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python - Python中的无限滚动背景

转载 作者:太空宇宙 更新时间:2023-11-04 02:03:46 25 4
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我正在尝试使用 python 的街机库为简单的“躲避传入对象”游戏创建无限滚动背景。我已经设法让背景移动,但我似乎无法创建另一个。我一直在看很多示例代码,我理解基本思想是我有一个列表,当 x = 0 时删除背景,然后在起始值处附加另一个。

我在执行过程中遇到了麻烦。 :/

self.background_sprite = arcade.sprite.Sprite("resources/Background.png")
self.background_sprite.center_x = 600
self.background_sprite.center_y = 300
self.background_list.append(self.background_sprite)

for self.background_sprite in self.background_list:
self.background_sprite.change_x -= BACKGROUND_SPEED

def update_order(self):
self.background_update
self.player_update()

def on_draw(self):
""" Render the screen. """
arcade.start_render()
self.player_list.draw()
for self.background_sprite in self.background_list:
self.background_sprite.draw()


def background_update(self, delta_time):
for self.background_sprite in self.background_list:
x = self.background_sprite.center_x - BACKGROUND_SPEED
self.background_list.update()
if x == 0:
self.background_list.remove(self.background_sprite)
self.background_list.append(self.background_sprite)
repeat_count_x = 2
self.background_list.update()

最佳答案

我想出了如何做到这一点,所以我会为以后用谷歌搜索它的人回答我自己的问题。

编辑:我想我已经尽可能地简化了代码。我还添加了方程式,所以你所要做的就是在顶部插入你的数字,在底部插入你的文件。它非常适合与窗口大小相同的背景。

import arcade
import os

# --- Constants ---
SCREEN_WIDTH = 800
SCREEN_HEIGHT = 400
IMAGE_WIDTH = 800
SCROLL_SPEED = 5

class MyGame(arcade.Window):
def __init__(self, width, height):
super().__init__(width, height)

file_path = os.path.dirname(os.path.abspath(__file__))
os.chdir(file_path)

def setup(self):

#first background image
self.background_list = arcade.SpriteList()

self.background_sprite = arcade.Sprite("image.file")

self.background_sprite.center_x = IMAGE_WIDTH // 2
self.background_sprite.center_y = SCREEN_HEIGHT // 2
self.background_sprite.change_x = -SCROLL_SPEED

self.background_list.append(self.background_sprite)

#second background image
self.background_sprite_2 = arcade.Sprite("image.file")

self.background_sprite_2.center_x = SCREEN_WIDTH + IMAGE_WIDTH // 2
self.background_sprite_2.center_y = SCREEN_HEIGHT // 2
self.background_sprite_2.change_x = -SCROLL_SPEED

self.background_list.append(self.background_sprite_2)

def on_draw(self):
arcade.start_render()
self.background_list.draw()

def update(self, delta_time):

#reset the images when they go past the screen
if self.background_sprite.left == -IMAGE_WIDTH:
self.background_sprite.center_x = SCREEN_WIDTH + IMAGE_WIDTH // 2

if self.background_sprite_2.left == -IMAGE_WIDTH:
self.background_sprite_2.center_x = SCREEN_WIDTH + IMAGE_WIDTH // 2

self.background_list.update()

def main():
window = MyGame(SCREEN_WIDTH, SCREEN_HEIGHT)
window.setup()
arcade.run()

if __name__ == "__main__":
main()

关于python - Python中的无限滚动背景,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55167496/

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