UrbanPro
true

Learn Java Training from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

Puzzle Game coding

Venkatesh Kammampati
08/07/2019 0 0

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.Random;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;

import java.util.Random;
public class GameOfFifteen extends JPanel
{
private int size;
private int nbTiles;
private int dimension;
private static final Color FOREGROUND_COLOR=new Color(239,83,80);
private static final Random RANDOM=new Random();
private int[] tiles;
private int tileSize;
private int blankPos;
private int margin;
private int gridSize;
private boolean gameOver;
public GameOfFifteen(int size, int dimension, int margin)
{
super();
this.size = size;
this.dimension = dimension;
this.margin = margin;
nbTiles=size*size-1;
tiles=new int[size*size];
gridSize=(dimension-2*margin);
tileSize=gridSize/size;
setPreferredSize(new Dimension(dimension,dimension+margin));
setBackground(Color.WHITE);
setForeground(FOREGROUND_COLOR);
setFont(new Font("SansSerif",Font.BOLD,60));
gameOver=true;
addMouseListener(new MouseAdapter(){

public void mousePressed(MouseEvent e)
{

if(gameOver)
{
newGame();
}
else
{
int dir=0;
int ex=e.getX()-margin;
int ey=e.getY()-margin;
if(ex<0||ex>gridSize||ey<0||ey>gridSize)
return;
int c1=ex/tileSize;
int r1=ey/tileSize;
int c2=blankPos%size;
int r2=blankPos/size;
int clickPos=r1*size+c1;
if(c1==c2 && Math.abs(r1-r2)>0)

dir=(r1-r2)>0 ? size:-size;

else if(r1==r2 && Math.abs(c1-c2)>0)
dir=(c1-c2)>0? 1:-1;

if(dir!=0)
{
do {
int newBlankPos=blankPos+dir;
tiles[blankPos]=tiles[newBlankPos];
blankPos=newBlankPos;
}while(blankPos!=clickPos);
tiles[blankPos]=0;
}
gameOver=isSolved();
}
repaint();
}
});
newGame();

}
private void newGame() {
do {
reset();
shuffle();
}while(!isSolvable());
gameOver=false;
}
private void reset() {
for(int i=0;i<tiles.length;i++) {
tiles[i]=(i+1)%tiles.length;
}
blankPos=tiles.length-1;
}
private void shuffle()
{
int n=nbTiles;
while(n>1)
{
int r=RANDOM.nextInt(n--);
int tmp=tiles[r];
tiles[r]=tiles[n];
tiles[n]=tmp;
}
}
private boolean isSolvable()
{
int countInversions=0;
for(int i=0;i<nbTiles;i++)
{
for(int j=0;j<i;j++)
{
if(tiles[j]>tiles[i])
countInversions++;
}
}
return countInversions%2==0;
}
private boolean isSolved()
{
if(tiles[tiles.length-1]!=0)
return false;
for(int i=nbTiles-1;i>=0;i--)
{
if(tiles[i]!=i+1)
return false;
}
return true;
}
private void drawGrid(Graphics2D g)
{
for(int i=0;i<tiles.length;i++)
{
int r=i/size;
int c=i%size;
int x=margin+c*tileSize;
int y=margin+r*tileSize;
if(tiles[i]==0) {
if(gameOver) {
g.setColor(FOREGROUND_COLOR);
drawCenteredString(g,"|///",x,y);
}
continue;
}
g.setColor(getForeground());
g.fillRoundRect(x, y, tileSize, tileSize, 25, 25);
g.setColor(Color.BLACK);
g.drawRoundRect(x,y,tileSize,tileSize,25,25);
g.setColor(Color.WHITE);
drawCenteredString(g,String.valueOf(tiles[i]),x,y);
}
}
private void drawStartMessage(Graphics2D g) {
if(gameOver) {
g.setFont(getFont().deriveFont(Font.BOLD,18));
g.setColor(FOREGROUND_COLOR);
String s="Click to start new game";
g.drawString(s, (getWidth()-g.getFontMetrics().stringWidth(s))/2, getHeight()-margin);
}
}
private void drawCenteredString(Graphics2D g,String s,int x,int y)
{
FontMetrics fm=g.getFontMetrics();
int asc=fm.getAscent();
int desc=fm.getDescent();
g.drawString(s,x+(tileSize-fm.stringWidth(s))/2,y+(asc+(tileSize-(asc+desc))/2));
}
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
Graphics2D g2D=(Graphics2D)g;
g2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
drawGrid(g2D);
drawStartMessage(g2D);
}
public static void main(String[] args)
{
SwingUtilities.invokeLater(() ->
{
JFrame frame=new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setTitle("Game of Fifteen");
frame.setResizable(false);
frame.add(new GameOfFifteen(4,550,30),BorderLayout.CENTER);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
}
}

0 Dislike
Follow 2

Please Enter a comment

Submit

Other Lessons for You

Constructor Overloading
public class ConstructorOverloading { public ConstructorOverloading(){ System.out.println("default"); } public ConstructorOverloading(String a){ System.out.println("a"); } public ConstructorOverloading(int...
S

Sarthak C.

0 0
0

Java: A Quick Overview
Not purely Object Oriented: It doesn't support multiple inheritence, it supports primitive data types and static members. Doesn’t support multiple inheritance: Reason is diamond problem i.e.,...

Why Should We Learn Java Language?
Most of starters has confusion today that which of the programming language should be chosen to work on. It totally depends upon your need. As per my opinion, if you want to grow your career in IT industry...

Inheritance In Java
Inheritance: The process of getting properties and behaviors from one class to another class is called inheritance. Properties: Variables Behaviors: Methods The main purpose of the inheritance...
D

Deleted U.

1 0
0

Difference Between Checked And Un-Checked Exception
1. Exception is an abnormal condition in the program, if raises program terminates abnormally. 2. Exception always occurs at runtime only, there is no chance of exception at compile time. 3. Syntactical...
X

Looking for Java Training Classes?

The best tutors for Java Training Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn Java Training with the Best Tutors

The best Tutors for Java Training Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more