问题描述
我尝试使用公式：xoffset = screen_width/2 - player_x,yoffset = screen_height/2 - player_y 但它不起作用。我还尝试根据玩家的动作更改我的 xoffset 和 yoffset，但实际上很容易找到一些错误。 所以我想使用一个工作公式来考虑玩家的位置而不是移动。 我是编码初学者，这是我的第一个电子游戏。 感谢您的帮助。
import pygame
from pygame.locals import *
import time
pygame.init()
#Screen
screen_x = 1200
screen_y = 675
screen = pygame.display.set_mode((screen_x,screen_y))
pygame.display.set_caption('Portugheesen game')
zoom = 1
celle_size = 15*zoom
def draw_grid():
for linea in range(0,80):
pygame.draw.line(screen,(255,255,255),(0,linea * celle_size),(screen_x,linea * celle_size))
pygame.draw.line(screen,(linea * celle_size,0),screen_y))
#Images
background1 = pygame.image.load("C:/Users/claudio/Desktop/Immagini_portugheesen/jungle_background.jpg")
background1 = pygame.transform.scale(background1,(1200,755))
grass_block = pygame.image.load("C:/Users/claudio/Desktop/Immagini_portugheesen/grass_block.jpg")
dirt_block = pygame.image.load("C:/Users/claudio/Desktop/Immagini_portugheesen/dirt_block.png")
world_celle1 = [
[1,1,1],[1,2,3,2],]
class Camera():
def __init__(self):
self.x = 0
self.y = 0
def update(self):
self.x = 0
self.y = 0
class World():
def __init__(self,world_celle):
self.lista_celle = []
riga_c = 0
for riga in world_celle:
colonna_c = 0
for cella in riga:
if cella == 1:
img = pygame.transform.scale(grass_block,(celle_size,celle_size))
img_rect = img.get_rect()
img_rect.x = colonna_c * celle_size
img_rect.y = riga_c * celle_size
cella = [img,img_rect]
self.lista_celle.append(cella)
if cella == 2:
img = pygame.transform.scale(dirt_block,img_rect]
self.lista_celle.append(cella)
colonna_c = colonna_c + 1
riga_c = riga_c + 1
def draw(self):
for i in self.lista_celle:
i[1].x = i[1].x - camera.x
i[1].y = i[1].y - camera.y
screen.blit(i[0],i[1])
class Player:
def __init__(self,x,y):
img = pygame.image.load("C:/Users/claudio/Desktop/Immagini_portugheesen/player.jpg")
img = pygame.transform.scale(img,(15,30))
self.image = img
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
self.vel_y = 0
self.jump_delay = 0
self.jump_count = 0
self.stop_jump = False
def update(self):
dx = 0
dy = 0
#Keypressed
key = pygame.key.get_pressed()
if(key[pygame.K_LEFT]):
dx = dx - 5
if(key[pygame.K_RIGHT]):
dx = dx + 5
if(key[pygame.K_SPACE] or key[pygame.K_UP]):
if(pygame.time.get_ticks() > self.jump_delay):
self.vel_y = self.vel_y - 20
#self.jump_count = self.jump_count + 1
#if(self.jump_count == 2):
#self.stop_jump = True
self.jump_delay = pygame.time.get_ticks() + 50
#Gravity
self.vel_y = self.vel_y + 1
if(self.vel_y >= 10):
self.vel_y = 10
dy = dy + self.vel_y
#Collisions
for cella in world1.lista_celle:
if cella[1].colliderect(self.rect.x + dx,self.rect.y,self.image.get_width(),self.image.get_height()):
dx = 0
if cella[1].colliderect(self.rect.x,self.rect.y + dy,self.image.get_height()):
if (self.vel_y > 0):
dy = cella[1].top - self.rect.bottom
elif (self.vel_y < 0):
dy = cella[1].bottom - self.rect.top
self.vel_y = 0
self.rect.x += dx
self.rect.y += dy
screen.blit(self.image,self.rect)
#Main loop
run = True
player1 = Player(100,screen_y - 400)
world1 = World(world_celle1)
clock = pygame.time.Clock()
camera = Camera()
while run:
clock.tick(60)
screen.blit(background1,0))
player1.update()
#draw_grid()
camera.update()
world1.draw()
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
pygame.display.update()
pygame.quit()
解决方法
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