зМЕЙКА

package Game;


import Game.Objact.Apple;
import Game.Objact.Snake;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

public class SnakeGameMain extends JPanel implements ActionListener {
    public static JFrame jFrame;
    public static final int SCALE = 32;
    public static final int WIDTH = 20;
    public static final int HEIGHT = 20;
    public static int speed = 10;

    Snake s = new Snake(5,6,5,5);
    Apple apple = new Apple (Math.abs((int)(Math.random()* SnakeGameMain.WIDTH - 1)), Math.abs((int)(Math.random()* SnakeGameMain.HEIGHT - 1)));
    Timer timer = new Timer(1000/speed,this);

    public SnakeGameMain(){
        timer.start();
        addKeyListener(new KeyBoard());
        setFocusable(true);
    }

    public void paint(Graphics g) {
        g.setColor(Color.black);
        g.fillRect(0, 0, WIDTH * SCALE, HEIGHT * SCALE);

        for (int x = 0; x < WIDTH * SCALE; x += SCALE) {
            g.setColor(Color.black);
            g.drawLine(x, 0, x, HEIGHT * SCALE);
        }
        for (int y = 0; y < HEIGHT * SCALE; y += SCALE) {
            g.setColor(Color.black);
            g.drawLine(0, y, WIDTH*SCALE, y);
        }

        g.setColor(Color.red);
        g.fillOval(apple.posX*SCALE + 4,apple.posX*SCALE + 4 ,SCALE - 8,SCALE - 8);

        for(int l = 1; l < s.length; l++){
            g.setColor(Color.green);
            g.fillRect(s.sX[l]*SCALE+3,s.sY[l]*SCALE+3,SCALE -6,SCALE -6);
            g.setColor(Color.white);
            g.fillRect(s.sX[0]*SCALE+3,s.sY[0]*SCALE+3,SCALE -6,SCALE -6);
        }

    }
    public static void main(String[] args) {
        jFrame = new JFrame("Змейка");
        jFrame.setSize(WIDTH*SCALE+6,HEIGHT*SCALE+28);
        jFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        jFrame.setResizable(false);
        jFrame.setLocationRelativeTo(null);

        jFrame.add(new SnakeGameMain());

        jFrame.setVisible(true);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        s.move();
        if((s.sX[0] ==apple.posX)&&(s.sY[0] == apple.posY)){
            apple.setRandomPosition();
            s.length++;
        }
        for(int l = 1; l < s.length; l++) {
            if ((s.sX[l] ==apple.posX)&&(s.sY[l] == apple.posY));
            apple.setRandomPosition();
        }
       repaint();
    }

    public class KeyBoard extends KeyAdapter {
        public void keyPressed (KeyEvent event){
            int key = event.getKeyCode();

            if((key == KeyEvent.VK_UP) && (s.direction != 2)) s.direction = 0;
            if ((key == KeyEvent.VK_DOWN) && (s.direction != 0)) s.direction = 2;
            if ((key == KeyEvent.VK_LEFT) && (s.direction != 1)) s.direction = 3;
            if ((key == KeyEvent.VK_RIGHT)&&(s.direction != 3)) s.direction = 1;
        }
    }
}