爱心源码，Java版本写得三种呈现效果的爱心源码分享

package cn.personal.demo09; import javax.swing.*; import java.awt.*; public class LoveHeart extends JFrame { private static final long serialVersionUID = -1284128891908775645L; // 定义加载窗口大小 public static final int GAME_WIDTH = 500; public static final int GAME_HEIGHT = 500; // 获取屏幕窗口大小 public static final int WIDTH = Toolkit.getDefaultToolkit().getScreenSize().width; public static final int HEIGHT = Toolkit.getDefaultToolkit().getScreenSize().height; public LoveHeart() { // 设置窗口标题 this.setTitle("心形曲线"); // 设置窗口初始位置 this.setLocation((WIDTH - GAME_WIDTH) / 2, (HEIGHT - GAME_HEIGHT) / 2); // 设置窗口大小 this.setSize(GAME_WIDTH, GAME_HEIGHT); // 设置背景色 this.setBackground(Color.BLACK); // 设置窗口关闭方式 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 设置窗口显示 this.setVisible(true); } @Override public void paint(Graphics g) { double x, y, r; Image OffScreen = createImage(GAME_WIDTH, GAME_HEIGHT); Graphics drawOffScreen = OffScreen.getGraphics(); for (int i = 0; i < 90; i++) { for (int j = 0; j < 90; j++) { r = Math.PI / 45 * i * (1 - Math.sin(Math.PI / 45 * j)) * 18; x = r * Math.cos(Math.PI / 45 * j) * Math.sin(Math.PI / 45 * i) + GAME_WIDTH / 2; y = -r * Math.sin(Math.PI / 45 * j) + GAME_HEIGHT / 4; //设置画笔颜色 drawOffScreen.setColor(Color.red); // 绘制椭圆 drawOffScreen.fillOval((int) x, (int) y, 2, 2); } // 生成图片 g.drawImage(OffScreen, 0, 0, this); } } public static void main(String[] args) { LoveHeart demo = new LoveHeart(); demo.setVisible(true); } }