[英]Not sure how to blit font with a variable onto a surface, pygame
trying to blit onto the screen a font with a variable - the score you have achieved - onto the screen after dying.试图在屏幕上 blit 一个带有变量的字体 - 你已经达到的分数 - 在死后出现在屏幕上。
BLACK = (0, 0, 0)
font_small = pygame.font.SysFont("Verdana", 20)
scoreMsg = "Your score: {0}".format(SCORE)
show_score = font_small.render(scoreMsg, True, BLACK)
later on I call the show_score variable like this:稍后我这样调用 show_score 变量:
screen.blit(show_score, (30, 400))
here is the full code: https://pastebin.com/5RnShSCG这是完整的代码: https://pastebin.com/5RnShSCG
edit: i forgot to mention.编辑:我忘了说。 the text "Your score:" shows up on the screen, but the variable is always 0, even if score is higher.文本“你的分数:”出现在屏幕上,但变量始终为 0,即使分数更高。
The SCORE
is not tied to the show_score
surface. SCORE
与show_score
表面无关。 The show_score
surface does not magically change when you change SCORE
.当您更改SCORE
时, show_score
表面不会神奇地改变。 You must rerender the show_score
surface:您必须重新渲染show_score
表面:
class Enemy(pygame.sprite.Sprite):
# [...]
def move(self):
global SCORE, show_score
self.rect.move_ip(0,SPEED)
if (self.rect.top > 600):
self.rect.top = 0
SCORE+=1
show_score = font_small.render("Your score: {0}".format(SCORE), True, BLACK)
self.rect.center = (random.randint(30, 370), 0)
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