七夕限定——利用编程制作玫瑰
本帖最后由 懒男孩 于 2021-8-8 15:08 编辑> 本帖最后由 懒男孩 于 2021-8-8 12:57 编辑
> 本帖最后由 懒男孩 于 2021-8-8 12:56 编辑
# Python版本动态画玫瑰
## 代码
```cpp
import turtle
# 设置初始位置
turtle.penup()
turtle.left(90)
turtle.fd(200)
turtle.pendown()
turtle.right(90)
# 花蕊
turtle.fillcolor("red")
turtle.begin_fill()
turtle.circle(10, 180)
turtle.circle(25, 110)
turtle.left(50)
turtle.circle(60, 45)
turtle.circle(20, 170)
turtle.right(24)
turtle.fd(30)
turtle.left(10)
turtle.circle(30, 110)
turtle.fd(20)
turtle.left(40)
turtle.circle(90, 70)
turtle.circle(30, 150)
turtle.right(30)
turtle.fd(15)
turtle.circle(80, 90)
turtle.left(15)
turtle.fd(45)
turtle.right(165)
turtle.fd(20)
turtle.left(155)
turtle.circle(150, 80)
turtle.left(50)
turtle.circle(150, 90)
turtle.end_fill()
# 花瓣1
turtle.left(150)
turtle.circle(-90, 70)
turtle.left(20)
turtle.circle(75, 105)
turtle.setheading(60)
turtle.circle(80, 98)
turtle.circle(-90, 40)
# 花瓣2
turtle.left(180)
turtle.circle(90, 40)
turtle.circle(-80, 98)
turtle.setheading(-83)
# 叶子1
turtle.fd(30)
turtle.left(90)
turtle.fd(25)
turtle.left(45)
turtle.fillcolor("green")
turtle.begin_fill()
turtle.circle(-80, 90)
turtle.right(90)
turtle.circle(-80, 90)
turtle.end_fill()
turtle.right(135)
turtle.fd(60)
turtle.left(180)
turtle.fd(85)
turtle.left(90)
turtle.fd(80)
# 叶子2
turtle.right(90)
turtle.right(45)
turtle.fillcolor("green")
turtle.begin_fill()
turtle.circle(80, 90)
turtle.left(90)
turtle.circle(80, 90)
turtle.end_fill()
turtle.left(135)
turtle.fd(60)
turtle.left(180)
turtle.fd(60)
turtle.right(90)
turtle.circle(200, 60)
turtle.pendown()
turtle.done()
```
## 效果
!(data/attachment/forum/202108/08/150517pznuqv4ofx4vdhnu.gif?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "b653181a2c6bcf25017f144b3096fd02.gif")
# c语言画心形
## 代码
```cpp
#include <stdio.h>
#include <math.h>
int main()
{
//FILE *fp = fopen("graph.txt", "w+");
float x, y, f;
for(y = 1.6; y >= -1.6; y -= 0.15){
for(x = -1.1; x <= 1.1; x += 0.05){
f = x*x + pow(y - pow(x*x, 1.0/3), 2) - 1; //函数方程
//fputc(f <= 1E-5 ? '*' : ' ', fp);
putchar(f <= 1E-5 ? '*' : ' ');
}
//fputc('\n', fp);
putchar('\n');
}
for(y = 1.6; y >= -1.6; y -= 0.15){
for(x = -1.1; x <= 1.1; x += 0.05){
f = x*x + pow(y - pow(x*x, 1.0/3), 2) - 1; //函数方程
//fputc(f > 1E-5 ? '*' : ' ', fp);
putchar(f > 1E-5 ? '*' : ' ');
}
//fputc('\n', fp);
putchar('\n');
}
