import pygame import sys import math import random # ===== 初始化 ===== pygame.init() WIDTH, HEIGHT = 1000, 700 screen = pygame.display.set_mode((WIDTH, HEIGHT)) pygame.display.set_caption("Radish Defense - Tower Defense") # ===== 颜色（所有值严格 0~255） ===== BG = (35, 55, 35) PATH_COLOR = (175, 155, 95) GRASS = (65, 135, 65) TOWER_COLORS = { "basic": (170, 170, 190), "sniper": (90, 190, 90), "machine": (190, 95, 95), "cannon": (195, 145, 45), "freeze": (90, 170, 250), } BULLET = (255, 200, 0) ENEMY = (215, 75, 75) HP_GREEN = (75, 215, 75) HP_RED = (215, 75, 75) UI_BG = (40, 40, 60) UI_TEXT = (215, 215, 250) BTN_COLOR = (65, 95, 145) BTN_HOVER = (85, 125, 185) RADISH_BODY = (235, 115, 155) RADISH_LVS = (95, 215, 95) SLOW_CLR = (95, 195, 250) EXPLODE = (255, 145, 0) WHITE = (255, 255, 255) BLACK = (0, 0, 0) YELLOW = (255, 210, 30) GRID_OK = (60, 120, 60, 100) # 可放置区域（半透明绿） GRID_OK_BD = (80, 160, 80, 140) GRID_NO = (160, 60, 60, 90) # 不可放置（半透明红） GRID_NO_BD = (200, 80, 80, 120) FPS = 60 clock = pygame.time.Clock() font = pygame.font.Font(None, 24) big_font = pygame.font.Font(None, 48) title_font = pygame.font.Font(None, 72) # ===== 路径 ===== path = [ (50, 350), (240, 350), (240, 210), (420, 210), (420, 410), (600, 410), (630, 300), (820, 310), (870, 510) ] # ===== 可放置区域（用网格标记） ===== CELL = 50 # 网格大小 cols, rows = WIDTH // CELL, (HEIGHT - 150) // CELL # 底部留150给UI def point_to_cell(px, py): return px // CELL, py // CELL def cell_center(cx, cy): return cx * CELL + CELL // 2, cy * CELL + CELL // 2 def is_on_path(px, py, margin=28): """判断点是否在路径附近""" for i in range(len(path) - 1): x1, y1 = path[i] x2, y2 = path[i+1] seg_len = math.sqrt((x2-x1)**2 + (y2-y1)**2) if seg_len == 0: continue # 点到线段的距离 t = max(0, min(1, ((px-x1)*(x2-x1) + (py-y1)*(y2-y1)) / (seg_len**2))) proj_x = x1 + t * (x2 - x1) proj_y = y1 + t * (y2 - y1) d = math.sqrt((px - proj_x)**2 + (py - proj_y)**2) if d < margin: return True return False def is_near_radish(px, py, margin=45): rx, ry = path[-1] return math.sqrt((px - rx)**2 + (py - ry)**2) < margin def is_near_tower(px, py, towers, margin=45): for t in towers: if math.sqrt((px - t.x)**2 + (py - t.y)**2) < margin: return True return False def build_grid(towers): """构建可放置网格标记""" grid = {} for cy in range(rows): for cx in range(cols): px, py = cell_center(cx, cy) if py >= HEIGHT - 150: # UI区域不可放 grid[(cx, cy)] = "no" continue if is_on_path(px, py): grid[(cx, cy)] = "no" elif is_near_radish(px, py): grid[(cx, cy)] = "no" elif is_near_tower(px, py, towers): grid[(cx, cy)] = "no" else: grid[(cx, cy)] = "ok" return grid def draw_grid(surface, grid, mouse_pos): """绘制网格标记""" mx, my = mouse_pos for (cx, cy), status in grid.items(): x = cx * CELL y = cy * CELL if status == "ok": # 可放置：淡绿方块 s = pygame.Surface((CELL-2, CELL-2), pygame.SRCALPHA) s.fill(GRID_OK) surface.blit(s, (x+1, y+1)) pygame.draw.rect(surface, GRID_OK_BD, (x+1, y+1, CELL-2, CELL-2), 1) # 中心小绿点 pygame.draw.circle(surface, (80, 180, 80), (x+CELL//2, y+CELL//2), 3) else: # 不可放置：淡红斜线 s = pygame.Surface((CELL-2, CELL-2), pygame.SRCALPHA) s.fill(GRID_NO) surface.blit(s, (x+1, y+1)) pygame.draw.rect(surface, GRID_NO_BD, (x+1, y+1, CELL-2, CELL-2), 1) # 鼠标悬停的格子高亮 if (mx // CELL, my // CELL) == (cx, cy): if status == "ok": pygame.draw.rect(surface, YELLOW, (x, y, CELL, CELL), 3) else: pygame.draw.rect(surface, (255, 80, 80), (x, y, CELL, CELL), 3) # ===== 游戏状态 ===== money = 150 health = 10 game_over = False game_won = False wave = 1 enemies_defeated = 0 enemies_per_wave = 15 spawn_timer = 0 spawn_delay = 40 selected_tower_type = None tower_info_visible = False info_tower = None # ===== 炮塔类型 ===== TOWER_TYPES = { "basic": {"name": "Basic", "cost": 60, "range": 150, "damage": 1, "cooldown": 30, "color": TOWER_COLORS["basic"]}, "sniper": {"name": "Sniper", "cost": 120, "range": 300, "damage": 3, "cooldown": 60, "color": TOWER_COLORS["sniper"]}, "machine": {"name": "Machine", "cost": 100, "range": 120, "damage": 0.5, "cooldown": 10, "color": TOWER_COLORS["machine"]}, "cannon": {"name": "Cannon", "cost": 150, "range": 130, "damage": 2, "cooldown": 40, "color": TOWER_COLORS["cannon"]}, "freeze": {"name": "Freeze", "cost": 130, "range": 140, "damage": 0.2, "cooldown": 50, "color": TOWER_COLORS["freeze"]}, } # ===== Tower ===== class Tower: def __init__(self, x, y, tower_type): self.x = x self.y = y self.type = tower_type self.stats = TOWER_TYPES[tower_type] self.range = self.stats["range"] self.damage = self.stats["damage"] self.cooldown = 0 self.cooldown_max = self.stats["cooldown"] self.cost = self.stats["cost"] self.level = 1 self.color = self.stats["color"] self.gun_clr = (max(0, self.color[0]-50), max(0, self.color[1]-50), max(0, self.color[2]-50)) def draw(self, s): pygame.draw.circle(s, self.color, (self.x, self.y), 20) darker = (max(0, self.color[0]-30), max(0, self.color[1]-30), max(0, self.color[2]-30)) pygame.draw.circle(s, darker, (self.x, self.y), 15) if self.type == "basic": pygame.draw.rect(s, self.gun_clr, (self.x+5, self.y-5, 25, 10)) elif self.type == "sniper": pygame.draw.rect(s, self.gun_clr, (self.x+5, self.y-3, 35, 6)) pygame.draw.circle(s, (50, 50, 50), (self.x+40, self.y), 5) elif self.type == "machine": pygame.draw.rect(s, self.gun_clr, (self.x+5, self.y-8, 25, 6)) pygame.draw.rect(s, self.gun_clr, (self.x+5, self.y+2, 25, 6)) elif self.type == "cannon": pygame.draw.rect(s, self.gun_clr, (self.x+5, self.y-7, 30, 14)) elif self.type == "freeze": pygame.draw.rect(s, self.gun_clr, (self.x+5, self.y-5, 25, 10)) pygame.draw.circle(s, (195, 225, 255), (self.x+15, self.y), 8, 2) def update(self, enemies): if self.cooldown > 0: self.cooldown -= 1 return None for e in enemies: if not e.active or e.health <= 0: continue d = math.sqrt((self.x - e.x)**2 + (self.y - e.y)**2) if d <= self.range: self.cooldown = self.cooldown_max return Bullet(self.x, self.y, e, self.damage, self.type) return None # ===== Bullet（修复：所有分支都有 self.size） ===== class Bullet: def __init__(self, x, y, target, damage, btype): self.x = x self.y = y self.target = target self.speed = 8 self.damage = damage self.active = True self.type = btype self.effect = None self.size = 5 # ★ 默认大小，所有子弹都有 if btype == "freeze": self.color = (100, 200, 255) self.effect = "slow" self.effect_duration = 180 elif btype == "cannon": self.color = (255, 150, 0) self.size = 8 # 炮弹更大 elif btype == "machine": self.color = BULLET self.size = 3 # 机枪子弹更小更快 elif btype == "sniper": self.color = (150, 255, 150) self.size = 3 else: # basic self.color = BULLET # size 保持默认 5 def update(self): if not self.active or not self.target.active: self.active = False return False dx = self.target.x - self.x dy = self.target.y - self.y dist = math.sqrt(dx**2 + dy**2) if dist < self.speed: self.target.health -= self.damage if self.effect == "slow": self.target.slow_duration = self.effect_duration self.target.speed = self.target.original_speed * 0.5 self.active = False return True self.x += dx / dist * self.speed self.y += dy / dist * self.speed return False def draw(self, s): if self.type == "cannon": pygame.draw.circle(s, self.color, (int(self.x), int(self.y)), self.size) pygame.draw.circle(s, (255, 200, 100), (int(self.x), int(self.y)), max(1, self.size-3)) else: pygame.draw.circle(s, self.color, (int(self.x), int(self.y)), self.size) pygame.draw.circle(s, (255, 255, 200), (int(self.x), int(self.y)), max(1, self.size-2)) # ===== Enemy ===== class Enemy: def __init__(self, path, wave): self.path = path self.path_index = 0 self.x, self.y = path[0] self.max_health = 5 + (wave - 1) * 2 self.health = self.max_health self.speed = 1.0 + (wave - 1) * 0.1 self.original_speed = self.speed self.reward = 10 + (wave - 1) * 2 self.slow_duration = 0 self.active = True r = random.random() if r < 0.25: self.type = "fast" self.speed *= 1.8 self.health *= 0.7 self.reward = int(self.reward * 1.3) self.color = (220, 120, 120) elif r < 0.45: self.type = "tank" self.speed *= 0.7 self.health *= 3.0 self.reward = int(self.reward * 1.8) self.color = (180, 80, 80) else: self.type = "normal" self.color = ENEMY def update(self): if not self.active: return False if self.slow_duration > 0: self.slow_duration -= 1 if self.slow_duration == 0: self.speed = self.original_speed tx, ty = self.path[self.path_index] dx = tx - self.x dy = ty - self.y dist = math.sqrt(dx**2 + dy**2) if dist < self.speed: self.path_index += 1 if self.path_index >= len(self.path): self.active = False return True tx, ty = self.path[self.path_index] dx = tx - self.x dy = ty - self.y dist = math.sqrt(dx**2 + dy**2) self.x += dx / dist * self.speed self.y += dy / dist * self.speed return False def draw(self, s): pygame.draw.circle(s, self.color, (int(self.x), int(self.y)), 15) darker = (max(0, self.color[0]-40), max(0, self.color[1]-40), max(0, self.color[2]-40)) if self.type == "fast": pygame.draw.circle(s, darker, (int(self.x), int(self.y)), 10) pygame.draw.line(s, (255, 255, 200), (self.x, self.y-15), (self.x, self.y-25), 2) elif self.type == "tank": d2 = (max(0, self.color[0]-50), max(0, self.color[1]-50), max(0, self.color[2]-50)) pygame.draw.rect(s, d2, (self.x-12, self.y-5, 24, 10)) pygame.draw.rect(s, d2, (self.x-5, self.y-12, 10, 24)) else: