这是我的第一篇帖子!我想在Pygame中复制一条蛇,但是当我的蛇碰到苹果时,它就不能传送到另一个地方。这是我的密码:
import pygame
import time
import random
pygame.init()
wh = (255,255,255) #white
bk = (0,0,0) #black
ylw = (255,255,0) #yellow
prpl = (127,0,127) #purple
snakeXChange = 0
snakeYChange = 0
dWidth = 800
dHeight = 600
clock = pygame.time.Clock()
fps = 25
blockSize = 15
appleX = round(random.randrange(0, dWidth - blockSize)/ 10.0)* 10.0
appleY = round(random.randrange(0, dHeight - blockSize) / 10.0)* 10.0
snakeX = dWidth / 2
snakeY = dHeight / 2
font = pygame.font.SysFont(None, 25)
def message(msg, color):
screenText = font.render(msg, True, color)
gameDisplay.blit(screenText, [dWidth / 2, dHeight / 2])
gameDisplay = pygame.display.set_mode((dWidth,dHeight))
pygame.display.set_caption('Snek') #shoutout to Hopson
gameExit = False
gameOver = False
while not gameExit:
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameExit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
snakeXChange = -blockSize
snakeYChange = 0
if event.key == pygame.K_RIGHT:
snakeXChange = blockSize
snakeYChange = 0
if event.key == pygame.K_UP:
snakeYChange = -blockSize
snakeXChange = 0
if event.key == pygame.K_DOWN:
snakeYChange = blockSize
snakeXChange = 0
snakeX += snakeXChange
snakeY += snakeYChange
gameDisplay.fill(prpl)
pygame.draw.rect(gameDisplay, wh, [snakeX,snakeY,blockSize,blockSize]) #snake
pygame.draw.rect(gameDisplay, ylw, [appleX,appleY,blockSize,blockSize]) #apple
if snakeX == appleX and snakeY == appleY:
appleX = round(random.randrange(0, dWidth - blockSize)/ 10.0)* 10.0
appleY = round(random.randrange(0, dHeight - blockSize) / 10.0)* 10.0
clock.tick(fps)
pygame.display.update()
message("GAME OVER NIBBA", ylw)
pygame.display.update() #updates the display
time.sleep(5)
pygame.quit()
quit()
我遵循newboston的教程作为参考。你知道吗
干杯
萨尔蒙桑
你将
appleX
和appleY
坐标四舍五入到10的倍数,但是以15像素的步长移动,这意味着蛇可能无法触摸苹果。例如,appleX
可能是410,蛇从400开始,所以它永远无法到达苹果。你知道吗将所有位置四舍五入到15的最接近倍数(即
blockSize
和速度):也可以将
15
作为step
参数传递给random.randrange
,得到15的随机倍数。你知道吗也可以使用^{}s 进行碰撞检测并存储坐标。你知道吗
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