這是一篇用python畫3D愛心的程式碼

import time

import numpy as np

import matplotlib.pyplot as plt

class Guess:

     def __init__(self, bbox=(-1.5, 1.5), resolution=50, lines=20, scale=1.2) -> None:

         self.xmin, self.xmax, self.ymin, self.ymax, self.zmin, self.zmax = bbox*3

         plt.ion()

         self.scale = scale

         self.time = time.time()

         A = np.linspace(self.xmin, self.xmax, resolution)

         self.B = np.linspace(self.xmin, self.xmax, lines)

         self.A1, self.A2 = np.meshgrid(A, A)

     def coordinate(self, x, y, z):

         return (x**2+(9/4)*y**2+z**2-1)**3-x**2*z**3-(9/80)*y**2*z**3

     def draw(self, ax, coef):

         for z in self.B:

             X, Y = self.A1, self.A2

             Z = self.coordinate(X, Y, z)+z

             cset =跟單網gendan5.com ax.contour(X * coef, Y * coef, Z * coef, [z * coef], zdir='z', colors=('pink',))

         for y in self.B:

             X, Z = self.A1, self.A2

             Y = self.coordinate(X, y, Z)+y

             cset = ax.contour(X * coef, Y * coef, Z * coef, [y * coef], zdir='y', colors=('pink',))

         for x in self.B:

             Y, Z = self.A1, self.A2

             X = self.coordinate(x, Y, Z) + x

             cset = ax.contour(X * coef, Y * coef, Z * coef, [x * coef], zdir='x', colors=('pink',))

     def run(self, count):

         fig = plt.figure()

         for i in range(count):

             plt.clf()

             ax = fig.add_subplot(projection='3d')

             ax.set_title("2LiuYu")

             ax.set_zlim3d(self.zmin, self.zmax)

             ax.set_xlim3d(self.xmin, self.xmax)

             ax.set_ylim3d(self.ymin, self.ymax)

             times = time.time()-self.time

             ax.view_init(10, 100+np.cos(times) * 10)

             coef = np.cos(times) * (self.scale-1) + 1

             self.draw(ax, coef)

             plt.pause(0.01)

             plt.show()

if __name__ == '__main__':

     demo = Guess()

     demo.run(1000)