pygame.draw.circle(s, darker, (int(self.x), int(self.y)), 10) bw = 40 pygame.draw.rect(s, HP_RED, (self.x - bw//2, self.y - 30, bw, 5)) pygame.draw.rect(s, HP_GREEN, (self.x - bw//2, self.y - 30, int(bw * self.health / self.max_health), 5)) if self.slow_duration > 0: pygame.draw.circle(s, SLOW_CLR, (int(self.x), int(self.y)), 18, 2) # ===== Explosion ===== class Explosion: def __init__(self, x, y): self.x = x self.y = y self.radius = 5 self.max_radius = 30 self.growth = 1.5 self.active = True def update(self): self.radius += self.growth if self.radius > self.max_radius: self.active = False def draw(self, s): a = int(255 * (1 - self.radius / self.max_radius)) surf = pygame.Surface((self.max_radius*2, self.max_radius*2), pygame.SRCALPHA) pygame.draw.circle(surf, (*EXPLODE, a), (self.max_radius, self.max_radius), int(self.radius), 3) pygame.draw.circle(surf, (255, 255, 200, a//2), (self.max_radius, self.max_radius), int(self.radius/2), 2) s.blit(surf, (int(self.x - self.max_radius), int(self.y - self.max_radius))) # ===== 游戏对象列表 ===== towers = [] bullets = [] enemies = [] explosions = [] # ===== 绘图函数 ===== def draw_path_line(): for i in range(len(path) - 1): pygame.draw.line(screen, PATH_COLOR, path[i], path[i+1], 40) # 起点装饰 pygame.draw.circle(screen, (115, 85, 55), path[0], 20) pygame.draw.circle(screen, (140, 110, 75), path[0], 14) def draw_grass_bg(): for i in range(0, WIDTH, 40): for j in range(0, HEIGHT - 150, 40): if random.random() > 0.35: pygame.draw.line(screen, GRASS, (i, j), (i, j-14), 2) def draw_radish(): x, y = path[-1] # 叶子 pygame.draw.ellipse(screen, RADISH_LVS, (x-24, y-68, 48, 38)) ld = (max(0, RADISH_LVS[0]-20), max(0, RADISH_LVS[1]-20), max(0, RADISH_LVS[2]-20)) pygame.draw.ellipse(screen, ld, (x-30, y-58, 28, 28)) pygame.draw.ellipse(screen, ld, (x+2, y-58, 28, 28)) # 身体 pygame.draw.circle(screen, RADISH_BODY, (x, y), 30) rd = (max(0, RADISH_BODY[0]-40), max(0, RADISH_BODY[1]-40), max(0, RADISH_BODY[2]-40)) pygame.draw.ellipse(screen, rd, (x-19, y-14, 38, 28)) # 眼睛 pygame.draw.circle(screen, WHITE, (x-10, y-5), 8) pygame.draw.circle(screen, WHITE, (x+10, y-5), 8) pygame.draw.circle(screen, BLACK, (x-10, y-5), 4) pygame.draw.circle(screen, BLACK, (x+10, y-5), 4) # 嘴巴 pygame.draw.arc(screen, (195, 75, 115), (x-10, y+2, 20, 14), 0, math.pi, 3) # 血条 pygame.draw.rect(screen, HP_RED, (x-30, y-95, 60, 8)) pygame.draw.rect(screen, HP_GREEN, (x-30, y-95, int(60 * health / 10), 8)) def draw_ui(): ui_y = HEIGHT - 150 pygame.draw.rect(screen, UI_BG, (0, 0, WIDTH, 48)) pygame.draw.rect(screen, (50, 50, 70), (0, ui_y, WIDTH, 150)) pygame.draw.line(screen, (80, 80, 100), (0, ui_y), (WIDTH, ui_y), 3) # 顶部信息 items = [ f"Gold: {money}", f"HP: {health}", f"Wave: {wave}/10", f"Killed: {enemies_defeated}/{wave * enemies_per_wave}" ] xs = [20, 160, 310, 470] for txt, xp in zip(items, xs): t = font.render(txt, True, UI_TEXT) screen.blit(t, (xp, 14)) # 炮塔按钮 label = font.render("Towers:", True, UI_TEXT) screen.blit(label, (20, ui_y + 15)) bw, bh, sp = 145, 100, 18 sx = 20 for i, (tid, td) in enumerate(TOWER_TYPES.items()): x = sx + i * (bw + sp) y = ui_y + 42 r = pygame.Rect(x, y, bw, bh) if selected_tower_type == tid: c = (max(0, td["color"][0]//2), max(0, td["color"][1]//2), max(0, td["color"][2]//2)) elif r.collidepoint(pygame.mouse.get_pos()): c = (max(0, int(td["color"][0]/1.2)), max(0, int(td["color"][1]/1.2)), max(0, int(td["color"][2]/1.2))) else: c = td["color"] pygame.draw.rect(screen, c, r) bc = (max(0, c[0]//2), max(0, c[1]//2), max(0, c[2]//2)) pygame.draw.rect(screen, bc, r, 3) # 名字 nt = font.render(td["name"], True, WHITE) screen.blit(nt, (x + bw//2 - nt.get_width()//2, y + 8)) # 价格 ct = font.render(f"${td['cost']}", True, (255, 255, 180)) screen.blit(ct, (x + bw//2 - ct.get_width()//2, y + 38)) # 图标 ic = (max(0, c[0]-50), max(0, c[1]-50), max(0, c[2]-50)) pygame.draw.circle(screen, ic, (x + bw//2, y + 75), 14) if tid == "sniper": pygame.draw.rect(screen, (50, 50, 50), (x + bw//2 + 4, y + 75 - 3, 18, 5)) elif tid == "machine": pygame.draw.rect(screen, (50, 50, 50), (x + bw//2 + 4, y + 75 - 7, 18, 5)) pygame.draw.rect(screen, (50, 50, 50), (x + bw//2 + 4, y + 75 + 2, 18, 5)) elif tid == "cannon": pygame.draw.rect(screen, (50, 50, 50), (x + bw//2 + 4, y + 75 - 6, 22, 12)) elif tid == "freeze": pygame.draw.circle(screen, (195, 225, 255), (x + bw//2, y + 75), 9, 2) def draw_tower_info_panel(): if not tower_info_visible or not info_tower: return pw, ph = 300, 200 px, py = WIDTH//2 - pw//2, HEIGHT//2 - ph//2 surf = pygame.Surface((pw, ph), pygame.SRCALPHA) surf.fill((30, 30, 55, 225)) pygame.draw.rect(surf, (100, 100, 150), (0, 0, pw, ph), 3) t = font.render(f"{TOWER_TYPES[info_tower.type]['name']} Info", True, (255, 255, 200)) surf.blit(t, (pw//2 - t.get_width()//2, 15)) for i, line in enumerate([ f"Damage: {info_tower.damage}", f"Range: {info_tower.range}", f"CD: {info_tower.cooldown_max}F", f"DPS: {info_tower.damage / (info_tower.cooldown_max/60):.1f}" if info_tower.cooldown_max > 0 else "DPS: N/A", ]): lt = font.render(line, True, UI_TEXT) surf.blit(lt, (30, 50 + i * 28)) if info_tower.type == "freeze": ft = font.render("Effect: Slow 50%", True, SLOW_CLR) surf.blit(ft, (30, 158)) # 关闭按钮 pygame.draw.rect(surf, (180, 75, 75), (pw - 50, 10, 40, 22)) xt = font.render("X", True, WHITE) surf.blit(xt, (pw - 37, 13)) screen.blit(surf, (px, py)) def draw_game_over_screen(): overlay = pygame.Surface((WIDTH, HEIGHT), pygame.SRCALPHA) overlay.fill((0, 0, 0, 185)) screen.blit(overlay, (0, 0)) if game_won: txt = big_font.render("Victory! Radish is safe!", True, (95, 250, 95)) else: txt = big_font.render("Game Over! Radish eaten!", True, (250, 95, 95)) screen.blit(txt, (WIDTH//2 - txt.get_width()//2, HEIGHT//2 - 60)) rt = font.render("Press R to Restart", True, (195, 200, 250)) screen.blit(rt, (WIDTH//2 - rt.get_width()//2, HEIGHT//2 + 10)) st = font.render(f"Score: {enemies_defeated * 10 + money}", True, (250, 250, 145)) screen.blit(st, (WIDTH//2 - st.get_width()//2, HEIGHT//2 + 50)) def draw_start_screen(): screen.fill((20, 38, 20)) # 标题 tt = title_font.render("Radish Defense", True, (95, 215, 95)) screen.blit(tt, (WIDTH//2 - tt.get_width()//2, 140)) # 萝卜 pygame.draw.circle(screen, RADISH_BODY, (WIDTH//2, 285), 58) rd = (max(0, RADISH_BODY[0]-40), max(0, RADISH_BODY[1]-40), max(0, RADISH_BODY[2]-40)) pygame.draw.ellipse(screen, rd, (WIDTH//2-38, 365, 76, 48)) pygame.draw.circle(screen, WHITE, (WIDTH//2-19, 385), 14) pygame.draw.circle(screen, WHITE, (WIDTH//2+19, 393), 14) pygame.draw.circle(screen, BLACK, (WIDTH//2-19, 387), 6) pygame.draw.circle(screen, BLACK, (WIDTH//2+19, 397), 6) pygame.draw.arc(screen, (195, 75, 115), (WIDTH//2-18, 375, 36, 26), 0, math.pi, 5) # 叶子 pygame.draw.ellipse(screen, RADISH_LVS, (WIDTH//2-38, 275, 76, 56)) ld = (max(0, RADISH_LVS[0]-20), max(0, RADISH_LVS[1]-20), max(0, RADISH_LVS[2]-20)) pygame.draw.ellipse(screen, ld, (WIDTH//2-58, 302, 36, 36)) pygame.draw.ellipse(screen, ld, (WIDTH//2+18, 332, 36, 36)) # 开始按钮 bx, by, bw, bh = WIDTH//2 - 100, 470, 200, 60 br = pygame.Rect(bx, by, bw, bh) pygame.draw.rect(screen, BTN_COLOR, br) if br.collidepoint(pygame.mouse.get_pos()): pygame.draw.rect(screen, BTN_HOVER, br, 3) else: pygame.draw.rect(screen, BTN_HOVER, br, 2) stxt = big_font.render("Start", True, WHITE) screen.blit(stxt, (WIDTH//2 - stxt.get_width()//2, by + 13)) # 说明 tips = [ "Defend the radish from enemies!", "Click a tower type, then click a green grid to place it.", "Red grids = blocked. Green = buildable.", "Survive 10 waves to win!", ] for i, tip in enumerate(tips): t = font.render(tip, True, (195, 215, 195)) screen.blit(t, (WIDTH//2 - t.get_width()//2, 555 + i * 28)) def reset_game(): global money, health, game_over, game_won, wave, enemies_defeated global towers, bullets, enemies, explosions, selected_tower_type global spawn_timer, tower_info_visible, info_tower money = 150 health = 10 game_over = False game_won = False wave = 1 enemies_defeated = 0 towers = [] bullets = [] enemies = [] explosions = [] selected_tower_type = None spawn_timer = 0 tower_info_visible = False info_tower = None # ===== 主循环 ===== running = True start_screen = True while running: mouse_pos = pygame.mouse.get_pos() for ev in pygame.event.get(): if ev.type == pygame.QUIT: running = False elif ev.type == pygame.MOUSEBUTTONDOWN: if start_screen: bx, by, bw, bh = WIDTH//2-100, 470, 200, 60 if bx <= ev.pos[0] <= bx+bw and by <= ev.pos[1] <= by+bh: start_screen = False continue if game_over: continue mx, my = ev.pos # 关闭信息面板 if tower_info_visible: px, py = WIDTH//2-150, HEIGHT//2-100 if px+250 <= mx <= px+290 and py+10 <= my <= py+32: tower_info_visible = False continue ui_y = HEIGHT - 150 # 点击 UI 炮塔按钮 if my >= ui_y: bw2, sp = 145, 18 sx = 20 for i, tid in enumerate(TOWER_TYPES.keys()): bx2 = sx + i * (bw2 + sp) by2 = ui_y + 42 if bx2 <= mx <= bx2+bw2 and by2 <= my <= by2+100: if money >= TOWER_TYPES[tid]["cost"]: selected_tower_type = tid break continue # 点击地图放置炮塔 if selected_tower_type and my < ui_y: grid = build_grid(towers) cell = point_to_cell(mx, my) if grid.get(cell) == "ok": cx, cy = cell_center(*cell) # 再检查一次（防边缘情况） if not is_on_path(cx, cy) and not is_near_radish(cx, cy) and not