导语
"你是否想过用Python开发一款可玩性高的双人合作游戏？本文将分享如何从零开始实现一款类《吸血鬼幸存者》的生存射击游戏！包含完整源码解析、角色系统设计、敌人AI逻辑等核心技术点，文末提供完整代码包下载！"
哈哈，怪物可以换成同学 的qq头像
游戏内容如下：
一、游戏展示 & 核心功能
-
游戏截图/GIF动图
（建议添加游戏实际运行画面，展示双人操作、敌人生成、技能特效等）
-
核心玩法特性
- 双人本地合作模式（WASD vs 方向键控制）
- 两种可选角色：四方向攻击 vs 对角线攻击
- 动态敌人系统：普通敌人 + 精英Boss
- 角色成长体系：经验值升级/属性强化
- 时间限制生存模式（5分钟倒计时）
二、技术实现亮点
-
技术栈
- 语言：Python 3.x
- 核心库：PyGame
- 开发周期：约10小时
-
关键技术点
- 精灵(Sprite)系统：玩家/敌人/子弹的统一管理 - 基于三角函数的子弹轨迹计算（8方向射击） - 敌人AI：自动追踪玩家 + 精英怪弹幕攻击 - 动态难度系统：敌人生成速度随玩家等级提升 - 经验球漂浮动画（正弦函数实现） - 多菜单系统：主菜单/角色选择/游戏内HUD
三、代码结构解析
python
# 代码模块示意图
├── Assets/ # 资源文件夹
│ ├── image/ # 游戏素材（角色/敌人/背景图）
├── main.py # 主程序入口
│ ├── 核心类：
│ │ - Player # 玩家角色（移动/攻击/成长）
│ │ - Enemy # 基础敌人AI
│ │ - EliteEnemy # 精英Boss（弹幕攻击）
│ │ - Bullet # 子弹物理系统
│ │ - Button # 交互式GUI按钮
│ ├── 游戏流程：
│ │ - main_menu() # 主菜单
│ │ - role_selection() # 角色选择
│ │ - game_loop() # 核心游戏循环四、关键代码解读
-
角色控制系统
python
class Player(pygame.sprite.Sprite): def get_attack_directions(self): # 角色1：四方向射击 | 角色2：对角线射击 return ["up", "down", "left", "right"] if self.role_type == 1 else ["up_left", "up_right", ...] -
精英敌人弹幕算法
python
class EliteEnemy(Enemy): def shoot(self, target): # 45度间隔的8方向弹幕 for angle in range(0, 360, 45): rad = math.radians(angle) bullet = EliteBullet(..., math.cos(rad)*speed, math.sin(rad)*speed) -
动态难度机制
python
# 敌人生成速度随玩家等级提升 enemy_spawn_interval = 60 - (sum(p.level for p in players) * 2)
五、如何运行游戏
-
环境准备
bash
pip install pygame -
文件结构要求
project/ ├── main.py └── image/ ├── role1.png # 角色1素材 ├── enemy.png # 敌人素材 └── ... -
启动命令
bash
python main.py
六、开发心得 & 优化方向
-
踩坑经验
- PyGame精灵组的碰撞检测优化
- 双人模式下的事件冲突处理
- 游戏节奏平衡性调试
-
待优化项
- 添加音效系统
- 实现网络联机功能
- 增加更多角色/技能树
- 开发关卡编辑器
七、完整代码获取
"关注+私信回复【生存游戏】获取完整代码包和素材资源！"
骗你的，代码就在这，复制就能用！
python
# -*- coding: utf-8 -*-
import os
import pygame
import random
import math
# 初始化配置
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
IMAGE_DIR = os.path.join(BASE_DIR, 'image')
RESOURCES = {
'role1': os.path.join(IMAGE_DIR, 'role1.png'),
'role2': os.path.join(IMAGE_DIR, 'role2.png'),
'enemy': os.path.join(IMAGE_DIR, 'enemy.png'),
'elite': os.path.join(IMAGE_DIR, 'elite.png'),
'bullet': os.path.join(IMAGE_DIR, 'bullet.png'),
'exp_orb': os.path.join(IMAGE_DIR, 'exp_orb.png'),
'background': os.path.join(IMAGE_DIR, 'background.png')
}
pygame.init()
WIDTH, HEIGHT = 800, 600
screen = pygame.display.set_mode((WIDTH, HEIGHT))
clock = pygame.time.Clock()
# 颜色定义
WHITE = (255, 255, 255)
GRAY = (100, 100, 100)
BUTTON_COLOR = (50, 150, 50)
HOVER_COLOR = (70, 170, 70)
RED = (255, 0, 0)
YELLOW = (255, 255, 0)
ELITE_BULLET_COLOR = (255, 165, 0)
font = pygame.font.Font(None, 24)
def load_image(path, default_size=(30, 30)):
try:
image = pygame.image.load(path).convert_alpha()
return pygame.transform.scale(image, default_size)
except:
surf = pygame.Surface(default_size)
surf.fill(RED)
return surf
GAME_IMAGES = {
'role1': load_image(RESOURCES['role1']),
'role2': load_image(RESOURCES['role2']),
'enemy': load_image(RESOURCES['enemy'], (20, 20)),
'elite': load_image(RESOURCES['elite'], (40, 40)),
'bullet': load_image(RESOURCES['bullet'], (10, 10)),
'exp_orb': load_image(RESOURCES['exp_orb'], (10, 10)),
'background': load_image(RESOURCES['background'], (WIDTH, HEIGHT))
}
class Button:
def __init__(self, text, x, y, w, h):
self.rect = pygame.Rect(x, y, w, h)
self.text = text
self.color = BUTTON_COLOR
self.hover = False
def draw(self, surface):