//fclose(fp);
return 0;
}
```
> 由于c没有图形界面，只有在控制台输出啦
!(data/attachment/forum/202108/08/150541xqbjg1fgtjquoelz.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "125340telce332u5eaac37.png")
# matlab画3D玫瑰
## 代码
```cpp
function drawrose
grid on
=meshgrid((0:24)./24,(0:0.5:575)./575.*20.*pi+4*pi);
p=(pi/2)*exp(-t./(8*pi));
change=sin(15*t)/150;
u=1-(1-mod(3.6*t,2*pi)./pi).^4./2+change;
y=2*(x.^2-x).^2.*sin(p);
r=u.*(x.*sin(p)+y.*cos(p));
h=u.*(x.*cos(p)-y.*sin(p));
map=[1.0000 0.6471 0.8275
0.9984 0.6353 0.8130
0.9969 0.6236 0.7985
0.9953 0.6118 0.7840
0.9937 0.6000 0.7695
0.9921 0.5882 0.7550
0.9906 0.5765 0.7404
0.9890 0.5647 0.7259
0.9874 0.5529 0.7114
0.9859 0.5412 0.6969
0.9843 0.5294 0.6824
0.9757 0.5149 0.6730
0.9670 0.5004 0.6636
0.9584 0.4859 0.6541
0.9498 0.4714 0.6447
0.9411 0.4568 0.6353
0.9325 0.4423 0.6259
0.9239 0.4278 0.6165
0.9153 0.4133 0.6070
0.9066 0.3988 0.5976
0.8980 0.3843 0.5882
0.8937 0.3780 0.5756
0.8894 0.3718 0.5631
0.8851 0.3655 0.5505
0.8808 0.3592 0.5380
0.8764 0.3529 0.5254
0.8721 0.3467 0.5129
0.8678 0.3404 0.5003
0.8635 0.3341 0.4878
0.8592 0.3279 0.4752
0.8549 0.3216 0.4627
0.8561 0.3165 0.4596
0.8573 0.3114 0.4564
0.8584 0.3063 0.4533
0.8596 0.3012 0.4502
0.8608 0.2961 0.4471
0.8620 0.2910 0.4439
0.8632 0.2859 0.4408
0.8643 0.2808 0.4377
0.8655 0.2757 0.4345
0.8667 0.2706 0.4314
0.8549 0.2620 0.4165
0.8432 0.2533 0.4016
0.8314 0.2447 0.3867
0.8196 0.2361 0.3718
0.8078 0.2274 0.3569
0.7961 0.2188 0.3420
0.7843 0.2102 0.3271
0.7725 0.2016 0.3122
0.7608 0.1929 0.2973
0.7490 0.1843 0.2824
0.7553 0.1827 0.2855
0.7616 0.1812 0.2887
0.7678 0.1796 0.2918
0.7741 0.1780 0.2949
0.7804 0.1764 0.2980
0.7867 0.1749 0.3012
0.7930 0.1733 0.3043
0.7992 0.1717 0.3074
0.8055 0.1702 0.3106
0.8118 0.1686 0.3137
0.7977 0.1631 0.3023
0.7836 0.1576 0.2910
0.7694 0.1521 0.2796
0.7553 0.1466 0.2682
0.7412 0.1411 0.2569
0.7271 0.1357 0.2455
0.7130 0.1302 0.2341
0.6988 0.1247 0.2227
0.6847 0.1192 0.2114
0.6706 0.1137 0.2000
0.6686 0.1141 0.1996
0.6667 0.1145 0.1992
0.6647 0.1149 0.1988
0.6628 0.1153 0.1984
0.6608 0.1157 0.1981
0.6588 0.1160 0.1977
0.6569 0.1164 0.1973
0.6549 0.1168 0.1969
0.6530 0.1172 0.1965
0.6510 0.1176 0.1961];
set(gca,'CameraPosition',)
hold on
surface(r.*cos(t),r.*sin(t),h,'EdgeAlpha',0.1,...
'EdgeColor',,'FaceColor','interp')
colormap(map)
end
```
## 效果
上传失败......
