Java Snake Xenzia Game . Jar . 128x160 . ✦

} public class Point public int x, y; public Point(int x, int y) this.x = x; this.y = y;

protected void keyPressed(int keyCode) int action = getGameAction(keyCode); if (action == UP && direction != DOWN) nextDirection = UP; else if (action == DOWN && direction != UP) nextDirection = DOWN; else if (action == LEFT && direction != RIGHT) nextDirection = LEFT; else if (action == RIGHT && direction != LEFT) nextDirection = RIGHT;

// Self collision if (isOnSnake(newHead) && !ate) running = false; Java Snake Xenzia Game . Jar . 128x160 .

fits perfectly: 128 / 8 = 16 columns 160 / 8 = 20 rows 4. Core Implementation (Java ME style) a. MIDlet class import javax.microedition.midlet.*; import javax.microedition.lcdui.*; public class SnakeMIDlet extends MIDlet { private SnakeCanvas canvas; public void startApp() if (canvas == null) canvas = new SnakeCanvas(); Display.getDisplay(this).setCurrent(canvas);

private boolean isOnSnake(Point p) for (int i = 0; i < snake.size(); i++) Point seg = (Point) snake.elementAt(i); if (seg.x == p.x && seg.y == p.y) return true; return false; } public class Point public int x, y;

private static final int UP = 1, DOWN = 2, LEFT = 3, RIGHT = 4;

public SnakeCanvas() snake = new Vector(); direction = RIGHT; nextDirection = RIGHT; initGame(); gameThread = new Thread(this); gameThread.start(); public Point(int x

private Vector snake; // stores Points private int direction, nextDirection; private Point food; private boolean running; private int score; private Thread gameThread;