我们学习java，可以利用Java做很多东西，比如用java做网页，做小程序等，那java如何制作小游戏?下面我们就用实例给大家分享一些java制作小游戏代码，给大家增长一些知识!
游戏思路：设置人物移动，游戏规则，积分系统，随机移动的怪物，游戏胜负判定，定时器。
游戏内容部分：
package 代码部分;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Random;
public class TestGamePanel extends JPanel implements KeyListener, ActionListener
{
//初始化人物坐标
int p1X;
int p1Y;
int p2X;
int p2Y;
boolean isStart = false; //游戏是否开始
boolean p1isFail = false; //游戏是否失败
boolean p2isFail = false;
String fx1; //左：L， 右：R， 上：U， 下：D
String fx2;
Timer timer = new Timer(50, this); //定时器
//积分
int p1score = 0;
int p2score = 0;
//苹果
int AppleX;
int AppleY;
//怪物
int monster1X;
int monster1Y;
int monster2X;
int monster2Y;
int monster3X;
int monster3Y;
int monster4X;
int monster4Y;
int monster5X;
int monster5Y;
//随机积分
Random random = new Random();
public TestGamePanel()
{
init();
this.setFocusable(true);
this.addKeyListener(this);
timer.start();
}
//初始化
public void init()
{
p1X = 25;
p1Y = 150;
p2X = 700;
p2Y = 550;
fx1 = "L";
fx2 = "R";
monster1X = 25 * random.nextInt(28);
monster1Y = 100 + 25 * random.nextInt(18);
monster2X = 25 * random.nextInt(28);
monster2Y = 100 + 25 * random.nextInt(18);
monster3X = 25 * random.nextInt(28);
monster3Y = 100 + 25 * random.nextInt(18);
monster4X = 25 * random.nextInt(28);
monster4Y = 100 + 25 * random.nextInt(18);
monster5X = 25 * random.nextInt(28);
monster5Y = 100 + 25 * random.nextInt(18);
AppleX = 25 * random.nextInt(28);
AppleY = 100 + 25 * random.nextInt(18);
add(kaishi);
add(chongkai);
guize.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent e)
{
new TestGameRule();
}
});
}
//游戏功能按钮
JButton kaishi = new JButton("开始");
JButton chongkai = new JButton("重新开始");
JButton guize = new JButton("游戏规则");
//画板
@Override
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
TestGameData.header.paintIcon(this, g, 0, 0);
g.setColor(Color.CYAN);
g.fillRect(0, 100, 780, 520);
//画人物
TestGameData.p1player1.paintIcon(this, g, p1X, p1Y);
TestGameData.p2player1.paintIcon(this, g, p2X, p2Y);
//画得分
g.setFont(new Font("华文彩云", Font.BOLD, 18)); //设置字体
g.setColor(Color.RED);
g.drawString("玩家1：" + p1score, 20, 20);
g.drawString("玩家2：" + p2score, 680, 20);
//画苹果
TestGameData.apple.paintIcon(this, g, AppleX, AppleY);
//画静态怪物
TestGameData.monster.paintIcon(this, g, monster1X, monster1Y);
TestGameData.monster.paintIcon(this, g, monster2X, monster2Y);
TestGameData.monster.paintIcon(this, g, monster3X, monster3Y);
TestGameData.monster.paintIcon(this, g, monster4X, monster4Y);
TestGameData.monster.paintIcon(this, g, monster5X, monster5Y);
//游戏提示，是否开始
if (!isStart)
{
g.setColor(Color.BLACK);
g.setFont(new Font("华文彩云", Font.BOLD, 30));
g.drawString("请点击开始游戏", 300, 300);
}
//游戏结束提示，是否重新开始
if (p2isFail || p1score == 15)
{
g.setColor(Color.RED);
g.setFont(new Font("华文彩云", Font.BOLD, 30));
g.drawString("玩家一获胜，请点击重新开始游戏", 200, 300);
}
if (p1isFail || p2score == 15)
{
g.setColor(Color.RED);