color = HOVER_COLOR if self.hover else BUTTON_COLOR
pygame.draw.rect(surface, color, self.rect, border_radius=5)
text_surf = font.render(self.text, True, WHITE)
text_rect = text_surf.get_rect(center=self.rect.center)
surface.blit(text_surf, text_rect)
def check_hover(self, mouse_pos):
self.hover = self.rect.collidepoint(mouse_pos)
class Player(pygame.sprite.Sprite):
def __init__(self, controls, role_type, pos_offset=0, is_player2=False):
super().__init__()
self.role_type = role_type
self.image = GAME_IMAGES['role2' if role_type == 2 else 'role1']
self.rect = self.image.get_rect(center=(WIDTH // 2 + pos_offset, HEIGHT // 2))
self.speed = 5
self.health = 100
self.exp = 0
self.level = 1
self.max_exp = 100
self.kills = 0
self.controls = controls
def update(self, keys):
if keys[self.controls['up']]: self.rect.y -= self.speed
if keys[self.controls['down']]: self.rect.y += self.speed
if keys[self.controls['left']]: self.rect.x -= self.speed
if keys[self.controls['right']]: self.rect.x += self.speed
self.rect.clamp_ip(screen.get_rect())
def get_attack_directions(self):
return ["up", "down", "left", "right"] if self.role_type == 1 else ["up_left", "up_right", "down_left",
"down_right"]
class Bullet(pygame.sprite.Sprite):
def __init__(self, x, y, direction):
super().__init__()
self.image = GAME_IMAGES['bullet']
self.rect = self.image.get_rect(center=(x, y))
self.speed = 8
self.start_pos = (x, y)
self.max_distance = 300
self.penetration = 2
dir_mapping = {
"up": (0, -1), "down": (0, 1),
"left": (-1, 0), "right": (1, 0),
"up_left": (-math.sqrt(0.5), -math.sqrt(0.5)),
"up_right": (math.sqrt(0.5), -math.sqrt(0.5)),
"down_left": (-math.sqrt(0.5), math.sqrt(0.5)),
"down_right": (math.sqrt(0.5), math.sqrt(0.5))
}
dx_mult, dy_mult = dir_mapping[direction]
self.dx = dx_mult * self.speed
self.dy = dy_mult * self.speed
def update(self):
self.rect.x += self.dx
self.rect.y += self.dy
if math.hypot(self.rect.x - self.start_pos[0], self.rect.y - self.start_pos[1]) > self.max_distance:
self.kill()
class Enemy(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = GAME_IMAGES['enemy']
self.rect = self.image.get_rect(
center=(random.choice([-100, WIDTH + 100]), random.randint(0, HEIGHT))
)
self.speed = 2
def update(self, targets):
if not targets: return
nearest = min(targets, key=lambda t: math.hypot(t.rect.x - self.rect.x, t.rect.y - self.rect.y))
dx = nearest.rect.x - self.rect.x
dy = nearest.rect.y - self.rect.y
dist = math.hypot(dx, dy)
if dist != 0:
self.rect.x += dx / dist * self.speed
self.rect.y += dy / dist * self.speed
class EliteEnemy(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = GAME_IMAGES['elite']
self.rect = self.image.get_rect(
center=(random.choice([-100, WIDTH + 100]), random.randint(0, HEIGHT))
)
self.speed = 1.5
self.health = 50
self.max_health = 50
self.shoot_timer = 0
self.bullet_speed = 5
def update(self, targets):
if not targets: return
nearest = min(targets, key=lambda t: math.hypot(t.rect.x - self.rect.x, t.rect.y - self.rect.y))
dx = nearest.rect.x - self.rect.x
dy = nearest.rect.y - self.rect.y
dist = math.hypot(dx, dy)
if dist != 0:
self.rect.x += dx / dist * self.speed
self.rect.y += dy / dist * self.speed
self.shoot_timer += 1
if self.shoot_timer >= 60:
self.shoot(nearest)
self.shoot_timer = 0
def shoot(self, target):
for angle in range(0, 360, 45):
