python - 游戏敌人随机消失
问题描述
我正在自学 python 3，并使用 pygame 创建基于 python 的游戏，但遇到了两个问题。
为了在这里发帖，我把我的游戏降到了最低限度，但仍然有很多，对此我深表歉意。您实际上必须能够运行我的游戏才能看到问题，因此以下是复制问题所需的最低代码。我去掉了所有非必需品、墙壁、武器、字符类型和图像，并用块替换它们，这样你就可以在 Python 3 中复制、粘贴和运行它。
这个游戏是一个“生存每一轮”类型的游戏。
每个级别，一次应该有更多的敌人在屏幕上允许。当玩家射击它们时，它们会被移除，但会生成另一个代替它的位置。
我有两个主要问题。
我的代码中目前（应该）从精灵列表中删除敌人精灵的唯一部分是他们是否被玩家射击，或者他们与玩家接触。大约每 20 个左右的敌人，一个就会消失，我不知道为什么。
据我所知，我设置了敌人生成点，以便它们仅在任何方向至少 500 像素距离时才会生成，但它们仍然偶尔会生成在玩家上方。
复制这些的最好方法是玩前几个关卡，并特别注意敌人的消失或超近距离的产卵。它似乎是 rng 所以可能需要一些尝试。
我在代码中加入了注释，试图让你不必扫描整个东西。
import pygame,math,random,sys
#Colors
black = (0,0,0)
white = (255,255,255)
red = (188,13,13)
orange = (188,13,13)
yellow = (188,188,13)
green = (101,188,13)
blue_green = (13,188,100)
blue = (13,101,188)
purple = (100,13,188)
magenta = (188,13,101)
background1 = (93,58,23)
texture_1_1 = (116,71,25)
texture_1_2 = (75,57,31)
texture_1_3 = (105,77,49)
class Elven_Arrow_up(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.Surface([4,4])
self.image.fill(black)
self.rect = self.image.get_rect()
def update(self):
self.rect.y -= 4
class Elven_Arrow_down(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.Surface([4,4])
self.image.fill(black)
self.rect = self.image.get_rect()
def update(self):
self.rect.y += 4
class Elven_Arrow_left(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.Surface([4,4])
self.image.fill(black)
self.rect = self.image.get_rect()
def update(self):
self.rect.x -= 4
class Elven_Arrow_right(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.Surface([4,4])
self.image.fill(black)
self.rect = self.image.get_rect()
def update(self):
self.rect.x += 4
class Player(pygame.sprite.Sprite):
def __init__(self,health,speed, x, y):
super().__init__()
self.health = health
self.speed = speed
self.image = pygame.Surface([32,32])
self.image.fill(blue)
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
self.change_x = 0
self.change_y = 0
def changespeed(self, x, y):
self.change_x += x
self.change_y += y
def update(self):
self.rect.x += self.change_x
self.rect.y += self.change_y
class Enemy (pygame.sprite.Sprite):
def __init__(self,speed,health,points):
super().__init__()
self.image = pygame.Surface([32,32])
self.image.fill(red)
self.rect = self.image.get_rect()
self.speed = speed
self.health = health
self.points = points
def update(self):
dirvect = pygame.math.Vector2(player.rect.x - self.rect.x,
player.rect.y - self.rect.y)
dirvect.normalize()
dirvect.scale_to_length(self.speed)
self.rect.move_ip(dirvect)
class GameState():
def __init__(self):
self.state = 'intro'
def intro(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
pygame.quit()
sys.exit()
if event.type == pygame.MOUSEBUTTONDOWN:
self.state = 'level'
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
self.state = 'level'
screen.fill(white)
score_font = pygame.font.SysFont('Calibri', 25, True, False)
score_text = score_font.render('Click the Space Bar to Begin.',True,black)
screen.blit(score_text,(screen_width/2 - 180,screen_height/2 + 250))
pygame.display.flip()
def game_over(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
pygame.quit()
sys.exit()
if event.type == pygame.MOUSEBUTTONDOWN:
global enemy_list
global all_sprites_list
global player
global score
global max_num_of_enemies
global level
global score_needed
global score_needed_constant
global score_needed_add
global score_needed_add_constant
max_num_of_enemies = max_num_of_enemies_constant
enemy_list = pygame.sprite.Group()
all_sprites_list = pygame.sprite.Group()
player = Player(10,3,screen_width/2-3,screen_width/2,cinder_image)
all_sprites_list.add(player)
score_needed = score_needed_constant
score_needed_add = score_needed_add_constant
score = 0
self.state = 'intro'
screen.fill(black)
score_font = pygame.font.SysFont('Calibri', 25, True, False)
score_text = score_font.render("Click to continue.",True,white)
level_text = score_font.render("You got to Level: " + str(level),True,white)
screen.blit(score_text,(screen_width/2 + 200,screen_height/2 + 350))
screen.blit(level_text,(10,10))
pygame.display.flip()
#Below this line ends the level, removes all sprites from display lists, and returns the player to the center of the screen
def level_complete(self):
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
pygame.quit()
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_SPACE:
global enemy_list
global all_sprites_list
global player
global score
global max_num_of_enemies
global max_num_of_enemies_constant
global level
enemy_list = pygame.sprite.Group()
all_sprites_list = pygame.sprite.Group()
all_sprites_list.add(player)
player.change_x = 0
player.change_y = 0
player.rect.x = screen_width/2
player.rect.y = screen_width/2
player.update()
self.state = 'level'
screen.fill(blue)
score_font = pygame.font.SysFont('Calibri', 25, True, False)
continue_text = score_font.render("Release all keys, and Press the Spacebar to Continue.",True,white)
level_text = score_font.render("You Completed level " + str(level-1) + "",True,white)
screen.blit(continue_text,(50,screen_height - 30))
screen.blit(level_text,(screen_width/2-100,screen_height/2))
pygame.display.flip()
#Above this line ends the level, removes all sprites from display, and returns the player to the center of the screen
#Below this line is the main game loop.
