import pygame import math import random # ================= 核心配置 ================= WIDTH, HEIGHT = 800, 600 FPS = 60 TITLE = "Pygame Dave the Diver" # 颜色 SKY_BLUE = (135, 206, 235) DEEP_BLUE = (0, 0, 50) PLAYER_COLOR = (255, 100, 0) FISH_COLOR = (0, 200, 255) # 玩家设置 PLAYER_SPEED = 5 MAX_OXYGEN = 100 OXYGEN_DECAY = 0.05 DEPTH_OXYGEN_MULT = 0.002 # 鱼与网设置 FISH_COUNT = 15 FISH_SPEED = 2 NET_SPEED = 10 NET_RADIUS = 40 # ================= 玩家与捕鱼系统 ================= class Player: def __init__(self, x, y): self.rect = pygame.Rect(x, y, 30, 40) self.oxygen = MAX_OXYGEN self.depth = 0 self.inventory = [] self.color = PLAYER_COLOR self.net_active = False self.net_pos = (0, 0) self.net_target = (0, 0) def update(self, keys, mouse_pos, camera_y): dx, dy = 0, 0 if keys[pygame.K_w]: dy -= PLAYER_SPEED if keys[pygame.K_s]: dy += PLAYER_SPEED if keys[pygame.K_a]: dx -= PLAYER_SPEED if keys[pygame.K_d]: dx += PLAYER_SPEED self.rect.x += dx self.rect.y += dy self.rect.clamp_ip(pygame.Rect(0, 0, WIDTH, HEIGHT)) real_y = -camera_y + self.rect.y self.depth = max(0, real_y // 10) move_penalty = 0.1 if (dx != 0 or dy != 0) else 0 depth_penalty = self.depth * DEPTH_OXYGEN_MULT self.oxygen -= (OXYGEN_DECAY + depth_penalty + move_penalty) self.oxygen = max(0, self.oxygen) if self.net_active: nx, ny = self.net_pos tx, ty = self.net_target dist = math.hypot(tx - nx, ty - ny) if dist < 10: self.net_active = False else: dx_net = (tx - nx) / dist * NET_SPEED dy_net = (ty - ny) / dist * NET_SPEED self.net_pos = (nx + dx_net, ny + dy_net) def throw_net(self, screen_mouse_pos, camera_y): if self.net_active: return world_x = screen_mouse_pos[0] world_y = screen_mouse_pos[1] - camera_y self.net_target = (world_x, world_y) self.net_pos = (self.rect.centerx, self.rect.centery - camera_y) self.net_active = True def draw(self, screen, camera_y): pygame.draw.rect(screen, self.color, self.rect) if self.net_active: nx, ny = self.net_pos screen_y = ny + camera_y pygame.draw.circle(screen, (255, 255, 255), (int(nx), int(screen_y)), NET_RADIUS, 2) pygame.draw.line(screen, (200, 200, 200), self.rect.center, (int(nx), int(screen_y)), 2) bar_width = 200 fill = (self.oxygen / MAX_OXYGEN) * bar_width pygame.draw.rect(screen, (50, 50, 50), (10, 10, bar_width, 20)) pygame.draw.rect(screen, (0, 200, 255), (10, 10, fill, 20)) font = pygame.font.Font(None, 30) text = font.render(f"Depth: {self.depth}m | O2: {int(self.oxygen)}% | Fish: {len(self.inventory)}", True, (255, 255, 255)) screen.blit(text, (10, 40)) # ================= 鱼群 AI ================= class Fish: def __init__(self, x, y): self.rect = pygame.Rect(x, y, 20, 15) self.vel_x = random.choice([-1, 1]) * FISH_SPEED self.vel_y = random.uniform(-0.5, 0.5) self.color = FISH_COLOR self.state = "patrol" self.flee_timer = 0 def update(self, player_rect, net_pos, net_active, camera_y): if net_active: dist_net = math.hypot(self.rect.centerx - net_pos[0], self.rect.centery - net_pos[1]) if dist_net < NET_RADIUS * 2: self.state = "flee" self.flee_timer = 60 if self.state == "flee": dx = self.rect.centerx - player_rect.centerx dy = self.rect.centery - player_rect.centery dist = math.hypot(dx, dy) + 0.1 self.vel_x = (dx / dist) * FISH_SPEED * 2 self.vel_y = (dy / dist) * FISH_SPEED * 2 self.flee_timer -= 1 if self.flee_timer <= 0: self.state = "patrol" else: if random.random() < 0.02: self.vel_x *= -1 if random.random() < 0.01: self.vel_y = random.uniform(-0.5, 0.5) self.rect.x += self.vel_x self.rect.y += self.vel_y if self.rect.left < 0 or self.rect.right > WIDTH: self.vel_x *= -1 if self.rect.top < 0 or self.rect.bottom > HEIGHT: self.vel_y *= -1 def draw(self, screen, camera_y): screen_y = self.rect.y + camera_y screen_rect = pygame.Rect(self.rect.x, screen_y, self.rect.width, self.rect.height) pygame.draw.rect(screen, self.color, screen_rect) eye_x = screen_rect.x + (15 if self.vel_x > 0 else 5) pygame.draw.circle(screen, (0, 0, 0), (eye_x, screen_rect.y + 5), 2) # ================= 主循环与海洋背景 ================= class Game: def __init__(self): pygame.init() self.screen = pygame.display.set_mode((WIDTH, HEIGHT)) pygame.display.set_caption(TITLE) self.clock = pygame.time.Clock() self.player = Player(WIDTH//2, HEIGHT//2) self.fishes = [Fish(random.randint(0, WIDTH), random.randint(0, HEIGHT)) for _ in range(FISH_COUNT)] self.camera_y = 0 def run(self): running = True while running: self.clock.tick(FPS) self._handle_events() self._update() self._draw() pygame.quit() def _handle_events(self): for event in pygame.event.get(): if event.type == pygame.QUIT: return if event.type == pygame.MOUSEBUTTONDOWN and event.button == 1: self.player.throw_net(pygame.mouse.get_pos(), self.camera_y) def _update(self): keys = pygame.key.get_pressed() mouse_pos = pygame.mouse.get_pos() self.player.update(keys, mouse_pos, self.camera_y) target_cam_y = -self.player.rect.centery + HEIGHT // 2 self.camera_y += (target_cam_y - self.camera_y) * 0.1 net_pos = self.player.net_pos if self.player.net_active else (0, 0) for fish in self.fishes: fish.update(self.player.rect, net_pos, self.player.net_active, self.camera_y) if self.player.net_active: nx, ny = self.player.net_pos dist = ((self.player.rect.centerx - nx)**2 + (self.player.rect.centery - ny)**2)**0.5 if dist < 20: for fish in self.fishes[:]: if fish.rect.colliderect(pygame.Rect(nx-NET_RADIUS, ny-NET_RADIUS, NET_RADIUS*2, NET_RADIUS*2)): self.player.inventory.append("Fish") self.fishes.remove(fish) self.fishes.append(Fish(random.randint(0, WIDTH), random.randint(0, HEIGHT))) def _draw(self): depth_ratio = min(1.0, self.player.depth / 500.0) r = int(SKY_BLUE[0] * (1 - depth_ratio)) g = int(SKY_BLUE[1] * (1 - depth_ratio)) b = int(SKY_BLUE[2] * (1 - depth_ratio) + DEEP_BLUE[2] * depth_ratio) self.screen.fill((r, g, b)) for fish in self.fishes: fish.draw(self.screen, self.camera_y) self.player.draw(self.screen, self.camera_y) font = pygame.font.Font(None, 24) text = font.render("WASD: Move | LClick: Net | Fish: Catch", True, (255, 255, 255)) self.screen.blit(text, (10, HEIGHT - 30)) pygame.display.flip() if __name__ == "__main__": Game().run()