rad = math.radians(angle)
bullet = EliteBullet(
self.rect.centerx,
self.rect.centery,
math.cos(rad) * self.bullet_speed,
math.sin(rad) * self.bullet_speed
)
bullets.add(bullet)
all_sprites.add(bullet)
class EliteBullet(pygame.sprite.Sprite):
def __init__(self, x, y, dx, dy):
super().__init__()
self.image = pygame.Surface((15, 15))
self.image.fill(ELITE_BULLET_COLOR)
self.rect = self.image.get_rect(center=(x, y))
self.dx = dx
self.dy = dy
self.max_distance = 400
self.start_pos = (x, y)
def update(self):
self.rect.x += self.dx
self.rect.y += self.dy
if math.hypot(self.rect.x - self.start_pos[0], self.rect.y - self.start_pos[1]) > self.max_distance:
self.kill()
class ExpOrb(pygame.sprite.Sprite):
def __init__(self, x, y):
super().__init__()
self.image = GAME_IMAGES['exp_orb']
self.rect = self.image.get_rect(center=(x, y))
self.float_timer = 0
def update(self):
self.float_timer += 1
self.rect.y += math.sin(self.float_timer * 0.1) * 0.5
def draw_hud(surface, players, time_left):
time_text = font.render(f"Time: {time_left // 60:02}:{time_left % 60:02}", True, WHITE)
surface.blit(time_text, (WIDTH // 2 - 60, 10))
for i, player in enumerate(players):
y_offset = 40 + i * 80
pygame.draw.rect(surface, GRAY, (10, y_offset, 100, 10))
health_width = int((player.health / 100.0) * 100)
pygame.draw.rect(surface, RED, (10, y_offset, health_width, 10))
pygame.draw.rect(surface, GRAY, (10, y_offset + 20, 100, 10))
exp_width = int((player.exp / float(player.max_exp)) * 100)
pygame.draw.rect(surface, YELLOW, (10, y_offset + 20, exp_width, 10))
info_text = font.render(f"P{i + 1} Lv{player.level} K{player.kills}", True, WHITE)
surface.blit(info_text, (10, y_offset + 40))
def role_selection_menu(player_count):
roles = []
buttons = []
descriptions = [
"Role 1: 4-Direction Attack",
"Role 2: Diagonal Attack"
]
for i in range(player_count):
y_base = 150 + i * 150
buttons.append([
Button(f"Player{i + 1} Role1", WIDTH // 2 - 250, y_base, 200, 50),
Button(f"Player{i + 1} Role2", WIDTH // 2 + 50, y_base, 200, 50)
])
confirm_btn = Button("Start Game", WIDTH // 2 - 100, HEIGHT - 100, 200, 50)
while True:
screen.fill((30, 30, 30))
mouse_pos = pygame.mouse.get_pos()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
return []
if event.type == pygame.MOUSEBUTTONDOWN:
for i, pair in enumerate(buttons):
for j, btn in enumerate(pair):
if btn.rect.collidepoint(mouse_pos):
roles = roles[:i] + [j + 1] + roles[i + 1:] if len(roles) > i else roles + [j + 1]
if confirm_btn.rect.collidepoint(mouse_pos) and len(roles) == player_count:
return roles
desc_y = 100
for desc in descriptions:
text = font.render(desc, True, WHITE)
screen.blit(text, (WIDTH // 2 - text.get_width() // 2, desc_y))
desc_y += 30
for i, pair in enumerate(buttons):
for j, btn in enumerate(pair):
btn.check_hover(mouse_pos)
btn.draw(screen)
if i < len(roles) and roles[i] == j + 1:
pygame.draw.rect(screen, YELLOW, btn.rect.inflate(10, 10), 3, border_radius=7)
confirm_btn.check_hover(mouse_pos)
confirm_btn.draw(screen)
pygame.display.flip()
clock.tick(30)
def main_menu():
buttons = [
Button("1 Player", WIDTH // 2 - 100, HEIGHT // 2 - 50, 200, 50),
Button("2 Players", WIDTH // 2 - 100, HEIGHT // 2 + 20, 200, 50)
]
while True:
screen.fill((30, 30, 30))
mouse_pos = pygame.mouse.get_pos()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
return (0, [])
if event.type == pygame.MOUSEBUTTONDOWN:
