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PathFindingVisualizer Source Code.java
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PathFindingVisualizer Source Code.java
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// SÜHA TANRIVERDİ - 201611689
// CENG-344 Java - Section 1
// Path Finding Visualization Project
// Genesis Corporation™
// All Rights Reserved. 2020
package PathFindingVisualizer;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Panel;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Stack;
import java.util.concurrent.ThreadLocalRandom;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
public class PathFindingVisualizer extends javax.swing.JFrame {
// Variables
private int startX = -1;
private int startY = -1;
private int finishX = -1;
private int finishY = -1;
private int numberOfCells = 5;
private int GLOBAL_DELAY = 5;
private final int WIDTH = 1118;
private final int HEIGHT = 778;
private final int MAPSIZE = 778;
private int CELLSIZE = MAPSIZE / numberOfCells;
// Directions
final Pair[] directions = new Pair[8];
// Tools Button Active Status Array
/*
[0] -> START Button
[1] -> FINISH Button
[2] -> WALL Button
*/
private int tool = 2;
// 2D Map Array
Cell[][] map;
// Grid (Window Size: [1118, 778])
Map grid;
// Algorithms
Algorithms RunAlgorithm;
String currentSelectedAlgorithm = "BFS";
// Searching
private boolean searching = false;
private boolean isThreadStarted = false;
// Colors
Color wallColor = new Color(117, 59, 2);
Color startColor = new Color(255, 51, 153);
Color finishColor = new Color(51, 204, 255);
Color visitedColor = new Color(187, 242, 78);
Color finalPathColor = new Color(255, 153, 51);
// Constructor
public PathFindingVisualizer() {
initComponents();
directions[0] = new Pair(1, 0);
directions[1] = new Pair(0, 1);
directions[2] = new Pair(-1, 0);
directions[3] = new Pair(0, -1);
directions[4] = new Pair(1, 1);
directions[5] = new Pair(-1, 1);
directions[6] = new Pair(1, -1);
directions[7] = new Pair(-1, -1);
grid = new Map();
grid.setBounds(0, 0, jPanel2.getHeight(), jPanel2.getHeight());
initializeGrid();
jPanel2.add(grid);
}
// Initializes the map from scratch
public void initializeGrid() {
finishX = -1;
finishY = -1;
startX = -1;
startY = -1;
map = new Cell[numberOfCells][numberOfCells];
for (int x = 0; x < numberOfCells; x++) {
for (int y = 0; y < numberOfCells; y++) {
map[x][y] = new Cell(2, x, y);
}
}
}
// Updates the elements of the Grid
public void updateGrid() {
CELLSIZE = jPanel2.getHeight() / numberOfCells;
grid.repaint();
}
// resets the grid
public void resetGrid() {
initializeGrid();
}
/**
* This method is called from within the constructor to initialize the form. WARNING: Do NOT modify this code. The content of this method is always regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jDesktopPane1 = new javax.swing.JDesktopPane();
jPanel1 = new javax.swing.JPanel();
label1 = new java.awt.Label();
jLayeredPane1 = new javax.swing.JLayeredPane();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
jButton3 = new javax.swing.JButton();
jComboBox1 = new javax.swing.JComboBox<>();
label2 = new java.awt.Label();
slider = new javax.swing.JSlider();
label3 = new java.awt.Label();
gridSize = new javax.swing.JLabel();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jRadioButton_AddStartButton = new javax.swing.JRadioButton();
jRadioButton2_AddFinishButton = new javax.swing.JRadioButton();
jRadioButton3_AddWallButton = new javax.swing.JRadioButton();
label4 = new java.awt.Label();
jPanel3 = new javax.swing.JPanel();
jPanel4 = new javax.swing.JPanel();
jPanel5 = new javax.swing.JPanel();
label5 = new java.awt.Label();
label6 = new java.awt.Label();
label7 = new java.awt.Label();
label8 = new java.awt.Label();
jPanel6 = new javax.swing.JPanel();
label9 = new java.awt.Label();
jPanel7 = new javax.swing.JPanel();
label10 = new java.awt.Label();
jRadioButton3_AddRemoveButton1 = new javax.swing.JRadioButton();
jSlider1 = new javax.swing.JSlider();
label11 = new java.awt.Label();
gridSize1 = new javax.swing.JLabel();
jPanel2 = new javax.swing.JPanel();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
setTitle("Pathfinding Visualization");
setBackground(new java.awt.Color(255, 255, 255));
setResizable(false);
jPanel1.setBackground(new java.awt.Color(153, 153, 153));
label1.setAlignment(java.awt.Label.CENTER);
label1.setFont(new java.awt.Font("Microsoft YaHei UI", 1, 18)); // NOI18N
label1.setText("Menu");
javax.swing.GroupLayout jLayeredPane1Layout = new javax.swing.GroupLayout(jLayeredPane1);
jLayeredPane1.setLayout(jLayeredPane1Layout);