def level(self):
global Enemy
global enemy_list
global score
global player
global all_sprites_list
global max_num_of_enemies
global level
global score_needed
global score_needed_add
pygame.mouse.set_visible(1)
#Below this line spawns enemy's, if there are less enemy's than the max number of enemies AND they are far enough from the player
if len(enemy_list.sprites()) < max_num_of_enemies:
x = random.randrange(-500,screen_width+500)
y = random.randrange(-500,screen_height+500)
spawn = True
for enemy in enemy_list:
ex, ey = enemy.rect.center
distance = math.hypot(ex - x, ey - y)
if distance < minimum_distance:
spawn = False
break
if spawn:
speed = 1.5
health = 1
points = 1
enemy = Enemy(speed,health,points)
enemy.rect.center = x, y
enemy_list.add(enemy)
all_sprites_list.add(enemy)
#Above this line spawns enemy's, if there are less enemy's than the max number of enemies AND they are far enough from the player
#Below this line determines when the level will end, increases the number of enemies allowed on the screen, and sends you to the level complete page
if level < 1:
level = 1
elif score >= score_needed:
level +=1
max_num_of_enemies += 3
score_needed += score_needed_add
score_needed_add += 5
player.health += 1
self.state = 'level_complete'
#Above this line determines when the level will end, increases the number of enemies allowed on the screen, and sends you to the level complete page
for event in pygame.event.get():
if event.type == pygame.QUIT:
done = True
pygame.quit()
sys.exit()
if player.health <= 0:
self.state = 'game_over'
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_a:
player.changespeed(-3, 0)
elif event.key == pygame.K_d:
player.changespeed(3, 0)
elif event.key == pygame.K_w:
player.changespeed(0, -3)
elif event.key == pygame.K_s:
player.changespeed(0, 3)
elif event.key == pygame.K_LEFT:
projectile = Elven_Arrow_left()
projectile.rect.x = player.rect.x + 3
projectile.rect.y = player.rect.y + 8
projectile_list.add(projectile)
all_sprites_list.add(projectile)
elif event.key == pygame.K_RIGHT:
projectile = Elven_Arrow_right()
projectile.rect.x = player.rect.x + 3
projectile.rect.y = player.rect.y + 8
projectile_list.add(projectile)
all_sprites_list.add(projectile)
elif event.key == pygame.K_UP:
projectile = Elven_Arrow_up()
projectile.rect.x = player.rect.x + 3
projectile.rect.y = player.rect.y + 8
projectile_list.add(projectile)
all_sprites_list.add(projectile)
elif event.key == pygame.K_DOWN:
projectile = Elven_Arrow_down()
projectile.rect.x = player.rect.x + 3
projectile.rect.y = player.rect.y + 8
projectile_list.add(projectile)
all_sprites_list.add(projectile)
elif event.type == pygame.KEYUP:
if event.key == pygame.K_a:
player.changespeed(3, 0)
elif event.key == pygame.K_d:
player.changespeed(-3, 0)
elif event.key == pygame.K_w:
player.changespeed(0, 3)
elif event.key == pygame.K_s:
player.changespeed(0, -3)
all_sprites_list.update()
if player.rect.y > screen_height + 10:
player.rect.y = -10
elif player.rect.y < -10:
player.rect.y = screen_height + 10
if player.rect.x > screen_width + 10:
player.rect.x = -10
elif player.rect.x < -10:
player.rect.x = screen_width + 10
#Below this line removes an enemy if they are shot by the player, and gives them a point
for projectile in projectile_list:
player_hit_list = pygame.sprite.spritecollide(projectile,enemy_list,True)
for enemy in player_hit_list:
projectile_list.remove(projectile)
all_sprites_list.remove(projectile)
score += 1
#Above this line removes an enemy if they are shot by the player, and gives them a point
if projectile.rect.y < -10:
projectile_list.remove(projectile)
all_sprites_list.remove(projectile)
elif projectile.rect.y > screen_height + 10:
projectile_list.remove(projectile)
all_sprites_list.remove(projectile)
elif projectile.rect.x < -10:
projectile_list.remove(projectile)
all_sprites_list.remove(projectile)
elif projectile.rect.x > screen_width + 10:
projectile_list.remove(projectile)
all_sprites_list.remove(projectile)
#Below this line removes an enemy if they make contact with the player.
