delvh/snake
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Code Issues Pull Requests Releases 3 Activity

Collision checking for outer bounds works apparentlly solely on Windows, commented out for now (#1)

Browse Source 
* Cleaned up project

* Commented display of result-image out

* added TODO in outer-bounds checking in Snake
This commit is contained in:
delvh
2020-04-03 10:43:24 +02:00
committed by GitHub
parent 46223d60ca
commit 8ff179a27d
36 changed files with 72 additions and 648 deletions
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45
src/main/dev/lh/Food.java
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@ -1,45 +0,0 @@
package dev.lh;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Point;
/**
* Project: <strong>Snake</strong><br>
* File: <strong>Food.java</strong><br>
* Created: <strong>11 Mar 2020</strong><br>
*
* @author Leon Hofmeister
* @since Snake 1.0
*/
public class Food {
private Point position;
/**
* Constructs a new food object.
*
* @param x the x coordinate of the new food
* @param y the y coordinate of the new food
* @since Snake 1.0
*/
public Food(int x, int y) { position = new Point(x, y); }
/**
* Constructs a new food object.
*
* @param position the position of the food
* @since Snake 1.1
*/
public Food(Point position) { this.position = position; }
/**
* @param g the {@link Graphics} object used to draw the food
* @since Snake 1.0
*/
public void render(Graphics g) {
g.setColor(Color.yellow);
g.fillRect(position.x, position.y, 16, 16);
}
}

9
src/main/dev/lh/FoodFactory.java Normal file → Executable file
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@ -1,10 +1,6 @@
package dev.lh;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.*;
import dev.lh.ui.GameWindow;
@ -227,8 +223,7 @@ public class FoodFactory {
case blue:
snakeAdditionalLength = 1;
break;
}// switch
}
return snakeAdditionalLength;
}
}

30
src/main/dev/lh/Handler.java
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@ -1,30 +0,0 @@
package dev.lh;
import java.util.ArrayList;
import java.util.List;
/**
* The handler handles incoming events in Snake.<br>
* <br>
* Project: <strong>Snake</strong><br>
* File: <strong>Handler.java</strong><br>
* Created: <strong>11 Mar 2020</strong><br>
*
* @author Leon Hofmeister
* @since Snake 1.0
*/
public class Handler {
List<Updateable> targets;
/**
* Constructs a new {@link Handler}.
*
* @since Snake 1.0
*/
public Handler() {
targets = new ArrayList<>();
targets.add(new Snake(3));
}
}

1
src/main/dev/lh/Main.java Normal file → Executable file
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@ -38,5 +38,4 @@ public class Main {
* @since Snake 1.0
*/
public static GameWindow getGame() { return game; }
}

