一个Java程序员用数学的魅力: 祝福天下所有母亲-节日快乐!!!
源代码:
import lombok.SneakyThrows;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.*;
import java.io.File;
import java.io.IOException;
/**
* 母亲节的礼物
*/
public class MothersDayGift extends JFrame {
private static final long serialVersionUID = -1284128891908775645L;
// 定义加载窗口大小
public static final int GAME_WIDTH = 800;
public static final int GAME_HEIGHT = 690;
// 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 MothersDayGift() throws IOException {
// 设置窗口标题
this.setTitle("母亲节快乐");
// 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);
// 设置窗口关闭方式
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
// 设置窗口显示
this.setVisible(true);
}
@SneakyThrows
@Override
public void paint(Graphics g) {
Image OffScreen = ImageIO.read(new File("/1.png"));
Graphics drawOffScreen = OffScreen.getGraphics();
buildLove(drawOffScreen, g, OffScreen);
drawOffScreen.setFont(new Font("Serief", Font.BOLD + Font.ITALIC, 30));
drawOffScreen.drawString("祝愿天下所有母亲,节日快乐❤ ❤ ❤", 150, 50);
g.drawImage(OffScreen, 0, 0, this);
}
public static void main(String[] args) throws IOException {
MothersDayGift mothersDayGift = new MothersDayGift();
mothersDayGift.setVisible(true);
}
private void buildLove(Graphics drawOffScreen, Graphics g, Image OffScreen) {
double x, y, r;
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)
+ 500 / 2;
y = -r * Math.sin(Math.PI / 45 * j) + 500 / 4;
//设置画笔颜色
drawOffScreen.setColor(Color.RED);
// 绘制3D矩形
drawOffScreen.fill3DRect((int) x, (int) y, 2, 2, Boolean.TRUE);
}
}
}
}