is_near_tower(cx, cy, towers): if money >= TOWER_TYPES[selected_tower_type]["cost"]: towers.append(Tower(cx, cy, selected_tower_type)) money -= TOWER_TYPES[selected_tower_type]["cost"] selected_tower_type = None # 点击已有炮塔查看信息 for t in towers: if math.sqrt((mx - t.x)**2 + (my - t.y)**2) < 22: tower_info_visible = True info_tower = t break elif ev.type == pygame.KEYDOWN: if ev.key == pygame.K_r and game_over: reset_game() if ev.key == pygame.K_ESCAPE: selected_tower_type = None tower_info_visible = False # ===== 更新 ===== if start_screen: draw_start_screen() pygame.display.flip() clock.tick(FPS) continue if not game_over: # 刷怪 spawn_timer += 1 if spawn_timer >= spawn_delay and len(enemies) < 8 and enemies_defeated < wave * enemies_per_wave: enemies.append(Enemy(path, wave)) spawn_timer = 0 # 敌人 for e in enemies[:]: if e.update(): health -= 1 enemies.remove(e) if health <= 0: game_over = True elif e.health <= 0: money += e.reward enemies_defeated += 1 enemies.remove(e) explosions.append(Explosion(e.x, e.y)) # 炮塔射击 for t in towers: b = t.update(enemies) if b: bullets.append(b) # 子弹 for b in bullets[:]: b.update() if not b.active and b in bullets: bullets.remove(b) # 爆炸 for ex in explosions[:]: ex.update() if not ex.active: explosions.remove(ex) # 波次推进 if enemies_defeated >= wave * enemies_per_wave and len(enemies) == 0: wave += 1 money += 100 if wave > 10: game_over = True game_won = True # ===== 绘制 ===== screen.fill(BG) # 先画网格（在草地下面一层） grid = build_grid(towers) draw_grid(screen, grid, mouse_pos) draw_grass_bg() draw_path_line() draw_radish() # 选中炮塔时显示预览 if selected_tower_type: mx, my = mouse_pos cell = point_to_cell(mx, my) cx, cy = cell_center(*cell) gstatus = grid.get(cell, "no") if gstatus == "ok": # 预览范围 r = TOWER_TYPES[selected_tower_type]["range"] s2 = pygame.Surface((r*2, r*2), pygame.SRCALPHA) pygame.draw.circle(s2, (80, 200, 80, 50), (r, r), r, 0) pygame.draw.circle(s2, (80, 255, 80, 120), (r, r), r, 2) screen.blit(s2, (cx - r, cy - r)) # 预览炮塔 tc = TOWER_TYPES[selected_tower_type]["color"] pygame.draw.circle(screen, tc, (cx, cy), 20) pygame.draw.circle(screen, (max(0,tc[0]-30),max(0,tc[1]-30),max(0,tc[2]-30)), (cx, cy), 15) pygame.draw.rect(screen, (max(0,tc[0]-50),max(0,tc[1]-50),max(0,tc[2]-50)), (cx+5, cy-5, 22, 10)) else: # 红色叉号提示不可放 pygame.draw.line(screen, (255, 80, 80), (cx-15, cy-15), (cx+15, cy+15), 4) pygame.draw.line(screen, (255, 80, 80), (cx+15, cy-15), (cx-15, cy+15), 4) # 炮塔 for t in towers: t.draw(screen) # 悬停显示范围 if math.sqrt((mouse_pos[0]-t.x)**2 + (mouse_pos[1]-t.y)**2) < 25: s3 = pygame.Surface((t.range*2, t.range*2), pygame.SRCALPHA) pygame.draw.circle(s3, (80, 130, 255, 35), (t.range, t.range), t.range, 0) pygame.draw.circle(s3, (80, 160, 255, 100), (t.range, t.range), t.range, 1) screen.blit(s3, (t.x - t.range, t.y - t.range)) # 子弹 / 敌人 / 爆炸 for b in bullets: b.draw(screen) for e in enemies: e.draw(screen) for ex in explosions: ex.draw(screen) # UI draw_ui() draw_tower_info_panel() if game_over: draw_game_over_screen() pygame.display.flip() clock.tick(FPS) pygame.quit() sys.exit()