212 lines
6.4 KiB
Python
212 lines
6.4 KiB
Python
import pygame
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import random
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import sys
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# 初始化pygame
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pygame.init()
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# 游戏常量
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SCREEN_WIDTH = 800
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SCREEN_HEIGHT = 600
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FPS = 60
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PLAYER_SPEED = 5
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OBSTACLE_SPEED = 3
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GRAVITY = 0.5
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# 颜色定义
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WHITE = (255, 255, 255)
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BLUE = (135, 206, 235)
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BROWN = (139, 69, 19)
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GREEN = (34, 139, 34)
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RED = (255, 0, 0)
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BLACK = (0, 0, 0)
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class Player:
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def __init__(self, x, y):
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self.x = x
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self.y = y
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self.width = 30
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self.height = 40
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self.velocity_y = 0
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self.on_ground = False
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def update(self):
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# 应用重力
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if not self.on_ground:
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self.velocity_y += GRAVITY
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self.y += self.velocity_y
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# 限制在屏幕内
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if self.y > SCREEN_HEIGHT - self.height - 50:
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self.y = SCREEN_HEIGHT - self.height - 50
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self.velocity_y = 0
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self.on_ground = True
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elif self.y < 0:
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self.y = 0
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self.velocity_y = 0
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def jump(self):
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if self.on_ground:
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self.velocity_y = -12
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self.on_ground = False
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def move_left(self):
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self.x -= PLAYER_SPEED
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if self.x < 0:
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self.x = 0
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def move_right(self):
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self.x += PLAYER_SPEED
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if self.x > SCREEN_WIDTH - self.width:
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self.x = SCREEN_WIDTH - self.width
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def draw(self, screen):
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# 绘制滑雪者（简单矩形表示）
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pygame.draw.rect(screen, RED, (self.x, self.y, self.width, self.height))
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# 绘制滑雪板
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pygame.draw.rect(screen, BLACK, (self.x - 5, self.y + self.height, self.width + 10, 5))
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class Obstacle:
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def __init__(self, x, y, width, height, type):
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self.x = x
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self.y = y
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self.width = width
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self.height = height
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self.type = type # 'tree' or 'rock'
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def update(self):
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self.y -= OBSTACLE_SPEED # 障碍物向上移动（相对运动）
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def is_off_screen(self):
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return self.y + self.height < 0
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def draw(self, screen):
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if self.type == 'tree':
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# 绘制树
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pygame.draw.rect(screen, GREEN, (self.x, self.y, self.width, self.height))
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elif self.type == 'rock':
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# 绘制石头
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pygame.draw.rect(screen, BROWN, (self.x, self.y, self.width, self.height))
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class Game:
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def __init__(self):
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self.screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
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pygame.display.set_caption("滑雪大冒险")
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self.clock = pygame.time.Clock()
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self.font = pygame.font.Font(None, 36)
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self.player = Player(SCREEN_WIDTH // 2, SCREEN_HEIGHT - 90)
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self.obstacles = []
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self.score = 0
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self.game_over = False
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self.obstacle_timer = 0
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self.obstacle_interval = 60 # 每60帧生成一个障碍物
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def spawn_obstacle(self):
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# 随机生成障碍物
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obstacle_type = random.choice(['tree', 'rock'])
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width = random.randint(20, 40)
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height = random.randint(30, 60)
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x = random.randint(0, SCREEN_WIDTH - width)
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y = SCREEN_HEIGHT
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obstacle = Obstacle(x, y, width, height, obstacle_type)
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self.obstacles.append(obstacle)
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def check_collisions(self):
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player_rect = pygame.Rect(self.player.x, self.player.y,
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self.player.width, self.player.height)
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for obstacle in self.obstacles:
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obstacle_rect = pygame.Rect(obstacle.x, obstacle.y,
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obstacle.width, obstacle.height)
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if player_rect.colliderect(obstacle_rect):
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self.game_over = True
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def update(self):
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if not self.game_over:
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# 更新玩家
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self.player.update()
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# 生成障碍物
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self.obstacle_timer += 1
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if self.obstacle_timer >= self.obstacle_interval:
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self.spawn_obstacle()
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self.obstacle_timer = 0
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# 更新障碍物
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for obstacle in self.obstacles[:]:
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obstacle.update()
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if obstacle.is_off_screen():
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self.obstacles.remove(obstacle)
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self.score += 10 # 成功避开障碍物得分
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# 检查碰撞
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self.check_collisions()
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# 增加游戏难度
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if self.score > 0 and self.score % 100 == 0:
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global OBSTACLE_SPEED
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OBSTACLE_SPEED += 0.5
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def draw(self):
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# 绘制天空背景
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self.screen.fill(BLUE)
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# 绘制雪地
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pygame.draw.rect(self.screen, WHITE, (0, SCREEN_HEIGHT - 50, SCREEN_WIDTH, 50))
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# 绘制玩家
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self.player.draw(self.screen)
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# 绘制障碍物
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for obstacle in self.obstacles:
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obstacle.draw(self.screen)
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# 绘制分数
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score_text = self.font.render(f"分数: {self.score}", True, BLACK)
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self.screen.blit(score_text, (10, 10))
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# 绘制游戏结束信息
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if self.game_over:
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game_over_text = self.font.render("游戏结束! 按R重新开始", True, RED)
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text_rect = game_over_text.get_rect(center=(SCREEN_WIDTH // 2, SCREEN_HEIGHT // 2))
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self.screen.blit(game_over_text, text_rect)
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def handle_events(self):
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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return False
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elif event.type == pygame.KEYDOWN:
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if event.key == pygame.K_r and self.game_over:
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# 重新开始游戏
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self.__init__()
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# 处理按键
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keys = pygame.key.get_pressed()
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if keys[pygame.K_LEFT]:
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self.player.move_left()
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if keys[pygame.K_RIGHT]:
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self.player.move_right()
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if keys[pygame.K_SPACE]:
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self.player.jump()
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return True
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def run(self):
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running = True
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while running:
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running = self.handle_events()
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self.update()
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self.draw()
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pygame.display.flip()
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self.clock.tick(FPS)
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pygame.quit()
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sys.exit()
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if __name__ == "__main__":
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game = Game()
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game.run()
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