java swing实现动态心形图案的代码下载

野性酷女 2022-08-27 13:42 153阅读 0赞

代码下载地址：[http://www.zuidaima.com/share/1852319645518848.htm][http_www.zuidaima.com_share_1852319645518848.htm]

原文：[java swing实现动态心形图案的代码下载][http_www.zuidaima.com_share_1852319645518848.htm]

package com.zuidaima.swing;
    
    import java.awt.Color;
    import java.awt.Graphics;
    import java.awt.Image;
    import java.awt.Toolkit;
    
    import javax.swing.JFrame;
    
    @SuppressWarnings("serial")
    class Cardioid extends JFrame {
    	// 定义窗口大小
    	private static final int WIDTH = 480;
    	private static final int HEIGHT = 600;
    
    	// 获取屏幕大小
    	private static int WINDOW_WIDTH = Toolkit.getDefaultToolkit()
    			.getScreenSize().width;
    	private static int WINDOW_HEIGHT = Toolkit.getDefaultToolkit()
    			.getScreenSize().height;
    
    	// 构造函数
    	public Cardioid() {
    		// 设置窗口标题
    		super("?形线");
    		// 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);
    		// 设置窗口默认关闭方式
    		this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    	}
    
    	public void paint(Graphics g) {
    
    		double x, y, r; // 横纵坐标及半径
    		Image image = this.createImage(WIDTH, HEIGHT);
    		Graphics pic = image.getGraphics();
    
    		// 绘制图形
    		for (int i = 0; i < 100; i++) {
    			for (int j = 0; j < 100; j++) {
    				r = Math.PI / 45 + 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)
    						+ WIDTH / 2;
    
    				y = -r * Math.sin(Math.PI / 45 * j) + HEIGHT / 2;
    
    				pic.setColor(Color.MAGENTA);
    				pic.fillOval((int) x, (int) y, 2, 2);
    			}
    			// 生成图片
    			g.drawImage(image, 0, 0, this);
    
    		}
    
    	}
    
    	public static void main(String[] args) {
    
    		new Cardioid();
    	}
    
    }

![20140604221923130.png][]

[http_www.zuidaima.com_share_1852319645518848.htm]: http://www.zuidaima.com/share/1852319645518848.htm
[20140604221923130.png]: http://www.zuidaima.com/images/1/201406/20140604221923130.png