for i, btn in enumerate(buttons):
if btn.rect.collidepoint(mouse_pos):
roles = role_selection_menu(i + 1)
if roles:
return (i + 1, roles)
title = font.render("Vampire Survivors", True, WHITE)
screen.blit(title, (WIDTH // 2 - title.get_width() // 2, 100))
for btn in buttons:
btn.check_hover(mouse_pos)
btn.draw(screen)
pygame.display.flip()
clock.tick(30)
def game_loop(player_count, roles):
background = GAME_IMAGES['background']
controls = [
{'up': pygame.K_w, 'down': pygame.K_s, 'left': pygame.K_a, 'right': pygame.K_d},
{'up': pygame.K_UP, 'down': pygame.K_DOWN, 'left': pygame.K_LEFT, 'right': pygame.K_RIGHT}
]
players = pygame.sprite.Group()
for i in range(player_count):
player = Player(
controls=controls[i],
role_type=roles[i],
pos_offset=-50 + i * 100,
is_player2=(i == 1)
)
players.add(player)
all_sprites = pygame.sprite.Group(players)
enemies = pygame.sprite.Group()
bullets = pygame.sprite.Group()
exp_orbs = pygame.sprite.Group()
enemy_spawn_timer = 0
attack_timer = 0
start_ticks = pygame.time.get_ticks()
time_limit = 300
running = True
while running:
screen.blit(background, (0, 0))
keys = pygame.key.get_pressed()
elapsed_seconds = (pygame.time.get_ticks() - start_ticks) // 1000
time_left = max(time_limit - elapsed_seconds, 0)
if time_left <= 0:
running = False
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
enemy_spawn_timer += 1
if enemy_spawn_timer >= 60 - (sum(p.level for p in players) * 2):
if random.random() < 0.1:
enemy = EliteEnemy()
else:
enemy = Enemy()
enemies.add(enemy)
all_sprites.add(enemy)
enemy_spawn_timer = 0
attack_timer += 1
if attack_timer >= 30:
for player in players:
for direction in player.get_attack_directions():
bullet = Bullet(player.rect.centerx, player.rect.centery, direction)
bullets.add(bullet)
all_sprites.add(bullet)
attack_timer = 0
for player in players:
player.update(keys)
enemies.update(players)
bullets.update()
exp_orbs.update()
for bullet in bullets:
hits = pygame.sprite.spritecollide(bullet, enemies, False)
if hits:
bullet.penetration -= 1
for enemy in hits:
if isinstance(enemy, EliteEnemy):
enemy.health -= 2
if enemy.health <= 0:
enemy.kill()
for _ in range(5):
exp_orb = ExpOrb(enemy.rect.centerx, enemy.rect.centery)
exp_orbs.add(exp_orb)
all_sprites.add(exp_orb)
else:
enemy.kill()
exp_orb = ExpOrb(enemy.rect.centerx, enemy.rect.centery)
exp_orbs.add(exp_orb)
all_sprites.add(exp_orb)
for player in players:
if math.hypot(player.rect.x - enemy.rect.x, player.rect.y - enemy.rect.y) < 100:
player.kills += 1
if bullet.penetration <= 0:
bullet.kill()
for player in players:
hits = pygame.sprite.spritecollide(player, exp_orbs, True)
if hits:
player.exp += 10 * len(hits)
if player.exp >= player.max_exp:
player.level += 1
player.exp -= player.max_exp
player.max_exp = int(player.max_exp * 1.5)
player.speed += 0.5
if pygame.sprite.spritecollide(player, enemies, True):
player.health -= 10
bullet_hits = pygame.sprite.spritecollide(player, bullets, True)
if bullet_hits:
player.health -= 5
alive_players = [p for p in players if p.health > 0]
if not alive_players or time_left <= 0:
running = False
all_sprites.draw(screen)
draw_hud(screen, players, time_left)
pygame.display.flip()
clock.tick(30)
pygame.quit()
if __name__ == "__main__":
player_count, roles = main_menu()
if player_count > 0:
game_loop(player_count, roles)下面是python2的代码。方便不同环境的兄弟们运行：
