assets/images/player_walk.png").convert_alpha(),
        ]
        self.image = self.frames[0]
        self.step = 0
        self.rect = self.image.get_rect(midbottom=(100, GROUND_Y))
        self.vy = 0

    def jump(self):
        if self.rect.bottom == GROUND_Y:
            self.vy = -16

    def update(self):
        self.vy += GRAVITY
        self.rect.y += self.vy
        if self.rect.bottom >= GROUND_Y:
            self.rect.bottom = GROUND_Y
            self.vy = 0
        if self.rect.bottom == GROUND_Y:
            self.step += 1
            self.image = self.frames[self.step // 8 % 2]
        else:
            self.image = self.frames[1]


class Obstacle(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        self.image = random.choice(obstacle_images)
        self.rect = self.image.get_rect(midbottom=(664, GROUND_Y))

    def update(self):
        self.rect.x -= speed
        if self.rect.right < 0:
            self.kill()


obstacle_images = [
    pygame.image.load("assets/images/spike_ball.png").convert_alpha(),
    pygame.image.load("assets/images/blob.png").convert_alpha(),
]


def reset():
    global runner, obstacles, speed, score
    runner = Runner()
    obstacles = pygame.sprite.Group()
    speed = 6
    score = 0
    pygame.time.set_timer(SPAWN, 1500)
    pygame.time.set_timer(POINT, 100)


def show(text, text_font, y):
    picture = text_font.render(text, True, INK)
    screen.blit(picture, picture.get_rect(center=(320, y)))


reset()
state = "menu"

running = True
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        if event.type == pygame.KEYDOWN and event.key in (pygame.K_SPACE, pygame.K_UP):
            if state == "play":
                runner.jump()
            elif state == "menu":
                reset()
                state = "play"
        if event.type == SPAWN and state == "play":
            obstacles.add(Obstacle())
            pygame.time.set_timer(SPAWN, random.randint(1000, 2000))
        if event.type == POINT and state == "play":
            score += 1

    if state == "play":
        speed = min(14, 6 + score // 100)
        runner.update()
        obstacles.update()
        if pygame.sprite.spritecollideany(runner, obstacles, pygame.sprite.collide_mask):
            state = "over"

    screen.fill(SKY)
    pygame.draw.rect(screen, GROUND, (0, GROUND_Y, 640, 60))
    screen.blit(runner.image, runner.rect)
    obstacles.draw(screen)
    if state == "menu":
        show("Sky Runner", big_font, 110)
        show("Press Space to start", font, 170)
    else:
        score_text = font.render(f"{score:05}", True, INK)
        screen.blit(score_text, score_text.get_rect(topright=(630, 10)))
    if state == "over":
        message = font.render("Game over", True, (40, 50, 80))
        screen.blit(message, message.get_rect(center=(320, 140)))
    pygame.display.flip()
    clock.tick(60)

pygame.quit()