双人贪吃蛇游戏代码,Java代码库,德仔网

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【Java】双人贪吃蛇游戏
作者:彧福 / 发布于2015/5/11/ 737

	package snake;
	
	import java.awt.*;
	import java.awt.event.*;
	
	public class SnakeGuide implements ItemListener, AdjustmentListener {
	
	 static SnakeGuide snakeGuide;
	 static Runnable game;
	 static Thread gamerun;
	
	 Frame framestart; // 开始
	 Panel pannum, pancho, panw, panh, panbtn;
	 Checkbox cbsin, cbdou, cbcro, cbucr; // 单选：单人，双人；可穿墙，不穿墙
	 Scrollbar slw, slh; // 滚动条：宽度，高度
	 Label lbnum, lbcro, lbwid, lbhei; // 标签：人数，模式，宽度，高度
	 Label lbhp1, lbhp2, lbhp3, lbhp4, lbhp5;
	 TextField tfw, tfh; // 文本框：宽度，高度
	 Button btncfm, btnccl; // 按钮：确认，取消
	
	 Frame frameend; // 结束
	 Label msg; // 询问
	 Panel panyn;
	 Button btny, btnn; // 是，否
	
	 static boolean num;
	 static boolean choice;
	 static int w, h;
	
	 public SnakeGuide() {
	 num = true;
	 choice = true;
	 init();
	 }
	
	 public void init() {
	 num = true;
	 choice = true;
	 w = 60;
	 h = 40;
	 // 实例化
	 lbhp1 = new Label("......wasd或者8456，空格暂停");
	 lbhp2 = new Label("......黄色的是普通食物，一个五分，会使蛇身变长");
	 lbhp3 = new Label("......红色是奖励食物，吃到的分数是倒计时所剩的时间");
	 lbhp4 = new Label("......绿色是草，分数随机");
	 lbhp5 = new Label("......黑色是岩石，撞上就结束啦");
	
	 pannum = new Panel();
	 lbnum = new Label("人数");
	 CheckboxGroup cbgnum = new CheckboxGroup();
	 cbsin = new Checkbox("单人", cbgnum, true);
	 cbsin.addItemListener(this);
	 cbdou = new Checkbox("双人", cbgnum, false);
	 cbdou.addItemListener(this);
	 pannum.add(lbnum);
	 pannum.add(cbsin);
	 pannum.add(cbdou);
	
	 pancho = new Panel();
	 lbcro = new Label("模式");
	 CheckboxGroup cbgcho = new CheckboxGroup();
	 cbcro = new Checkbox("可穿墙", cbgcho, true);
	 cbcro.addItemListener(this);
	 cbucr = new Checkbox("不可穿墙", cbgcho, false);
	 cbucr.addItemListener(this);
	 pancho.add(lbcro);
	 pancho.add(cbcro);
	 pancho.add(cbucr);
	
	 panw = new Panel();
	 lbwid = new Label("宽度");
	 slw = new Scrollbar(Scrollbar.HORIZONTAL, 60, 5, 10, 65);
	 slw.addAdjustmentListener(this);
	 tfw = new TextField("60", 5);
	 tfw.setEditable(false);
	 panw.add(lbwid);
	 panw.add(tfw);
	
	 panh = new Panel();
	 lbhei = new Label("高度");
	 slh = new Scrollbar(Scrollbar.HORIZONTAL, 40, 3, 10, 43);
	 slh.addAdjustmentListener(this);
	 tfh = new TextField("40", 5);
	 tfh.setEditable(false);
	 panh.add(lbhei);
	 panh.add(tfh);
	
	 panbtn = new Panel();
	 btncfm = new Button("确定");
	 btncfm.addActionListener(new ActionListener() {
	 public void actionPerformed(ActionEvent e) {
	 framestart.setVisible(false);
	 framestart.dispose();
	 game = new Game(num, choice, w, h);
	 gamerun = new Thread(game);
	 gamerun.start();
	 }
	 });
	 btnccl = new Button("退出");
	 btnccl.addActionListener(new ActionListener() {
	 public void actionPerformed(ActionEvent e) {
	 framestart.setVisible(false);
	 framestart.dispose();
	 System.exit(0);
	 }
	 });
	 panbtn.add(btncfm);
	 panbtn.add(btnccl);
	
