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Python实现一笔画游戏
关于一笔画介绍可参见“HTML5实现一笔画游戏”https://blog.csdn.net/cnds123/article/details/136669088
在Python中，Tkinter是一个广泛使用的标准GUI库，我们将使用它来实现这个游戏。
先给出效果图：
连接线段时，必须按照一定的顺序来连接点。
两点间连线方法：从一个点按下鼠标左键拖动到释放。
源码如下：
import tkinter as tk
from math import sqrt# 游戏关卡设置
levels = {"easy": {"points": [{"id": 1, "x": 50, "y": 50},{"id": 2, "x": 150, "y": 50},{"id": 3, "x": 150, "y": 150},{"id": 4, "x": 50, "y": 150}],"lines": [{"start": 1, "end": 2},{"start": 2, "end": 3},{"start": 3, "end": 4},{"start": 4, "end": 1},{"start": 2, "end": 4}]},"medium": {"points": [{"id": 1, "x": 50, "y": 100}, {"id": 2, "x": 150, "y": 100}, {"id": 3, "x": 250, "y": 100}, {"id": 4, "x": 100, "y": 200}, {"id": 5, "x": 200, "y": 200}],"lines": [{"start": 1, "end": 2}, {"start": 2, "end": 3}, {"start": 1, "end": 4}, {"start": 2, "end": 5}, {"start": 3, "end": 5}, {"start": 4, "end": 5}]},"hard": {"points": [{"id": 1, "x": 50, "y": 50}, {"id": 2, "x": 150, "y": 50}, {"id": 3, "x": 250, "y": 50}, {"id": 4, "x": 50, "y": 150}, {"id": 5, "x": 150, "y": 150}, {"id": 6, "x": 250, "y": 150}, {"id": 7, "x": 50, "y": 250}, {"id": 8, "x": 150, "y": 250}, {"id": 9, "x": 250, "y": 250}],"lines": [{"start": 1, "end": 2}, {"start": 2, "end": 3}, {"start": 1, "end": 4}, #{"start": 2, "end": 5}, {"start": 3, "end": 6}, {"start": 4, "end": 5}, #{"start": 5, "end": 6}, {"start": 4, "end": 7}, {"start": 5, "end": 8}, {"start": 6, "end": 9}, {"start": 7, "end": 8}, {"start": 8, "end": 9}]}
}class OneStrokeGame:def __init__(self, master):self.master = masterself.canvas = tk.Canvas(master, width=300, height=300, bg="white")self.canvas.pack()self.start_point = Noneself.last_point_id = Noneself.user_lines = []# 添加难度选择按钮self.easy_button = tk.Button(master, text="简单", command=lambda: self.start_game("easy"))self.easy_button.pack(side="left")self.medium_button = tk.Button(master, text="中等", command=lambda: self.start_game("medium"))self.medium_button.pack(side="left")self.hard_button = tk.Button(master, text="困难", command=lambda: self.start_game("hard"))self.hard_button.pack(side="left")self.preset_points = []self.preset_lines = []self.canvas.bind("<Button-1>", self.on_mouse_down)self.canvas.bind("<ButtonRelease-1>", self.on_mouse_up)def start_game(self, difficulty):level = levels.get(difficulty)if not level:print("未知的难度级别")returnself.preset_points = level["points"]self.preset_lines = level["lines"]self.user_lines = []self.last_point_id = Noneself.draw()def on_mouse_down(self, event):self.start_point = self.get_point_from_mouse_event(event.x, event.y)def on_mouse_up(self, event):end_point = self.get_point_from_mouse_event(event.x, event.y)if self.start_point and end_point and self.start_point["id"] != end_point["id"]:if self.last_point_id is None or self.last_point_id == self.start_point["id"]:if self.is_preset_line(self.start_point["id"], end_point["id"]):self.user_lines.append({"start": self.start_point, "end": end_point})self.last_point_id = end_point["id"]self.draw()else:print("不能绘制原图中不存在的线段。")else:print("必须按顺序连接点。")def get_point_from_mouse_event(self, x, y):for point in self.preset_points:if sqrt((point["x"] - x) ** 2 + (point["y"] - y) ** 2) < 10:return pointreturn Nonedef is_preset_line(self, start_id, end_id):return any(line for line in self.preset_lines if (line["start"] == start_id and line["end"] == end_id) or (line["start"] == end_id and line["end"] == start_id))def draw(self):self.canvas.delete("all")for line in self.preset_lines:start = next(p for p in self.preset_points if p["id"] == line["start"])end = next(p for p in self.preset_points if p["id"] == line["end"])self.canvas.create_line(start["x"], start["y"], end["x"], end["y"], fill="black")for line in self.user_lines:self.canvas.create_line(line["start"]["x"], line["start"]["y"], line["end"]["x"], line["end"]["y"], fill="red")for point in self.preset_points:self.canvas.create_oval(point["x"] - 5, point["y"] - 5, point["x"] + 5, point["y"] + 5, fill="blue")# 检查胜利条件if self.check_win():self.canvas.create_text(150, 150, text="恭喜，你完成了这个难度级别的游戏！", fill="green")def check_win(self):if len(self.user_lines) != len(self.preset_lines):return False# 创建一个用于比较的预设线段副本preset_lines_copy = [line.copy() for line in self.preset_lines]# 检查每个用户线段是否都能在预设线段副本中找到匹配项for user_line in self.user_lines:matching_line = Nonefor line in preset_lines_copy:if ((line["start"] == user_line["start"]["id"] and line["end"] == user_line["end"]["id"]) or(line["start"] == user_line["end"]["id"] and line["end"] == user_line["start"]["id"])):matching_line = linebreakif matching_line:preset_lines_copy.remove(matching_line)else:return Falsereturn True# 创建Tkinter窗口
root = tk.Tk()
root.title("一笔画游戏")# 创建游戏实例
game = OneStrokeGame(root)root.mainloop()
说明，定义不同难度的关卡数据：
const levels = {
"easy ":{
// 定义简单难度的点和线段
},
"medium": {
// 定义中等难度的点和线段
},
"hard": {
// 定义高难度的点和线段
}
};
这些点的 x 和 y 坐标是基于画布的尺寸和布局预设的。你可能需要根据你的具体实现调整这些坐标值，以确保点和线在你的游戏界面中正确显示。此外，这些关卡设计仅作为示例，你可以根据需要调整点和线的数量及布局，创造出更多不同难度的关卡。
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