Question

JavaFX program - Add a second level to the game.

//Main game object/class
package main;

import java.util.ArrayList;
import javafx.animation.AnimationTimer;
import javafx.beans.binding.Bindings;
import javafx.beans.property.SimpleIntegerProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.control.Label;
import javafx.scene.image.ImageView;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class Game extends Pane implements Runnable {
  
   // instance variables

   private ArrayList<MOB> mobs;
   private ArrayList<Rectangle> hitBoxes;
   private ArrayList<Treasure> treasure;
   private Player player;
   private final ImageView background = new ImageView();
   private Level level;
   private SimpleIntegerProperty score;
   private int enemyCount;
   private int chestCount;
   private HBox GUIView;

/**
   * Constructor
   */
   public Game(Stage stage) {
   // create the score counter
this.score = new SimpleIntegerProperty(0);
// create our mobs arraylist
       this.mobs = new ArrayList<>();
// create the arraylist for MOB & wall hitboxes
       this.hitBoxes = new ArrayList<>();
       // create an arraylist for our treasure objects
this.treasure = new ArrayList<>();
       this.enemyCount = 0;
this.loadLevel(1); // load the first level of our game.
this.initGUI(); // load/initialize the GUI
// run our main loop once the stage is shown
stage.setOnShown(e -> this.run());
   }
  

   /**
   * Loads the default/background images for our lvlMap
   * @param in   the integer value for the lvlMap image to load
   * all images are 'lvlMap' + in
   */
   private void loadLevel(int in) {
hitBoxes.clear(); // clear the list of hitboxes
mobs.clear();   // remove any existing old mobs
       switch (in) {
           case 1:
               this.level = new Level1();
           break;
           case 2:
               this.level = new Level2();   // placeholder for second level
break;
       }
       background.setImage(level.getImage());   // get the background image
       hitBoxes.addAll(level.getWalls());   // get all the wall hitboxes
       enemyCount = level.getEnemyCount();       // get the enemy count from the level
chestCount = level.treasureCount(); // get the treasure count from the level
       this.getChildren().add(background);       // add the lvlMap imageview to scene
this.getChildren().addAll(hitBoxes); // add all the hitboxes for the walls to the scene
// this.getChildren().addAll(stopWatchGUI.getStopWatch()));
this.initTreasure(chestCount); // add the treasure chests for the level
this.initMobs(enemyCount); // initialize our mobs
}

/**
   * Initializes the default mobs for a given level
   */
   private void initMobs(int count) {
player = (player == null ? new Player(this.level) : player); // load the player
player.setStartPoint(level.playerStart()[0], level.playerStart()[1]);
       mobs.add(player); // add the player to the mob array first, so always index 0
       // add our enemies to the arraylist after the player
   for (int i = 0; i < count; i++) {
   mobs.add(new Enemy(this.level, i));
}
   // set the starting coordinates for each enemy, skip the player/index 0
for (int i = 1; i < mobs.size(); i++) {
/* the enemy coordinates are stored in a 2-element array
with index 0 = x-coord, and index 1 = y-coord */
Double[] coords = level.getEnemyCoords().get(i-1);
mobs.get(i).setStartPoint(coords[0], coords[1]);
}
   // iterate over the list of mobs and...
       for (int i = 0; i < mobs.size(); i++) {
       MOB m = mobs.get(i);
           hitBoxes.add(m.getHitbox());   // add it's hitbox to our hitbox list
this.getChildren().add(m.getHitbox()); // add the hitbox to the scene
           this.getChildren().add(m.getView());   // add it's view to our scene
       }
}

private void initTreasure(int count) {
for (int i = 0; i < count; i++) {
Double[] coords = level.treasureCoords().get(i);
Treasure t = new Treasure(i, coords[0], coords[1]);
treasure.add(t);
hitBoxes.add(t.getHitbox());
this.getChildren().addAll(t.getHitbox(), t.getView());
}
}

private Treasure getTreasure(Rectangle r) {
for (int i = 0; i < treasure.size(); i++){
if (treasure.get(i).getHitbox().equals(r)) {
return treasure.get(i);
}
}
return null;
}