	 framestart = new Frame("选项设置");
	 framestart.setLayout(new GridLayout(12, 1));
	 framestart.add(lbhp1);
	 framestart.add(lbhp2);
	 framestart.add(lbhp3);
	 framestart.add(lbhp4);
	 framestart.add(lbhp5);
	 framestart.add(pannum);
	 framestart.add(pancho);
	 framestart.add(panw);
	 framestart.add(slw);
	 framestart.add(panh);
	 framestart.add(slh);
	 framestart.add(panbtn);
	 framestart.setSize(400, 360);
	 framestart.setResizable(false);
	 framestart.setLocationRelativeTo(null);
	 framestart.addWindowListener(new WindowAdapter() {
	 public void windowClosing(WindowEvent evt) {
	 framestart.setVisible(false);
	 framestart.dispose();
	 System.exit(0);
	 }
	 });
	
	 msg = new Label("是否继续？");
	 panyn = new Panel();
	 btny = new Button("是");
	 btnn = new Button("否");
	 btny.addActionListener(new ActionListener() {
	 public void actionPerformed(ActionEvent e) {
	 frameend.setVisible(false);
	 frameend.dispose();
	 framestart.setVisible(true);
	 }
	 });
	 btnn.addActionListener(new ActionListener() {
	 public void actionPerformed(ActionEvent e) {
	 frameend.setVisible(false);
	 frameend.dispose();
	 System.exit(0);
	 }
	 });
	 frameend = new Frame();
	 frameend.setLayout(new BorderLayout());
	 frameend.add(BorderLayout.NORTH, msg);
	 panyn.add(btny);
	 panyn.add(btnn);
	 frameend.add(BorderLayout.SOUTH, panyn);
	 frameend.setSize(100, 100);
	 frameend.setResizable(false);
	 frameend.setLocationRelativeTo(null);
	 frameend.addWindowListener(new WindowAdapter() {
	 public void windowClosing(WindowEvent evt) {
	 frameend.setVisible(false);
	 frameend.dispose();
	 System.exit(0);
	 }
	 });
	
	 framestart.setVisible(true);
	 frameend.setVisible(false);
	
	 }
	
	 public void adjustmentValueChanged(AdjustmentEvent eve) {
	 if (eve.getSource() == slw) {
	 tfw.setText(Integer.toString(((Scrollbar) eve.getSource())
	 .getValue()));
	 w = ((Scrollbar) eve.getSource()).getValue();
	 }
	 if (eve.getSource() == slh) {
	 tfh.setText(Integer.toString(((Scrollbar) eve.getSource())
	 .getValue()));
	 h = ((Scrollbar) eve.getSource()).getValue();
	 }
	 }
	
	 public void itemStateChanged(ItemEvent eve) {
	 if (eve.getSource() == cbsin) {
	 num = true;
	 lbhp1.setText("......wasd或者8456，空格暂停");
	 }
	 if (eve.getSource() == cbdou) {
	 num = false;
	 lbhp1.setText("......player1：wasd，player2:8456或者ijkl，空格暂停");
	 }
	 if (eve.getSource() == cbcro) {
	 choice = true;
	 }
	 if (eve.getSource() == cbucr) {
	 choice = false;
	 }
	 }
	
	 public static void main(String[] args) {
	 snakeGuide = new SnakeGuide();
	 }
	
	}
	2. [文件] Food.java ~ 7KB 下载(8)
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	package snake;
	
	import java.awt.Color;
	import java.awt.Point;
	import javax.swing.JOptionPane;
	
	import snake.Snake.Body;
	
	public class Food {
	 protected static int num = 0;
	 public static int result = 0;
	 protected static Node general = new Food.Node(1);
	 protected static Node special = new Food.Node(2);
	 protected static Node grass = new Food.Node(3);
	 protected static Node rock = new Food.Node(4);
	
	 Food() {
	 num = 0;
	 result = 0;
	 }
	
	 static class Node {
	 Color c;
	 Point p;
	 int score;
	
	 public Node(int i) {
	 if (i == 1) {
	 this.c = Color.YELLOW;
	 this.p = null;
	 this.score = 5;
	 }
	 if (i == 2) {
	 this.c = Color.RED;
	 this.p = null;
	 this.score = 100;
	 }
	 if (i == 3) {
	 this.c = Color.GREEN;
	 this.p = null;
	 this.score = (int) (100 * Math.random() - 50);
	 }
	 if (i == 4) {
	 this.c = Color.BLACK;
	 this.p = null;
	 this.score = 0;
	 }
	 }
	 }
	
	 public void setGeneralFood(Snake snake1, Snake snake2) {
	 general = new Node(1);
	 general.p = snake1.head.p;
	 if (snake2 == null) {
	 Body temp1 = snake1.head;
	 while (temp1 != null) {
	 if (temp1.p.equals(general.p)) {
	 general.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp1 = snake1.head;
	 } else
	 temp1 = temp1.next;
	 }
	 } else {
	 Body temp = snake1.head;
	 while (temp != null) {
	 if (temp.p.equals(general.p)) {
	 general.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp = snake1.head;
	
