可以通过以下步骤解决:
import pygame
import sys
pygame.init()
width = 800
height = 600
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("上下移动矩形")
rect_x = 400
rect_y = 300
rect_speed = 5
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
keys = pygame.key.get_pressed()
if keys[pygame.K_UP]:
rect_y -= rect_speed
if keys[pygame.K_DOWN]:
rect_y += rect_speed
screen.fill((255, 255, 255))
pygame.draw.rect(screen, (0, 0, 0), (rect_x, rect_y, 50, 50))
pygame.display.flip()
clock = pygame.time.Clock()
clock.tick(60)
完整代码示例:
import pygame
import sys
pygame.init()
width = 800
height = 600
screen = pygame.display.set_mode((width, height))
pygame.display.set_caption("上下移动矩形")
rect_x = 400
rect_y = 300
rect_speed = 5
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
keys = pygame.key.get_pressed()
if keys[pygame.K_UP]:
rect_y -= rect_speed
if keys[pygame.K_DOWN]:
rect_y += rect_speed
screen.fill((255, 255, 255))
pygame.draw.rect(screen, (0, 0, 0), (rect_x, rect_y, 50, 50))
pygame.display.flip()
clock = pygame.time.Clock()
clock.tick(60)
这段代码使用pygame库实现了一个简单的上下移动矩形的效果。通过按下键盘上的上下箭头键,可以控制矩形在窗口中上下移动。游戏窗口的大小为800x600,矩形的初始位置为窗口中心,移动速度为5个像素。游戏帧率被设置为60帧/秒。
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