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Java小游戏编程:俄罗斯方块源代码
2023-06-17 00:32:24 深夜i     --     --
Java 小游戏 俄罗斯方块

Java小游戏编程已经成为许多开发者的热门领域。其中,俄罗斯方块是一个经典的游戏,也是很多人喜欢玩的游戏之一。在这里,我们将分享俄罗斯方块的Java源代码,让您可以自己编写和定制自己的游戏。通过这篇文章,您将学习到如何使用Java编程语言来开发自己的俄罗斯方块游戏。

首先,您需要安装Java开发工具包(JDK)以及Java集成开发环境(IDE)。在这里,我们使用Eclipse IDE来演示。

下面是俄罗斯方块源代码的实现。代码中包含了游戏窗口的设置、方块的随机生成、消除行等主要功能代码。

代码详见:


import java.awt.Color;

import java.awt.Graphics;

import java.awt.Point;

import java.util.ArrayList;

import java.util.Random;

import javax.swing.JFrame;

import javax.swing.JPanel;

public class Tetris extends JPanel implements Runnable {

  private static final long serialVersionUID = -8715353373678321308L;

  private final Point[][][] Tetraminos = {

      // I-Piece

      {

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(3, 1) },

        { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(1, 3) },

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(3, 1) },

        { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(1, 3) }

      },

      // J-piece

      {

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(2, 0) },

        { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(2, 2) },

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(0, 2) },

        { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(0, 0) }

      },

      // L-piece

      {

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(2, 2) },

        { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(0, 2) },

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(0, 0) },

        { new Point(1, 0), new Point(1, 1), new Point(1, 2), new Point(2, 0) }

      },

      // O-piece

      {

        { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) },

        { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) },

        { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) },

        { new Point(0, 0), new Point(0, 1), new Point(1, 0), new Point(1, 1) }

      },

      // S-piece

      {

        { new Point(1, 0), new Point(2, 0), new Point(0, 1), new Point(1, 1) },

        { new Point(1, 0), new Point(1, 1), new Point(2, 1), new Point(2, 2) },

        { new Point(1, 1), new Point(2, 1), new Point(0, 2), new Point(1, 2) },

        { new Point(0, 0), new Point(0, 1), new Point(1, 1), new Point(1, 2) }

      },

      // T-piece

      {

        { new Point(1, 0), new Point(0, 1), new Point(1, 1), new Point(2, 1) },

        { new Point(1, 0), new Point(1, 1), new Point(2, 1), new Point(1, 2) },

        { new Point(0, 1), new Point(1, 1), new Point(2, 1), new Point(1, 2) },

        { new Point(1, 0), new Point(0, 1), new Point(1, 1), new Point(1, 2) }

      },

      // Z-piece

      {

        { new Point(0, 0), new Point(1, 0), new Point(1, 1), new Point(2, 1) },

        { new Point(2, 0), new Point(2, 1), new Point(1, 1), new Point(1, 2) },

        { new Point(0, 1), new Point(1, 1), new Point(1, 2), new Point(2, 2) },

        { new Point(1, 0), new Point(1, 1), new Point(0, 1), new Point(0, 2) }

      }

    };

  private final Color[] tetraminoColors = Color.yellow;

  private Point pieceOrigin;

  private int currentPiece;

  private int nextPiece;

  private Point[][] currentPieceShape;

  private ArrayList placedPieces;

  private long score;

  private Color[][] well;

  private final int GAME_WIDTH = 10;

  private final int GAME_HEIGHT = 20;

  private boolean gameOn = false;

  private Thread gameThread;

  public void init() {

    well = new Color[GAME_WIDTH][GAME_HEIGHT];

    placedPieces = new ArrayList ();

    gameOn = true;

    pieceOrigin = new Point(5, 2);

    score = 0;

    newPiece();

  }

  public void newPiece() {

    Random r = new Random();

    currentPiece = nextPiece;

    nextPiece = r.nextInt(7);

    currentPieceShape = Tetraminos[currentPiece];

    

    // move piece into position

    pieceOrigin.y = 0;

    pieceOrigin.x = (GAME_WIDTH / 2) + (currentPiece == 3 ? 0 : 1);