	 } else if (temp == snake1.tail)
	 temp = snake2.head;
	 else
	 temp = temp.next;
	 }
	 }
	 }
	
	 private static void setSpecialFood(Snake snake1, Snake snake2) {
	 special = new Node(2);
	 special.p = snake1.head.p;
	 if (snake2 == null) {
	 Body temp1 = snake1.head;
	 while (temp1 != null) {
	 if (temp1.p.equals(special.p)) {
	 special.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp1 = snake1.head;
	 } else
	 temp1 = temp1.next;
	 }
	 } else {
	 Body temp = snake1.head;
	 while (temp != null) {
	 if (temp.p.equals(special.p)) {
	 special.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp = snake1.head;
	
	 } else if (temp == snake1.tail)
	 temp = snake2.head;
	 else
	 temp = temp.next;
	 }
	 }
	 }
	
	 private static void setGrassFood(Snake snake1, Snake snake2) {
	 grass = new Node(3);
	 grass.p = snake1.head.p;
	 if (snake2 == null) {
	 Body temp1 = snake1.head;
	 while (temp1 != null) {
	 if (temp1.p.equals(grass.p)) {
	 grass.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp1 = snake1.head;
	 } else
	 temp1 = temp1.next;
	 }
	 } else {
	 Body temp = snake1.head;
	 while (temp != null) {
	 if (temp.p.equals(grass.p)) {
	 grass.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp = snake1.head;
	
	 } else if (temp == snake1.tail)
	 temp = snake2.head;
	 else
	 temp = temp.next;
	 }
	 }
	 }
	
	 private static void setRockFood(Snake snake1, Snake snake2) {
	 rock = new Node(4);
	 rock.p = snake1.head.p;
	 if (snake2 == null) {
	 Body temp1 = snake1.head;
	 while (temp1 != null) {
	 if (temp1.p.equals(rock.p)) {
	 rock.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp1 = snake1.head;
	 } else
	 temp1 = temp1.next;
	 }
	 } else {
	 Body temp = snake1.head;
	 while (temp != null) {
	 if (temp.p.equals(rock.p)) {
	 rock.p = new Point(
	 (int) ((Map.width - 1) * 2.0 * (Math.random() - 0.5)),
	 (int) ((Map.height - 1) * 2.0 * (Math.random() - 0.5)));
	 temp = snake1.head;
	
	 } else if (temp == snake1.tail)
	 temp = snake2.head;
	 else
	 temp = temp.next;
	 }
	 }
	 }
	
	 public static void drawFood() {
	 StdDraw.setPenColor(general.c);
	 StdDraw.filledSquare(general.p.x, general.p.y, 0.5);
	 if (special.p != null) {
	 StdDraw.setPenColor(special.c);
	 StdDraw.filledCircle(special.p.x, special.p.y, 0.5);
	 }
	 if (grass.p != null) {
	 StdDraw.setPenColor(grass.c);
	 StdDraw.filledCircle(grass.p.x, grass.p.y, 0.5);
	 }
	 if (rock.p != null) {
	 StdDraw.setPenColor(rock.c);
	 StdDraw.filledSquare(rock.p.x, rock.p.y, 0.5);
	 }
	 }
	