jLayeredPane1Layout.setHorizontalGroup(
jLayeredPane1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 192, Short.MAX_VALUE)
);
jLayeredPane1Layout.setVerticalGroup(
jLayeredPane1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 44, Short.MAX_VALUE)
);
jButton1.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
jButton1.setText("Start Path Finding");
jButton1.setToolTipText("Starts path finding process");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
jButton2.setText("Generate Random Map");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
jButton3.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
jButton3.setText("Clear Path");
jButton3.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton3ActionPerformed(evt);
}
});
jComboBox1.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
jComboBox1.setMaximumRowCount(2);
jComboBox1.setModel(new javax.swing.DefaultComboBoxModel<>(new String[] { "BFS", "DFS" }));
jComboBox1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jComboBox1ActionPerformed(evt);
}
});
label2.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label2.setText("Select Algorithm");
slider.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
slider.setMajorTickSpacing(5);
slider.setMaximum(30);
slider.setMinimum(5);
slider.setPaintLabels(true);
slider.setPaintTicks(true);
slider.setSnapToTicks(true);
slider.setValue(5);
slider.setAlignmentX(1.0F);
slider.setAlignmentY(1.0F);
slider.setCursor(new java.awt.Cursor(java.awt.Cursor.DEFAULT_CURSOR));
slider.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
sliderStateChanged(evt);
}
});
label3.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label3.setText("Grid Size");
gridSize.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
gridSize.setForeground(new java.awt.Color(0, 0, 0));
gridSize.setText(this.slider.getValue()+"x"+this.slider.getValue());
jLabel1.setFont(new java.awt.Font("Arial Black", 0, 12)); // NOI18N
jLabel1.setText("Genesis Corporation™ 2020");
jLabel2.setFont(new java.awt.Font("Arial Black", 0, 12)); // NOI18N
jLabel2.setText("All Rights Reserved.");
jRadioButton_AddStartButton.setText("Add Start Point");
jRadioButton_AddStartButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
jRadioButton_AddStartButtonStateChanged(evt);
}
});
jRadioButton_AddStartButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton_AddStartButtonActionPerformed(evt);
}
});
jRadioButton2_AddFinishButton.setText("Add Finish Point");
jRadioButton2_AddFinishButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton2_AddFinishButtonActionPerformed(evt);
}
});
jRadioButton3_AddWallButton.setText("Add Wall");
jRadioButton3_AddWallButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton3_AddWallButtonActionPerformed(evt);
}
});
label4.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label4.setText("Finish Point");
jPanel3.setBackground(new java.awt.Color(255, 51, 153));
javax.swing.GroupLayout jPanel3Layout = new javax.swing.GroupLayout(jPanel3);
jPanel3.setLayout(jPanel3Layout);
jPanel3Layout.setHorizontalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 0, Short.MAX_VALUE)
);
jPanel3Layout.setVerticalGroup(
jPanel3Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 20, Short.MAX_VALUE)
);
jPanel4.setBackground(new java.awt.Color(51, 204, 255));
javax.swing.GroupLayout jPanel4Layout = new javax.swing.GroupLayout(jPanel4);
jPanel4.setLayout(jPanel4Layout);
jPanel4Layout.setHorizontalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 0, Short.MAX_VALUE)
);
jPanel4Layout.setVerticalGroup(
jPanel4Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 20, Short.MAX_VALUE)
);
jPanel5.setBackground(new java.awt.Color(117, 59, 2));
jPanel5.setPreferredSize(new java.awt.Dimension(0, 20));
javax.swing.GroupLayout jPanel5Layout = new javax.swing.GroupLayout(jPanel5);
jPanel5.setLayout(jPanel5Layout);
jPanel5Layout.setHorizontalGroup(
jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 0, Short.MAX_VALUE)
);
jPanel5Layout.setVerticalGroup(
jPanel5Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 20, Short.MAX_VALUE)
);
label5.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label5.setText("Select Tool");
label6.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label6.setText("Information");
label7.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label7.setText("Start Point");
label8.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label8.setText(" Visited Cell");
jPanel6.setBackground(new java.awt.Color(187, 242, 78));
jPanel6.setPreferredSize(new java.awt.Dimension(0, 20));