/**
* Collision check method to determine if the player
* has hit enemies, or treasure/chests
*/
private void collisionCheck() {
for (int i = 1; i < hitBoxes.size(); i++) {
Rectangle r = hitBoxes.get(i); // get the hitbox to check
boolean bool = player.getHitbox().intersects(r.getBoundsInParent()); // see if the boxes intersect
if (bool) {
if (r.getFill().equals(Color.RED)) { // RED = enemy collision
player.takeDamage(1); // if we're the player, take damage
} else if (r.getFill().equals(Color.BLACK)) { // BLACK = fake wall
// TODO fakeWallCollision();
// play a secret sound, ala zelda.
} else if (r.getFill().equals(Color.GREEN)) { // GREEN = treasure/chest
Treasure t = getTreasure(r);
if (!t.isOpen()) {
score.set(score.get() + 10); // increase the score
chestCount--; // decrease our global chest count to track end of level
t.openNow(); // open the chest so it can't be opened twice
}
}
}
}
}

   /**
   * Main game loop method.
   */
   private void play() {
       // Creates gameLoop, where most operations will be handled
       gameLoop = new AnimationTimer() {
               // check if we're ready to move the enemies
for (int i = 0; i < mobs.size(); i++) {
MOB m = mobs.get(i);
if (m instanceof Enemy) {
((Enemy) m).moveCheck(arg0);
}
}
// check for collisions with the player and other objects
collisionCheck();
// check if our player isDead/we need to respawn
if (player.isDead()) {
}
if (player.livesProperty().get() > 0 && player.isDead()) {
player.reSpawn();
}
               // check if the level is over
if (chestCount == 0) {
// DO Something for level over!    
}
           }
   };
       // start the loop now
       gameLoop.start();
   }

   /**
   * Main runnable:
* 1) register our key handler
   * 2) register our game over listener
* 3) starts playing the game
   */
   @Override
   public void run() {
   // Uncomment to see the actual stage layout coordinates for the scene
// this is useful to determine the width and height of the window frame
   // System.out.println("layoutX: " + this.getScene().getX()); = 0
// System.out.println("layoutY: " + this.getScene().getY()); = 22
this.getScene().setOnKeyPressed(e -> player.moveHandler(e));
   // this.getScene().setOnKeyPressed(player::moveHandler);// java8+ method reference style
       // start the game loop now
       this.play();
   }
}

Answer 1

Program import javafx.application.Application; imoort javafx.geometry.Insets; import javafx. scene. Group import javafx. scene. Scene; import javafx. scene. layout. GridPane; import javafx. scene.paint.Color; import javafx. scene.image.Image; import javafx. scene. image. ImageView; import javafx. scene layout. HBox; import javafx. stage. Stage import java.util public class ThreeCard extends Application { public static void main (String [ ] args) Application launch (args) 1 @override public void start(Stage ThreeCardprimarystage) new ArrayList<>( ArrayListInteger> Threecard forint i=1;i< 55;i++) Threecardadd (i); cardshuffle (Three card) ThreeCardprimarystage.setTitle ("Three Cards"). Group new Scene (ct, 250, 130, Color.GREEN); Group ct = new Scene S cene wwww lyyhyhyy wwwww. new GridPane GridPane gridpane gridpane set Padding (new Insets (5)) gridpane setHgap (10) gridpane. set Vaap (10); wwww.w new ImageView (); Image (ThreeCard.class final ImageView imgvw2 final Image img2 getResourceAsStream (Threecard.get (0) ".png ")); imgvw2 setImage (img2); final Imageview imgvw3 final Image img3 getResourceAsStream (Threecard.get (1) + ".png")); imgvw3 setImage (img3); new wwww wwww new ImageView (); Image (ThreeCard. class new

ImageView Image (ThreeCard. class final Imageview imgvw4 final Image img4 getResourceAsStream (Threecard.get (2) + ".pnq")); imavw4setImage (img 4) new new final HBox imageRgn = new HBOX (); wwwwww.e imageRanget Children ()addAll (imgvw2, imgvw3,imgvw4) gridpane add (imageRan, 1, 1) wwwwwwwwww ctget Children ().add (gridpane) ThreeCardprimarystage. set Scene (s cene) ThreeCardprimarystage show ( public static void cards huffle ArrayList<Integer> list) Collections. cards huffle (list); } }