	 public void eatFood(Snake snake1, Snake snake2) {
	 if (snake1.head.p.equals(Food.general.p)) {
	 Body temp = new Body(1);
	 temp.p = new Point(snake1.tail.p.x, snake1.tail.p.y);
	 temp.last = snake1.tail;
	 snake1.tail.next = temp;
	 snake1.tail = temp;
	 result += Food.general.score;
	 num++;
	 setGeneralFood(snake1, snake2);
	 if (num % 5 == 0)
	 setSpecialFood(snake1, snake2);
	 if (num % 3 == 0)
	 setGrassFood(snake1, snake2);
	 if (num % 2 == 0)
	 setRockFood(snake1, snake2);
	 }
	 if (snake1.head.p.equals(Food.special.p)) {
	 result += Food.special.score;
	 Food.special.p = null;
	 }
	 if (snake1.head.p.equals(Food.grass.p)) {
	 result += Food.grass.score;
	 Food.grass.p = null;
	 }
	 if (snake2 != null) {
	 if (snake2.head.p.equals(Food.general.p)) {
	 Body temp = new Body(2);
	 temp.p = new Point(snake2.tail.p.x, snake2.tail.p.y);
	 temp.last = snake2.tail;
	 snake2.tail.next = temp;
	 snake2.tail = temp;
	 result += Food.general.score;
	 num++;
	 setGeneralFood(snake1, snake2);
	 if (num % 5 == 0)
	 setSpecialFood(snake1, snake2);
	 if (num % 3 == 0)
	 setGrassFood(snake1, snake2);
	 if (num % 2 == 0)
	 setRockFood(snake1, snake2);
	 }
	 if (snake2.head.p.equals(Food.special.p)) {
	 result += Food.special.score;
	 Food.special.p = null;
	 }
	 if (snake2.head.p.equals(Food.grass.p)) {
	 result += Food.grass.score;
	 Food.grass.p = null;
	 }
	 }
	 if (Food.special.p != null) {
	 Food.special.score--;
	 if (Food.special.score == 0) {
	 Food.special.p = null;
	 }
	 }
	
	 }
	
	 public void sleep(Snake snake1, Snake snake2) {
	 int sum = result;
	 if (snake2 != null)
	 sum += result;
	 StdDraw.show(250 - sum > 50 ? 250 - sum : 50);
	 }
	
	 public void pause() {
	 JOptionPane.showMessageDialog(null, "днЭ?жа..МЬа??П");
	 }
	
	}

	

	

	package snake;
	
	public class Game implements Runnable {
	 boolean choice;
	 boolean num;
	 int w, h;
	
	 public Game(boolean num, boolean choice, int w, int h) {
	 super();
	 this.choice = choice;
	 this.num = num;
	 this.w = w;
	 this.h = h;
	 }
	
	 public void run() {
	 Food food = new Food();
	 if (num) {
	 Map.drawmap(w, h);
	 Snake snake1 = new Snake(1);
	 snake1.drawSnake();
	 food.setGeneralFood(snake1, null);
	 while (snake1.alive(choice, null)) {
	 char in = 'n';
	 if (StdDraw.hasNextKeyTyped()) {
	 switch (StdDraw.nextKeyTyped()) {
	 case 'w':
	 case '8':
	 in = 'u';
	 break;
	 case 'a':
	 case '4':
	 in = 'l';
	 break;
	 case 's':
	 case '5':
	 in = 'd';
	 break;
	 case 'd':
	 case '6':
	 in = 'r';
	 break;
	 case ' ':
	 food.pause();
	 break;
	 default:
	 in = 'n';
	 break;
	 }
	 }
	 food.eatFood(snake1, null);
	 snake1.move(in, choice);
	 Map.draw(choice, snake1, null);
	 food.sleep(snake1, null);
	 }
	 StdDraw.show(1000);
	 StdDraw.show();
	 StdDraw.clear();
	 StdDraw.text(0, 2, "Your score is " + Food.result);
	 StdDraw.show();
	 } else {
	 Map.drawmap(w, h);
	 Snake snake1 = new Snake(1);
	 Snake snake2 = new Snake(2);
	 snake1.drawSnake();
	 snake2.drawSnake();
	 food.setGeneralFood(snake1, null);
	 while (snake1.alive(choice, snake2) && snake2.alive(choice, snake1)) {
	 char in0 = 'n', in1 = 'n';
	 if (StdDraw.hasNextKeyTyped()) {
	 switch (StdDraw.nextKeyTyped()) {
	 case 'w':
	 in0 = 'u';
	 break;
	 case 'a':
	 in0 = 'l';
	 break;
	 case 's':
	 in0 = 'd';
	 break;
	 case 'd':
	 in0 = 'r';
	 break;
	 case 'i':
	 case '8':
	 in1 = 'u';
	 break;
	 case 'j':
	 case '4':
	 in1 = 'l';
	 break;
	 case 'k':
	 case '5':
	 in1 = 'd';
	 break;
	 case 'l':
	 case '6':
	 in1 = 'r';
	 break;
	 case ' ':
	 food.pause();
	 break;
	 default:
	 in0 = in1 = 'n';
	 break;
	 }
	 }
	 food.eatFood(snake1, snake2);
	 snake1.move(in0, choice);
	 snake2.move(in1, choice);
	 Map.draw(choice, snake1, snake2);
	 food.sleep(snake1, snake2);
	 }
	 StdDraw.show(1000);
	 StdDraw.show();
	 StdDraw.clear();
	 if (snake1.alive(choice, snake2))
	 StdDraw.text(0, 2, "Play1 Win! The score is " + Food.result);
	 else if (snake2.alive(choice, snake1))
	 StdDraw.text(0, 2, "Play2 Win! The score is " + Food.result);
	 else
	 StdDraw.text(0, 2, "No one Win! ");
	 StdDraw.show();
	 }
	 SnakeGuide.snakeGuide.frameend.setVisible(true);
	 }
	