javax.swing.GroupLayout jPanel6Layout = new javax.swing.GroupLayout(jPanel6);
jPanel6.setLayout(jPanel6Layout);
jPanel6Layout.setHorizontalGroup(
jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 41, Short.MAX_VALUE)
);
jPanel6Layout.setVerticalGroup(
jPanel6Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 20, Short.MAX_VALUE)
);
label9.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label9.setText("Wall (Obstacle)");
jPanel7.setBackground(new java.awt.Color(255, 153, 51));
jPanel7.setToolTipText("");
jPanel7.setPreferredSize(new java.awt.Dimension(0, 20));
javax.swing.GroupLayout jPanel7Layout = new javax.swing.GroupLayout(jPanel7);
jPanel7.setLayout(jPanel7Layout);
jPanel7Layout.setHorizontalGroup(
jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 41, Short.MAX_VALUE)
);
jPanel7Layout.setVerticalGroup(
jPanel7Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 20, Short.MAX_VALUE)
);
label10.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label10.setText("Final Path");
jRadioButton3_AddRemoveButton1.setText("Remove Wall");
jRadioButton3_AddRemoveButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jRadioButton3_AddRemoveButton1ActionPerformed(evt);
}
});
jSlider1.setMajorTickSpacing(5);
jSlider1.setMaximum(50);
jSlider1.setMinimum(5);
jSlider1.setMinorTickSpacing(5);
jSlider1.setPaintLabels(true);
jSlider1.setPaintTicks(true);
jSlider1.setSnapToTicks(true);
jSlider1.setToolTipText("");
jSlider1.setValue(5);
jSlider1.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
jSlider1StateChanged(evt);
}
});
label11.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
label11.setText("Delay");
gridSize1.setFont(new java.awt.Font("Dialog", 1, 14)); // NOI18N
gridSize1.setForeground(new java.awt.Color(0, 0, 0));
gridSize1.setText("5");
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(42, 42, 42)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(label2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jComboBox1, 0, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(slider, javax.swing.GroupLayout.PREFERRED_SIZE, 192, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(label3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(36, 36, 36)
.addComponent(gridSize, javax.swing.GroupLayout.PREFERRED_SIZE, 106, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 192, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(label6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel4, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel6, javax.swing.GroupLayout.DEFAULT_SIZE, 41, Short.MAX_VALUE)
.addComponent(jPanel3, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel5, javax.swing.GroupLayout.DEFAULT_SIZE, 41, Short.MAX_VALUE)
.addComponent(jPanel7, javax.swing.GroupLayout.DEFAULT_SIZE, 41, Short.MAX_VALUE))
.addGap(20, 20, 20)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(label7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
.addComponent(label11, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(gridSize1, javax.swing.GroupLayout.PREFERRED_SIZE, 28, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(jSlider1, javax.swing.GroupLayout.Alignment.LEADING, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addComponent(label5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jRadioButton_AddStartButton, javax.swing.GroupLayout.PREFERRED_SIZE, 133, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jRadioButton2_AddFinishButton, javax.swing.GroupLayout.PREFERRED_SIZE, 133, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jRadioButton3_AddWallButton, javax.swing.GroupLayout.PREFERRED_SIZE, 133, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jRadioButton3_AddRemoveButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 133, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(145, 145, 145)
.addComponent(jLayeredPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(label1, javax.swing.GroupLayout.PREFERRED_SIZE, 279, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, Short.MAX_VALUE))))
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(label1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jLayeredPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGroup(jPanel1Layout.createSequentialGroup()
.addComponent(jButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton3)))
.addGap(2, 2, 2)
.addComponent(label2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(1, 1, 1)
.addComponent(jComboBox1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(9, 9, 9)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(label3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(gridSize))
