package 表白小程序;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Toolkit;
import javax.swing.JFrame;
public class Like extends JFrame {
//获取屏幕大小
private static final int WIDTH=500;
private static final int HEIGHT=500;
private static int WINDOW_WIDTH=Toolkit.getDefaultToolkit().getScreenSize().width;
private static int WINDOW_HEIGHT=Toolkit.getDefaultToolkit().getScreenSize().height;
public Like() {
super("I love you ");//设置窗口标题
this.setBackground(Color.BLACK);
this.setLocation((WINDOW_WIDTH-WIDTH)/2, (WINDOW_HEIGHT-HEIGHT)/2);//设置窗口位置
this.setSize(WIDTH,HEIGHT);//设置窗口大小
this.setLayout(getLayout());//设置窗口布局
this.setVisible(true);//设置窗口可见
this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);//设置窗口默认关闭形式
}
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();
for (int i=-2;i<90;i++) {
for (int j=-2;j<90;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/3;
pic.setColor(Color.MAGENTA);
pic.fillOval((int)x,(int)y,2,2);
}
g.drawImage(image, 0, 0, this);
}
}
public static void main(String[]args) {
new Like();
}
}
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