python
# -*- coding: utf-8 -*-
import os
import pygame
import random
import math
from datetime import datetime
# 初始化路径
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
IMAGE_DIR = os.path.join(BASE_DIR, 'image')
RESOURCES = {
'role1': os.path.join(IMAGE_DIR, 'role1.png'),
'role2': os.path.join(IMAGE_DIR, 'role2.png'),
'enemy': os.path.join(IMAGE_DIR, 'enemy.png'),
'bullet': os.path.join(IMAGE_DIR, 'bullet.png'),
'exp_orb': os.path.join(IMAGE_DIR, 'exp_orb.png'),
'background': os.path.join(IMAGE_DIR, 'background.png')
}
pygame.init()
WIDTH, HEIGHT = 800, 600
screen = pygame.display.set_mode((WIDTH, HEIGHT))
clock = pygame.time.Clock()
# 颜色定义
WHITE = (255, 255, 255)
GRAY = (100, 100, 100)
BUTTON_COLOR = (50, 150, 50)
HOVER_COLOR = (70, 170, 70)
RED = (255, 0, 0)
YELLOW = (255, 255, 0)
font = pygame.font.Font(None, 24)
def load_image(path, default_size=(30, 30)):
try:
image = pygame.image.load(path).convert_alpha()
return pygame.transform.scale(image, default_size)
except:
surf = pygame.Surface(default_size)
surf.fill(RED)
return surf
GAME_IMAGES = {
'role1': load_image(RESOURCES['role1']),
'role2': load_image(RESOURCES['role2']),
'enemy': load_image(RESOURCES['enemy'], (20, 20)),
'bullet': load_image(RESOURCES['bullet'], (10, 10)),
'exp_orb': load_image(RESOURCES['exp_orb'], (10, 10)),
'background': load_image(RESOURCES['background'], (WIDTH, HEIGHT))
}
class Button:
def __init__(self, text, x, y, w, h):
self.rect = pygame.Rect(x, y, w, h)
self.text = text
self.color = BUTTON_COLOR
self.hover = False
def draw(self, surface):
color = HOVER_COLOR if self.hover else BUTTON_COLOR
pygame.draw.rect(surface, color, self.rect, border_radius=5)
text_surf = font.render(self.text, True, WHITE)
text_rect = text_surf.get_rect(center=self.rect.center)
surface.blit(text_surf, text_rect)
def check_hover(self, mouse_pos):
self.hover = self.rect.collidepoint(mouse_pos)
class Player(pygame.sprite.Sprite):
def __init__(self, controls, role_type, pos_offset=0, is_player2=False):
pygame.sprite.Sprite.__init__(self)
self.role_type = role_type
self.image = GAME_IMAGES['role2' if role_type == 2 else 'role1']
self.rect = self.image.get_rect(center=(WIDTH//2 + pos_offset, HEIGHT//2))
self.speed = 5
self.health = 100
self.exp = 0
self.level = 1
self.max_exp = 100
self.kills = 0
self.controls = controls
def update(self, keys):
if keys[self.controls['up']]:
self.rect.y -= self.speed
if keys[self.controls['down']]:
self.rect.y += self.speed
if keys[self.controls['left']]:
self.rect.x -= self.speed
if keys[self.controls['right']]:
self.rect.x += self.speed
self.rect.clamp_ip(screen.get_rect())
def get_attack_directions(self):
if self.role_type == 1:
return ["up", "down", "left", "right"]
else:
return ["up_left", "up_right", "down_left", "down_right"]
class Bullet(pygame.sprite.Sprite):
def __init__(self, x, y, direction):
pygame.sprite.Sprite.__init__(self)
self.image = GAME_IMAGES['bullet']
self.rect = self.image.get_rect(center=(x, y))
self.speed = 8
self.start_pos = (x, y)
self.max_distance = 300
self.penetration = 2
self.dx, self.dy = 0, 0
dir_mapping = {
"up": (0, -1),
"down": (0, 1),
"left": (-1, 0),
"right": (1, 0),
"up_left": (-math.sqrt(0.5), -math.sqrt(0.5)),
"up_right": (math.sqrt(0.5), -math.sqrt(0.5)),
"down_left": (-math.sqrt(0.5), math.sqrt(0.5)),
"down_right": (math.sqrt(0.5), math.sqrt(0.5))