55
src/main/dev/lh/Snake.java Normal file → Executable file
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@ -7,6 +7,7 @@ import java.awt.Rectangle;
import java.util.ArrayList;
import java.util.List;
import dev.lh.ui.Endscreen;
import dev.lh.ui.GameWindow;
/**
@ -51,10 +52,11 @@ public class Snake implements Updateable {
Down;
}
private static FoodFactory foodFactory = FoodFactory.getInstance();
private static Endscreen endscreen;
private Direction Richtung;
private int length;
private List<Point> tiles = new ArrayList<>();
private static FoodFactory foodFactory = FoodFactory.getInstance();
private final int snakeSize = 10;
/**
@ -65,18 +67,16 @@ public class Snake implements Updateable {
*/
public Snake(int length) {
this.length = length;
Richtung = Direction.Left;
Richtung = Direction.Right;
// adding the initial tiles of the snake
for (int i = 0; i < length; i++)
tiles.add(new Point(320 - 50 * i, 240));
}// End Constructor
tiles.add(new Point(320 - snakeSize * i, 240));
}
@Override
public void nextFrame() {
int velX = 0, velY = 0;
switch (Richtung) {
case Up:
velY = -snakeSize;
break;
@ -89,7 +89,7 @@ public class Snake implements Updateable {
case Right:
velX = snakeSize;
break;
}// switch
}
Point next = (Point) tiles.get(0).clone(), cur;
tiles.get(0).x += velX;
tiles.get(0).y += velY;
@ -98,24 +98,51 @@ public class Snake implements Updateable {
cur = tiles.get(i);
tiles.set(i, (Point) next.clone());
next = cur;
} // for
// if(tiles.get(0).x<=0||tiles.get(0).x>=)
}
// case if snake is outside of the screen or touches itself
if (checkSelfCollision()) gameOver();
// TODO: the game bounds checking below appears to work on Windows, however throws a NullPointerException on Linux/UNIX systems
// if (!Main.getGame().getBounds().contains(tiles.get(0))) gameOver();
// case if snake eats food
if (foodFactory.checkCollision(new Rectangle(tiles.get(0).x, tiles.get(0).y, snakeSize, snakeSize))) {
addLength(foodFactory.getAdditionalLength());
GameWindow game = Main.getGame();
game.newFood();
}
}
}// End tick
/**
*
* @since Snake 1.1
*/
private void gameOver() {
endscreen = new Endscreen(length);
endscreen.setVisible(true);
Main.getGame().close();
}
/**
* @return whether the snake collides with itself
* @since Snake 1.1
*/
private boolean checkSelfCollision() {
Point headIndex = tiles.get(0);
Rectangle head = new Rectangle(headIndex.x, headIndex.y, snakeSize, snakeSize);
for (int index = 1; index < tiles.size(); index++) {
Point bodyIndex = tiles.get(index);
if (head.contains(new Rectangle(bodyIndex.x, bodyIndex.y, snakeSize, snakeSize))) return true;
}
return false;
}
@Override
public void render(Graphics g) {
g.setColor(Color.green);
for (int i = 0; i < length; i++)
g.fillRect(tiles.get(i).x, tiles.get(i).y, snakeSize, snakeSize);
}// End render
}
/**
* @return the current {@link Direction} of the snake

25
src/main/dev/lh/Spawner.java
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@ -1,25 +0,0 @@
package dev.lh;
import java.awt.Graphics;
/**
* Project: <strong>Snake</strong><br>
* File: <strong>Spawner.java</strong><br>
* Created: <strong>11 Mar 2020</strong><br>
*
* @author Leon Hofmeister
* @since Snake 1.0
*/
public class Spawner implements Updateable {
@Override
public void nextFrame() {
}
@Override
public void render(Graphics g) {
}
}

1
src/main/dev/lh/Updateable.java Normal file → Executable file
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@ -29,5 +29,4 @@ public interface Updateable {
* @since Snake 1.0
*/
void render(Graphics g);
}

