java会闪动的爱心代码高级
时间: 2024-05-30 18:06:01 浏览: 175
Java会闪动的爱心代码是一种通过Java语言实现的动态爱心效果,可以用于网页或者桌面应用程序中。具体实现方式如下:
1. 定义一个Java类,继承JPanel类并重写paintComponent方法;
2. 在paintComponent方法中使用Graphics2D对象绘制两个半圆和一个矩形,形成爱心的形状;
3. 使用Timer类来定时改变爱心颜色,使其呈现闪烁效果。
下面是Java实现闪动爱心代码的示例:
```java
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;
public class BlinkingHeart extends JPanel implements ActionListener {
private Timer timer;
public BlinkingHeart() {
timer = new Timer(500, this);
timer.setInitialDelay(0);
timer.start();
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
// 设置抗锯齿
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// 设置爱心颜色
g2d.setColor(getRandomColor());
// 绘制左边的半圆
g2d.fillArc(0, 0, getWidth() / 2, getHeight(), 90, 180);
// 绘制右边的半圆
g2d.fillArc(getWidth() / 2, 0, getWidth() / 2, getHeight(), 90, -180);
// 绘制中间的矩形
g2d.fillRect(getWidth() / 4, getHeight() / 2, getWidth() / 2, getHeight() / 2);
}
@Override
public void actionPerformed(ActionEvent e) {
repaint();
}
private Color getRandomColor() {
int r = (int) (Math.random() * 255);
int g = (int) (Math.random() * 255);
int b = (int) (Math.random() * 255);
return new Color(r, g, b);
}
public static void main(String[] args) {
JFrame frame = new JFrame("Blinking Heart");
frame.add(new BlinkingHeart());
frame.setSize(400, 400);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setVisible(true);
}
}
```
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