g.setFont(new Font("华文彩云", Font.BOLD, 30));
g.drawString("玩家二获胜，请点击重新开始游戏", 200, 300);
}
}
//键盘监听事件
@Override
public void keyPressed(KeyEvent e)
{
//控制人物走动
//玩家1
if (isStart == true && (p1isFail == false && p2isFail == false))
{
if (e.getKeyCode() == KeyEvent.VK_D)
{
fx1 = "R";
p1X += 25;
if (p1X >= 750)
{
p1X = 750;
}
}
else if (e.getKeyCode() == KeyEvent.VK_A)
{
fx1 = "L";
p1X -= 25;
if (p1X <= 0)
{
p1X = 0;
}
}
else if (e.getKeyCode() == KeyEvent.VK_W)
{
fx1 = "U";
p1Y -= 25;
if (p1Y <= 100)
{
p1Y = 100;
}
}
else if (e.getKeyCode() == KeyEvent.VK_S)
{
fx1 = "D";
p1Y += 25;
if (p1Y >= 600)
{
p1Y = 600;
}
}
//玩家2
if (e.getKeyCode() == KeyEvent.VK_RIGHT)
{
fx2 = "R";
p2X += 25;
if (p2X >= 750)
{
p2X = 750;
}
}
else if (e.getKeyCode() == KeyEvent.VK_LEFT)
{
fx2 = "L";
p2X -= 25;
if (p2X <= 0)
{
p2X = 0;
}
}
else if (e.getKeyCode() == KeyEvent.VK_UP)
{
fx2 = "U";
p2Y -= 25;
if (p2Y <= 100)
{
p2Y = 100;
}
}
else if (e.getKeyCode() == KeyEvent.VK_DOWN)
{
fx2 = "D";
p2Y += 25;
if (p2Y >= 600)
{
p2Y = 600;
}
}
}
repaint();
}
@Override
public void actionPerformed(ActionEvent e)
{
kaishi.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent e)
{
isStart = true;
}
});
chongkai.addActionListener(new ActionListener()
{
@Override
public void actionPerformed(ActionEvent e)
{
if (p1isFail)
{
p1isFail = !p1isFail;
init();
}
if (p2isFail)
{
p2isFail = !p2isFail;
init();
}
}
});
add(kaishi);
add(chongkai);
add(guize);
if (isStart == true && (p1isFail == false && p2isFail == false))
{
//让人动起来
if (fx1.equals("R"))
{
p1X += 25;
if (p1X >= 750)
{
p1X = 750;
}
}
if (fx1.equals("L"))
{
p1X -= 25;
if (p1X <= 0)
{
p1X = 0;
}
}
if (fx1.equals("U"))
{
p1Y -= 25;
if (p1Y <= 100)
{
p1Y = 100;
}
}
if (fx1.equals("D"))
{
p1Y += 25;
if (p1Y >= 600)
{
p1Y = 600;
}
}
if (fx2.equals("R"))
{
p2X += 25;
if (p2X >= 750)
{
p2X = 750;
}
}
if (fx2.equals("L"))
{
p2X -= 25;
if (p2X <= 0)
{
p2X = 0;
}
}
if (fx2.equals("U"))
{
p2Y -= 25;
if (p2Y <= 100)
{
p2Y = 100;
}
}
if (fx2.equals("D"))
{
p2Y += 25;
if (p2Y >= 600)
{
p2Y = 600;
}
}
//让怪物动起来
//怪物1
int i = random.nextInt(4) + 1;
if (i == 1)
{
monster1X += 5;
if (monster1X >= 750)
{
monster1X = 750;
}
}
if (i == 2)
{
monster1X -= 5;
if (monster1X <= 0)
{
monster1X = 0;
}
}
if (i == 3)
{
monster1Y += 5;
if (monster1Y >= 600)
{
monster1Y = 600;
}
}
if (i == 4)
{
monster1Y -= 5;
if (monster1Y <= 100)
{
monster1Y = 100;
}
}
//怪物2
int j = random.nextInt(4) + 1;
if (j == 1)
{
monster2X += 5;
if (monster2X >= 750)
{
monster2X = 750;
}
}
if (j == 2)
{
monster2X -= 5;
if (monster2X <= 0)
{
monster2X = 0;
}
}
if (j == 3)
{
monster2Y += 5;
if (monster2Y >= 600)
{
monster2Y = 600;
}
}
if (j == 4)
{
monster2Y -= 5;
if (monster2Y <= 100)
{
monster2Y = 100;
}
}
//怪物3
int k = random.nextInt(4) + 1;
if (k == 1)
{
monster3X += 5;
if (monster3X >= 750)
{
monster3X = 750;
}
}
if (k == 2)
{
monster3X -= 5;
if (monster3X <= 0)
{
monster3X = 0;
