软件价值13-水族箱

用java程序模拟的水族箱。

想象：

在这个喧嚣的世界中，总是有一些角落让人感到宁静、美丽和惬意。水族箱就是其中之一。闭上眼睛，想象一下，透过清澈的玻璃，你仿佛看到了一个小小的海洋世界，那里栖息着各色各样的鱼儿。

在这个水族箱里，水清澈见底，微光透过水面洒下，投射出斑斓的光影。在这柔和的光线下，鱼儿们如梦幻般地穿梭来回，它们的身影时隐时现，仿佛在跳着优美的舞蹈。

这个水族箱仿佛是一个小小的海洋世界，充满了生机与活力。每一条鱼儿都是如此美丽、灵动，它们的存在让整个空间充满了生命的力量，让人心情愉悦，仿佛身临其境般感受到了大自然的美妙。在这里，你可以忘却烦恼，感受到内心的平静和安宁。

打开你的心扉，让这个水族箱带给你一份宁静和美好，让那些灵动的鱼儿在你的心灵深处留下美好的印记。

截图：

代码：

import java.awt.Component;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.Random;

class Fish {
	Component tank;

	Image image1;

	Image image2;

	Point location;

	Point velocity;

	Rectangle edges;

	Random random;

	public Fish(Image image1, Image image2, Rectangle edges, Component tank) {
		random = new Random(System.currentTimeMillis());
		this.tank = tank;
		this.image1 = image1;
		this.image2 = image2;
		this.edges = edges;
		this.location = new Point(100 + (Math.abs(random.nextInt()) % 300),
				100 + (Math.abs(100 + random.nextInt()) % 100));

		this.velocity = new Point(random.nextInt() % 8, random.nextInt() % 8);
	}

	public void swim() {
		if(random.nextInt() % 7 <= 1) {
			velocity.x += random.nextInt() % 4;

			velocity.x = Math.min(velocity.x, 8);
			velocity.x = Math.max(velocity.x, -8);

			velocity.y += random.nextInt() % 4;

			velocity.y = Math.min(velocity.y, 8);
			velocity.y = Math.max(velocity.y, -8);
		}

		location.x += velocity.x;
		location.y += velocity.y;

		if(location.x < edges.x) {
			location.x = edges.x;
			velocity.x = -velocity.x;
		}

		if((location.x + image1.getWidth(tank)) > (edges.x + edges.width)) {
			location.x = edges.x + edges.width - image1.getWidth(tank);
			velocity.x = -velocity.x;
		}

		if(location.y < edges.y) {
			location.y = edges.y;
			velocity.y = -velocity.y;
		}

		if((location.y + image1.getHeight(tank)) > (edges.y + edges.height)) {
			location.y = edges.y + edges.height - image1.getHeight(tank);
			velocity.y = -velocity.y;
		}
	}

	public void drawFishImage(Graphics g) {
		if(velocity.x < 0) {
			g.drawImage(image1, location.x, location.y, tank);
		} else {
			g.drawImage(image2, location.x, location.y, tank);
		}
	}

}

import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.MediaTracker;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.net.URL;
import java.util.Vector;

public class Test extends Frame implements Runnable {
	private static final long serialVersionUID = 1L;

	Image aquariumImage, memoryImage;

	Graphics memoryGraphics;

	int numberFish = 8;

	int sleepTime = 110;

	Vector fishes = new Vector();

	boolean runOK = true;

	Image[] fishImages = new Image[2];

	MediaTracker tracker;

	Thread thread;

	Test() {
		setTitle("The Aquarium");
		tracker = new MediaTracker(this);

		URL fish1Address = getClass().getResource("resource/fish1.gif");
		URL fish2Address = getClass().getResource("resource/fish2.gif");
		URL bubblesAddress = getClass().getResource("resource/tank.jpg");

		fishImages[0] = Toolkit.getDefaultToolkit().getImage(fish1Address);
		tracker.addImage(fishImages[0], 0);

		fishImages[1] = Toolkit.getDefaultToolkit().getImage(fish2Address);
		tracker.addImage(fishImages[1], 0);
		
		aquariumImage = Toolkit.getDefaultToolkit().getImage(bubblesAddress);
		tracker.addImage(aquariumImage, 0);

		try {
			tracker.waitForID(0);
		} catch(Exception ex) {
			System.out.println(ex.getMessage());
		}

		setSize(aquariumImage.getWidth(this), aquariumImage.getHeight(this));

		setResizable(false);

		setVisible(true);

		memoryImage = createImage(getSize().width, getSize().height);
		memoryGraphics = memoryImage.getGraphics();

		thread = new Thread(this);
		thread.start();

		this.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent windowEvent) {
				runOK = false;
				System.exit(0);
			}
		});
	}

	public void run() {
		Rectangle edges = new Rectangle(0 + getInsets().left, 0 + getInsets().top, getSize().width
				- (getInsets().left + getInsets().right), getSize().height - (getInsets().top + getInsets().bottom));

		for(int loopIndex = 0; loopIndex < numberFish; loopIndex++) {
			fishes.add(new Fish(fishImages[0], fishImages[1], edges, this));
			try {
				Thread.sleep(20);
			} catch(Exception exp) {
				System.out.println(exp.getMessage());
			}
		}

		Fish fish;

		while(runOK) {
			for(int loopIndex = 0; loopIndex < numberFish; loopIndex++) {
				fish = (Fish) fishes.elementAt(loopIndex);
				fish.swim();
			}

			try {
				Thread.sleep(sleepTime);
			} catch(Exception exp) {
				System.out.println(exp.getMessage());
			}

			repaint();
		}

	}

	public void update(Graphics g) {
		memoryGraphics.drawImage(aquariumImage, 0, 0, this);

		for(int loopIndex = 0; loopIndex < numberFish; loopIndex++) {
			((Fish) fishes.elementAt(loopIndex)).drawFishImage(memoryGraphics);
		}

		g.drawImage(memoryImage, 0, 0, this);
	}

	public static void main(String[] args) {
		new Test();
	}

}

运行：

my aquarium