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This example is shared for you java Implementation of Tetris specific code , For your reference , The details are as follows
Tetris design idea
Tetris has grown up since childhood , What rules do you know , I used to think it was fun , But you just can't win , Now I have learned to write one by myself and practice it every day !
Keyboard operation ：
Left key ： Shift left ; Right click ： Shift right ;
Up key ： Transform modeling Down key ： Accelerate falling ( Is everything all right , No further adjustment )
The box in any row is full , This line is eliminated , Eliminate a row of squares 10 branch , I haven't set a level yet , Your favorite babies can set their own level ;
So where did the shapes of those squares come from , That's what we designed ourselves , Several common shapes are ：I type ,T type ,L type , Tian zigzag and so on , Add it yourself !
So what the hell ? Actually, it's one 4*4 Array of , Of course, you're happy n*n it's fine too , You has the final say. !
So here's an example , It's used to tell you why the shapes you see can be changed. That's why it's designed in advance ,0 Empty ,1 Fill cells for , So you can make concave shapes in your game !
forget it ： Let's look at the running results of the code first ：
Do you like it? ? Just do it if you like , Maybe the code is not written well enough , Please forgive me , I'll summarize more later , The code will be updated continuously ;
GamePanel class ： Game interface class , The whole box is dropped and displayed , The logic of the game is implemented in this class ;
package tetris;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.Random;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.Timer;
public class GamePanel extends JPanel implements KeyListener{
private int mapRow = 21;
private int mapCol = 12;
private int mapGame[][] = new int[mapRow][mapCol];// Open up a two-dimensional array space , Used to store our map information
private Timer timer;
private int score = 0;// Record results
Random random = new Random();
private int curShapeType = -1;
private int curShapeState = -1;// Sets the current shape type and current shape state
private int nextShapeType = -1;
private int nextShapeState = -1;// Set the type and status of the next block group
private int posx = 0;
private int posy = 0;
private final int shapes[][][] = new int[][][]{
//T Glyphs are stored in counterclockwise order
{
{0,1,0,0, 1,1,1,0, 0,0,0,0, 0,0,0,0},
{0,1,0,0, 1,1,0,0, 0,1,0,0, 0,0,0,0},
{1,1,1,0, 0,1,0,0, 0,0,0,0, 0,0,0,0},
{0,1,0,0, 0,1,1,0, 0,1,0,0, 0,0,0,0}
},
//I Glyphs are stored in counterclockwise order
{
{0,0,0,0, 1,1,1,1, 0,0,0,0, 0,0,0,0},
{0,1,0,0, 0,1,0,0, 0,1,0,0, 0,1,0,0},
{0,0,0,0, 1,1,1,1, 0,0,0,0, 0,0,0,0},
{0,1,0,0, 0,1,0,0, 0,1,0,0, 0,1,0,0}
},
// inverted Z Shapes are stored in counterclockwise order
{
{0,1,1,0, 1,1,0,0, 0,0,0,0, 0,0,0,0},
{1,0,0,0, 1,1,0,0, 0,1,0,0, 0,0,0,0},
{0,1,1,0, 1,1,0,0, 0,0,0,0, 0,0,0,0},
{1,0,0,0, 1,1,0,0, 0,1,0,0, 0,0,0,0}
},
//Z Shapes are stored in counterclockwise order
{
{1,1,0,0, 0,1,1,0, 0,0,0,0, 0,0,0,0},
{0,1,0,0, 1,1,0,0, 1,0,0,0, 0,0,0,0},
{1,1,0,0, 0,1,1,0, 0,0,0,0, 0,0,0,0},
{0,1,0,0, 1,1,0,0, 1,0,0,0, 0,0,0,0}
},
//J Glyphs are stored in counterclockwise order
{
{0,1,0,0, 0,1,0,0, 1,1,0,0, 0,0,0,0},
{1,1,1,0, 0,0,1,0, 0,0,0,0, 0,0,0,0},
{1,1,0,0, 1,0,0,0, 1,0,0,0, 0,0,0,0},
{1,0,0,0, 1,1,1,0, 0,0,0,0, 0,0,0,0}
},
//L Glyphs are stored in counterclockwise order
{
{1,0,0,0, 1,0,0,0, 1,1,0,0, 0,0,0,0},
{0,0,1,0, 1,1,1,0, 0,0,0,0, 0,0,0,0},
{1,1,0,0, 0,1,0,0, 0,1,0,0, 0,0,0,0},
{1,1,1,0, 1,0,0,0, 0,0,0,0, 0,0,0,0}
},
// Field glyphs are stored in counterclockwise order
{
{1,1,0,0, 1,1,0,0, 0,0,0,0, 0,0,0,0},
{1,1,0,0, 1,1,0,0, 0,0,0,0, 0,0,0,0},
{1,1,0,0, 1,1,0,0, 0,0,0,0, 0,0,0,0},
