用Python简陋模拟n阶魔方

一、前言

终于整完了毕业论文，忙里偷闲半小时摸了个魔方模拟程序，支持模拟任意阶魔方，自动打乱，输入指令旋转。显示方面不会弄3D的，用opencv整了个展开图。

二、效果

五阶魔方打乱20步

震撼人心50阶，打乱100步

三、代码

import cv2
import numpy as np
from random import randint


class Cube:
    def __init__(self, order=3, size=50):  # 魔方阶数、显示尺寸
        self.img = np.zeros((4 * size * order, 3 * size * order, 3), dtype=np.uint8)
        self.order = order
        self.size = size
        self.len = size * order
        self.top = [['y'] * order for _ in range(order)]
        self.front = [['r'] * order for _ in range(order)]
        self.left = [['b'] * order for _ in range(order)]
        self.right = [['g'] * order for _ in range(order)]
        self.back = [['o'] * order for _ in range(order)]
        self.bottom = [['w'] * order for _ in range(order)]
        self.axis_rotate = (self.base_rotate_x, self.base_rotate_y, self.base_rotate_z)
        self.color = {'y': (0, 255, 255), 'r': (0, 0, 255), 'b': (255, 0, 0),
                      'g': (0, 255, 0), 'o': (0, 128, 255), 'w': (255, 255, 255)}

    def check(self):  # 检测魔方是否还原
        for i in range(self.order):
            for j in range(self.order):
                if self.top[i][j] != self.top[0][0]:
                    return False
                if self.back[i][j] != self.back[0][0]:
                    return False
                if self.front[i][j] != self.front[0][0]:
                    return False
                if self.left[i][j] != self.left[0][0]:
                    return False
                if self.right[i][j] != self.right[0][0]:
                    return False
                if self.bottom[i][j] != self.bottom[0][0]:
                    return False
        return True

    def show(self, wait=0):  # 显示魔方展开图
        for i in range(self.order):
            for j in range(self.order):
                # back
                x, y = self.len + i * self.size, j * self.size
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), self.color[self.back[j][i]], -1)
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), (10, 10, 10), 1)
                # left
                x, y = i * self.size, self.len + j * self.size
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), self.color[self.left[j][i]], -1)
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), (10, 10, 10), 1)
                # top
                x, y = self.len + i * self.size, self.len + j * self.size
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), self.color[self.top[j][i]], -1)
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), (10, 10, 10), 1)
                # right
                x, y = 2 * self.len + i * self.size, self.len + j * self.size
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), self.color[self.right[j][i]], -1)
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), (10, 10, 10), 1)
                # front
                x, y = self.len + i * self.size, 2 * self.len + j * self.size
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), self.color[self.front[j][i]], -1)
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), (10, 10, 10), 1)
                # bottom
                x, y = self.len + i * self.size, 3 * self.len + j * self.size
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), self.color[self.bottom[j][i]], -1)
                cv2.rectangle(self.img, (x, y), (x + self.size, y + self.size), (10, 10, 10), 1)
        cv2.imshow('cube', self.img)
        cv2.waitKey(wait)

    def shuffle(self, times):  # 打乱魔方
        for _ in range(times):
            self.rotate(randint(0, 2), randint(0, self.order - 1), randint(0, 3))

    def rotate(self, axis, index, times):  # 旋转魔方：axis轴，第index层，逆时针times次
        for _ in range(times):
            self.axis_rotate[axis](index)

    def count(self, color='y'):
        count = 0
        for i in range(self.order):
            for j in range(self.order):
                if self.top[i][j] == color:
                    count += 1
        return count

    @staticmethod
    def _column_trans(surface, index, col):
        for i, r in enumerate(surface):
            r[index] = col[i]

    def base_rotate_x(self, index):
        if index == 0:
            self.left = [list(c) for c in zip(*self.left)][::-1]
        elif index == self.order - 1:
            self.right = [list(c)[::-1] for c in zip(*self.right)]
        temp = [r[index] for r in self.top]
        self._column_trans(self.top, index, [r[index] for r in self.front])
        self._column_trans(self.front, index, [r[index] for r in self.bottom])
        self._column_trans(self.bottom, index, [r[index] for r in self.back])
        self._column_trans(self.back, index, temp)

    def base_rotate_y(self, index):
        if index == 0:
            self.back = [list(c)[::-1] for c in zip(*self.back)]
        elif index == self.order - 1:
            self.front = [list(c) for c in zip(*self.front)][::-1]
        temp = self.left[index][::-1]
        self.left[index] = self.top[index]
        self.top[index] = self.right[index]
        self.right[index] = self.bottom[self.order - index - 1][::-1]
        self.bottom[self.order - index - 1] = temp

    def base_rotate_z(self, index):
        if index == 0:
            self.top = [list(c) for c in zip(*self.top)][::-1]
        elif index == self.order - 1:
            self.bottom = [list(c)[::-1] for c in zip(*self.bottom)]
        temp = self.front[index][::-1]
        self.front[index] = [r[self.order - index - 1] for r in self.left]
        self._column_trans(self.left, self.order - index - 1, self.back[self.order - index - 1][::-1])
        self.back[self.order - index - 1] = [r[index] for r in self.right]
        self._column_trans(self.right, index, temp)


cube = Cube(3, 50)
cube.shuffle(100)
while True:
    cube.show(1)
    cube.rotate(*(int(c) for c in input('axis,index,times:').split()))
    if cube.check():
        break
print('Congratulations')
cube.show(0)

到此这篇关于用Python简陋模拟n阶魔方的文章就介绍到这了,更多相关pytho模拟魔方内容请搜索三水点靠木以前的文章或继续浏览下面的相关文章希望大家以后多多支持三水点靠木！