pygame游戏之旅 计算游戏中躲过的障碍数量

  • Z时代
  • 2024-01-10
  • 分类：综合

本文为大家分享了pygame游戏之旅的第8篇，供大家参考，具体内容如下

定义一个计数函数：

def things_dodged(count):
 font = pygame.font.SysFont(None, 25)
 text = font.render("Dodged:"+str(count), True, black)
 gameDisplay.blit(text,(0,0))

在游戏循环中加入计数，然后增加一些游戏难度，例如加速障碍，增加障碍的宽度：

dodged += 1
thing_speed += 1
thing_width += (dodged * 1.2)

全部代码：

import pygame
import time
import random
pygame.init()
white = (255,255,255)
black = (0,0,0)
car_width = 100
display_width = 800
display_height = 600
gameDisplay = pygame.display.set_mode( (display_width,display_height) )
pygame.display.set_caption('A bit Racey')
clock = pygame.time.Clock()
carImg = pygame.image.load('car.png')
def things_dodged(count):
 font = pygame.font.SysFont(None, 25)
 text = font.render("Dodged:"+str(count), True, black)
 gameDisplay.blit(text,(0,0))
def things(thingx, thingy, thingw, thingh, color):
 pygame.draw.rect(gameDisplay, color, [thingx, thingy, thingw, thingh])
def car(x, y):
 gameDisplay.blit(carImg, (x,y))
def text_objects(text, font):
 textSurface = font.render(text, True, black)
 return textSurface, textSurface.get_rect()
def message_diaplay(text):
 largeText = pygame.font.Font('freesansbold.ttf',115)
 TextSurf, TextRect = text_objects(text, largeText)
 TextRect.center = ((display_width/2),(display_height/2))
 gameDisplay.blit(TextSurf, TextRect)
 pygame.display.update()
 time.sleep(2)
 game_loop()
def crash():
 message_diaplay('You Crashed')
def game_loop():
 x = display_width * 0.45
 y = display_height * 0.8
 x_change = 0
 dodged = 0
 gameExit = False
 thing_startx = random.randrange(0, display_width)
 thing_starty = -600
 thing_speed = 7
 thing_width = 100
 thing_height = 100
 while not gameExit:
 for event in pygame.event.get():
  if event.type == pygame.QUIT:
  pygame.quit()
  quit()
  if event.type == pygame.KEYDOWN:
  if event.key == pygame.K_LEFT:
   x_change = -5
  elif event.key == pygame.K_RIGHT:
   x_change = 5
  if event.type == pygame.KEYUP:
  if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
   x_change = 0
  print(event)
 x += x_change
 gameDisplay.fill(white)
 things(thing_startx, thing_starty, thing_width, thing_height, black)
 thing_starty += thing_speed
 car(x,y)
 things_dodged(dodged)
 if x > display_width - car_width or x < 0:
  gameExit = True
 if thing_starty > display_height:
  thing_starty = 0 - thing_height
  thing_startx = random.randrange(0, display_width)
  dodged += 1
  thing_speed += 1
  thing_width += (dodged * 1.2)
 if y < thing_starty + thing_height:
  print('y crossover')
  if x > thing_startx and x < thing_startx + thing_width or x + car_width > thing_startx and x + car_width < thing_startx + thing_width:
  print('x crossover')
  crash()
 pygame.display.update()
 clock.tick(60)
#crash()
game_loop()
pygame.quit()
quit()

效果图：

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