	}

	

	package snake;
	
	import java.awt.Color;
	
	public class Map {
	 static int height, width;
	 static double[] x = { -width, -width, width, width };
	 static double[] y = { -height, height, height, -height };
	
	 public static void draw(boolean b, Snake snake1, Snake snake2) {
	 StdDraw.clear();
	 StdDraw.setPenColor(Color.lightGray);
	 StdDraw.filledSquare(0, 0, 50);
	 Food.drawFood();
	 snake1.drawSnake();
	 if (snake2 != null)
	 snake2.drawSnake();
	 if (b)
	 StdDraw.setPenColor(Color.ORANGE);
	 else
	 StdDraw.setPenColor(Color.BLACK);
	 StdDraw.setPenRadius(0.02);
	 StdDraw.polygon(x, y);
	 StdDraw.setPenRadius();
	 StdDraw.setPenColor(Color.red);
	 StdDraw.textLeft((double) -width, (double) height + 1, "score:"
	 + Food.result);
	 StdDraw.text(0.0, (double) height + 1, "Grade:"
	 + (Food.result / 10 > 25 ? 25 : Food.result / 10));
	 if (Food.special.p != null)
	 StdDraw.textRight((double) width, (double) height + 1, "time:"
	 + Food.special.score);
	 // if(Food.grass.p!=null)
	 // StdDraw.text(10.0, (double)height+1, "grass:"+Food.grass.score);
	 StdDraw.setPenColor(Food.general.c);
	 StdDraw.filledSquare(-width, height + 2.3, 0.5);
	 StdDraw.textLeft(0.5 - width, height + 2.3, "general");
	 StdDraw.setPenColor(Food.special.c);
	 StdDraw.filledSquare(-width / 2, height + 2.3, 0.5);
	 StdDraw.textLeft(0.5 - width / 2, height + 2.3, "special");
	 StdDraw.setPenColor(Food.grass.c);
	 StdDraw.filledSquare(0, height + 2.3, 0.5);
	 StdDraw.textLeft(0.5, height + 2.3, "grass");
	 StdDraw.setPenColor(Food.rock.c);
	 StdDraw.filledSquare(width / 2, height + 2.3, 0.5);
	 StdDraw.textLeft(0.5 + width / 2, height + 2.3, "rock");
	 }
	
	 public static void drawmap(int wt, int ht) {
	 width = wt / 2;
	 height = ht / 2;
	 x[0] = -width;
	 x[1] = -width;
	 x[2] = width;
	 x[3] = width;
	 y[0] = -height;
	 y[1] = height;
	 y[2] = height;
	 y[3] = -height;
	 int w = width * 600 / (height + 1);
	 int h = 600;
	 StdDraw.setCanvasSize(w, h);
	 StdDraw.setXscale(-width, width);
	 StdDraw.setYscale(-height, height + 2);
	 }
	}

	

	package snake;
	
	import java.awt.*;
	
	public class Snake {
	 protected char direction = 'l';
	 protected Body head = null;
	 protected Body tail = null;
	 protected boolean life = true;
	
	 protected static class Body {
	 Point p;
	 Color c;
	 Body last;
	 Body next;
	
	 public Body(int i) {
	 if (i == 1)
	 this.c = Color.CYAN;
	 else
	 this.c = Color.PINK;
	 }
	 }
	
