2020-01-15
82
Файл GameSnake.java
public class GameSnake {
public static void main(String[] args) {
GameFrame window = new GameFrame();
}
}
Файл GameFrame.java
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class GameFrame extends JFrame{
GameField field;
MenuString menu;
boolean running = false;
public GameFrame() {
setDefaultLookAndFeelDecorated(true);
setSize(400, 300);
setTitle("Гра Змійка");
menu = new MenuString(this);
field = new GameField(this);
getContentPane().add(field);
setJMenuBar(menu);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose();
System.exit(0);
}
});
addKeyListener(field);
setVisible(true);
}
public void newGame(){
field.newGame();
}
public void pauseGame(){
field.pauseGame();
}
public void stopGame(){
field.stopGame();
}
}
Файл GameField.java
import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;
public class GameField extends JPanel
implements Runnable, KeyListener{
Snake snake;
GameFrame frame;
SnakeElement targetElem;
InformPanel informPanel;
protected boolean isGameRun;
protected boolean isGamePause = false;
int gameSpeed = 2;
protected int colObstacles = 12;//Кількість перепон
protected int delay;//Затримка при русі змійки
final int w = 35, h = 25;
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protected Thread th;
protected GameSquare square[][];
boolean keyBlocked = false;
boolean crash = false;
boolean target = false;
public GameField(GameFrame owner) {
super();
frame = owner;
this.setLayout(null);
Random rnd = new Random();
square = new GameSquare[w][h];
for(int x = 0; x<w; x++){
for(int y = 0; y<h; y++){
square[x][y] = new GameSquare();
add(square[x][y]);
}
}
informPanel = new InformPanel(this);
frame.getContentPane().add(informPanel, BorderLayout.EAST);
clearSquares();
createSnake();
createBorders();
start();
}
public void setDefault(){
clearSquares();
createSnake();
createBorders();
createObstacles(colObstacles);
createTarget();
informPanel.updateInfo(snake.getLives(), snake.colElements,
gameSpeed, colObstacles);
}
public void clearSquares(){
for(int x = 0; x<w; x++){
for(int y = 0; y<h; y++){
square[x][y].setBorder(false);
square[x][y].setUsed(false);
}
}
}
protected void createSnake(){
snake = new Snake(5, w/2, h-2);
for (int i = 0; i<snake.colElements; i++){
square[snake.elem[i].xPos][snake.elem[i].yPos].setUsed(true);
square[snake.elem[i].xPos][snake.elem[i].yPos].setBorder(true);
square[snake.elem[i].xPos][snake.elem[i].yPos].n = i;
}
}
protected void createBorders(){
for (int i = 0; i<w; i++){
square[i][0].setBorder(true);
square[i][h-1].setBorder(true);
}
for (int i = 0; i<h; i++){
square[0] [i].setBorder(true);
square[w-1][i].setBorder(true);
}
}
protected void createObstacles(int col){//створює n ререпон на ігровому полі
Random rnd = new Random();
int x, y;
for (int i = 0; i<col; i++){
do{
x = Math.abs(rnd.nextInt(w));
y = Math.abs(rnd.nextInt(h));
} while (square[x][y].isBorder);
square[x][y].setBorder(true);
}
}
protected void createTarget(){//Мішень для змійки
Random rnd = new Random();
int x, y;
targetElem = new SnakeElement(0, 0);
do{
x = Math.abs(rnd.nextInt(w));
y = Math.abs(rnd.nextInt(h));
} while (square[x][y].isBorder);
targetElem.setSpeed(0, 0);
targetElem.xPos = x; targetElem.yPos = y;
square[x][y].setUsed(true);
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}
public void paintComponent(Graphics g){
super.paintComponent(g);
int squareW = (getWidth())/w;
