package com.example.test;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Image;

import java.awt.Toolkit; import java.util.jar.JarOutputStream;

import javax.swing.JFrame;

class Cardioid extends JFrame {

//定义窗口大小

private static final int WIDTH = 900;

private static final int HEIGHT = 800;

//获取屏幕大小

private static final int WINDOW_WIDTH = Toolkit.getDefaultToolkit().getScreenSize().width;

private static final int WINDOW_HEIGHT = Toolkit.getDefaultToolkit().getScreenSize().height;

//构造函数

public Cardioid() {

//设置窗口标题

super("♥爱心");

//设置背景色

this.setBackground(Color.BLACK);

//设置窗口位置

this.setLocation((WINDOW_WIDTH - WIDTH) / 2, (WINDOW_HEIGHT - HEIGHT) / 2);

//设置窗口大小

this.setSize(WIDTH, HEIGHT);

//设置窗口布局

this.setLayout(getLayout());

//设置窗口可见

this.setVisible(true);

//设置窗口的默认关闭方式

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

//图形函数

public void paint(Graphics g) {

//横纵坐标及半径

double x, y, r;

//绘制图形 double z = 0.0; double size=10; int jj=0; while (true) {

Image image = this.createImage(WIDTH, HEIGHT);

        Graphics pic = image.getGraphics();
         if (jj%2==0){
             size=14.5;
         }else {
             size=15;
         }
        for (int ii = 30; ii > 0; ii--) {
            Color color = new Color(255, 175, (int) (20 * Math.random()) + 220);
            for (int i = 1; i < 400; i++) {

// try { // Thread.sleep(10); // } catch (InterruptedException e) { // e.printStackTrace(); // } int px = (int) (Math.random() * 10); int py = (int) (Math.random() * 10); x = 16 * (Math.sin(z) * Math.sin(z) * Math.sin(z)) * (size) + Math.pow((-1), px) * Math.random() * ii * Math.sqrt(ii) + WIDTH / 2; y = -(13 * Math.cos(z) - 5 * Math.cos(2 * z) - 2 * Math.cos(3 * z) - Math.cos(4 * z)) * (size) + Math.pow((-1), py) * Math.random() * ii * Math.sqrt(ii) + HEIGHT * 1 / 3; z += (Math.PI / 2.0) / 80; pic.setColor(color); // pic.setColor(new Color(0, 255, 255)); pic.fillOval((int) x, (int) y, 2, 2);

// g.drawImage(image, 0, 0, this);

}

// if (ii < 12) { // g.drawImage(image, 0, 0, this); // try { // Thread.sleep(100); // } catch (InterruptedException e) { // e.printStackTrace(); // } // } if (ii < 3) { pic.setFont(new Font("楷体", Font.BOLD, 40));//设置字体 pic.setColor(Color.pink); pic.drawString("Love You", WIDTH / 2 - 100, 240);//绘制字符串 pic.drawString("Forever", WIDTH / 2, 280);//绘制字符串 g.drawImage(image, 0, 0, this); } } jj++; if (jj>100){ break; } try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); } } }

}

public class Love {

public static void main(String[] args) {

    new Cardioid();

}

}