[英]python pygame the background image changes with the screen size
I set screen=p.display.set_mode((width,height),flag,0)
as my pygame screen and flag=p.RESIZABLE
makes the screen can be stretch.我将
screen=p.display.set_mode((width,height),flag,0)
为我的 pygame 屏幕, flag=p.RESIZABLE
使屏幕可以拉伸。
At this time i load an image as the background, now when i stretch the screen, the background wont change the size by the screen, how can i do it?这时候我加载了一张图片作为背景,现在当我拉伸屏幕时,背景不会随着屏幕改变大小,我该怎么做?
here's the codes:这是代码:
#! /usr/bin/python
import sys
import pygame as p
pic="/home/finals/python/alien/image/muha.png"
def screen_setting(width,height):
p.init()
flag=p.RESIZABLE
screen=p.display.set_mode((width,height),flag,0)
bk=p.transform.smoothscale(p.image.load(pic).convert(),(width,height))
while True:
for event in p.event.get():
if event.type == p.QUIT:
sys.exit()
screen.blit(bk,(0,0))
p.display.flip()
screen_setting(1200,800)
You have to implement the VIDEORESIZE
event (see pygame.event
).您必须实现
VIDEORESIZE
事件(请参阅pygame.event
)。
When the window is resized, then get the new size of the window from the even attributes:当窗口被调整大小时,然后从偶数属性中获取窗口的新大小:
width, height = event.w, event.h
Create a new Surface associated to the window and scale the background to the new size:创建一个与窗口关联的新 Surface 并将背景缩放到新大小:
def screen_setting(width,height):
p.init()
flag = p.RESIZABLE
screen=p.display.set_mode((width, height), flag, 0)
bk_orig = p.image.load(pic).convert()
bk = p.transform.smoothscale(bk_orig, (width, height))
while True:
for event in p.event.get():
if event.type == p.QUIT:
sys.exit()
elif event.type == p.VIDEORESIZE:
width, height = event.w, event.h
screen = p.display.set_mode((width, height), flag, 0)
bk = p.transform.smoothscale(bk_orig, (width, height))
screen.blit(bk, (0 ,0))
p.display.flip()
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