import pygame import sys import random import math # 初始化 pygame.init() WIDTH, HEIGHT = 900, 600 screen = pygame.display.set_mode((WIDTH, HEIGHT)) pygame.display.set_caption("航海模拟器") clock = pygame.time.Clock() FPS = 60 # 颜色 SKY_TOP = (100, 170, 230) SKY_BOTTOM = (190, 220, 240) SEA_DEEP = (20, 60, 110) SEA_MID = (30, 90, 150) SEA_LIGHT = (60, 130, 190) FOAM_WHITE = (230, 240, 250) HULL_BROWN = (120, 70, 30) HULL_DARK = (80, 45, 15) DECK_TAN = (200, 160, 110) SAIL_WHITE = (245, 245, 240) SAIL_SHADOW = (210, 210, 205) MAST_BROWN = (90, 60, 30) FLAG_RED = (200, 40, 40) BLACK = (0, 0, 0) WHITE = (255, 255, 255) YELLOW = (255, 230, 0) RED = (255, 60, 60) GREEN = (80, 200, 100) ROCK_GRAY = (110, 105, 100) ROCK_DARK = (70, 65, 60) WHIRL_BLUE = (40, 80, 140) WHIRL_LIGHT = (90, 140, 200) LIGHTHOUSE_RED = (220, 50, 50) LIGHTHOUSE_WHITE = (250, 250, 250) LIGHT_BEAM = (255, 250, 180) # 游戏参数 WIND_BASE_ANGLE = 45 # 风向（角度，0=东，90=北） WIND_CHANGE_SPEED = 0.3 BOAT_MAX_SPEED = 8 class Boat: def __init__(self): self.x = WIDTH // 2 self.y = HEIGHT - 150 self.angle = 0 # 船头朝向（0=向上/北） self.speed = 3.0 self.sail_angle = 0 # 帆的展开角度（-90~90） self.alive = True self.distance = 0 def update(self, keys, wind_angle): if not self.alive: return # 转向控制 turn = 0 if keys[pygame.K_LEFT] or keys[pygame.K_a]: turn = -1 elif keys[pygame.K_RIGHT] or keys[pygame.K_d]: turn = 1 self.angle += turn * 2.5 # 每次转动2.5度 # 帆角度控制 sail_change = 0 if keys[pygame.K_q]: sail_change = -2 elif keys[pygame.K_e]: sail_change = 2 self.sail_angle += sail_change self.sail_angle = max(-80, min(80, self.sail_angle)) # 计算风力效率 # 船头朝向与风向的夹角 # 风向：wind_angle，船向：self.angle # 理想情况下，帆与风向垂直时效率最高 # 帆的绝对方向 = 船向 + 帆角 sail_world_angle = self.angle + self.sail_angle # 风向与帆的夹角（0~180度） angle_diff = abs((sail_world_angle - wind_angle) % 360) if angle_diff > 180: angle_diff = 360 - angle_diff # 风力效率：夹角越接近90度，效率越高 # 0度（顺风）：效率中等；90度（侧风）：效率最高 efficiency = math.sin(math.radians(angle_diff)) efficiency = max(0.15, efficiency) # 目标速度 target_speed = 2 + efficiency * (BOAT_MAX_SPEED - 2) # 平滑加速 self.speed += (target_speed - self.speed) * 0.02 # 移动 rad = math.radians(self.angle) self.x += math.sin(rad) * self.speed self.y -= math.cos(rad) * self.speed # 累积航行距离 self.distance += self.speed * 0.1 # 边界（海洋无限但限制在可见范围内） if self.x < 40: self.x = 40 self.angle = min(self.angle + 5, 180) if self.x > WIDTH - 40: self.x = WIDTH - 40 self.angle = max(self.angle - 5, -180) if self.y < 80: self.y = 80 self.angle = 180 if self.angle > 0 else -180 if self.y > HEIGHT - 40: self.y = HEIGHT - 40 self.angle = 0 def get_rect(self): return pygame.Rect(self.x - 20, self.y - 30, 40, 50) def crash(self): self.alive = False def draw(self, surface): if not self.alive: # 沉船 pygame.draw.ellipse(surface, HULL_DARK, (self.x - 30, self.y, 60, 20)) pygame.draw.line(surface, MAST_BROWN, (self.x, self.y - 10), (self.x + 20, self.y - 30), 3) return # 用旋转表面绘制船体 boat_surf = pygame.Surface((80, 