回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>我一直试图让这段python代码正常工作,但是没有成功。所以我要做的是让我的按钮有3种状态:空闲、悬停和点击。在</p>
<p>然而,由于某些原因,图像并没有改变。有人能告诉我我做错了什么吗?在</p>
<pre><code>import pygame,sys,os
from pygame.locals import *
BG = "bg.jpg"
BUTTON1 = "buttonidle.png"
BUTTON2 = "buttonhov.png"
BUTTON3 = "buttonclick.png"
def load_image(name, colorkey=None):
fullname = os.path.join(name)
try:
image = pygame.image.load(fullname)
except pygame.error, message:
print "Can't load image:", name
raise SystemExit, message
image = image.convert()
if colorkey is not None:
if colorkey is -1:
colorkey = image.get_at((0,0))
image.set_colorkey(colorkey, RLEACCEL)
return image, image.get_rect()
class Button(pygame.sprite.Sprite):
global buttonsprite
def __init__(self):
pygame.sprite.Sprite.__init__(self)
if buttonsprite == 1:
self.image,self.rect = load_image(BUTTON1, -1)
screen = pygame.display.get_surface()
self.area = screen.get_rect()
self.rect.topleft = 190, 140
if buttonsprite == 2:
self.image,self.rect = load_image(BUTTON2, -1)
if buttonsprite == 3:
self.image,self.rect = load_image(BUTTON3, -1)
buttonsprite = 1
pygame.init()
screen = pygame.display.set_mode((500,300))
pygame.display.set_caption('Window')
background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill((255,255,255))
screen.blit(background,(0,0))
pygame.display.flip()
button = Button()
allsprites = pygame.sprite.RenderPlain((button))
allsprites.update()
screen.blit(background,(0,0))
allsprites.draw(screen)
pygame.display.flip()
while True:
x,y = pygame.mouse.get_pos()
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
if x >= 193 and x <= 315 and y >= 143 and y <= 171:
buttonsprite = 2
if event.type == MOUSEBUTTONDOWN:
buttonsprite = 3
else:
buttonsprite = 1
</code></pre>
<p>谢谢你!在</p>
<p>编辑:</p>
<p>好的,我得到了一些帮助,我添加了一个更新函数。但似乎还是不行。在</p>
^{pr2}$