2. import javafx.application.Application import javafx. stage. Stage; import javafx.scene.. import javafx. event.*; public class Playsound extends Application ww Button btn; Media Player mediaPlayer; wwwww / Main code part is added in thee existing code public static void main ( String [] args) { Application.launch (args); @override public void start (Stage primarystage) Media hit new Media ("http://ak.channe19.msdn.com/ch9/56ef/e 9aef824- wwwwwwvwwwy 77b5-45c5-b4 8e- a005017456ef/Windows BlogWin8 CPS zzle_ch9.mp3") new Media (new // Media hit File ("audio/name.mp3 ").toURI ().toString ()); mediaPlayer mediaPlayer. play () = new MediaPlayer (hit) ww wwwwwwwww Button ("Pause"); btn btn.setOnAction (new EventHandler<ActionEvent> ( = new { Coverride public void handle (ActionEvent event) wwwww. if (btn.getText ).equals ("Pause")) { mediaPlayer.pause ); btn.set Text (" Play"); www }else mediaPlayer..play () btn.set Text ("Pause") www w }

Code:

import javafx.application.Application;

import javafx.geometry.Insets;

import javafx.scene.Group;

import javafx.scene.Scene;

import javafx.scene.layout.GridPane;

import javafx.scene.paint.Color;

import javafx.scene.image.Image;

import javafx.scene.image.ImageView;

import javafx.scene.layout.HBox;

import javafx.stage.Stage;

import java.util.*;

public class ThreeCard extends Application

{

    public static void main(String[] args)

     {

        Application.launch(args);

    }

   

    @Override

    public void start(Stage ThreeCardprimaryStage)

     {

        ArrayList<Integer> Threecard = new ArrayList<>();

        for(int i = 1;i < 55;i++)

            Threecard.add(i);

        cardshuffle(Threecard);

       

        ThreeCardprimaryStage.setTitle("Three Cards");

        Group ct = new Group();

        Scene scene = new Scene(ct, 250, 130, Color.GREEN);

       

        GridPane gridpane = new GridPane();

        gridpane.setPadding(new Insets(5));

        gridpane.setHgap(10);

        gridpane.setVgap(10);

       

        final ImageView imgvw2 = new ImageView();

final Image img2 = new Image(ThreeCard.class. getResourceAsStream(Threecard.get(0) +".png"));

        imgvw2.setImage(img2);       

        final ImageView imgvw3 = new ImageView();

final Image img3 = new Image(ThreeCard.class. getResourceAsStream (Threecard.get(1)+ ".png"));

        imgvw3.setImage(img3);

       

        final ImageView imgvw4 = new ImageView();

final Image img4 = new Image(ThreeCard.class. getResourceAsStream (Threecard.get(2)+ ".png"));

        imgvw4.setImage(img4);

        final HBox imageRgn = new HBox();

       

        imageRgn.getChildren().addAll(imgvw2,imgvw3,imgvw4);

        gridpane.add(imageRgn, 1, 1);

       

        ct.getChildren().add(gridpane);       

        ThreeCardprimaryStage.setScene(scene);

        ThreeCardprimaryStage.show();

    }

   

    public static void cardshuffle( ArrayList<Integer> list )

    {

        Collections.cardshuffle(list);

    }

}

2. To play audion

import javafx.application.Application;

import javafx.stage.Stage;

import javafx.scene.*;

import javafx.event.*;

public class PlaySound extends Application

{

    Button btn;

    MediaPlayer mediaPlayer;

    // Main code part is added in the existing code

     public static void main(String[] args)

     {

        Application.launch(args);

   }

   

@Override

    public void start(Stage primaryStage)

     {

Media hit = new Media("http://ak.channel9.msdn.com/ch9/56ef/e9aef824-77b5-45c5-b48e-a005017456ef/WindowsBlogWin8CPSizzle_ch9.mp3");

// Media hit = new Media(new File("audio/name.mp3").toURI().toString());

        mediaPlayer = new MediaPlayer(hit);

        mediaPlayer.play();

        btn = new Button("Pause");

        btn.setOnAction(new EventHandler<ActionEvent>()

          {

            @Override

            public void handle(ActionEvent event)

{

                if (btn.getText().equals("Pause"))

              {

                    mediaPlayer.pause();

                    btn.setText("Play");

                } else

              {

                    mediaPlayer.play();

                    btn.setText("Pause");

                }

            }

        });

}

}