213
src/main/dev/lh/ui/Endscreen.java Normal file → Executable file
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@ -1,15 +1,9 @@
package dev.lh.ui;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.*;
import java.awt.event.KeyEvent;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import dev.lh.Main;
@ -26,17 +20,17 @@ public class Endscreen extends JDialog {
private static final long serialVersionUID = -4457484397259161063L;
private final JPanel contentPanel = new JPanel();
private static int score = 0;
private final int goodOrBadResult = 250;
private final JPanel contentPanel = new JPanel();
private int score = 0;
private static final int goodOrBadResult = 200;
/**
* Create the dialog.
*
* @param score1 the highscore to set
* @param score the highscore to set
*/
public Endscreen(int score1) {
setScore(score1);
public Endscreen(int score) {
this.score = score;
try {
// readInHighscoresPoints();
// readInHighscoresPlayers();
@ -58,113 +52,27 @@ public class Endscreen extends JDialog {
} catch (Exception e) {
e.printStackTrace();
}
contentPanel.setLayout(null);
// JScrollPane scrollPane = new JScrollPane();
// scrollPane.setBounds(10, 412, 349, 238);
// contentPanel.add(scrollPane);
// String[][] combis = new String[highscorePoints.length][2];
// for (int i = 0; i < highscorePoints.length; i++) {
// combis[i][0] = highscorePlayers[i];
// combis[i][1] = String.valueOf(highscorePoints[i]);
// }
// table = new JTable(combis, tableTitle);
// table.setRowSelectionAllowed(false);
// table.setFillsViewportHeight(true);
// table.setFont(new Font("Times New Roman", Font.PLAIN, 15));
// scrollPane.setViewportView(table);
// JLabel lblNewLabel = new JLabel("Highscores");
// lblNewLabel.setFont(new Font("Times New Roman", Font.BOLD | Font.ITALIC,
// 18));
// lblNewLabel.setBounds(65, 292, 98, 41);
// contentPanel.add(lblNewLabel);
JButton btnNewButton = new JButton("Play again");
btnNewButton.setMnemonic(KeyEvent.VK_ENTER);
btnNewButton.addActionListener(e -> { Main.startGame(); setVisible(false); dispose(); });
// BLOß NICHT RAUSWERFEN
btnNewButton.addActionListener(e -> { Main.startGame(); dispose(); });
contentPanel.setLayout(new BorderLayout(0, 0));
// btnNewButton.setIcon(new
// ImageIcon(ClassLoader.getSystemResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
btnNewButton.setIconTextGap(5);
btnNewButton.setIcon(new ImageIcon(ClassLoader.getSystemResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
// Endscreen.class.getResource("/com/sun/javafx/webkit/prism/resources/mediaPlayDisabled.png")));
btnNewButton.setFont(new Font("Times New Roman", Font.PLAIN, 15));
btnNewButton.setBounds(85, 512, 243, 100);
contentPanel.add(btnNewButton);
// JButton btnClose = new JButton("Close game");
//
// btnClose.addActionListener(new ActionListener() {// Beginn Listener new game
// public void actionPerformed(ActionEvent e) {
// System.exit(0);
// }
// });
//
// btnClose.setFont(new Font("Times New Roman", Font.PLAIN, 15));
// btnClose.setBounds(400, 500, 200, 100);
// contentPanel.add(btnClose);
//
// tfName = new JTextField();
// tfName.setFont(new Font("Times New Roman", Font.PLAIN, 15));
// tfName.setBounds(102, 344, 257, 40);
// contentPanel.add(tfName);
// tfName.setColumns(10);
//
// JTextArea txtrBitteErstNamen = new JTextArea();
// txtrBitteErstNamen.setVisible(false);
// txtrBitteErstNamen.setBackground(UIManager.getColor("ScrollBar.foreground"));
// txtrBitteErstNamen.setText("Bitte erst Namen \r\neingeben und\r\ndann
// Speichern!!!!");
// txtrBitteErstNamen.setBounds(468, 412, 155, 92);
// contentPanel.add(txtrBitteErstNamen);
// txtrBitteErstNamen.setVisible(false);
