pygame游戏之旅 调用按钮实现游戏开始功能

本文为大家分享了pygame游戏之旅的第12篇，供大家参考，具体内容如下

实现点击功能：

click = pygame.mouse.get_pressed()
print(click)
if x + w > mouse[0] > x and y + h > mouse[1] > y:
 pygame.draw.rect(gameDisplay, ac, (x,y,w,h))
 if click[0] == 1 and action != None:
 action()

修改显示文字：

pygame.font.SysFont('comicsansms',115)

源代码：

import pygame
import time
import random
 
pygame.init()
 
white = (255,255,255)
black = (0,0,0)
gray = (128,128,128)
red = (200,0,0)
green = (0,200,0)
bright_red = (255,0,0)
bright_green = (0,255,0)
blue = (0,0,255)
 
 
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.SysFont('comicsansms',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 button (msg, x, y, w, h, ic, ac, action=None):
 mouse =pygame.mouse.get_pos()
 click = pygame.mouse.get_pressed()
 print(click)
 if x + w > mouse[0] > x and y + h > mouse[1] > y:
  pygame.draw.rect(gameDisplay, ac, (x,y,w,h))
  if click[0] == 1 and action != None:
  action()
##  if action == "play":
##   action()
##  if action == "quit":
##   pygame.quit()
##   quit()
 else:
  pygame.draw.rect(gameDisplay, ic, (x,y,w,h))
 smallText = pygame.font.SysFont('comicsansms', 20)
 textSurf, textRect = text_objects(msg, smallText)
 textRect.center = ( (x+(w/2)), (y+(h/2)))
 gameDisplay.blit(textSurf, textRect)
 
def quitgame():
 pygame.quit()
 quit()
 
def game_intro():
 intro = True
 while intro:
 for event in pygame.event.get():
  print(event)
  if event.type == pygame.QUIT:
  pygame.quit()
  quit()
 gameDisplay.fill(white)
 largeText = pygame.font.SysFont('comicsansms',115)
 TextSurf, TextRect = text_objects('A bit Racey', largeText)
 TextRect.center = ((display_width/2),(display_height/2))
 gameDisplay.blit(TextSurf, TextRect)
 button("GO", 150, 450, 100, 50, green, bright_green,game_loop)
 button("Quit",550, 450, 100, 50, red, bright_red,quitgame)
 pygame.display.update()
 clock.tick(15)
 
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_intro()
game_loop()
pygame.quit()
quit()

结果图：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持呐喊教程。

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