model.java

有关于java 3D的一些编程

import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;

public class Model{
  public static void main(String [] args){
    MFrame f = new MFrame();
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.setSize(608,628);
    f.setVisible(true);
  }
}

class MFrame extends JFrame{
  MFrame(){
    Container pane = getContentPane();
    MPanel p = new MPanel();
    pane.add(p);
  }
}

class MPanel extends JPanel implements KeyListener{
  MPanel(){
    addKeyListener(this);
  }
  public boolean isFocusTraversable(){
    return true;
  }
  public void keyPressed(KeyEvent e){
    if(e.getKeyCode() == KeyEvent.VK_S){
      cam.subX();
    }
    if(e.getKeyCode() == KeyEvent.VK_F){
      cam.addX();
    }
    if(e.getKeyCode() == KeyEvent.VK_E){
      cam.subY();
    }
    if(e.getKeyCode() == KeyEvent.VK_D){
      cam.addY();
    }
    if(e.getKeyCode() == KeyEvent.VK_J){
      cam.addZ();
    }
    if(e.getKeyCode() == KeyEvent.VK_K){
      cam.subZ();
    }
    if(e.getKeyCode() == KeyEvent.VK_L){
      cam.resume();
    }
    image = getImage();
    repaint();
//    System.out.println(cam.getX() +" "+cam.getY()+" "+cam.getZ());
  }
  public void keyReleased(KeyEvent e){}
  public void keyTyped(KeyEvent e){}

  public BufferedImage getImage(){
    BufferedImage img = new BufferedImage(603,603,BufferedImage.TYPE_INT_RGB);
    WritableRaster raster = img.getRaster();

    byte color;
    int [] rgb = {0,0,0};

    for(int i = 0;i < 201;i ++){
      for(int j = 0;j < 201;j ++){
        geted[i][j] = false;
      }
    }
    cam.reset();
    int z = cam.getZ();
    int x = cam.getX();
    int y = cam.getY();

    while(z < 200){
      cam.stepZ();
      z++;
      for(int i = 0;i < 201;i ++){
        for(int j = 0;j < 201;j ++){
          if(!geted[i][j]){
            color = mod.getData(x + cam.getTXY(i), y + cam.getTXY(j), z);
            if (color != 0) {
              rgb[0] = (color % 4) * 85;
              rgb[1] = ((color % 16) / 4) * 85;
              rgb[2] = (color / 16) * 85;
              for (int ii = 0; ii < 3; ii++) {
                for (int jj = 0; jj < 3; jj++) {
                  raster.setPixel(i * 3 + ii,j * 3 + jj, rgb);
                }
              }
              geted[i][j] = true;
            }
          }
        }
      }
    }
    return img;
  }

  public void paintComponent(Graphics g){
    super.paintComponent(g);
    g.drawImage(image,0,0,null);
  }
  private BufferedImage image = new BufferedImage(603,603,BufferedImage.TYPE_INT_RGB);
  private Mod mod = new Mod();
  private Camera cam = new Camera();
  private boolean[][] geted = new boolean[201][201];
}

class Camera{
  Camera(){
    for(int i = 0;i < 100;i ++){
      stepX[i] = -1;
      int k = 2*i;
      pX[i] = 100 - k;
      tdx[i] = 200 - k;
      tdxdz[i] = -k;
    }
    for(int i = 100;i < 201;i ++){
      stepX[i] = 1;
      int k = 2*i;
      pX[i] = k - 300;
      tdx[i] = k - 200;
      tdxdz[i] = k - 400;
    }
    resume();
  }
  public int getTXY(int i){
    return tX[i];
  }
  public void stepZ(){
    for(int i = 0;i < 201;i ++){
      if(pX[i] < 0){
        pX[i] += tdx[i];
      }
      else{
        tX[i] += stepX[i];
        pX[i] += tdxdz[i];
      }
    }
  }
  public void reset(){
    for(int i = 0;i < 100;i ++){
      pX[i] = 100 - 2*i;
    }
    for(int i = 100;i < 201;i ++){
      pX[i] = 2*i - 300;
    }
    for(int i = 0;i < 201;i ++){
      tX[i] = 0;
    }
  }
  public void resume(){
    x = 50;y = 50;z = 50;
  }

  public void addX(){x++;}
  public void subX(){x--;}
  public void addY(){y++;}
  public void subY(){y--;}
  public void addZ(){z++;}
  public void subZ(){z--;}

  public int getX(){return this.x;}
  public int getY(){return this.y;}
  public int getZ(){return this.z;}

  private int x,y,z;

  private int[] stepX = new int[201];

  private int[] tX = new int [201];
  private int[] pX = new int [201];
  private int[] tdx = new int [201];
  private int[] tdxdz = new int[201];
}

class Mod{
  Mod(){
    data = new byte[100][100][100];
    for(int i = 0;i < 100;i ++){
      for(int j = 0;j < 100;j ++){
        data[i][j][99] = 1;
        data[i][0][j] = 4;
        data[i][99][j] = 4;
        data[0][i][j] = 48;
        data[99][i][j] = 48;
        data[i][49][j] = 15;
        data[49][i][j] = 60;
      }
    }
    for(int i = 1;i < 11;i ++){
      for(int j = 0;j < 50;j ++){
        data[i][j][5] = 2;
        data[i][j][25] = 3;
        data[i+38][j][10] = 13;
        data[i+38][j][30] = 7;
      }
    }
    for(int i = 0;i < 3;i ++){
      for(int j = 0;j < 3;j ++){
        data[10+i*3][25+j*3][15] = 63;
        data[40+i*3][35+j*3][25] = 15;
      }
    }
    for(int i = 0;i < 10;i ++){
      for(int j = 0;j < 100;j ++){
        data[i+20][49][j] = 3;
      }
    }
    for(int i = 0;i < 9;i ++){
      for(int j = 1;j < 99;j ++){
        for(int k = 0;k < 7;k ++){
          data[j][49][i*10+k+10] = 0;
        }
      }
    }
    for(int i = 20;i < 50;i ++){
      for(int j = 0;j < 2;j ++){
        for(int k = 0;k < 8;k ++){
          data[j + 10][i][k*10+5] = 53;
          data[12][i][k*10+5+j] = 58;
        }
      }
    }
  }
  public byte getData(int x,int y,int z){
    if(x >= 0 && x < 100 && y >= 0 && y < 100 && z >= 100 && z < 200){
      return data[x][y][z-100];
    }
    else return (byte)0;
  }
  private byte[][][] data;
}