//
// JButton btnSaveHighscore = new JButton("Save Highscore");
// btnSaveHighscore.setMnemonic(KeyEvent.VK_ENTER);
// btnSaveHighscore.setIconTextGap(5);
// btnSaveHighscore.setIcon(
// new
// ImageIcon(Endscreen.class.getResource("/javax/swing/plaf/metal/icons/ocean/floppy.gif")));
// btnSaveHighscore.setFont(new Font("Times New Roman", Font.PLAIN, 15));
//
// btnSaveHighscore.addActionListener(new ActionListener() {// Beginn Listener
// Save Highscore
// public void actionPerformed(ActionEvent e) {
// relocate(score1);
// writeFiles();
// table.updateUI();
// }
//
// });
//
// btnSaveHighscore.setBounds(468, 344, 155, 50);
// contentPanel.add(btnSaveHighscore);
contentPanel.add(btnNewButton, BorderLayout.SOUTH);
JLabel lblDeinPunktestand = new JLabel("Dein Punktestand: " + String.valueOf(score));
lblDeinPunktestand.setFont(new Font("Times New Roman", Font.PLAIN, 25));
lblDeinPunktestand.setBounds(10, 45, 291, 50);
contentPanel.add(lblDeinPunktestand);
contentPanel.add(lblDeinPunktestand, BorderLayout.NORTH);
// JLabel lblYourName = new JLabel("Your Name:");
// lblYourName.setFont(new Font("Times New Roman", Font.PLAIN, 15));
// lblYourName.setBounds(10, 355, 82, 29);
// contentPanel.add(lblYourName);
//TODO: the display ofthe result image could work, but not guaranteed
// Image resultImage = Toolkit.getDefaultToolkit()
// .getImage(this.getClass()
// .getResource((score < goodOrBadResult) ? "/Snake/src/main/resources/Try_Again.jpg" : "/Snake/src/main/resources/1211548-200.png"));
// resultImage.flush();
JCheckBox chckbxNewCheckBox = new JCheckBox("");
JLabel lblDasIstEin = new JLabel("Das ist ein hervorragender Wert!");
lblDasIstEin.setFont(new Font("Times New Roman", Font.PLAIN, 15));
if (score1 >= goodOrBadResult) {
chckbxNewCheckBox.setIcon(new ImageIcon(ClassLoader.getSystemResource("/dev/lh/snake/1211548-200.png")));
chckbxNewCheckBox.setBounds(300, 200, 200, 200);
lblDasIstEin.setBounds(10, 100, 212, 50);
} else {
chckbxNewCheckBox.setIcon(new ImageIcon(ClassLoader.getSystemResource("/dev/lh/snake/Try_Again.jpg")));
chckbxNewCheckBox.setBounds(300, 200, 250, 210);
lblDasIstEin.setText("Das kannst du aber noch verbessern!");
lblDasIstEin.setBounds(10, 100, 240, 50);
contentPanel.add(lblDasIstEin);
}
contentPanel.add(chckbxNewCheckBox);
contentPanel.add(lblDasIstEin);
setVisible(true);
}
@ -172,88 +80,11 @@ public class Endscreen extends JDialog {
* @return the highscore of the current game
* @since Snake 1.0
*/
public static int getScore() { return score; }
public int getScore() { return score; }
/**
* @param score the new highscore
* @since Snake 1.0
*/
public static void setScore(int score) { Endscreen.score = score; }
/*
* public static void readInHighscoresPoints() { try { // FileReader reads text
* files in the default encoding. FileReader fileReader = new
* FileReader(fileNamePoints);
* // Always wrap FileReader in BufferedReader. BufferedReader bufferedReader =
* new BufferedReader(fileReader);
* currentIndex = Integer.parseInt(bufferedReader.readLine()); for (int i = 0; i
* < currentIndex; i++) { highscorePoints[i]=
* Integer.parseInt(bufferedReader.readLine()); } // Always close files.
* bufferedReader.close(); fileReader.close(); } catch (FileNotFoundException
* ex) { System.out.println("Error 404:File '" + fileNamePoints +
* "' not found");
* } catch (IOException ex) { System.out.println("Error reading file '" +
* fileNamePoints + "'"); ex.printStackTrace(); } } private void
* readInHighscoresPlayers(){ try { // FileReader reads text files in the
* default encoding. FileReader fileReader = new FileReader(fileNamePlayers);