for block in enemy_list:
enemy_hit_list = pygame.sprite.spritecollide(player, enemy_list, True)
for block in enemy_hit_list:
enemy_list.remove(block)
all_sprites_list.remove(block)
player.health -= block.points
#Above this line removes an enemy if they make contact with the player.
screen.fill(background1)
for i in texture_list1:
texture1 = pygame.draw.rect(screen,texture_1_1,[i[0],i[1],10,10])
for i in texture_list2:
texture1 = pygame.draw.rect(screen,texture_1_2,[i[0],i[1],10,10])
for i in texture_list3:
texture1 = pygame.draw.rect(screen,texture_1_3,[i[0],i[1],10,10])
all_sprites_list.draw(screen)
score_font = pygame.font.SysFont('Calibri', 25, True, False)
score_text = score_font.render("Score: " + str(score),True,blue_green)
noob_text = score_font.render("w,a,s,d to move, arrow keys to shoot. Good luck.",True,white)
level_text = score_font.render("Level: " + str(level),True,blue_green)
screen.blit(score_text,[10,10])
screen.blit(level_text,[screen_width - 150,10])
if score < 10:
screen.blit(noob_text,[100,10])
if player.health >= health_status[0]:
health_text = score_font.render("Health: " + str(player.health),True,blue_green)
elif player.health >= health_status[1]:
health_text = score_font.render("Health: " + str(player.health),True,green)
elif player.health >= health_status[2]:
health_text = score_font.render("Health: " + str(player.health),True,yellow)
elif player.health >= health_status[3]:
health_text = score_font.render("Health: " + str(player.health),True,orange)
elif player.health >= health_status[4]:
health_text = score_font.render("Health: " + str(player.health),True,red)
screen.blit(health_text, [10,40])
pygame.display.flip()
#Above this line is the main game loop
def state_manager(self):
if self.state == 'intro':
self.intro()
if self.state == 'game_over':
self.game_over()
if self.state == 'level':
self.level()
if self.state == 'level_complete':
self.level_complete()
pygame.init()
screen_width = 1000
screen_height = 800
screen = pygame.display.set_mode([screen_width, screen_height])
game_state = GameState()
enemy_list = pygame.sprite.Group()
projectile_list = pygame.sprite.Group()
item_list = pygame.sprite.Group()
texture_list1 = []
texture_list2 = []
texture_list3 = []
all_sprites_list = pygame.sprite.Group()
player = Player(10,3,screen_width/2 - 3,screen_height/2)
all_sprites_list.add(player)
for i in range(50):
x=random.randrange(screen_width)
y=random.randrange(screen_width)
texture_list1.append([x,y])
for i in range(50):
x=random.randrange(screen_width)
y=random.randrange(screen_width)
texture_list2.append([x,y])
for i in range(50):
x=random.randrange(screen_width)
y=random.randrange(screen_width)
texture_list3.append([x,y])
#Below this line sets the starting points, and constants through the game.
score = 0
health_status = (8,6,4,2,-100)
level = 1
minimum_distance = 500
score_needed_constant = 15
score_needed = score_needed_constant
score_needed_add_constant = 15
score_needed_add = score_needed_add_constant
max_num_of_enemies_constant = 8
max_num_of_enemies = max_num_of_enemies_constant
#Above this line sets the starting points, and constants through the game.
#Below this line starts, and ends the game loop
done = False
clock = pygame.time.Clock()
while not done:
game_state.state_manager()
#Above this line starts, and ends the game loop
clock.tick(60)
解决方案
推荐阅读
- javascript - glfw 的基本设置会导致与 emscripten 生成的 js 文件中的 eventlistener 相关的运行时错误
- activemq - 我的 ActiveMQ 生产者是否使用 FailoverTransport？
- python - 如何避免python中依赖类的循环导入？
- python - 在 pyspark 中为特定 IP 设置 sparksession 的主 URL
- r - 创建相似矩阵
- sql-server - 使用实体框架进行动态数据屏蔽
- android - Android Stroke Shape Drawable Left for TextView
- ssl - 是否可以在 TLSv1.2 会话中使用 TLSv1.3 密码？
- ruby-on-rails-5 - 无法在 Rails 5 中插入 MySQL 查询（Lynda 课程）
- python - 从熊猫框架绘图