private void checkCollisions()

@Override public void actionPerformed(ActionEvent e) if (running) move(); checkFood(); checkCollisions(); repaint();

private void checkFood() if (x[0] == foodX && y[0] == foodY) bodyLength++; generateFood();

private void move() // Shift body for (int i = bodyLength; i > 0; i--) x[i] = x[i-1]; y[i] = y[i-1]; // Move head switch(direction) case 'U': y[0] -= UNIT_SIZE; break; case 'D': y[0] += UNIT_SIZE; break; case 'L': x[0] -= UNIT_SIZE; break; case 'R': x[0] += UNIT_SIZE; break;

(often stylized as Snake Xenzia ) emerged as a more polished, colorful, and feature-rich version of classic Snake, primarily written in Java ME (Micro Edition, formerly J2ME). It became a staple on mid-2000s Java-enabled feature phones from Sony Ericsson, Samsung, LG, and Motorola, before later appearing on early Android and desktop Java applets. 2. Gameplay Mechanics: What Made Xenzia Different? Snake Xenzia retains the core loop but adds modern twists:

| Feature | Classic Snake | Snake Xenzia | |---------|--------------|---------------| | | 4-directional, grid-based | 8-directional or smooth pixel-based | | Walls | Death on collision | Can be death, wrap-around, or tunnel entry/exit | | Obstacles | None | Rocks, portals, moving hazards | | Power-ups | None | Speed boost, slow-mo, score multipliers | | Visuals | Monochrome or simple block | Gradient backgrounds, custom skins, animated tails | | Modes | Endless only | Time attack, maze mode, multiplayer (hot seat) |

1. Introduction: The Legacy of Snake Before touchscreens and app stores, the most popular mobile game in the world was Snake . While the original concept dates back to the 1976 arcade game Blockade , it was Nokia’s 1997 phone, the Nokia 6110 , that introduced Snake to millions. However, as mobile technology evolved, so did the implementation.

public SnakeXenziaSwing() setPreferredSize(new Dimension(WIDTH, HEIGHT)); setBackground(Color.BLACK); setFocusable(true); addKeyListener(this); startGame();

@Override public void paintComponent(Graphics g) super.paintComponent(g); if (running) g.setColor(Color.RED); g.fillOval(foodX, foodY, UNIT_SIZE, UNIT_SIZE); g.setColor(Color.GREEN); for (int i = 0; i < bodyLength; i++) g.fillRect(x[i], y[i], UNIT_SIZE, UNIT_SIZE); else g.setColor(Color.RED); g.drawString("Game Over - Score: " + (bodyLength-3), WIDTH/2-50, HEIGHT/2);

private void generateFood() foodX = (int)(Math.random() * (WIDTH/UNIT_SIZE)) * UNIT_SIZE; foodY = (int)(Math.random() * (HEIGHT/UNIT_SIZE)) * UNIT_SIZE;

private void startGame() running = true; // Initialize snake position (middle) for (int i = 0; i < bodyLength; i++) x[i] = WIDTH/2 - i*UNIT_SIZE; y[i] = HEIGHT/2; generateFood(); timer = new Timer(100, this); timer.start();

import javax.swing.*; import java.awt.*; import java.awt.event.*; public class SnakeXenziaSwing extends JPanel implements ActionListener, KeyListener private final int WIDTH = 400, HEIGHT = 400, UNIT_SIZE = 25; private final int GAME_UNITS = (WIDTH * HEIGHT) / (UNIT_SIZE * UNIT_SIZE); private int[] x = new int[GAME_UNITS]; private int[] y = new int[GAME_UNITS]; private int bodyLength = 3; private int foodX, foodY; private char direction = 'R'; private boolean running = false; private Timer timer;

public void keyPressed(KeyEvent e) switch(e.getKeyCode()) case KeyEvent.VK_UP: if (direction != 'D') direction = 'U'; break; case KeyEvent.VK_DOWN: if (direction != 'U') direction = 'D'; break; case KeyEvent.VK_LEFT: if (direction != 'R') direction = 'L'; break; case KeyEvent.VK_RIGHT: if (direction != 'L') direction = 'R'; break;