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声明：代码是祖传代码，我不知道原创是谁了，修修改改。主要是为了给情侣们用，虽然自己贵为单身狗。
一、花式浪漫爱心（一）
 matlab代码：
clear; clc; close all;
% NOTICE: Your MATLAB version should be at least R2019a !
% --------------------------- functions -------------------------------
f = @(x, y, z)(x.^2 + 2.25*y.^2 + z.^2 - 1).^3 - ...
x.^2.* z.^3 - 0.1125*y.^2.*z.^3;
g = @(x, y, z)(sqrt(x.^2+y.^2)-2.5).^2 + z.^2 - 0.4^2;
% -------------------------- generate data ----------------------------
t = linspace(-5, 5);
[x1, y1, z1] = meshgrid(t);
[x2, y2, z2] = meshgrid(t);
val1 = f(x1, y1, z1);
val2 = g(x2, y2, z2);
[p1, v1] = isosurface(x1, y1, z1, val1, 0);
[p2, v2] = isosurface(x2, y2, z2, val2, 0);
% --------------------------- basic plot ------------------------------
figure()
subplot(1, 1, 1)
h = patch('faces',p1,'vertices',v1,'facevertexcdata',jet(size(v1,1)),...
'facecolor','w','edgecolor','flat'); hold on;
patch('faces',p2,'vertices',v2,'facevertexcdata',jet(size(v2,1)),...
'facecolor','w','edgecolor','flat');
grid on; axis equal; axis([-3,3,-3,3,-1.5,1.5]); view(3)
title(["$(x^2+\frac{9}{4}y^2+z^2-1)^3-x^2z^3-\frac{9}{80}y^2z^3=0$",...
"$(\sqrt{x^2+y^2}-R)^2 +z^2 = r^2$"],'Interpreter','latex','position',[3.3,4])
warning('off');
% 请在此处进行您的演讲！% 请在此处进行您的演讲！
T = suptitle("$I\ Love\ U\ !$");
% 请在此处进行您的演讲！% 请在此处进行您的演讲！
set(T,'Interpreter','latex','FontSize',24)
% -------------------------- generate gif -----------------------------
pic_num = 1;
for i = 1:20
v1 = 0.98 * v1;
set(h, 'vertices', v1); drawnow;
F = getframe(gcf);
I = frame2im(F);
[I,map]=rgb2ind(I,256);
if pic_num == 1
imwrite(I,map,'BeatingHeart.gif','gif','Loopcount',inf,'DelayTime',0.05);
else
imwrite(I,map,'BeatingHeart.gif','gif','WriteMode','append','DelayTime',0.05);
end
pic_num = pic_num + 1;
end
for i = 1:20
v1 = v1 / 0.98;
set(h, 'vertices', v1); drawnow;
F = getframe(gcf);
I = frame2im(F);
[I,map] = rgb2ind(I,256);
imwrite(I,map,'BeatingHeart.gif','gif','WriteMode','append','DelayTime',0.05);
pic_num = pic_num + 1;
end
% ----------------------------- dynamic -------------------------------
while true
for i = 1:20
v1 = 0.98 * v1;
set(h, 'vertices', v1); drawnow;
end
for i = 1:20
v1 = v1 / 0.98;
set(h, 'vertices', v1); drawnow;
end
end
% ------------------------------- end ---------------------------
二、花式浪漫爱心（二）
 matlab代码如下：
%爱心1
clear all
clc
f=@(x,y,z)(x.^2+ (9./4).*y.^2 + z.^2 - 1).^3 - x.^2.*z.^3 - (9./80).*y.^2.*z.^3;
[x,y,z]=meshgrid(linspace(-3,3));
val=f(x,y,z);
[p,v]=isosurface(x,y,z,val,0);
patch('faces',p,'vertices',v,'facevertexcdata',jet(size(v,1)),'facecolor','w','edgecolor','flat');
view(3);grid on;axis equal;
三、花式浪漫爱心（三）
 python代码：
# 1-1导入turtle模块进行设计
import turtle
import time
# 1-2画心形圆弧
def hart_arc():
for i in range(200):
turtle.right(1)
turtle.forward(2)
def move_pen_position(x, y):
turtle.hideturtle() # 隐藏画笔（先）
turtle.up() # 提笔
turtle.goto(x, y) # 移动画笔到指定起始坐标（窗口中心为0,0）
turtle.down() # 下笔
turtle.showturtle() # 显示画笔
love = input("请输入表白话语：")
signature = input("请签署你的名字:")
date = input("请写上日期：")
if love == '':
love = 'I Love You'
# 1-3初始化
turtle.setup(width=800, height=500) # 窗口（画布）大小
turtle.color('red', 'pink') # 画笔颜色
turtle.pensize(3) # 画笔粗细
turtle.speed(1) # 描绘速度
# 初始化画笔起始坐标
move_pen_position(x=0, y=-180) # 移动画笔位置
turtle.left(140) # 向左旋转140度
turtle.begin_fill() # 标记背景填充位置
# 1-4画图和展示
turtle.forward(224) # 向前移动画笔，长度为224
# 画爱心圆弧
hart_arc() # 左侧圆弧
turtle.left(120) # 调整画笔角度
hart_arc() # 右侧圆弧
# 画心形直线（ 右下方 ）
turtle.forward(224)
turtle.end_fill() # 标记背景填充结束位置
move_pen_position(x=70, y=160) # 移动画笔位置
turtle.left(185) # 向左旋转180度
turtle.circle(-110, 185) # 右侧圆弧
# 画心形直线（ 右下方 ）
# turtle.left(20) # 向左旋转180度
turtle.forward(50)
move_pen_position(x=-180, y=-180) # 移动画笔位置
turtle.left(180) # 向左旋转140度
# 画心形直线（ 左下方 ）
turtle.forward(600) # 向前移动画笔，长度为224
# 在心形中写上表白话语
move_pen_position(0, 50) # 表白语位置
turtle.hideturtle() # 隐藏画笔
turtle.color('#CD5C5C', 'pink') # 字体颜色
# font:设定字体、尺寸（电脑下存在的字体都可设置） align:中心对齐
turtle.write(love, font=('Arial', 20, 'bold'), align="center")
# 签写署名和日期
if (signature != '') & (date != ''):
turtle.color('red', 'pink')
time.sleep(2)
move_pen_position(220, -180)
turtle.hideturtle() # 隐藏画笔
turtle.write(signature, font=('Arial', 20), align="center")
move_pen_position(220, -220)
turtle.hideturtle() # 隐藏画笔
turtle.write(date, font=('Arial', 20), align="center")
# 1-5点击窗口关闭程序
window = turtle.Screen()
window.exitonclick()
四、花式浪漫（四）
python代码：
# coding=gbk
"""
作者：川川
@时间 : 2022/5/20 2:50
"""
import turtle
import random
def love(x,y):#在(x,y)处画爱心lalala
lv=turtle.Turtle()
lv.hideturtle()
lv.up()
lv.goto(x,y)#定位到(x,y)
def curvemove():#画圆弧
for i in range(20):
lv.right(10)
lv.forward(2)
lv.color('red','pink')
lv.speed(10000000)
lv.pensize(1)
#开始画爱心lalala
lv.down()
lv.begin_fill()
lv.left(140)
lv.forward(22)
curvemove()
lv.left(120)
curvemove()
lv.forward(22)
lv.write("思思",font=("Arial",12,"normal"),align="center")
lv.left(140)#画完复位
lv.end_fill()
def tree(branchLen,t):
if branchLen > 5:#剩余树枝太少要结束递归
if branchLen |