当我试图加载一个图像的第一个游戏,我从一个教程,我有一个错误,加载一个形象的蛇头。在
import pygame
import time
import random
pygame.init()
white = (255,255,255)
black = (0,0,0)
red = (255,0,0)
orange = (255,127,0)
yellow = (255,255,0)
green = (0,255,0)
blue = (0,0,255)
purple = (143,0,255)
dark_green = (0,155,0)
display_width = 800
display_height = 600
gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption("Slither")
img = pygame.image.load("snakehead.png")
clock = pygame.time.Clock()
block_size = 20
FPS = 15
font = pygame.font.SysFont(None, 25)
def snake(block_size, snakelist):
gameDisplay.blit(img, (snakelist[-1][0], snakelist[-1][1]))
for XnY in snakelist[:-1]:
pygame.draw.rect(gameDisplay, dark_green, [XnY[0],XnY[1],block_size,block_size])
def text_objects(text,color):
textSurface = font.render(text, True, color)
return textSurface, textSurface.get_rect()
def message_to_screen(msg,color):
textSurf, textRect = text_objects(msg,color)
#screen_text = font.render(msg, True, color)
#gameDisplay.blit(screen_text, [display_width/2, display_height/2])
textRect.center = (display_width / 2), (display_height / 2)
gameDisplay.blit(textSurf, textRect)
def gameLoop():
gameExit = False
gameOver = False
lead_x = display_width/2
lead_y = display_height/2
lead_x_change = 0
lead_y_change = 0
snakeList = []
snakeLength = 0
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
while not gameExit:
while gameOver == True:
gameDisplay.fill(white)
message_to_screen("Game over, press Q to play again ot W to quit", red)
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameExit = True
gameOver = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_w:
gameExit = True
gameOver = False
if event.key == pygame.K_q:
gameLoop()
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameExit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
lead_x_change = -block_size
lead_y_change = 0
elif event.key == pygame.K_RIGHT:
lead_x_change = block_size
lead_y_change = 0
elif event.key == pygame.K_UP:
lead_y_change = -block_size
lead_x_change = 0
elif event.key == pygame.K_DOWN:
lead_y_change = block_size
lead_x_change = 0
if lead_x >= display_width or lead_x < 0 or lead_y >= display_height or lead_y < 0:
gameOver = True
lead_x += lead_x_change
lead_y += lead_y_change
gameDisplay.fill(white)
AppleThickness = 30
pygame.draw.rect(gameDisplay, red, [randAppleX, randAppleY, AppleThickness, AppleThickness])
snakeHead = []
snakeHead.append(lead_x)
snakeHead.append(lead_y)
snakeList.append(snakeHead)
snake(block_size, snakeList)
if len (snakeList) > snakeLength:
del snakeList [0]
for eachSegment in snakeList[:-1]:
if eachSegment == snakeHead:
gameOver = True
snake(block_size, snakeList)
pygame.display.update()
## if lead_x >= randAppleX and lead_x <= randAppleX + AppleThickness:
## if lead_y >= randAppleY and lead_y <= randAppleY + AppleThickness:
## randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
## randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
## snakeLength += 1
if lead_x > randAppleX and lead_x < randAppleX + AppleThickness or lead_x + block_size > randAppleX and lead_x + block_size < randAppleX + AppleThickness:
if lead_y > randAppleY and lead_y < randAppleY + AppleThickness or lead_y + block_size > randAppleY and lead_y + block_size < randAppleY + AppleThickness:
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
snakeLength += 1
elif lead_y + block_size > randAppleY and lead_y + block_size < randAppleY + AppleThickness:
randAppleX = round(random.randrange(0, display_width-block_size))#/10.0)*10.0
randAppleY = round(random.randrange(0, display_height-block_size))#/10.0)*10.0
snakeLength += 1
clock.tick(FPS)
pygame.quit()
quit()
gameLoop()
我得到的错误是
^{pr2}$请告诉我我做错了什么,因为我有一个名为,snakehead.png,位于与代码文件完全相同的文件夹中。谢谢您。在
load("snakehead.png")
在当前工作中查找{最简单的修复方法是使用绝对路径指定
snakehead.png
的位置:或者,要以编程方式查找脚本的父目录:
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