我最近在 screen.fill 命令中遇到了困难,我的程序运行良好,但特性不稳定,有时不会出现在屏幕上,我尝试将命令从代码中的不同位置放置。它有时也会留下痕迹
...
导入pygame
pygame.init()
pygame.display.init()
#creation of screen
screen = pygame.display.set_mode((800, 600))
#window title
# game.display.set_caption("space invaders")
#player coordinates
playerX = 360
playerY = 480
#player image
playerimg = pygame.image.load("spaceship.png")
#player change distance
playerX_change = 0
#drawing player on screen
def player(x, y):
pygame.display.flip()
pygame.display.update()
screen.blit(playerimg, (x, y))
#game loop
running = True
while running == True:
#event system
for event in pygame.event.get():
screen.fill((0, 0, 0))
#exit function
if event.type == pygame.QUIT:
pygame.quit()
player(playerX, playerY)
#arrows key press detection or movement system
if event.type == pygame.KEYDOWN:
player(playerX,playerY)
if event.key == pygame.K_LEFT:
playerX_change = -0.3
if event.key == pygame.K_RIGHT:
playerX_change = 0.3
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
playerX_change = 0
#movement
playerX += playerX_change
...
最佳答案
在绘制屏幕上的对象之前先清除屏幕一次。实际上,您在事件循环中调用了 screen.fill
。事件循环为每个事件执行一次。将 screen.fill
从事件循环移动到应用程序循环。应用程序循环每帧执行一次。
while running == True:
screen.fill((0, 0, 0)) # insert
#event system
for event in pygame.event.get():
#screen.fill((0, 0, 0)) # delete
#exit function
if event.type == pygame.QUIT:
pygame.quit()
# [...]
此外,在绘制所有对象后仅更新显示一次。参见 Why is the PyGame animation is flickering .
关于python - pygame“screen.fill command”,我把它放在哪里?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/66757382/