.addGap(2, 2, 2)
.addComponent(slider, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(label5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(2, 2, 2)
.addComponent(jRadioButton_AddStartButton)
.addGap(4, 4, 4)
.addComponent(jRadioButton2_AddFinishButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jRadioButton3_AddWallButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jRadioButton3_AddRemoveButton1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(label11, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(gridSize1))
.addGap(4, 4, 4)
.addComponent(jSlider1, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(label6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(1, 1, 1)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(13, 13, 13)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(13, 13, 13)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel5, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label9, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(13, 13, 13)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel6, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label8, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel7, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(label10, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel2)
.addContainerGap())
);
jDesktopPane1.setLayer(jPanel1, javax.swing.JLayeredPane.DEFAULT_LAYER);
javax.swing.GroupLayout jDesktopPane1Layout = new javax.swing.GroupLayout(jDesktopPane1);
jDesktopPane1.setLayout(jDesktopPane1Layout);
jDesktopPane1Layout.setHorizontalGroup(
jDesktopPane1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jDesktopPane1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, 300, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
jDesktopPane1Layout.setVerticalGroup(
jDesktopPane1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jDesktopPane1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap())
);
jPanel2.setBackground(new java.awt.Color(204, 255, 204));
jPanel2.setPreferredSize(new java.awt.Dimension(788, 788));
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 788, Short.MAX_VALUE)
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 0, Short.MAX_VALUE)
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jDesktopPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jDesktopPane1))
.addContainerGap())
);
pack();
setLocationRelativeTo(null);
}// </editor-fold>//GEN-END:initComponents
private void sliderStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_sliderStateChanged
// Change the text label with respect to slider value
this.gridSize.setText(this.slider.getValue() + " x " + this.slider.getValue());
this.numberOfCells = this.slider.getValue();
initializeGrid();
updateGrid();
resetGrid();
// System.out.println("Map Size: " + this.mapsize);
}//GEN-LAST:event_sliderStateChanged
private void jComboBox1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jComboBox1ActionPerformed
// TODO add your handling code here:
}//GEN-LAST:event_jComboBox1ActionPerformed
// Generates Random Grid
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
initializeGrid();
int randomValue;
for (int x = 0; x < numberOfCells; x++) {
randomValue = ThreadLocalRandom.current().nextInt(0, numberOfCells);
map[x][randomValue].setType(3); // Makes current cell wall
randomValue = ThreadLocalRandom.current().nextInt(0, numberOfCells);
map[x][randomValue].setType(3); // Makes current cell wall
}
updateGrid();
}//GEN-LAST:event_jButton2ActionPerformed
private void jRadioButton_AddStartButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_jRadioButton_AddStartButtonStateChanged
// TODO add your handling code here:
}//GEN-LAST:event_jRadioButton_AddStartButtonStateChanged
private void jRadioButton_AddStartButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jRadioButton_AddStartButtonActionPerformed
tool = 0; // Enables START Button
jRadioButton3_AddWallButton.setSelected(false);
jRadioButton2_AddFinishButton.setSelected(false);
jRadioButton3_AddRemoveButton1.setSelected(false);
}//GEN-LAST:event_jRadioButton_AddStartButtonActionPerformed
private void jRadioButton2_AddFinishButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jRadioButton2_AddFinishButtonActionPerformed
tool = 1; // Enables FINISH Button
jRadioButton3_AddWallButton.setSelected(false);
jRadioButton_AddStartButton.setSelected(false);
jRadioButton3_AddRemoveButton1.setSelected(false);
}//GEN-LAST:event_jRadioButton2_AddFinishButtonActionPerformed