    // check if game is over

    if(!isPiecePlaced(pieceOrigin.x, pieceOrigin.y, currentPieceShape))

      gameOn = false;

      return;

    

  }

  public boolean isPiecePlaced(int x, int y, Point[][] piece) {

    for (Point p : piece[0]) {

      if (well[p.x + x][p.y + y] != null)

        return false;

    }

    return true;

  }

  public void rotatePiece(boolean clockwise) {

    Point[][] rotatedPiece = new Point[4][4];

    for (int i = 0; i < currentPieceShape.length; i++) {

      for (int j = 0; j < currentPieceShape[i].length; j++) {

        rotatedPiece[i][j] = currentPieceShape[j][currentPieceShape.length - i - 1];

      }

    }

    if (isPiecePlaced(pieceOrigin.x, pieceOrigin.y, rotatedPiece))

      currentPieceShape = rotatedPiece;

    

  }

  public void movePiece(int x, int y) {

    if (isPiecePlaced(pieceOrigin.x + x, pieceOrigin.y + y, currentPieceShape)) {

      pieceOrigin.x += x;

      pieceOrigin.y += y;

    }

  }

  public void dropPiece() {

    int newY = pieceOrigin.y;

    while (newY < GAME_HEIGHT-1) {

      if (!isPiecePlaced(pieceOrigin.x, newY + 1, currentPieceShape))

         break;

      

      newY++;

    }

    placePiece(pieceOrigin.x, newY, currentPieceShape);

    newPiece();

  }

  public void placePiece(int x, int y, Point[][] piece) {

    for (Point p : piece[0]) {

      well[x + p.x][y + p.y] = tetraminoColors[currentPiece];

      placedPieces.add(new Point(x + p.x, y + p.y));

    }

    int scoreIncrement = 0;

    // check for cleared lines

    for (int i = GAME_HEIGHT-1; i >-1; i--) {

      boolean allPlaced = true;

      for (int j = 0; j < GAME_WIDTH; j++) {

        if (well[j][i] == null) allPlaced = false;

      }

      if(allPlaced) {

        scoreIncrement += 10*(GAME_HEIGHT-i);

        removeLine(i);

        i++;

      }

    }

    if (scoreIncrement > 0) {

      score += scoreIncrement;

    }

  }

  public void removeLine(int row) {

    for (int i = row-1; i > -1; i--) {

      for (int j = 0; j < GAME_WIDTH; j++) {

        well[j][i+1] = well[j][i];

        for(Point p : placedPieces) {          

          if(p.x == j && p.y == i) {

            placedPieces.remove(p);

            placedPieces.add(new Point(p.x, p.y+1));

          }

        }        

      }

    }

    for (int j = 0; j < GAME_WIDTH; j++) {

      well[j][0] = null;

      for(Point p : placedPieces) {          

        if(p.x == j && p.y == 0) {

          placedPieces.remove(p);

        }

        if(p.x == j)

          p.y--;

                

      }        

    }

  }

  public void repaint() {

    Graphics g = getGraphics();

    g.drawRect(0, 0, getWidth()-1, getHeight()-1);

    for (int i = 0; i < GAME_HEIGHT; i++) {

      for (int j = 0; j < GAME_WIDTH; j++) {

        g.setColor(well[j][i]);

        g.fillRect(j*20, i*20, 20, 20);

      }

    }

    g.setColor(Color.WHITE);

    g.drawString("Score: " + score, 300, 20);

    // draw the current piece

    g.setColor(tetraminoColors[currentPiece]);

    for (Point p : currentPieceShape[0]) {

      g.fillRect((p.x + pieceOrigin.x) * 20, (p.y + pieceOrigin.y) * 20, 20, 20);

    }

  }

  @Override

  public void run() {

    init();

    while (gameOn) {

      try {

        Thread.sleep(1000);

        movePiece(0, 1);

      } catch ( InterruptedException e ) {}

      repaint();      

    }

  }

  public static void main(String[] args) {

    JFrame f = new JFrame("Tetris");

    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    f.setSize(300, 600);

    f.add(new Tetris());

    f.setVisible(true);

  }

}

使用这些代码,您可以创建自己的俄罗斯方块游戏,并将其嵌入到各种应用程序中。如果您希望深入了解Java的游戏开发,那么这篇文章将是个很好的起点。

  
  

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