snake game

Code For Snake Game

import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.RenderingHints;
import java.awt.Toolkit;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.UIManager;
import javax.swing.UIManager.LookAndFeelInfo;
import javax.swing.border.TitledBorder;
/**
*
* @author Tony Stark
*/
public class SnakePanel extends JPanel implements Runnable{
static Toolkit tool = Toolkit.getDefaultToolkit();
Random r = new Random();
List<Point> points = new ArrayList<Point>();
Thread th;
int dx=-10,dy=0;
static SnakePanel pl;
int sleeptime =70;
Point food,bigfood;
boolean collided=false;
boolean running=false;
int score=0;
String dir="right";
boolean entered =false,visible=false;
int anm=100;
Graphics2D g;
static JLabel lbl = new JLabel();
static JLabel lb = new JLabel();
GradientPaint gp;
public SnakePanel(){
setOpaque(false);
for(int i=200;i<240;i+=10){
points.add(new Point(i,50));
}
lb.setFont(new Font("arial",Font.BOLD,20));
lbl.setFont(new Font("arial",Font.BOLD,20));
lb.setForeground(Color.BLUE);
lbl.setForeground(Color.BLUE);
try{
for(LookAndFeelInfo info:UIManager.getInstalledLookAndFeels()){
if(info.getName().equals("Nimbus")){
UIManager.setLookAndFeel(info.getClassName());
break;
}
}
}catch(Exception e){
System.out.println(e);
}
food = new Point(30,50);
th = new Thread(this);