private void jRadioButton3_AddWallButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jRadioButton3_AddWallButtonActionPerformed
tool = 3; // Enables WALL Button
jRadioButton_AddStartButton.setSelected(false);
jRadioButton2_AddFinishButton.setSelected(false);
jRadioButton3_AddRemoveButton1.setSelected(false);
}//GEN-LAST:event_jRadioButton3_AddWallButtonActionPerformed
private void jRadioButton3_AddRemoveButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jRadioButton3_AddRemoveButton1ActionPerformed
tool = 2; // Enables REMOVE Button
jRadioButton_AddStartButton.setSelected(false);
jRadioButton2_AddFinishButton.setSelected(false);
jRadioButton3_AddWallButton.setSelected(false);
}//GEN-LAST:event_jRadioButton3_AddRemoveButton1ActionPerformed
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
String value = jComboBox1.getSelectedItem().toString();
if (value == "BFS") {
currentSelectedAlgorithm = "BFS";
} else {
currentSelectedAlgorithm = "DFS";
}
if (startX == -1 || startY == -1 || finishX == -1 || finishY == -1) {
JOptionPane.showMessageDialog(jPanel2, "Please mark your start and finish points on grid!");
} else {
// Creates New Thread each time
RunAlgorithm = new Algorithms();
RunAlgorithm.start();
}
}//GEN-LAST:event_jButton1ActionPerformed
void hiddenAllButtons(Boolean status) {
jButton1.setEnabled(status);
jButton2.setEnabled(status);
jButton3.setEnabled(status);
jComboBox1.setEnabled(status);
slider.setEnabled(status);
jRadioButton_AddStartButton.setEnabled(status);
jRadioButton2_AddFinishButton.setEnabled(status);
jRadioButton3_AddWallButton.setEnabled(status);
jRadioButton3_AddRemoveButton1.setEnabled(status);
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton3ActionPerformed
resetGrid();
updateGrid();
}//GEN-LAST:event_jButton3ActionPerformed
private void jSlider1StateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_jSlider1StateChanged
this.gridSize1.setText(this.jSlider1.getValue() + "");
GLOBAL_DELAY = this.jSlider1.getValue();
}//GEN-LAST:event_jSlider1StateChanged
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(PathFindingVisualizer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(PathFindingVisualizer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(PathFindingVisualizer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(PathFindingVisualizer.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new PathFindingVisualizer().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JLabel gridSize;
private javax.swing.JLabel gridSize1;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JButton jButton3;
private javax.swing.JComboBox<String> jComboBox1;
private javax.swing.JDesktopPane jDesktopPane1;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLayeredPane jLayeredPane1;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
private javax.swing.JPanel jPanel3;
private javax.swing.JPanel jPanel4;
private javax.swing.JPanel jPanel5;
private javax.swing.JPanel jPanel6;
private javax.swing.JPanel jPanel7;
private javax.swing.JRadioButton jRadioButton2_AddFinishButton;
private javax.swing.JRadioButton jRadioButton3_AddRemoveButton1;
private javax.swing.JRadioButton jRadioButton3_AddWallButton;
private javax.swing.JRadioButton jRadioButton_AddStartButton;
private javax.swing.JSlider jSlider1;
private java.awt.Label label1;
private java.awt.Label label10;
private java.awt.Label label11;
private java.awt.Label label2;
private java.awt.Label label3;
private java.awt.Label label4;
private java.awt.Label label5;
private java.awt.Label label6;
private java.awt.Label label7;
private java.awt.Label label8;
private java.awt.Label label9;
private javax.swing.JSlider slider;
// End of variables declaration//GEN-END:variables
// Map class which maintains user interface of the grid and painting
class Map extends JPanel implements MouseListener, MouseMotionListener {
public Map() {
addMouseListener(this);
addMouseMotionListener(this);
}
/*
// Colors
Color wallColor = new Color(117, 59, 2);
Color startColor = new Color(255, 51, 153);
Color finishColor = new Color(51, 204, 255);
Color visitedColor = new Color(187, 242, 78);
Color finalPathColor = new Color(255, 153, 51);
0-) Start
1-) Finish (Destination)
2-) Empty Cell (WHITE)
3-) Wall (BROWN)
4-) Visited (Checked)
5-) Final Path
*/
public void paintComponent(Graphics g) {
super.paintComponent(g);
for (int x = 0; x < numberOfCells; x++) {
for (int y = 0; y < numberOfCells; y++) {
switch (map[x][y].getType()) {
case 0:
g.setColor(startColor);
break;
case 1:
g.setColor(finishColor);
break;
case 2:
g.setColor(Color.WHITE);
break;
case 3:
g.setColor(wallColor);
break;
case 4:
g.setColor(visitedColor);
break;
case 5:
g.setColor(finalPathColor);
break;
}
g.fillRect(x * CELLSIZE, y * CELLSIZE, CELLSIZE, CELLSIZE);
g.setColor(Color.BLACK);
g.drawRect(x * CELLSIZE, y * CELLSIZE, CELLSIZE, CELLSIZE);
}
}
}
@Override
public void mouseDragged(MouseEvent e) {
if (searching) {
return;
}
try {
int x = e.getX() / CELLSIZE;
int y = e.getY() / CELLSIZE;
Cell currentCell = map[x][y];
if ((tool == 2 || tool == 3) && (currentCell.getType() != 0 && currentCell.getType() != 1)) {
currentCell.setType(tool);
}
updateGrid();
} catch (Exception z) {
}
}
@Override
public void mouseClicked(MouseEvent e) {
}
@Override
public void mousePressed(MouseEvent e) {
if (searching) {
return;
}
try {
int x = e.getX() / CELLSIZE;
int y = e.getY() / CELLSIZE;
Cell current = map[x][y];
switch (tool) {
// Start Point
case 0: {
// If not wall and finish
if (current.getType() != 3 && current.getType() != 1) {
if (startX > -1 && startY > -1) {
// Remove previous start point
map[startX][startY].setType(2);
}
startX = x;
startY = y;
current.setType(tool);
}
break;
}
// Finish Point
case 1: {
// If not wall and start
if (current.getType() != 3 && current.getType() != 0) {
if (finishX > -1 && finishY > -1) {
// Remove previous finish point
map[finishX][finishY].setType(2);
}
finishX = x;
finishY = y;
current.setType(tool);
}
break;
}
default:
if (current.getType() != 0 && current.getType() != 1) {
current.setType(tool);
}
break;
}
updateGrid();
} catch (Exception z) {
}
}
@Override
public void mouseMoved(MouseEvent e) {
}
@Override
public void mouseEntered(MouseEvent e) {
}
@Override
public void mouseExited(MouseEvent e) {
}
@Override
public void mouseReleased(MouseEvent e) {
}
}
// THIS CLASS IS USING CONCURRENCY by THREADS
// Algorithms class which contains "Breadth-First Search (BFS)" and "Depth-First Search(DFS)" pathfinding algorithms
class Algorithms extends Thread {
public void BreadthFirstSearch() {
Queue<Cell> queue = new LinkedList<>();
Cell startCell = map[startX][startY];
queue.add(startCell);
// System.out.println("Starting cell: " + startCell.getType());
while (queue.size() > 0) {
Cell currentCell = queue.poll();
// search for 8 neighbors
for (int i = 0; i < directions.length; i++) {
int nx = currentCell.getX() + directions[i].first;
int ny = currentCell.getY() + directions[i].second;
if (nx == finishX && ny == finishY) {
updateGrid();
extractingFinalPath(currentCell.getX(), currentCell.getY());
updateGrid();
return;
}
// Reached Finish Point
// If cell is inside of map and empty
if (inside(nx, ny) && map[nx][ny].getType() == 2) {
queue.add(new Cell(4, nx, ny));
map[nx][ny].setType(4); // Mark as visited
// Save where we came from
map[nx][ny].previousX = currentCell.getX();
map[nx][ny].previousY = currentCell.getY();
// Put delay
delay();
}
updateGrid();
}
}
updateGrid();
}
public void DepthFirstSearch() {
Stack<Cell> stack = new Stack<Cell>();
Cell startCell = map[startX][startY];
stack.add(startCell);
while (stack.size() > 0) {
Cell currentCell = stack.pop();
// search for 8 neighbors
for (int i = 0; i < directions.length; i++) {
int nx = currentCell.getX() + directions[i].first;
int ny = currentCell.getY() + directions[i].second;
// Reached Finish Point
if (nx == finishX && ny == finishY) {
updateGrid();
extractingFinalPath(currentCell.getX(), currentCell.getY());
updateGrid();
return;
}
// If cell is inside of map and empty
if (inside(nx, ny) && map[nx][ny].getType() == 2) {
stack.add(new Cell(4, nx, ny));
map[nx][ny].setType(4); // Mark as visited
// Save where we came from
map[nx][ny].previousX = currentCell.getX();
map[nx][ny].previousY = currentCell.getY();
// Put delay
delay();
}
updateGrid();
}
}
updateGrid();
}
public void extractingFinalPath(int nx, int ny) {
int tempX, tempY;
while (!(nx == startX && ny == startY)) {
map[nx][ny].setType(5); // Mark as final path color, Paint ORANGE!
tempX = map[nx][ny].previousX;
tempY = map[nx][ny].previousY;
nx = tempX;
ny = tempY;
delay();
updateGrid();
}
updateGrid();
}
public boolean inside(int x, int y) {
if (x < 0 || x >= map.length || y < 0 || y >= map.length) {
return false;
}
return true;
}
// CONCURRENCY
@Override
public void run() {
searching = true;
hiddenAllButtons(!searching);
if (currentSelectedAlgorithm == "BFS") {
RunAlgorithm.BreadthFirstSearch();
} else {
RunAlgorithm.DepthFirstSearch();
}
searching = false;
hiddenAllButtons(!searching);
}
}
// Puts some delay for algorithms
public void delay() {
try {
Thread.sleep(GLOBAL_DELAY);
} catch (Exception e) {
}
}
// Cell class
class Cell {
int x;
int y;