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。我设法移动了背景,但似乎无法创建另一个。我一直在看很多示例代码,我知道基本的想法是我有一个列表,当x = 0时,该列表会删除背景,然后在起始值处附加另一个。
我在执行时遇到麻烦。 :/
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()
答案 0 :(得分:2)
我想出了解决方法,所以以后对所有使用谷歌搜索的人都会回答我自己的问题。
编辑:我想我已经尽可能地简化了代码。我还添加了等式,因此您所要做的就是在顶部插入数字,在底部插入文件。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()