}
}
if (k == 3)
{
monster3Y += 5;
if (monster3Y >= 600)
{
monster3Y = 600;
}
}
if (k == 4)
{
monster3Y -= 5;
if (monster3Y <= 100)
{
monster3Y = 100;
}
}
//怪物4
int n = random.nextInt(4) + 1;
if (n == 1)
{
monster4X += 5;
if (monster4X >= 750)
{
monster4X = 750;
}
}
if (n == 2)
{
monster4X -= 5;
if (monster4X <= 0)
{
monster4X = 0;
}
}
if (n == 3)
{
monster4Y += 5;
if (monster4Y >= 600)
{
monster4Y = 600;
}
}
if (n == 4)
{
monster4Y -= 5;
if (monster4Y <= 100)
{
monster4Y = 100;
}
}
//怪物5
int m = random.nextInt(4) + 1;
if (m == 1)
{
monster5X += 5;
if (monster5X >= 750)
{
monster5X = 750;
}
}
if (m == 2)
{
monster5X -= 5;
if (monster5X <= 0)
{
monster5X = 0;
}
}
if (m == 3)
{
monster5Y += 5;
if (monster5Y >= 600)
{
monster5Y = 600;
}
}
if (m == 4)
{
monster5Y -= 5;
if (monster5Y <= 100)
{
monster5Y = 100;
}
}
//如果有玩家吃到食物
if (p1X == AppleX && p1Y == AppleY)
{
p1score++;
AppleX = 25 * random.nextInt(28);
AppleY = 100 + 25 * random.nextInt(18);
}
else if (p2X == AppleX && p2Y == AppleY)
{
p2score++;
AppleX = 25 * random.nextInt(28);
AppleY = 100 + 25 * random.nextInt(18);
}
//如果有玩家碰到怪物，判定死亡，游戏结束 后续有修改，暂用
//怪物1死亡
if (p1X >= monster1X - 25 && p1X <= monster1X + 25)
{
if (p1Y == monster1Y)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p1Y >= monster1Y - 25 && p1Y <= monster1Y + 25)
{
if (p1X == monster1X)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p2X >= monster1X - 25 && p2X <= monster1X + 25)
{
if (p2Y == monster1Y)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
if (p2Y >= monster1Y - 25 && p2Y <= monster1Y + 25)
{
if (p2X == monster1X)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
//怪物2死亡
if (p1X >= monster2X - 25 && p1X <= monster2X + 25)
{
if (p1Y == monster2Y)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p1Y >= monster2Y - 25 && p1Y <= monster2Y + 25)
{
if (p1X == monster2X)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p2X >= monster2X - 25 && p2X <= monster2X + 25)
{
if (p2Y == monster2Y)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
if (p2Y >= monster2Y - 25 && p2Y <= monster2Y + 25)
{
if (p2X == monster2X)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
//怪物3死亡
if (p1X >= monster3X - 25 && p1X <= monster3X + 25)
{
if (p1Y == monster3Y)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p1Y >= monster3Y - 25 && p1Y <= monster3Y + 25)
{
if (p1X == monster3X)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p2X >= monster3X - 25 && p2X <= monster3X + 25)
{
if (p2Y == monster3Y)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
if (p2Y >= monster3Y - 25 && p2Y <= monster3Y + 25)
{
if (p2X == monster3X)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
//怪物4死亡
if (p1X >= monster4X - 25 && p1X <= monster4X + 25)
{
if (p1Y == monster4Y)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p1Y >= monster4Y - 25 && p1Y <= monster4Y + 25)
{