{1,1,0,0, 1,1,0,0, 0,0,0,0, 0,0,0,0}
}
};
private int rowRect = 4;
private int colRect =
4;// Here we regard the stored image as a 4*4 Two dimensional array of , Although in the above, we use one-dimensional array to store , But in fact, it should be realized as a two-dimensional array
private int RectWidth = 10;
public GamePanel()// Constructor ---- Create a map
{
CreateRect();
initMap();// Initialize this map
SetWall();// Set wall
// CreateRect();
timer = new Timer(500,new TimerListener());
timer.start();
}
class TimerListener implements ActionListener{
public void actionPerformed(ActionEvent e)
{
MoveDown();
}
}
public void SetWall()// The first 0 Liehedi 11 Columns are walls , The first 20 Line is also a wall
{
for(int i = 0; i < mapRow; i++)// Draw a column first
{
mapGame[i][0] = 2;
mapGame[i][11] = 2;
}
for(int j = 1; j < mapCol-1; j++)// Draw the last line
{
mapGame[20][j] = 2;
}
}
public void initMap()// Initialize this map , Wall ID yes 2, Blank ID yes 0, Square ID yes 1
{
for(int i = 0; i < mapRow; i++)
{
for(int j = 0; j < mapCol; j++)
{
mapGame[i][j] = 0;
}
}
}
public void
CreateRect()// Create Box --- If the current block type and state exist, set the next block , If it does not exist, set the current and set the next state and type
{
if(curShapeType == -1 && curShapeState == -1)// The current box status is 1, Indicates that the game has just begun
{
curShapeType = random.nextInt(shapes.length);
curShapeState = random.nextInt(shapes[0].length);
}
else
{
curShapeType = nextShapeType;
curShapeState = nextShapeState;
}
nextShapeType = random.nextInt(shapes.length);
nextShapeState = random.nextInt(shapes[0].length);
posx = 0;
posy = 1;// Create a square in the upper left corner of the wall
if(GameOver(posx,posy,curShapeType,curShapeState))
{
JOptionPane.showConfirmDialog(null, " game over !", " Tips ", JOptionPane.OK_OPTION);
System.exit(0);
}
}
public boolean GameOver(int x, int y, int ShapeType, int ShapeState)// Determine whether the game is over
{
if(IsOrNoMove(x,y,ShapeType,ShapeState))
{
return false;
}
return true;
}
public boolean IsOrNoMove(int x, int y, int ShapeType, int
ShapeState)// Judge whether the current figure can be moved , It is emphasized here x,y The coordinates of are 4*4 Two dimensional array of ( The array that describes the graph ) Top left target
{
for(int i = 0; i < rowRect ; i++)
{
for(int j = 0; j < colRect; j++)
{
if(shapes[ShapeType][ShapeState][i*colRect+j] == 1 && mapGame[x+i][y+j] == 1
|| shapes[ShapeType][ShapeState][i*colRect+j] == 1 && mapGame[x+i][y+j] == 2)
{
return false;
}
}
}
return true;
}
public void Turn()// rotate
{
int temp = curShapeState;
curShapeState = (curShapeState+1) % shapes[0].length;
if(IsOrNoMove(posx,posy,curShapeType,curShapeState))
{
}
else
{
curShapeState = temp;
}
repaint();
}
public void MoveDown()// Move down
{
if(IsOrNoMove(posx+1,posy,curShapeType,curShapeState))
{
posx++;
}
else
{
AddToMap();// Pin this row in the map
CheckLine();
CreateRect();// Recreate a new square
}
repaint();
}
public void MoveLeft()// Move left
{
if(IsOrNoMove(posx,posy-1,curShapeType,curShapeState))
{
posy--;
}
repaint();
}
public void MoveRight()// Move right
{
if(IsOrNoMove(posx,posy+1,curShapeType,curShapeState))
{
posy++;
}
repaint();
}
public void AddToMap()// Fix the falling image into the map
{
for(int i = 0; i < rowRect; i++)
{
for(int j = 0; j < colRect; j++)
{
if(shapes[curShapeType][curShapeState][i*colRect+j] == 1)
{
mapGame[posx+i][posy+j] = shapes[curShapeType][curShapeState][i*colRect+j];
}
}
}
}
public void CheckLine()// Check if these rows are full
{
int count = 0;
for(int i = mapRow-2; i >= 0; i--)
{
count = 0;
for(int j = 1; j < mapCol-1; j++)
{
if(mapGame[i][j] == 1)
{
count++;
}
else
break;
}
if(count >= mapCol-2)
{
for(int k = i; k > 0; k--)
{
