在我的计算机科学课程中,我必须编写一个程序,但是遇到了无法找到答案的问题。 首先,在用***突出显示的代码部分中,我试图使精灵字符1移动,当我按下箭头键并且不知道为什么时,它什么也没做 其次是我用作按钮的图片在单击时没有任何作用-用###
突出显示我知道我的代码不是最有效的,但是我正在尝试做对我来说有意义的事情
import pygame
import random
import time
WIDTH = 1080
HEIGHT =720
FPS = 30
x1 = WIDTH/2.25
y1 = HEIGHT/2.5
x2 = WIDTH/20
y2 = HEIGHT/2.5
xbut = 800
ybut = 275
gameTitle = 'Hungry Ghosts'
xChange1 = 0
yChange1 = 0
xChange2 = 0
yChange2 = 0
#define colours
WHITE = (255,255,255)
BLACK = (0,0,0)
MEGAN = (123,57,202)
MOLLIE = (244,11,12)
KATIE = (164,12,69)
#initialise pygame and window
pygame.init()
pygame.mixer.init()
pygame.font.init()
screen =pygame.display.set_mode((WIDTH,HEIGHT))
pygame.display.set_caption('Hungry Ghosts')
clock = pygame.time.Clock()
#load immages
background_image = pygame.image.load(('purplesky.jpg'))
player1_image = pygame.image.load(('player 1.png')).convert_alpha()
player2_image = pygame.image.load(('player 2.png')).convert_alpha()
position = (0,0)
screen.blit(background_image, position)
startBut = pygame.image.load('button.jpg').convert()
#define functions
def textObjects(gameTitle, font):
textSurface = font.render(gameTitle,True, WHITE)
pygame.display.update()
return textSurface, textSurface.get_rect()
def titleText(gameTitle):
textForTitle = pygame.font.Font('VCR_OSD_MONO_1.001.ttf',115)
TextSurf, TextRect = textObjects(gameTitle, textForTitle)
TextRect.center = ((WIDTH/2),(HEIGHT/6))
screen.blit(TextSurf,TextRect)
pygame.display.update()
########################################
def titleButton(xbut,ybut):
screen.blit(startBut,(xbut,ybut))
pygame.display.update()
########################################
***************************************
def character1(x1,y1):
screen.blit(player1_image,(x1,y1))
pygame.display.update()
***************************************
def character2(x,y):
screen.blit(player2_image,(x,y))
pygame.display.update()
def homeScreen():
running = True
gameplay = False
instructions = False
home = True
while running:
clock.tick(FPS)
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
################################################################
if event.type == pygame.MOUSEBUTTONDOWN:
xbut,ybut = event.pos
if startBut.get_rect().collidepoint(xbut,ybut):
print('clicked on button')
################################################################
def gameLoop():
running = True
while running:
clock.tick(FPS)
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
pygame.display.flip()
*************************************************************************
#movement
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
xChange1 = -5
elif event.key == pygame.K_RIGHT:
xChange1 = 5
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
xChange1 = 0
x1 += xChange1
*************************************************************************
#calling functions
titleText(gameTitle)
character1(x1,y1)
character2(x2,y2)
titleButton(xbut,ybut)
homeScreen()
pygame.quit()
答案 0 :(得分:0)
您必须在游戏循环中进行场景的移动和绘制。
应用程序循环必须:
pygame.event.pump()
或pygame.event.get()
处理事件。blit
个对象)pygame.display.update()
或pygame.display.flip()
更新显示running = True
def homeScreen():
global running
start = False
home = True
while running and not start:
clock.tick(FPS)
# handle events
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.MOUSEBUTTONDOWN:
if startBut.get_rect(topleft = (xbut, ybut)).collidepoint(event.pos):
print('clicked on button')
start = True
# draw background
screen.blit(background_image, (0, 0))
# draw scene
titleText(gameTitle)
titleButton(xbut,ybut)
# update display
pygame.display.flip()
homeScreen()
def gameLoop():
global running
global x1, y2, x2, y2, xChange1, yChange1, xChange2, yChange2
while running:
clock.tick(FPS)
# handle events
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
xChange1 = -5
elif event.key == pygame.K_RIGHT:
xChange1 = 5
if event.type == pygame.KEYUP:
if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
xChange1 = 0
# update position of objects
x1 += xChange1
# draw background
screen.blit(background_image, (0, 0))
# draw scene
character1(x1,y1)
character2(x2,y2)
# update display
pygame.display.flip()
gameLoop()
pygame.quit()