画一个跳动的爱心代码 python

以下是一个画跳动的爱心的Python代码：

import math
import os
import time

class Heart(object):
    def __init__(self):
        self._points = set() # 原始爱心坐标集合
        self._edge_diffusion_points = set() # 边缘扩散效果点坐标集合
        self._center_diffusion_points = set() # 中心扩散效果点坐标集合
        self.all_points = {} # 每帧动态生成的所有点坐标集合

    def _generate_heart_points(self, x_offset, y_offset):
        for x in range(-14, 15):
            for y in range(-14, 15):
                if (x * 0.04) ** 2 + (y * 0.04) ** 2 - 1 <= 0:
                    self._points.add((x + x_offset, y + y_offset))

    def _generate_diffusion_points(self, points_set, diffusion_set):
        for point in points_set:
            x, y = point
            for i in range(-1, 2):
                for j in range(-1, 2):
                    if i == 0 and j == 0:
                        continue
                    diffusion_set.add((x + i, y + j))

    def _clear_screen(self):
        os.system('cls' if os.name == 'nt' else 'clear')

    def _print_heart(self):
        self._clear_screen()
        for y in range(-15, 15):
            line = ''
            for x in range(-30, 30):
                if (x, y) in self._points:
                    line += '❤️'
                elif (x, y) in self._edge_diffusion_points:
                    line += '*'
                elif (x, y) in self._center_diffusion_points:
                    line += '+'
                else:
                    line += ' '
            print(line)
        time.sleep(0.1)

    def run(self):
        x_offset = 0
        y_offset = -10
        while True:
            self._points.clear()
            self._edge_diffusion_points.clear()
            self._center_diffusion_points.clear()
            self._generate_heart_points(x_offset, y_offset)
            self._generate_diffusion_points(self._points, self._edge_diffusion_points)
            self._generate_diffusion_points(self._edge_diffusion_points, self._center_diffusion_points)
            self.all_points = self._points | self._edge_diffusion_points | self._center_diffusion_points
            self._print_heart()
            x_offset += 1
            y_offset += 1

if __name__ == '__main__':
    heart = Heart()
    heart.run()