}
@Override
public void paint(Graphics g2){
g =(Graphics2D)g2;
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setStroke(new BasicStroke(2,BasicStroke.CAP_ROUND,BasicStroke.JOIN_ROUND));
super.paint(g);
g.setFont(new Font("arial",Font.BOLD,20));
g.setColor(Color.lightGray);
for(int i=0;i<getWidth();i+=10){
g.drawLine(i, 0, i, getHeight());
}
for(int j=0;j<getHeight();j+=10){
g.drawLine(0, j, getWidth(), j);
}
tool.sync();
//The Code Below Draws The Food On Screen
g.setColor(Color.GREEN);
g.fill3DRect(food.x, food.y, 10, 10,true);
g.setColor(Color.red);
//The Lines Below Draws The BigFood
if(visible==true){
g.setColor(Color.RED);
g.fill3DRect(bigfood.x, bigfood.y, 10, 10, true);
g.setColor(Color.BLUE);
g.drawString("Time Left: ",150,30);
g.setColor(Color.GREEN);
g.drawRect(250, 10, 100, 20);
g.fill3DRect(250, 10, anm-=1, 20,false);
if(anm==0){
visible=false;
anm=100;
}
}
if(entered==false){
g.drawString("Press Enter To Start", 50, 200);
}
if(collided==true){
th.suspend();
th.stop();
int a = JOptionPane.showConfirmDialog(this, "Do You Want To Continue?", "Sorry You Lost The Game", JOptionPane.YES_NO_OPTION);
if(a==JOptionPane.YES_OPTION){
collided=false;
reset();
}
else{
System.exit(0);
}
}
else{
g.setColor(Color.RED);
//The Code Below Make The Points. Meaning The Snake Moves By The Following Code.
Point px = points.get(0);
points.get(0).setLocation(px.x+=dx, px.y+=dy);
g.setColor(Color.BLUE);
for(int i=1;i<points.size();++i){
if(i>1) g.setColor(Color.RED);
Point p =points.get(i).getLocation();
points.get(i).setLocation(px);
g.fill3DRect(px.x, px.y, 10, 10, true);
px=p;
}
//The Below Condition Checks If The Food Has Been Taken.If Taken Then Adds new Food For the Snake.
if(points.get(0).equals(food)){
addFood();
score+=10;
lbl.setText("Score = "+score);
points.add(new Point(0,0));
if(points.size()%5==0){
sleeptime-=5;
}
if(points.size()%10==0){
addBigFood();
visible=true;
anm=100;
}
}
if(points.get(0).equals(bigfood)){
visible=false;
score+=(anm*2);
sleeptime+=5;
lbl.setText("Score = "+score);
}
}
}
public void reset(){
points.clear();
for(int i=200;i<240;i+=10){
points.add(new Point(i,50));
}
addFood();
dx=-10;
dy=0;
score=0;
anm=100;
visible=false;
sleeptime =70;
dir="left";
lbl.setText(null);
th = new Thread(this);
th.start();
}
public void addFood(){
while(true){
boolean isOccupied=false;
Point p = new Point(r.nextInt(getWidth()-60)+40,r.nextInt(getHeight()-60)+40);
if(p.x%10==0&&p.y%10==0){
for(int i=0;i<points.size();++i){
if(p.equals(points.get(i))){
isOccupied=true;
break;
}
}
if(isOccupied==false){
food =p;
break;
}
}
}
}
public void addBigFood(){
while(true){
boolean isOccupied=false;
Point p = new Point(r.nextInt(getWidth()-60)+40,r.nextInt(getHeight()-60)+40);
if(p.x%10==0&&p.y%10==0){
for(int i=0;i<points.size();++i){
if(p.equals(points.get(i))){
isOccupied=true;
break;
}
if(p.equals(food)){
isOccupied=true;
break;
}
}
if(isOccupied==false){
bigfood =p;
break;
}
}
}
}
public void checkCollision(){
for(int i=3;i<points.size();++i){
if(points.get(i).equals(points.get(0))){
collided=true;
}
}
if(points.get(0).getX()+10>=getWidth()){
collided=true;
}
if(points.get(0).getX()<=0){
collided=true;
}
if(points.get(0).getY()+10>=getHeight()-10){
collided=true;
}
if(points.get(0).getY()<=0){
collided=true;
}
}
public void run(){
Thread me = Thread.currentThread();
while(me==th){
try{
repaint();
th.sleep(sleeptime);
checkCollision();
}catch(Exception e){
}
}
th =null;
}
public static void main(String args[]){
JFrame jfm = new JFrame();
jfm.setLayout(new BorderLayout());
jfm.setSize(400, 550);
jfm.getContentPane().setBackground(Color.WHITE);
pl =new SnakePanel();
lb.setBorder(BorderFactory.createTitledBorder(null, "Snake Game By Tony Stark", TitledBorder.CENTER, TitledBorder.BELOW_TOP, new Font("Tahoma", 1, 24), new Color(204, 0, 0)));
pl.setBorder(BorderFactory.createLineBorder(Color.BLUE, 2));
jfm.add(BorderLayout.NORTH,lb);
lbl.setBorder(BorderFactory.createTitledBorder(null, "Statistics", TitledBorder.CENTER, TitledBorder.BELOW_TOP, new Font("Tahoma", 1, 24), new Color(204, 0, 0)));
lbl.setFont(new Font("arial",Font.BOLD,20));
jfm.add(BorderLayout.CENTER,pl);
jfm.add(BorderLayout.PAGE_END, lbl);
jfm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jfm.setTitle("Snake Game By Tony Stark");
jfm.setVisible(true);
jfm.setLocation((int)(tool.getScreenSize().getWidth()-jfm.getWidth())/2,(int)tool.getScreenSize().getHeight()/2-jfm.getHeight()/2);
KeyListener kl = new KeyAdapter(){
@Override
public void keyPressed(KeyEvent ke){
if(ke.getKeyCode()==KeyEvent.VK_RIGHT){
if(!pl.dir.equals("left")){
pl.dir="right";
pl.dx=10;
pl.dy=0;}
}
if(ke.getKeyCode()==KeyEvent.VK_LEFT){
if(!pl.dir.equals("right")){
pl.dir="left";
pl.dx=-10;
pl.dy=0;}
}
if(ke.getKeyCode()==KeyEvent.VK_UP){
if(!pl.dir.equals("down")){
pl.dir="up";
pl.dx=0;
pl.dy=-10;}
}
if(ke.getKeyCode()==KeyEvent.VK_DOWN){
if(!pl.dir.equals("up")){
pl.dir="down";
pl.dx=0;
pl.dy=10;}
}
if(ke.getKeyCode()==KeyEvent.VK_P){
lbl.setText("Game Paused. Press 'S' to Resume.");
pl.th.suspend();
}
if(ke.getKeyCode()==KeyEvent.VK_S){
// lbl.setText("Game Is On");
pl.th.resume();
}
if(ke.getKeyCode()==KeyEvent.VK_X){
pl.th.stop();
System.exit(0);
}
if(ke.getKeyCode()==KeyEvent.VK_ENTER){
if(pl.running==false){
pl.entered =true;
pl.running=true;
pl.th.start();
}
}else{
ke.consume();
}
}
};
jfm.addKeyListener(kl);
}
}