	 Snake(int i) {
	 head = new Body(i);
	 if (i == 1)
	 head.c = Color.BLUE;
	 else
	 head.c = Color.RED;
	 head.p = new Point(-1, 2 * i - 3);
	 head.next = new Body(i);
	 head.next.p = new Point(0, 2 * i - 3);
	 head.next.next = new Body(i);
	 head.next.next.p = new Point(1, 2 * i - 3);
	 tail = head;
	 while (tail.next != null) {
	 tail.next.last = tail;
	 tail = tail.next;
	 }
	 }
	
	 private void draw(Body temp) {
	 StdDraw.setPenColor(temp.c);
	 StdDraw.filledCircle(temp.p.x, temp.p.y, 0.6);
	 }
	
	 public void drawSnake() {
	 Body temp = head;
	 do {
	 draw(temp);
	 temp = temp.next;
	 } while (temp != null);
	 }
	
	 public boolean alive(boolean b, Snake another) {
	 Body temp = head.next;
	 if (another != null) {
	 if (head.p.equals(another.head.p)) {
	 life = false;
	 another.life = false;
	 return false;
	 }
	 }
	 do {
	 if (head.p.equals(temp.p)) {
	 life = false;
	 return life;
	 }
	 temp = temp.next;
	 } while (temp != null);
	 if (!b) {
	 if (head.p.x >= Map.width || head.p.x <= -Map.width
	 || head.p.y >= Map.height || head.p.y <= -Map.height) {
	 life = false;
	 return life;
	 }
	 }
	 if (another != null) {
	 temp = another.head;
	 do {
	 if (head.p.equals(temp.p)) {
	 life = false;
	 return life;
	 }
	 temp = temp.next;
	 } while (temp != null);
	 }
	 if (head.p.equals(Food.rock.p))
	 life = false;
	 return life;
	 }
	
	 public void move(char in, boolean b) {
	 if (direction == 'u' || direction == 'd') {
	 if (in == 'l') {
	 moveleft(b);
	 return;
	 }
	 if (in == 'r') {
	 moveright(b);
	 return;
	 }
	 movestill(b);
	 return;
	 } else {
	 if (in == 'u') {
	 moveup(b);
	 return;
	 }
	 if (in == 'd') {
	 movedown(b);
	 return;
	 }
	 movestill(b);
	 return;
	 }
	 }
	
	 private void moveup(boolean b) {
	 Body temp = tail;
	 while (temp != head) {
	 temp.p = temp.last.p;
	 temp = temp.last;
	 }
	 if (head.next.p.y + 1 >= Map.height && b)
	 head.p = new Point(head.next.p.x, -Map.height + 1);
	 else
	 head.p = new Point(head.next.p.x, head.next.p.y + 1);
	 direction = 'u';
	 return;
	 }
	
	 private void movedown(boolean b) {
	 Body temp = tail;
	 while (temp != head) {
	 temp.p = temp.last.p;
	 temp = temp.last;
	 }
	 if (head.next.p.y - 1 <= -Map.height && b)
	 head.p = new Point(head.next.p.x, Map.height - 1);
	 else
	 head.p = new Point(head.next.p.x, head.next.p.y - 1);
	 direction = 'd';
	 return;
	 }
	
	 private void moveleft(boolean b) {
	 Body temp = tail;
	 while (temp != head) {
	 temp.p = temp.last.p;
	 temp = temp.last;
	 }
	 if (head.next.p.x - 1 <= -Map.width && b)
	 head.p = new Point(Map.width - 1, head.next.p.y);
	 else
	 head.p = new Point(head.next.p.x - 1, head.next.p.y);
	 direction = 'l';
	 return;
	 }
	
	 private void moveright(boolean b) {
	 Body temp = tail;
	 while (temp != head) {
	 temp.p = temp.last.p;
	 temp = temp.last;
	 }
	 if (head.next.p.x + 1 >= Map.width && b)
	 head.p = new Point(-Map.width + 1, head.next.p.y);
	 else
	 head.p = new Point(head.next.p.x + 1, head.next.p.y);
	 direction = 'r';
	 return;
	 }
	
	 private void movestill(boolean b) {
	 switch (direction) {
	 case 'u':
	 moveup(b);
	 return;
	 case 'd':
	 movedown(b);
	 return;
	 case 'l':
	 moveleft(b);
	 return;
	 case 'r':
	 moveright(b);
	 return;
	 }
	 }
	}
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