80), pygame.SRCALPHA) cx, cy = 40, 45 # 船体（椭圆） pygame.draw.ellipse(boat_surf, HULL_BROWN, (cx - 15, cy - 20, 30, 40)) pygame.draw.ellipse(boat_surf, HULL_DARK, (cx - 15, cy - 20, 30, 40), 2) # 甲板 pygame.draw.ellipse(boat_surf, DECK_TAN, (cx - 10, cy - 15, 20, 25)) # 桅杆 pygame.draw.line(boat_surf, MAST_BROWN, (cx, cy - 15), (cx, cy - 50), 3) # 帆（根据帆角度绘制） sail_offset = self.sail_angle * 0.4 sail_pts = [ (cx, cy - 45), (cx + sail_offset, cy - 20), (cx, cy - 5), ] pygame.draw.polygon(boat_surf, SAIL_WHITE, sail_pts) pygame.draw.polygon(boat_surf, SAIL_SHADOW, sail_pts, 2) # 小三角旗 pygame.draw.polygon(boat_surf, FLAG_RED, [ (cx, cy - 50), (cx + 12, cy - 46), (cx, cy - 42) ]) # 船头指向 pygame.draw.polygon(boat_surf, HULL_DARK, [ (cx, cy - 24), (cx - 4, cy - 18), (cx + 4, cy - 18) ]) # 旋转并绘制 rotated = pygame.transform.rotate(boat_surf, -self.angle) rect = rotated.get_rect(center=(int(self.x), int(self.y))) surface.blit(rotated, rect) class Rock: def __init__(self, x, y): self.x = x self.y = y self.size = random.randint(15, 30) self.points = [] for i in range(6): angle = i * math.pi * 2 / 6 r = self.size * random.uniform(0.6, 1.1) self.points.append((math.cos(angle) * r, math.sin(angle) * r)) def update(self, boat_speed): pass # 礁石静止 def get_rect(self): return pygame.Rect(self.x - self.size, self.y - self.size, self.size * 2, self.size * 2) def draw(self, surface): # 岩石影子 pygame.draw.ellipse(surface, ROCK_DARK, (self.x - self.size * 0.8, self.y + self.size * 0.4, self.size * 1.6, self.size * 0.6)) # 岩石主体 pts = [(self.x + px, self.y + py) for px, py in self.points] pygame.draw.polygon(surface, ROCK_GRAY, pts) pygame.draw.polygon(surface, ROCK_DARK, pts, 2) # 海浪漫过岩石 pygame.draw.arc(surface, FOAM_WHITE, (self.x - self.size, self.y - self.size * 0.2, self.size * 2, self.size * 1.4), 0, math.pi, 2) class Whirlpool: def __init__(self, x, y): self.x = x self.y = y self.radius = 45 self.phase = 0 def update(self): self.phase += 0.08 def get_rect(self): return pygame.Rect(self.x - self.radius, self.y - self.radius, self.radius * 2, self.radius * 2) def draw(self, surface): # 漩涡 for i in range(4): r = self.radius - i * 10 pygame.draw.circle(surface, WHIRL_BLUE, (int(self.x), int(self.y)), r, 2) # 旋转的线条 for i in range(6): angle = self.phase + i * math.pi / 3 x1 = self.x + math.cos(angle) * (self.radius - 5) y1 = self.y + math.sin(angle) * (self.radius - 5) x2 = self.x + math.cos(angle + 0.8) * (self.radius - 20) y2 = self.y + math.sin(angle + 0.8) * (self.radius - 20) pygame.draw.line(surface, WHIRL_LIGHT, (x1, y1), (x2, y2), 2) # 中心 pygame.draw.circle(surface, (10, 30, 60), (int(self.x), int(self.y)), 6) class Lighthouse: def __init__(self, x, y): self.x = x self.y = y def draw(self, surface): # 塔身（红白条纹） base_w = 24 top_w = 14 height = 90 # 红色塔身 pygame.draw.polygon(surface, LIGHTHOUSE_RED, [ (self.x - base_w // 2, self.y), (self.x - top_w // 2, self.y - height), (self.x + top_w // 2, self.y - height), (self.x + base_w // 2, self.y), ]) # 白色条纹 for i in range(1, 4): t = i / 4 y1 = self.y - height * t t_next = (i - 0.3) / 4 y2 = self.y - height * t_next w1 = base_w // 2 - (base_w - top_w) // 2 * t w2 = base_w // 2 - (base_w - top_w) // 2 * t_next pygame.draw.polygon(surface, LIGHTHOUSE_WHITE, [ (self.x - w1, y1), (self.x + w1, y1), (self.x + w2, y2), (self.x - w2, y2), ]) # 灯塔顶灯 pygame.draw.rect(surface, (60, 60, 60), (self.x - top_w // 2 - 3, self.y - height - 8, top_w + 6, 8)) pygame.draw.circle(surface, LIGHT_BEAM, (int(self.x), int(self.y - height - 12)), 8) pygame.draw.circle(surface, WHITE, (int(self.x), int(self.y - height - 12)), 4) class WindArrow: """显示风向和风力的指示器""" def __init__(self, x, y): self.x = x self.y = y def draw(self, surface, wind_angle, wind_strength): pygame.draw.circle(surface, (255, 255, 255, 100), (self.x, self.y), 35) pygame.draw.circle(surface, BLACK, (self.x, self.y), 35, 2) rad = math.radians(wind_angle) arrow_len = 25 + wind_strength * 5 ex = self.x + math.sin(rad) * arrow_len ey = self.y - math.cos(rad) * arrow_len pygame.draw.line(surface, (30, 120, 200), (self.x, self.y), (ex, ey), 4) # 箭头头部 head_angle1 = rad + math.pi * 0.8 head_angle2 = rad - math.pi * 0.8 pygame.draw.polygon(surface, (30, 120, 200), [ (ex, ey), (ex + math.sin(head_angle1) * 10, ey - math.cos(head_angle1) * 10), (ex + math.sin(head_angle2) * 10, ey - math.cos(head_angle2) * 10), ]) label = pygame.font.SysFont("arial", 12).render("WIND", True, BLACK) surface.blit(label, (self.x - 18, self.y + 38)) def draw_sea(surface, distance): # 海面 surface.fill(SEA_MID) # 远处的天空（地平线） pygame.draw.rect(surface, SKY_BOTTOM, (0, 0, WIDTH, 80)) pygame.draw.rect(surface, SKY_TOP, (0, 0, WIDTH, 40)) # 地平线 pygame.draw.line(surface, (200, 220, 230), (0, 80), (WIDTH, 80), 2) # 海浪 wave_offset = (distance * 3) % 80 for i in range(20): y = 100 + i * 26 phase = distance * 0.05 + i * 0.8 for j in range(0, WIDTH + 80, 80): x = j - wave_offset + math.sin(phase + j * 0.02) * 10 pygame.draw.arc(surface, SEA_LIGHT, (x - 30, y - 8, 60, 16), 0.2, math.pi - 0.2, 2) pygame.draw.arc(surface, (80, 150, 210), (x - 25, y - 5, 50, 12), 0.3, math.pi - 0.3, 1) def draw_ui(surface, boat, font, small_font, wind_angle, wind_strength, distance): # 速度 speed_text = small_font.render(f"SPD: {boat.speed:.1f} knots", True, BLACK) surface.blit(speed_text, (20, 20)) # 航向 heading_text = small_font.render(f"HEADING: {int(boat.angle)}°", True, BLACK) surface.blit(heading_text, (20, 50)) # 帆角度 sail_text = small_font.render(f"SAIL: {int(boat.sail_angle)}°", True, BLACK) surface.blit(sail_text, (20, 80)) # 距离 dist_text = font.render(f"Distance: {int(distance)} nm", True, BLACK) surface.blit(dist_text, (WIDTH - 300, 20)) # 风向指示器 WindArrow(WIDTH - 70, HEIGHT - 70).draw(surface, wind_angle, wind_strength) # 操作提示 hint1 = small_font.render("A/D or ←/→ : Steer Q/E : Adjust Sail", True, (40, 40, 40)) surface.blit(hint1, (WIDTH // 2 - 190, HEIGHT - 50)) hint2 = small_font.render("Sail perpendicular to wind for max speed", True, (60, 60, 60)) surface.blit(hint2, (WIDTH // 2 - 180, HEIGHT - 28)) # 游戏结束 if not boat.alive: overlay = pygame.Surface((WIDTH, HEIGHT), pygame.SRCALPHA) overlay.fill((0, 0, 0, 140)) surface.blit(overlay, (0, 0)) go_text = font.render("SHIPWRECKED!", True, RED) surface.blit(go_text, (WIDTH // 2 - 140, HEIGHT // 2 - 80)) final_dist = small_font.render( f"You sailed {int(distance)} nautical miles", True, WHITE) surface.blit(final_dist, (WIDTH // 2 - 150, HEIGHT // 2 - 20)) restart = small_font.render("Press R to Restart", True, YELLOW) surface.blit(restart, (WIDTH // 2 - 110, HEIGHT // 2 + 30)) def main(): font = pygame.font.SysFont("arial", 36, bold=True) small_font = pygame.font.SysFont("arial", 20) boat = Boat() wind_angle = WIND_BASE_ANGLE wind_strength = 5 # 生成场景元素 def create_scene(): rocks = [] whirlpools = [] # 随机放置礁石和漩涡 for _ in range(8): x = random.randint(80, WIDTH - 80) y = random.randint(150, HEIGHT - 100) if math.hypot(x - WIDTH // 2, y - (HEIGHT - 150)) < 150: continue rocks.append(Rock(x, y)) for _ in range(3): x = random.randint(100, WIDTH - 100) y = random.randint(150, HEIGHT - 150) if math.hypot(x - WIDTH // 2, y - (HEIGHT - 150)) < 200: continue whirlpools.append(Whirlpool(x, y)) return rocks, whirlpools rocks, whirlpools = create_scene() lighthouses = [Lighthouse(120, 95), Lighthouse(WIDTH - 120, 95)] distance = 0 wind_timer = 0 running = True while running: clock.tick(FPS) for event in pygame.event.get(): if event.type == pygame.QUIT: running = False if event.type == pygame.KEYDOWN: if event.key == pygame.K_r and not boat.alive: boat = Boat() rocks, whirlpools = create_scene() wind_angle = WIND_BASE_ANGLE wind_strength = 5 distance = 0 keys = pygame.key.get_pressed() # 风向缓慢变化 wind_timer += 1 if wind_timer > 180: wind_timer = 0 wind_angle += random.uniform(-30, 30) wind_strength = random.uniform(3, 8) if boat.alive: boat.update(keys, wind_angle) distance = boat.distance # 更新漩涡 for wp in whirlpools: wp.update() # 碰撞检测：礁石 boat_rect = boat.get_rect() for rock in rocks: if boat_rect.colliderect(rock.get_rect()): boat.crash() break # 碰撞检测：漩涡 if boat.alive: for wp in whirlpools: if boat_rect.colliderect(wp.get_rect()): boat.crash() break # 绘制 draw_sea(screen, distance) # 灯塔 for lh in lighthouses: lh.draw(screen) # 礁石 for rock in rocks: rock.draw(screen) # 漩涡 for wp in whirlpools: wp.draw(screen) # 船 boat.draw(screen) # 海面泡沫（船尾） if boat.alive: for i in range(3): fx = boat.x - math.sin(math.radians(boat.angle)) * (25 + i * 8) fy = boat.y + math.cos(math.radians(boat.angle)) * (25 + i * 8) pygame.draw.circle(screen, FOAM_WHITE, (int(fx + random.uniform(-3, 3)), int(fy + random.uniform(-3, 3))), 3 - i) # UI draw_ui(screen, boat, font, small_font, wind_angle, wind_strength, distance) pygame.display.flip() pygame.quit() sys.exit() if __name__ == "__main__": main()