pygame弹球游戏

Pygame 入门基本指南 - RioTian - 博客园 (cnblogs.com)

代码

import os
import pygame


# Colors (R, G, B)
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)


WIDTH = 360  # 游戏窗口的宽度
HEIGHT = 480 # 游戏窗口的高度
FPS = 30 # 帧率

class Player(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image = player_img
        self.rect = self.image.get_rect()
        self.rect.center = (WIDTH / 2, HEIGHT / 2)
        self.speed = 1;

    def update(self):
        self.rect.x += 5 * self.speed;
        if self.rect.right > WIDTH:
            self.speed = -1;
        if self.rect.left < 0:
            self.speed = 1;


# initialize pygame and create window
pygame.init()
pygame.mixer.init()  #声音初始化
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("My Soccer")#设置游戏窗口标题栏文字
clock = pygame.time.Clock()

# set up asset folders
game_folder = os.path.dirname(__file__)
img_folder = os.path.join(game_folder, 'img')
player_img = pygame.image.load(os.path.join(img_folder, "soccer_ball.png")).convert()
player_img = pygame.transform.scale(player_img, (50, 50))
all_sprites = pygame.sprite.Group()
player = Player()
all_sprites.add(player)

# Game Loop
running = True
while running:
    # keep loop running at the right speed
    clock.tick(FPS)

    # Process input (events)
    for event in pygame.event.get():
        # check for closing window
        if event.type == pygame.QUIT:
            running = False
    # Update
    all_sprites.update()

    # Draw / render
    screen.fill(BLACK)
    all_sprites.draw(screen)

    # *after* drawing everything, flip the display
    pygame.display.flip()

要点

精灵图像导入

# set up asset folders
game_folder = os.path.dirname(__file__)
img_folder = os.path.join(game_folder, 'img')
player_img = pygame.image.load(os.path.join(img_folder, "soccer_ball.png")).convert()
player_img = pygame.transform.scale(player_img, (50, 50))

精灵图像缩放

pygame.Surface — pygame v2.0.1.dev1 documentation

player_img = pygame.transform.scale(player_img, (50, 50))

精灵 Player 类

class Player(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image = player_img
        self.rect = self.image.get_rect()
        self.rect.center = (WIDTH / 2, HEIGHT / 2)
        self.speed = 1;

    def update(self):
        self.rect.x += 5 * self.speed;
        if self.rect.right > WIDTH:
            self.speed = -1;
        if self.rect.left < 0:
            self.speed = 1;

精灵组初始化

all_sprites = pygame.sprite.Group()
player = Player()
all_sprites.add(player)

效果演示

pygame足球