Differences

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--- packperson [2023/05/08 16:27] – frchris
+++ packperson [2023/05/19 09:29] (current) – frchris
@@ Line 1: / Line 1: @@
 ====== Chase's Pack Person Game ======
+[[https://mathorama.com/apcs2/PacMaze.jar|PacMaze.jar]]
 [[https://mathorama.com/apcs/pmwiki.php?n=Main.MoveAMonsterApplication|Move Monster]]
@@ Line 8: / Line 10: @@
 {{::level1.png?400|}}
+{{::pacman.gif|packman.gif}}
+{{ ::packman.jar | Executable Jar file that tests the Cell, Level, and PackMan classes}}
 <code java Cell.java>
@@ Line 15: / Line 21: @@
 {
     public static final int NORTH=0, SOUTH=1, EAST=2, WEST=3;
     public static final int GAP = 5;
     private boolean[] canExit;// NSEW true if an exit
     private boolean visited;
     private int x, y, size;
     public Cell (int x, int y , int size)
     {
@@ Line 31: / Line 37: @@
         setAllExits(true);
     }
     public boolean canExit(int dir){
-        return canExit(dir);
+        return canExit[dir];
     }
     public void noExit(int dir) {
         canExit[dir] = false;
     }
     public void exit(int dir) {
         canExit[dir] = true;
     }
     public void setAllExits(boolean b){
         for(int i = 0; i < canExit.length; i++)
-             canExit[i] = b;
+            canExit[i] = b;
     }
+    public int getX(){
+        return x+size/2; //center
+    }
+    public int getY(){
+        return y+size/2;
+    }
+    public boolean beenVisited(){
+        return visited;
+    }
+    public void setVisited(boolean v)
+    {
+        visited = v;
+    }
+    public boolean contains(int x0, int y0){
+        return (x0 >= x) && (x0 <= x + size) &&
+        (y0 >= y) && (y0 <= y + size);
+    }
     public void draw(Graphics g)
     {
@@ Line 66: / Line 99: @@
         }
     }
-}
+    public String toString(){
+        String result="";
+        result += "("+x +", "+y+") Exits: ";
+        if(canExit[Cell.NORTH])
+            result += "N ";
+        if(canExit[Cell.SOUTH])
+            result += "S ";
+        if(canExit[Cell.EAST])
+            result += "E ";
+        if(canExit[Cell.WEST])
+            result += "W ";
+        return result;
+    }
+}
 </code>
 <code java Level.java>
 import java.awt.*;
 public class Level
@@ Line 84: / Line 129: @@
         this.top = top;
         this.left = left;
+        this.size = size;
         grid = new Cell[rows][cols];
         for(int r=0; r<rows; r++)
-           for(int c = 0; c < cols; c++){
+            for(int c = 0; c < cols; c++){
-               grid[r][c] = new Cell(left+c*size, top+r*size ,size);
+                grid[r][c] = new Cell(left+c*size, top+r*size ,size);
-           }
-        for(int c =0; c < cols; c++){
-             grid[0][c].noExit(Cell.NORTH);
-             grid[rows-1][c].noExit(Cell.SOUTH);
             }
+        for(int c =0; c < cols; c++){
+            grid[0][c].noExit(Cell.NORTH);
+            grid[rows-1][c].noExit(Cell.SOUTH);
+        }
         for(int r=0; r < rows; r++){
             grid[r][0].noExit(Cell.WEST);
@@ Line 98: / Line 144: @@
         }
     }
     public void noExit(int r, int c, int dir)
     {
         grid[r][c].noExit(dir);
     }
+    public int getXbyCol(int col){
+        return grid[0][col].getX();
+    }
+    public int getYbyRow(int row){
+        return grid[row][0].getY();
+    }
+    public int getSize(){
+        return size;
+    }
+    public Cell getCell(int x, int y){
+        for(Cell[] row:grid)
+            for(Cell c : row)
+                if (c.contains(x,y))
+                    return c;
+        return null;
+    }
+    /**
+     * CountCrumbs returns the number of unvisited cells
+     */
+    public int crumbsLeft(){
+        int n=0;
+        for(Cell[] row:grid)
+            for(Cell c : row)
+                if (!c.beenVisited())
+                    n++;
+        return n;
+    }
     public void draw(Graphics g)
     {
         for(Cell[] row:grid)
             for(Cell c : row)
-                   c.draw(g);
+                c.draw(g);
     }
 }
+</code>
+<code java PackMan.java>
+import java.awt.*;
+public class PackMan
+{
+    // instance variables - replace the example below with your own
+    private int x, y, size, direction;
+    private Level lev;
+    private Cell myCell;
+    private boolean isOpen;
+    public static final int SPEED = 10;
+    /**
+     * Constructor for objects of class PackMan
+     */
+    public PackMan(Level lev, int row, int col)
+    {
+        this.lev = lev;
+        this.size = lev.getSize()-10;
+        this.x = lev.getXbyCol(col);
+        this.y = lev.getYbyRow(row);
+        this.myCell = lev.getCell(x,y);
+        isOpen = false;
+        direction = Cell.SOUTH;
+        lev.getCell(x, y).setVisited(true);
+    }
+    public void setDirection(int dir)
+    {
+        direction = dir;
+    }
+    public void changeMouth()
+    {
+        isOpen = !isOpen;
+    }
+    public void move(){
+        int nextX = this.x;
+        int nextY = this.y;
+        if (direction == Cell.NORTH)
+            nextY = y - SPEED;
+        else if (direction == Cell.SOUTH)