# java画玫瑰线
## 代码
```cpp
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
public class RoseJFrame extends JFrame implements ActionListener {
private RoseCanvas canvas;
public RoseJFrame() {
super("四叶玫瑰线");
Dimension dim = getToolkit().getScreenSize();
this.setBounds(dim.width/4, dim.height/4, dim.width/2, dim.height/2);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
JPanel jpanel = new JPanel();
this.getContentPane().add(jpanel, "North");
JButton button_color = new JButton("选择颜色");
jpanel.add(button_color);
button_color.addActionListener(this);
this.canvas = new RoseCanvas(Color.red);
this.getContentPane().add(this.canvas, "Center");
this.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
Color c = JColorChooser.showDialog(this, "选择颜色", Color.blue);
this.canvas.setColor(c);
this.canvas.repaint();
}
public static void main(String args[])
{
new RoseJFrame();
}
class RoseCanvas extends Canvas {
private Color color;
public RoseCanvas(Color color) {
this.setColor(color);
}
public void setColor(Color color) {
this.color = color;
}
public void paint(Graphics g) {
int x0 = this.getWidth() / 2;
int y0 = this.getHeight() / 2;
g.setColor(this.color);
g.drawLine(x0, 0, x0, y0 * 2);
g.drawLine(0, y0, x0*2, y0);
for (int j = 40; j < 100; j += 20)
for (int i = 0; i < 1024; i++) {
double angle = i*Math.PI/512;
double radius = j*Math.sin(8*angle);
int x = (int)Math.round(radius * Math.cos(angle) * 2);
int y = (int)Math.round(radius * Math.sin(angle));
g.fillOval(x0 + x, y0 + y*2, 2, 2);
}
}
}
}
```
# html动态玫瑰玫瑰
## 代码
```cpp
<!DOCTYPE html>
<html>
<head>
<title>flower</title>
<meta charset="utf-8">
</head>
<body>
<h1 align="center">A beautiful flower for the most beautiful person under the sun</h1>
<br>
<h1 align="center">LOVE</h1>
<p style="text-align: center;">
<canvas id="c" height="500" width="500"></canvas>
<script>
var b = document.body;
var c = document.getElementsByTagName('canvas');
var a = c.getContext('2d');
document.body.clientWidth;
</script>
<script>
with(m=Math)C=cos,S=sin,P=pow,R=random;c.width=c.height=f=500;h=-250;function p(a,b,c){if(c>60)return;A=a*2-1;B=b*2-1;if(A*A+B*B<1){if(c>37){n=(j=c&1)?6:4;o=.5/(a+.01)+C(b*125)*3-a*300;w=b*h;return}if(c>32){c=c*1.16-.15;o=a*45-20;w=b*b*h;z=o*S(c)+w*C(c)+620;return}o=A*(2-b)*(80-c*2);w=99-C(A)*120-C(b)*(-h-c*4.9)+C(P(1-b,7))*50+c*2;z=o*S(c)+w*C(c)+700;return}}setInterval('for(i=0;i<1e4;i++)if(s=p(R(),R(),i%46/.74)){z=s;x=~~(s*f/z-h);y=~~(s*f/z-h);if(!m|m>z)m=z,a.fillStyle="rgb("+~(s*h)+","+~(s*h)+","+~(s*s*-80)+")",a.fillRect(x,y,1,1)}',0)
</script><br>
</p>
</body>
</html>
```
## 效果
!(data/attachment/forum/202108/08/150801oy2crxyvxx8cvv8v.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/300 "Snipaste_2021-08-08_15-07-46.png")
ggnb!可惜用不上
ggnb!可惜用不上 ggnb！可惜用不上（不因为没有人，而是我有对象） unity韩 发表于 2021-8-8 13:17
ggnb！可惜用不上（不因为没有人，而是我有对象）
有对象可以给对象看啊 gif没加载出来 png也没加载出来 不想动手的看不到效果...... 懒男孩 发表于 2021-8-8 13:19
有对象可以给对象看啊
他这高级凡尔赛 受不了了 syy 发表于 2021-8-8 14:53
gif没加载出来 png也没加载出来 不想动手的看不到效果......
又重新上传了一次，呜呜呜 懒男孩 发表于 2021-8-8 15:08
又重新上传了一次，呜呜呜
噢！！！！！可以啦~~~~
ggnb！可惜用不上（不因为没有人，而是我有对象）
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