for(int p = 1; p < mapCol-1; p++)
{
mapGame[k][p] = mapGame[k-1][p];
}
}
score += 10;
i++;
}
}
}
public void paint(Graphics g)// Redraw window
{
super.paint(g);
for(int i = 0; i < rowRect; i++)// Draw the falling square
{
for(int j = 0; j < colRect; j++)
{
if(shapes[curShapeType][curShapeState][i*colRect+j] == 1)
{
g.fillRect((posy+j+1)*RectWidth, (posx+i+1)*RectWidth, RectWidth, RectWidth);
}
}
}
for(int i = 0; i < mapRow; i++)// Draw the fixed block information on the map
{
for(int j = 0; j < mapCol; j++)
{
if(mapGame[i][j] == 2)// Painting wall
{
g.drawRect((j+1)*RectWidth, (i+1)*RectWidth, RectWidth, RectWidth);
}
if(mapGame[i][j] == 1)// Draw a small square
{
g.fillRect((j+1)*RectWidth, (i+1)*RectWidth, RectWidth, RectWidth);
}
}
}
g.drawString("score = "+ score, 225, 15);
g.drawString(" Next box ：", 225, 50);
for(int i = 0; i < rowRect; i++)
{
for(int j = 0; j < colRect; j++)
{
if(shapes[nextShapeType][nextShapeState][i*colRect+j] == 1)
{
g.fillRect(225+(j*RectWidth), 100+(i*RectWidth), RectWidth, RectWidth);
}
}
}
}
public void NewGame()// The game starts again
{
score = 0;
initMap();
SetWall();
CreateRect();
repaint();
}
public void StopGame()// Game pause
{
timer.stop();
}
public void ContinueGame()
{
timer.start();
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyPressed(KeyEvent e) {
switch(e.getKeyCode())
{
case KeyEvent.VK_UP:// upper ---- rotate
Turn();
break;
case KeyEvent.VK_DOWN:// lower ---- Move down
MoveDown();
break;
case KeyEvent.VK_LEFT:// Left ---- Move left
MoveLeft();
break;
case KeyEvent.VK_RIGHT:// right ---- Move right
MoveRight();
break;
}
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
}
GameFrame class ： Entrance to the whole game , ok , To put it bluntly, there is main() Class of function , This class implements some design of the game interface , You can understand it as a little UI;
package tetris;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
public class GameFrame extends JFrame implements ActionListener{
private int widthFrame = 500;
private int heightFrame = 600;
private JMenu menuone = new JMenu(" game ");// Create a menu
private JMenuItem newGame = menuone.add(" restart ");// Create a built-in menu option
private JMenuItem exitGame = menuone.add(" Game exit ");
private JMenuItem stopGame = menuone.add(" Game pause ");
private JMenuItem goOnGame = menuone.add(" The game continues ");
private JMenu menutwo = new JMenu(" help ");// Create a second menu
private JMenuItem aboutGame = menutwo.add(" About games ");
GamePanel gamepanel = new GamePanel();
public GameFrame()// Constructor
{
addKeyListener(gamepanel);
newGame.addActionListener(this);
exitGame.addActionListener(this);
stopGame.addActionListener(this);
goOnGame.addActionListener(this);
aboutGame.addActionListener(this);
this.add(gamepanel);
JMenuBar menu = new JMenuBar();
menu.add(menuone);
menu.add(menutwo);
this.setJMenuBar(menu);
this.setTitle(" Tetris ");
this.setBounds(50, 10, widthFrame, heightFrame);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource() == newGame)// The game starts again
{
gamepanel.NewGame();
}
if(e.getSource() == exitGame)// Game exit
{
System.exit(0);
}
if(e.getSource() == stopGame)// Game pause
{
gamepanel.StopGame();
}
if(e.getSource() == goOnGame)// The game continues
{
gamepanel.ContinueGame();
}
if(e.getSource() == aboutGame)// About game information
{
JOptionPane.showMessageDialog(null, " Left and right key movement , Rotate up ", " Tips ",
JOptionPane.OK_OPTION);
}
}
public static void main(String[] args) {
new GameFrame();
}
}
More articles on Tetris , Please click to view the topic ：《 Tetris 》
The above is the whole content of this paper , I hope it will be helpful to everyone's study , I also hope you can support the script house .
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