int squareH = (getHeight())/h;
for(int x = 0; x<w; x++){
for(int y = 0; y<h; y++){
square[x][y].setSize(squareW, squareH);
square[x][y].setLocation(x*squareW, y*squareH);
}
}
g.setColor(Color.BLUE);
g.setFont(new Font("1", Font.BOLD, 20));
if (!isGameRun){
g.drawString("Розпочніть нову гру", 40, 100);
} else {
if (isGamePause){
g.drawString("ПАУЗА", 100, 100);
}
}
}
public void run (){
while (true){
if (isGameRun &&!isGamePause){
keyBlocked = true;
int n = snake.colElements-1;
SnakeElement lastElem = new SnakeElement(snake.elem[n].xPos, snake.elem[n].yPos);
lastElem.setSpeed(snake.elem[n].xSpeed, snake.elem[n].ySpeed);
square[lastElem.xPos][lastElem.yPos].setUsed(false);
square[lastElem.xPos][lastElem.yPos].setBorder(false);
snake.move();
crash = square[snake.elem[0].xPos][snake.elem[0].yPos].isBorder;
target =!crash &&
square[snake.elem[0].xPos][snake.elem[0].yPos].used;
if (target){
snake.increment(lastElem);
createTarget();
cheeckWin();
}
keyBlocked = false;
for (int i = 0; i<snake.colElements; i++){
square[snake.elem[i].xPos][snake.elem[i].yPos].setUsed(true);
square[snake.elem[i].xPos][snake.elem[i].yPos].setBorder(true);
square[snake.elem[i].xPos][snake.elem[i].yPos].n = i;
}
if (crash) { processCrash(); }
repaint();
informPanel.updateInfo(snake.getLives(), snake.colElements,
gameSpeed, colObstacles);
informPanel.repaint();
try { Thread.sleep (delay); }
catch (InterruptedException ex){ }
}
}
}
public void cheeckWin(){
if (snake.isMaxLong()) {
JOptionPane.showMessageDialog(frame,
"Ви перемогли!\nНа швидкості "+gameSpeed, "Ігрова інформація",
JOptionPane.INFORMATION_MESSAGE);
stopGame();
try { Thread.sleep (delay*2); }
catch (InterruptedException ex){ }
setDefault();
}
}
public void processCrash(){
snake.decrementLive();
if (snake.isKilled()) {
JOptionPane.showMessageDialog(frame,
"Гру завершено!", "Ігрова інформація",
JOptionPane.INFORMATION_MESSAGE);
stopGame();
}
try { Thread.sleep (delay*2); }
catch (InterruptedException ex){ }
setDefault();
}
public void newGame(){
if (isGameRun) stopGame();
setDefault();
snake.resetLives();
isGameRun = true;
isGamePause = false;
}
public void pauseGame(){
isGamePause =!isGamePause;
if (isGamePause){
keyBlocked = true;
repaint();
} else{
keyBlocked = false;
}
}
public void stopGame(){
isGameRun = false;
repaint();
}
public void setGameSpeed(int s){
gameSpeed = s;
switch (gameSpeed){
case 1: delay = 400; break;
case 2: delay = 200; break;
case 3: delay = 100; break;
}
informPanel.updateInfo(snake.getLives(), snake.colElements,
gameSpeed, colObstacles);
}
public void start(){
isGameRun = false;
setGameSpeed(2);
th = new Thread(this);
th.start();
}
public void stop(){}
public void keyPressed (KeyEvent e){
switch (e.getKeyCode()) { // Яку клавішу натиснули.
case KeyEvent.VK_LEFT :
if (!snake.elem[0].isMovingRight() &&!keyBlocked){
snake.setMoveLeft();
keyBlocked = true;
}
break;
case KeyEvent.VK_RIGHT:
if (!snake.elem[0].isMovingLeft() &&!keyBlocked){
snake.setMoveRight();
keyBlocked = true;
}
break;
case KeyEvent.VK_UP :
if (!snake.elem[0].isMovingDown() &&!keyBlocked){
snake.setMoveUp();
keyBlocked = true;
}
break;
case KeyEvent.VK_DOWN :
if (!snake.elem[0].isMovingUp() &&!keyBlocked){
snake.setMoveDown();
keyBlocked = true;
}
break;
case KeyEvent.VK_SPACE:
newGame();
break;
case KeyEvent.VK_P :
pauseGame();
break;
}
}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
}