if (p1X == monster1X)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p2X >= monster4X - 25 && p2X <= monster4X + 25)
{
if (p2Y == monster4Y)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
if (p2Y >= monster4Y - 25 && p2Y <= monster4Y + 25)
{
if (p2X == monster4X)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
//怪物5死亡
if (p1X >= monster5X - 25 && p1X <= monster5X + 25)
{
if (p1Y == monster5Y)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p1Y >= monster5Y - 25 && p1Y <= monster5Y + 25)
{
if (p1X == monster5X)
{
p1isFail = !p1isFail;
p1score = p2score = 0;
}
}
if (p2X >= monster5X - 25 && p2X <= monster5X + 25)
{
if (p2Y == monster5Y)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
if (p2Y >= monster5Y - 25 && p2Y <= monster5Y + 25)
{
if (p2X == monster5X)
{
p2isFail = !p2isFail;
p1score = p2score = 0;
}
}
//如果有玩家达到指定积分，判定获胜，游戏结束
if (p1score == 15)
{
p2isFail = !p2isFail;
}
if (p2score == 15)
{
p1isFail = !p1isFail;
}
repaint();
}
timer.start();
}
@Override
public void keyTyped(KeyEvent e)
{}
@Override
public void keyReleased(KeyEvent e)
{}
}游戏规则(使用弹窗)部分：
package 代码部分;
import javax.swing.*;
import java.awt.*;
public class TestGameRule extends JDialog
{
private int num = 1;
public TestGameRule()
{
TextArea textArea = new TextArea(20, 10);
textArea.setText("游戏中有五个怪物随机移动，碰到怪物算死亡\\\n游戏中有随机出现的苹果，碰到一个苹果加一分，\\\n先达到十五分或者对手死亡算游戏胜利!");
JScrollPane jScrollPane = new JScrollPane(textArea);
this.add(jScrollPane);
this.setBounds(200, 200, 400, 400);
this.setVisible(true);
textArea.setEditable(false);
setResizable(false);
textArea.setBackground(Color.PINK);
}
}图片素材：
package 代码部分;
import javax.swing.*;
import java.net.URL;
public class TestGameData
{
public static URL headerurl = TestGameData.class.getResource("/图片素材/header.jpg");
public static URL p1player1url = TestGameData.class.getResource("/图片素材/1.jpg");
public static URL p2player2url = TestGameData.class.getResource("/图片素材/2.jpg");
public static URL appleurl = TestGameData.class.getResource("/图片素材/apple.jpg");
public static URL monsterurl = TestGameData.class.getResource("/图片素材/monster.jpg");
public static ImageIcon p1player1 = new ImageIcon(p1player1url);
public static ImageIcon p2player1 = new ImageIcon(p2player2url);
public static ImageIcon header = new ImageIcon(headerurl);
public static ImageIcon apple = new ImageIcon(appleurl);
public static ImageIcon monster = new ImageIcon(monsterurl);
}主函数
package 代码部分;
import javax.swing.*;
public class TestStartGame
{
public static void main(String[] args)
{
//制作窗口
JFrame jFrame = new JFrame("2D对战小游戏");
jFrame.setBounds(10, 10, 790, 660);
jFrame.setResizable(false);
jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//添加游戏面板
jFrame.add(new TestGamePanel());
//设置可见
jFrame.setVisible(true);
}
}实现效果：
其实要用java做出一个游戏出来还是需要花些时间的，但是这里边逻辑思维是很重要的，只有逻辑清晰，那么时间长些也无所谓!最后大家如果想要了解更多java实例知识，敬请关注奇Q工具网。
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