+            nextY = y + SPEED;
+        else if (direction == Cell.EAST)
+            nextX = x + SPEED;
+        else if (direction == Cell.WEST)
+            nextX = x - SPEED;
+        Cell nextCell = lev.getCell(nextX, nextY);
+        if (myCell.canExit(direction))
+        {
+            this.x = nextX;
+            this.y = nextY;
+            this.myCell.setVisited(true);
+        }
+        if (myCell != nextCell){
+            myCell = nextCell;
+            this.x = myCell.getX();
+            this.y = myCell.getY();
+        }
+    }
+    public Cell getCell(){ return myCell; }
+    public int getDirection() {return direction;}
+    public void draw(Graphics g)
+    {
+        g.setColor(Color.YELLOW);
+        int x0 = x - size/2;
+        int y0 = y - size/2;
+        if( isOpen )
+           g.fillOval(x0,y0,size,size);
+        else if (direction == Cell.EAST)
+        {
+             g.fillArc(x0,y0,size,size, 45,270 );
+        }else if (direction == Cell.NORTH)
+        {
+             g.fillArc(x0,y0,size,size, 135,270 );
+        }else if (direction == Cell.WEST)
+        {
+             g.fillArc(x0,y0,size,size, 225,270 );
+        }else if (direction == Cell.SOUTH)
+        {
+             g.fillArc(x0,y0,size,size, -45,270 );
+        }
+    }
+    public String toString(){
+        String result = "Pacman: ("+x+", "+y+") facing ";
+        if(direction == Cell.NORTH)
+            result += "N ";
+        if(direction == Cell.SOUTH)
+            result += "S ";
+        if(direction == Cell.EAST)
+            result += "E ";
+        if(direction == Cell.WEST)
+            result += "W ";
+        result += myCell.toString()+ " can ";
+        if (!myCell.canExit(direction))
+            result += "NOT ";
+        result += "exit.";
+        return result;
+    }
+}
 </code>
@@ Line 114: / Line 300: @@
 import javax.swing.*;
 import java.awt.*;
+import java.awt.event.*;
+import javax.swing.Timer;
+public class LevelTester extends JPanel implements KeyListener, ActionListener, MouseListener
-public class LevelTester extends JPanel
 {
     public static int WIDTH=800;
     public static int HEIGHT=600;
     public static final int NORTH=0, SOUTH=1, EAST=2, WEST=3;
+    private PackMan pm;
     private Level lev1;
+    private Timer chewTimer, moveTimer;
+    private String message, message2;
+    private int moveCnt;
     public LevelTester(){
-        lev1 = new Level(3, 7,  100,  50,  50);
+        int size =50;
+        lev1 = new Level(3, 7,  100,  size,  size);
         lev1.noExit(0,1,SOUTH);
         lev1.noExit(0,2,SOUTH);
@@ Line 143: / Line 335: @@
         lev1.noExit(2,3,NORTH);
         lev1.noExit(2,4,NORTH);
+        pm = new PackMan(lev1, 2, 0);
+        chewTimer = new Timer(150, this);
+        moveTimer = new Timer(50,this);
+        chewTimer.start();
+        moveTimer.start();
+        message = "Click a cell to show info";
+        message2 = pm.toString();
+        moveCnt=0;
     }
     public static void main(String[] args) {
         LevelTester app= new LevelTester();
@@ Line 150: / Line 352: @@
         window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         window.getContentPane().add(app);
-// remember to add Key Listeners for the game interface
+        // remember to add Key Listeners for the game interface
+        window.addKeyListener(app);
+        window.getContentPane().addMouseListener(app);
         window.setVisible(true);
     }
     public void paintComponent(Graphics g){
         super.paintComponent(g);
@@ Line 159: / Line 364: @@
         g.fillRect(0, 0, getWidth(),getHeight());
         lev1.draw(g);
+        pm.draw(g);
+        g.setColor(Color.BLACK);
+        g.drawString(message, 50,50);
+        message2 = pm.toString();
+        g.drawString(message2, 50,70);
+        g.drawString("moves: "+moveCnt + " Crumbs: "+ lev1.crumbsLeft(), 50,90);
     }
+    public void actionPerformed(ActionEvent e) {
+        if (e.getSource()==chewTimer){
+            pm.changeMouth();
+        } else if (e.getSource()==moveTimer) {
+            pm.move();
+            moveCnt++;
+        }
+        repaint();
+    }
+    public void keyTyped(KeyEvent e) {}
+    public void keyPressed(KeyEvent e) {}
+    public void keyReleased(KeyEvent e) {
+        int keyCode=e.getKeyCode();
+        if(keyCode == 37){
+            //left
+            pm.setDirection(Cell.WEST);
+        } else if (keyCode ==38){
+            // up
+            pm.setDirection(Cell.NORTH);
+        } else if (keyCode ==39){
+            // right
+            pm.setDirection(Cell.EAST);
+        }else if (keyCode ==40){
+            // down
+            pm.setDirection(Cell.SOUTH);
+        }
+        repaint();
+    }
+    @Override
+	public void mouseClicked(MouseEvent e) {
+	}
+	@Override
+	public void mousePressed(MouseEvent e) {
+	}
+	@Override
+	public void mouseReleased(MouseEvent e) {
+		int x=e.getX();
+		int y=e.getY();
+		message = lev1.getCell(x,y).toString();
+		repaint();
+	}
+	@Override
+	public void mouseEntered(MouseEvent e) {
+	}
+	@Override
+	public void mouseExited(MouseEvent e) {
+	}
 }
 </code>