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我有 50 个要跟随玩家的外星 Sprite ,但首先我想要一个摄像机来跟随玩家,无论他走到哪里。
我在一个旧游戏中使用过这个,但是在我的旧游戏中我没有使用类或 Sprite 组,所以效率很低。
所以在这个游戏中,我将玩家设置在屏幕中央,其他一切都在移动,为此我有一个变量,比如 CameraX
和 CameraY
当玩家移动时,两个摄像机变量会上下移动。但是,在我的脚本中,外星人没有得到更新。无论如何,这是我的脚本:
import pygame, random, sys
from pygame.locals import *
pygame.init()
black = ( 0, 0, 0)
white = ( 255, 255, 255)
red = ( 255, 0, 0)
screen_width = 1080
screen_height = 720
screen = pygame.display.set_mode([screen_width,screen_height])
alien_list = pygame.sprite.Group()
all_sprites = pygame.sprite.Group()
Alien = "graphics\sprites\Alien.png"
Player = "graphics\sprites\Player.png"
CameraX = 0
CameraY = 0
def main():
class Enemy(pygame.sprite.Sprite):
def __init__(self, image):
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load(image).convert_alpha()
self.rect = self.image.get_rect()
def Create():
for i in range(50):
alien = Enemy(Alien)
alien.rect.x = random.randrange(screen_width - 50 - CameraX)
alien.rect.y = random.randrange(screen_height - 50 - CameraY)
alien_list.add(alien)
all_sprites.add(alien)
player = Enemy(Player)
all_sprites.add(player)
done = False
clock = pygame.time.Clock()
score = 0
moveCameraX = 0
moveCameraY = 0
player.rect.x = 476
player.rect.y = 296
Enemy.Create()
while done == False:
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
if event.type == KEYDOWN:
if event.key == K_w:
moveCameraY = -10
if event.key == K_s:
moveCameraY = 10
if event.key == K_a:
moveCameraX = -10
if event.key == K_d:
moveCameraX = 10
if event.type == KEYUP:
if event.key == K_w:
moveCameraY = 0
if event.key == K_s:
moveCameraY = 0
if event.key == K_a:
moveCameraX = 0
if event.key == K_d:
moveCameraX = 0
screen.fill(white)
enemys_hit = pygame.sprite.spritecollide(player, alien_list, True)
for enemy in enemys_hit:
score += 1
print(score)
all_sprites.draw(screen)
clock.tick(40)
pygame.display.flip()
pygame.quit()
然后是运行整个过程的脚本:
import pygame
import GameEg
from pygame.locals import *
pygame.init()
game = GameEg.main()
game.main()
感谢您的时间和帮助