因此，我需要Pygame for Python 3.6的帮助。这是我的第一学期学习编程课程，是的，这是我需要帮助的家庭作业。当雨滴静止时，我的代码可以正常工作，但是一旦出于某种原因放入了雨滴，现在只装载其中的一行。我需要一个雨滴网格，该雨滴网格会在屏幕上向下移动，并且每当最下面一行从屏幕上消失时，就会加载新的一行。是的，可能有比拥有所有这些模块更简单的方法，但这就是本书希望完成的方式。到目前为止，这是我得到的：
raindropgame.py
import sys
import pygame
from pygame.sprite import Group
from settings import Settings
from raindrop import Raindrop
import game_functions as gf
def run_game():
# Initialize game and create a screen object.
pygame.init()
settings = Settings()
screen = pygame.display.set_mode((settings.screen_width,
settings.screen_height))
pygame.display.set_caption("13-3")
# Make raindrop group.
raindrops = Group()
# Create the raindrops.
gf.create_raindrops(settings, screen, raindrops)
# Start the main loop for the game.
while True:
gf.update_raindrops(raindrops)
gf.update_screen(settings, screen, raindrops)
# Watch for keyboard and mouse events.
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
run_game()
settings.py
class Settings():
"""A class to store all settings."""
def __init__(self):
"""Initialize the game's settings."""
# Screen settings
self.screen_width = 1200
self.screen_height = 800
self.bg_color = (0, 0, 255)
# Raindrop settings
self.raindrop_speed_factor = 1
game_functions.py
import sys
import pygame
from raindrop import Raindrop
def update_screen(settings, screen, raindrops):
"""Update images on the screen and flip to the new screen."""
# Redraw the screen during each pass through the loop.
screen.fill(settings.bg_color)
raindrops.draw(screen)
# Make the most recently drawn screen visible.
pygame.display.flip()
def get_number_raindrops_x(settings, raindrop_width):
"""Determine the number of raindrops that fit in a row."""
available_space_x = settings.screen_width - 2 * raindrop_width
number_raindrops_x = int(available_space_x / (2 * raindrop_width))
return number_raindrops_x
def get_number_rows(settings, raindrop_height):
"""Determine the number of rows of raindrops that fit on the screen."""
available_space_y = settings.screen_height - (2 * raindrop_height)
number_rows = int(available_space_y / (2 * raindrop_height))
return number_rows
def create_raindrop(settings, screen, raindrops, raindrop_number, row_number):
"""Create a raindrop and place it in the row."""
raindrop = Raindrop(settings, screen)
raindrop_width = raindrop.rect.width
raindrop.x = raindrop_width + 2 * raindrop_width * raindrop_number
raindrop.rect.x = raindrop.x
raindrop.rect.y = raindrop.rect.height + 2 * raindrop.rect.height * row_number
raindrops.add(raindrop)
def create_raindrops(settings, screen, raindrops):
"""Create a full sky of raindrops."""
# Create a raindrop and find the number of raindrops in a row.
raindrop = Raindrop(settings, screen)
number_raindrops_x = get_number_raindrops_x(settings, raindrop.rect.width)
number_rows = get_number_rows(settings, raindrop.rect.height)
# Create the full sky of raindrops.
for row_number in range(number_rows):
for raindrop_number in range(number_raindrops_x):
create_raindrop(settings, screen, raindrops, raindrop_number, row_number)
def update_raindrops(raindrops):
"""Update the positions of all raindrops in sky."""
raindrops.update()
雨滴
import pygame
from pygame.sprite import Sprite
class Raindrop(Sprite):
"""A class to represent a single raindrop in the sky."""
def __init__(self, settings, screen):
"""Initialize the raindrop and set its starting position."""
super(Raindrop, self).__init__()
self.screen = screen
self.settings = settings
# Load the raindrop image and set its rect attribute.
self.image = pygame.image.load('images/raindrop.png')
self.rect = self.image.get_rect()
# Start each new raindrop near the top left of the screen.
self.rect.x = self.rect.width
self.rect.y = self.rect.height
self.y = float(self.rect.y)
def update(self):
"""Move raindrop down."""
self.y += self.settings.raindrop_speed_factor
self.rect.y = self.y
def blitme(self):
"""Draw the raindrop at its current location."""
self.screen.blit(self.image, self.rect)
谁能告诉我我做错了什么，也许如何让它在最下面一行离开时创建新行，因为我不知道。 ：/
最佳答案
在create_raindrop()中，您需要更改：
raindrop.rect.y = raindrop.rect.height + 2 * raindrop.rect.height * row_number
至：
raindrop.y = raindrop.rect.height + 2 * raindrop.rect.height * row_number
raindrop.rect.y = raindrop.y