}
dx_mult, dy_mult = dir_mapping[direction]
self.dx = dx_mult * self.speed
self.dy = dy_mult * self.speed
def update(self):
self.rect.x += self.dx
self.rect.y += self.dy
if math.hypot(self.rect.x - self.start_pos[0], self.rect.y - self.start_pos[1]) > self.max_distance:
self.kill()
class Enemy(pygame.sprite.Sprite):
def __init__(self):
pygame.sprite.Sprite.__init__(self)
self.image = GAME_IMAGES['enemy']
self.rect = self.image.get_rect(
center=(random.choice([-100, WIDTH+100]), random.randint(0, HEIGHT))
)
self.speed = 2
def update(self, targets):
if not targets: return
nearest = min(targets, key=lambda t: math.hypot(t.rect.x-self.rect.x, t.rect.y-self.rect.y))
dx = nearest.rect.x - self.rect.x
dy = nearest.rect.y - self.rect.y
dist = math.hypot(dx, dy)
if dist != 0:
self.rect.x += dx / dist * self.speed
self.rect.y += dy / dist * self.speed
class ExpOrb(pygame.sprite.Sprite):
def __init__(self, x, y):
pygame.sprite.Sprite.__init__(self)
self.image = GAME_IMAGES['exp_orb']
self.rect = self.image.get_rect(center=(x, y))
self.float_timer = 0
def update(self):
self.float_timer += 1
self.rect.y += math.sin(self.float_timer * 0.1) * 0.5
def draw_hud(surface, players, time_left):
time_text = font.render("Time: {:02}:{:02}".format(time_left//60, time_left%60), True, WHITE)
surface.blit(time_text, (WIDTH//2 - 60, 10))
for i, player in enumerate(players):
y_offset = 40 + i*80
pygame.draw.rect(surface, GRAY, (10, y_offset, 100, 10))
health_width = int((player.health / 100.0) * 100)
pygame.draw.rect(surface, RED, (10, y_offset, health_width, 10))
pygame.draw.rect(surface, GRAY, (10, y_offset+20, 100, 10))
exp_width = int((player.exp / float(player.max_exp)) * 100)
pygame.draw.rect(surface, YELLOW, (10, y_offset+20, exp_width, 10))
info_text = font.render("P{} Lv{} K{}".format(i+1, player.level, player.kills), True, WHITE)
surface.blit(info_text, (10, y_offset+40))
def role_selection_menu(player_count):
roles = []
buttons = []
descriptions = [
"Role 1: 4-Direction Attack",
"Role 2: Diagonal Attack"
]
for i in range(player_count):
y_base = 150 + i*150
buttons.append([
Button("Player{} Role1".format(i+1), WIDTH//2-250, y_base, 200, 50),
Button("Player{} Role2".format(i+1), WIDTH//2+50, y_base, 200, 50)
])
confirm_btn = Button("Start Game", WIDTH//2-100, HEIGHT-100, 200, 50)
while True:
screen.fill((30, 30, 30))
mouse_pos = pygame.mouse.get_pos()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
return []
if event.type == pygame.MOUSEBUTTONDOWN:
for i, pair in enumerate(buttons):
for j, btn in enumerate(pair):
if btn.rect.collidepoint(mouse_pos):
if len(roles) <= i:
roles.append(j+1)
else:
roles[i] = j+1
if confirm_btn.rect.collidepoint(mouse_pos) and len(roles) == player_count:
return roles
desc_y = 100
for desc in descriptions:
text = font.render(desc, True, WHITE)
screen.blit(text, (WIDTH//2 - text.get_width()//2, desc_y))
desc_y += 30
for i, pair in enumerate(buttons):
for j, btn in enumerate(pair):
btn.check_hover(mouse_pos)
btn.draw(screen)
if i < len(roles) and roles[i] == j+1:
pygame.draw.rect(screen, YELLOW, btn.rect.inflate(10,10), 3, border_radius=7)
confirm_btn.check_hover(mouse_pos)
confirm_btn.draw(screen)
pygame.display.flip()
clock.tick(30)
def main_menu():
buttons = [
Button("1 Player", WIDTH//2-100, HEIGHT//2-50, 200, 50),
Button("2 Players", WIDTH//2-100, HEIGHT//2+20, 200, 50)
