Create a folder like Snake\src\snake\snake.java,RenderPanel.java
1.Create a File Name snake.java
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package snake;import java.awt.Dimension;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.Random;
import javax.swing.JFrame;
import javax.swing.Timer;
/**
* CREATED BY AJAY RATHOD(ajju)
*/
public class Snake implements ActionListener, KeyListener {
public static Snake snake;
public JFrame jframe;
public RenderPanel renderPanel;
public Timer timer = new Timer(20, this);
public ArrayList<Point> snakeParts = new ArrayList<Point>();
public static final int UP = 0, DOWN = 1, LEFT = 2, RIGHT = 3, SCALE = 10;
public int ticks = 0, direction = DOWN, score, tailLength = 10, time;
public Point head, cherry;
public Random random;
public boolean over = false, paused;
public Dimension dim;
public Snake() {
dim = Toolkit.getDefaultToolkit().getScreenSize();
jframe = new JFrame("Snake Created By Ajay Rathod(ajju) ");
jframe.setVisible(true);
jframe.setSize(805, 700);
jframe.setResizable(false);
jframe.setLocation(dim.width / 4 - jframe.getWidth() / 4, dim.height
/ 4 - jframe.getHeight() / 4);
jframe.add(renderPanel = new RenderPanel());
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jframe.addKeyListener(this);
startGame();
}
public void startGame() {
over = false;
paused = false;
time = 0;
score = 0;
tailLength = 1;
ticks = 0;
direction = DOWN;
head = new Point(0, -1);
random = new Random();
snakeParts.clear();
cherry = new Point(random.nextInt(79), random.nextInt(66));
timer.start();
}
@Override
public void actionPerformed(ActionEvent arg0) {
renderPanel.repaint();
ticks++;
if (ticks % 2 == 0 && head != null && !over && !paused) {
time++;
snakeParts.add(new Point(head.x, head.y));
if (direction == UP)
if (head.y - 1 >= 0 && noTailAt(head.x, head.y - 1))
head = new Point(head.x, head.y - 1);
else
over = true;
if (direction == DOWN)
if (head.y + 1 < 67 && noTailAt(head.x, head.y + 1))
head = new Point(head.x, head.y + 1);
else
over = true;
if (direction == LEFT)
if (head.x - 1 >= 0 && noTailAt(head.x - 1, head.y))
head = new Point(head.x - 1, head.y);
else
over = true;
if (direction == RIGHT)
if (head.x + 1 < 80 && noTailAt(head.x + 1, head.y))
head = new Point(head.x + 1, head.y);
else
over = true;
if (snakeParts.size() > tailLength)
snakeParts.remove(0);
if (cherry != null) {
if (head.equals(cherry)) {
score += 10;
tailLength++;
cherry.setLocation(random.nextInt(79), random.nextInt(66));
}
}
}
}
public boolean noTailAt(int x, int y) {
for (Point point : snakeParts) {
if (point.equals(new Point(x, y))) {
return false;
}
}
return true;
}
public static void main(String[] args) {
snake = new Snake();
}
@Override
public void keyPressed(KeyEvent e) {
int i = e.getKeyCode();
if ((i == KeyEvent.VK_A || i == KeyEvent.VK_LEFT) && direction != RIGHT)
direction = LEFT;
if ((i == KeyEvent.VK_D || i == KeyEvent.VK_RIGHT) && direction != LEFT)
direction = RIGHT;
if ((i == KeyEvent.VK_W || i == KeyEvent.VK_UP) && direction != DOWN)
direction = UP;
if ((i == KeyEvent.VK_S || i == KeyEvent.VK_DOWN) && direction != UP)
direction = DOWN;
if (i == KeyEvent.VK_SPACE)
if (over)
startGame();
else
paused = !paused;
}
@Override
public void keyReleased(KeyEvent e) {
}
@Override
public void keyTyped(KeyEvent e) {
}
}
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2.Create Seconde File Name : RenderPanel.java
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import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
import javax.swing.JPanel;
@SuppressWarnings("serial")
/**
* CREATED BY AJAY RATHOD(ajju)
*/
public class RenderPanel extends JPanel
{
public static Color black = new Color(1);
int c=0;
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(black);
g.fillRect(0, 0, 800, 700);
Snake snake = Snake.snake;
g.setColor(Color.WHITE);
for (Point point : snake.snakeParts) {
g.fillRect(point.x * Snake.SCALE, point.y * Snake.SCALE,
Snake.SCALE, Snake.SCALE);
}
g.fillRect(snake.head.x * Snake.SCALE, snake.head.y * Snake.SCALE,
Snake.SCALE, Snake.SCALE);
g.setColor(Color.green);
g.fillRect(snake.cherry.x * Snake.SCALE, snake.cherry.y * Snake.SCALE,
Snake.SCALE, Snake.SCALE);
String string = "|Score: " + snake.score + " | Length: "
+ snake.tailLength + " | Time: " + snake.time / 20+" |";
g.setColor(Color.YELLOW);
g.drawString(string, (int) (getWidth() / 1.15f - string.length() * 2.5f),
10);
g.setColor(Color.RED);
string = "Game Over! Better Luck Next Time";
if (snake.over)
g.drawString(string,
(int) (getWidth() / 2 - string.length() * 2.5f),
(int) snake.dim.getHeight() / 4);
string = "Paused! :(";
if (snake.paused && !snake.over)
g.drawString(string,
(int) (getWidth() / 2 - string.length() * 2.5f),
(int) snake.dim.getHeight() / 4);
}
}
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