import tkinter as tk import math import random import time class WheelOfFortune: def __init__(self, root): self.root = root self.root.title("🎡 转盘抽奖") self.root.configure(bg="#1e2b3a") self.root.resizable(False, False) # ----- 奖品配置 ----- self.segments = [ {"label": "100元", "color": "#e74c3c"}, {"label": "谢谢参与", "color": "#3498db"}, {"label": "手机", "color": "#2ecc71"}, {"label": "奶茶", "color": "#f1c40f"}, {"label": "电影票", "color": "#9b59b6"}, {"label": "玩偶", "color": "#e67e22"}, {"label": "书籍", "color": "#1abc9c"}, {"label": "咖啡", "color": "#e84393"}, ] self.seg_count = len(self.segments) self.angle_per_seg = 360 / self.seg_count # ----- 状态 ----- self.current_angle = 0 # 当前旋转角度(度) self.is_spinning = False self.animation_id = None # ----- 界面 ----- self.build_ui() self.draw_wheel() def build_ui(self): # 标题 title = tk.Label( self.root, text="🎲 转盘抽奖", font=("Microsoft YaHei", 22, "bold"), fg="#f9d56e", bg="#1e2b3a" ) title.pack(pady=(15, 5)) # 转盘画布 self.canvas_size = 520 self.canvas = tk.Canvas( self.root, width=self.canvas_size, height=self.canvas_size, bg="#0f1a26", highlightthickness=0 ) self.canvas.pack(padx=20, pady=10) # 底部控制区 frame = tk.Frame(self.root, bg="#1e2b3a") frame.pack(pady=(0, 20)) # 结果框 self.result_var = tk.StringVar(value="点击抽奖开始") self.result_label = tk.Label( frame, textvariable=self.result_var, font=("Microsoft YaHei", 14, "bold"), fg="#ffdf8c", bg="#0b141e", width=18, height=2, relief="flat", bd=0, highlightbackground="#ffd966", highlightthickness=2 ) self.result_label.pack(side=tk.LEFT, padx=(0, 15)) # 抽奖按钮 self.spin_btn = tk.Button( frame, text="GO 抽奖", command=self.spin, font=("Microsoft YaHei", 14, "bold"), bg="#c99b1e", fg="#2c1e0a", activebackground="#f9d56e", relief="raised", bd=4, width=10, cursor="hand2" ) self.spin_btn.pack(side=tk.LEFT, padx=5) # 重置按钮 reset_btn = tk.Button( frame, text="↺ 重置", command=self.reset, font=("Microsoft YaHei", 12, "bold"), bg="#2a3b4c", fg="#d9e2ef", activebackground="#31516b", relief="raised", bd=4, width=8, cursor="hand2" ) reset_btn.pack(side=tk.LEFT, padx=5) # ----- 绘制转盘 ----- def draw_wheel(self): self.canvas.delete("all") cx = cy = self.canvas_size / 2 radius = 220 angle_rad = math.radians(self.current_angle) for i, seg in enumerate(self.segments): start = i * self.angle_per_seg + self.current_angle extent = self.angle_per_seg # 画扇形 self.canvas.create_arc( cx - radius, cy - radius, cx + radius, cy + radius, start=start, extent=extent, fill=seg["color"], outline="#ffffff", width=2 ) # 画文字 mid_angle = math.radians(start + extent / 2) text_r = radius * 0.68 tx = cx + text_r * math.cos(mid_angle) ty = cy - text_r * math.sin(mid_angle) # 屏幕Y向下，取反 self.canvas.create_text( tx, ty, text=seg["label"], fill="#fff9e6", font=("Microsoft YaHei", 13, "bold") ) # 中心圆 self.canvas.create_oval( cx - 45, cy - 45, cx + 45, cy + 45, fill="#1a2632", outline="#f9d56e", width=5 ) # 指针 (正上方，三角形指向圆心) pointer_x = cx pointer_y = cy - radius - 10 self.canvas.create_polygon( pointer_x - 18, pointer_y - 25, pointer_x + 18, pointer_y - 25, pointer_x, pointer_y + 20, fill="#f9d56e", outline="#c99b1e", width=2 ) # 中心圆上画 "GO" self.canvas.create_text( cx, cy, text="GO", fill="#f9d56e", font=("Microsoft YaHei", 18, "bold") ) # ----- 开始旋转 ----- def spin(self): if self.is_spinning: return self.is_spinning = True self.spin_btn.config(state="disabled", bg="#888888") self.result_var.set("🎲 抽奖中...") self.result_label.config(fg="#ffdf8c", bg="#0b141e") # 随机终点角度: 至少转 5 圈 + 随机偏移 base_turns = random.randint(5, 8) extra = random.uniform(0, 360) start_angle = self.current_angle % 360 total_rotation = base_turns * 360 + extra end_angle = start_angle + total_rotation duration_ms = random.randint(3000, 3800) start_time = time.time() def animate(): elapsed_ms = (time.time() - start_time) * 1000 progress = min(elapsed_ms / duration_ms, 1.0) # easeOutCubic 缓动 eased = 1 - (1 - progress) ** 3 current = start_angle + total_rotation * eased self.current_angle = current % 360 self.draw_wheel() if progress < 1.0: self.animation_id = self.root.after(16, animate) else: # 动画结束 self.current_angle = end_angle % 360 self.draw_wheel() self.is_spinning = False self.spin_btn.config(state="normal", bg="#c99b1e") self.animation_id = None self.show_result() animate() # ----- 根据指针方向计算奖品 ----- def get_prize(self): # 指针在正上方 (90度方向 in 屏幕坐标，但按数学极角算) # 转盘上每个扇区起始角 = i * angle_per_seg + current_angle # 指针方向 (极角) = 90 度 (正上方, 数学角度) # 需要找出哪个扇区覆盖了 90 度 pointer_angle = 90 # 数学角度，从正右逆时针 # 计算相对于转盘起点的角度差 relative = (pointer_angle - self.current_angle) % 360 # 扇区索引 (注意扇区按极角逆时针排列，但绘制时arc的start从3点钟逆时针) # tkinter的arc: 0度在3点钟，逆时针增加 # 我们的扇区i 起始角 = i*angle_per_seg + current_angle, 占用 angle_per_seg 度 index = int(relative // self.angle_per_seg) % self.seg_count return self.segments[index] def show_result(self): prize = self.get_prize() self.result_var.set(f"🎉 {prize['label']}") if "谢谢" in prize["label"]: self.result_label.config(fg="#ffdf8c", bg="#0b141e") else: self.result_label.config(fg="#fcee8f", bg="#1e331f") # ----- 重置 ----- def reset(self): if self.animation_id is not None: self.root.after_cancel(self.animation_id) self.animation_id = None self.is_spinning = False self.current_angle = 0 self.draw_wheel() self.result_var.set("点击抽奖开始") self.result_label.config(fg="#ffdf8c", bg="#0b141e") self.spin_btn.config(state="normal", bg="#c99b1e") if __name__ == "__main__": root = tk.Tk() app = WheelOfFortune(root) root.mainloop()