]
while True:
screen.fill((30, 30, 30))
mouse_pos = pygame.mouse.get_pos()
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
return (0, [])
if event.type == pygame.MOUSEBUTTONDOWN:
for i, btn in enumerate(buttons):
if btn.rect.collidepoint(mouse_pos):
selected = i+1
roles = role_selection_menu(selected)
if roles:
return (selected, roles)
title = font.render("Vampire Survivors", True, WHITE)
screen.blit(title, (WIDTH//2 - title.get_width()//2, 100))
for btn in buttons:
btn.check_hover(mouse_pos)
btn.draw(screen)
pygame.display.flip()
clock.tick(30)
def game_loop(player_count, roles):
background = GAME_IMAGES['background']
controls = [
{'up': pygame.K_w, 'down': pygame.K_s, 'left': pygame.K_a, 'right': pygame.K_d},
{'up': pygame.K_UP, 'down': pygame.K_DOWN, 'left': pygame.K_LEFT, 'right': pygame.K_RIGHT}
]
players = pygame.sprite.Group()
for i in range(player_count):
player = Player(
controls=controls[i],
role_type=roles[i],
pos_offset=-50 + i*100,
is_player2=(i==1)
)
players.add(player)
all_sprites = pygame.sprite.Group(players)
enemies = pygame.sprite.Group()
bullets = pygame.sprite.Group()
exp_orbs = pygame.sprite.Group()
enemy_spawn_timer = 0
attack_timer = 0
start_ticks = pygame.time.get_ticks()
time_limit = 300
running = True
while running:
screen.blit(background, (0, 0))
keys = pygame.key.get_pressed()
elapsed_seconds = (pygame.time.get_ticks() - start_ticks) // 1000
time_left = max(time_limit - elapsed_seconds, 0)
if time_left <= 0:
running = False
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
enemy_spawn_timer += 1
if enemy_spawn_timer >= 60 - (sum(p.level for p in players)*2):
enemy = Enemy()
enemies.add(enemy)
all_sprites.add(enemy)
enemy_spawn_timer = 0
attack_timer += 1
if attack_timer >= 30:
for player in players:
directions = player.get_attack_directions()
for direction in directions:
bullet = Bullet(player.rect.centerx, player.rect.centery, direction)
bullets.add(bullet)
all_sprites.add(bullet)
attack_timer = 0
for player in players:
player.update(keys)
enemies.update(players)
bullets.update()
exp_orbs.update()
for bullet in bullets:
hits = pygame.sprite.spritecollide(bullet, enemies, False)
if hits:
bullet.penetration -= 1
for enemy in hits:
enemy.kill()
exp_orb = ExpOrb(enemy.rect.centerx, enemy.rect.centery)
exp_orbs.add(exp_orb)
all_sprites.add(exp_orb)
for player in players:
if math.hypot(player.rect.x-enemy.rect.x, player.rect.y-enemy.rect.y) < 100:
player.kills += 1
if bullet.penetration <= 0:
bullet.kill()
for player in players:
hits = pygame.sprite.spritecollide(player, exp_orbs, True)
if hits:
player.exp += 10 * len(hits)
if player.exp >= player.max_exp:
player.level += 1
player.exp -= player.max_exp
player.max_exp = int(player.max_exp * 1.5)
player.speed += 0.5
alive_players = [p for p in players if p.health > 0]
for player in alive_players:
if pygame.sprite.spritecollide(player, enemies, True):
player.health -= 10
if len(alive_players) == 0 or time_left <= 0:
running = False
all_sprites.draw(screen)
draw_hud(screen, players, time_left)
pygame.display.flip()
clock.tick(30)
pygame.quit()
if __name__ == "__main__":
player_count, roles = main_menu()
if player_count > 0:
game_loop(player_count, roles) 互动引导
-
投票：
"如果让你添加新功能，你会选择？
A) 联机对战 B) 技能组合 C) BOSS战 D) 自定义角色"
-
讨论：
"你在用Python开发游戏时遇到过哪些难题？欢迎评论区交流！"
版权声明
"本项目为开源学习作品，遵循MIT协议，欢迎二次开发但需保留原作者信息"