* // Always wrap FileReader in BufferedReader. BufferedReader bufferedReader =
* new BufferedReader(fileReader);
* for (int i = 0; i < currentIndex; i++) { highscorePlayers[i]=
* bufferedReader.readLine(); } // Always close files. bufferedReader.close();
* fileReader.close(); } catch (FileNotFoundException ex) {
* System.out.println("Error 404:File '" + fileNamePlayers + "' not found");
* } catch (IOException ex) { System.out.println("Error reading file '" +
* fileNamePlayers + "'"); ex.printStackTrace(); } } /* private void
* writeFiles() { File dateiPoints = new File("." + File.separator +
* fileNamePoints); FileWriter fwpoints = null; BufferedWriter bwpoints = null;
* try { fwpoints = new FileWriter(dateiPoints); bwpoints = new
* BufferedWriter(fwpoints); bwpoints.write(highscorePoints.length); for (int
* i=0;i<highscorePoints.length;i++) { bwpoints.write(highscorePoints[i]); } }
* catch (Exception e1) { e1.printStackTrace(); } finally { try {
* bwpoints.close(); fwpoints.close(); alreadySaved = true; } catch (IOException
* e2) { e2.printStackTrace(); } }
* File dateiPlayers = new File("." + File.separator + fileNamePlayers);
* FileWriter fwplayers = null; BufferedWriter bwplayers = null; try { fwplayers
* = new FileWriter(dateiPlayers); bwplayers = new BufferedWriter(fwplayers);
* for (int i=0;i<highscorePlayers.length;i++) {
* bwplayers.write(highscorePlayers[i]); } } catch (Exception e1) {
* e1.printStackTrace(); } finally { try { bwplayers.close(); fwplayers.close();
* alreadySaved = true; } catch (IOException e2) { e2.printStackTrace(); } }
* }
* /** Launch the application.
*/
/*
* public void relocate(int newScore) {
* String newPlayer = new String(tfName.getText()); if (newPlayer.equals("")) {
* txtrBitteErstNamen.setVisible(true); return; } else { sortFiles(newScore,
* newPlayer); } }
* private void sortFiles(int newScore, String newPlayer) { if
* (highscorePoints.length==highscorePlayers.length&&
* highscorePoints.length<=30) { for(int i=0;i<highscorePoints.length;i++) {
* if(highscorePoints[i]<newScore) { int tmp=highscorePoints[i];
* highscorePoints[i]=newScore; for(int k=i+1;k<highscorePoints.length;k++) {
* int tmp2=highscorePoints[k]; highscorePoints[k]=tmp; tmp=tmp2; } String
* temp=highscorePlayers[i]; highscorePlayers[i]=newPlayer; for(int
* k=i+1;k<highscorePlayers.length;k++) { String temp2=highscorePlayers[k];
* highscorePlayers[k]=temp; temp=temp2; } return; } } } else
* if(highscorePoints.length==highscorePlayers.length&&highscorePoints.length>=
* 30){ for (int i=30;i<highscorePoints.length;i++) { highscorePoints[i]=null;
* highscorePlayers[i]=null; } for(int i=0;i<highscorePoints.length;i++) {
* if(highscorePoints[i]<newScore) { int tmp=highscorePoints[i];
* highscorePoints[i]=newScore; for(int k=i+1;k<highscorePoints.length;k++) {
* int tmp2=highscorePoints[k]; highscorePoints[k]=tmp; tmp=tmp2; } String
* temp=highscorePlayers[i]; highscorePlayers[i]=newPlayer; for(int
* k=i+1;k<highscorePlayers.length;k++) { String temp2=highscorePlayers[k];
* highscorePlayers[k]=temp; temp=temp2; } return; } } } }
*/
/*
* private void relocate(int toCompare, boolean is30) { if(is30) { for(int i=0;
* i<30;i++) { if(temp[i]<toCompare) { int tmp=temp[i]; temp[i]=toCompare;
* for(int k=i+1;k<temp.length;k++) { int tmp2=temp[k]; temp[k]=tmp; tmp=tmp2; }
* arrange(temp); return; } else { temp[30]=toCompare; arrange(temp); } } } else
* { for(int i=0; i<temp.length;i++) { if(temp[i]<toCompare) { int tmp=temp[i];
* temp[i]=toCompare; for(int k=i+1;k<temp.length;k++) { int tmp2=temp[k];
* temp[k]=tmp; tmp=tmp2; } arrange(temp); return; } else { temp[30]=toCompare;
* arrange(temp); }
* } } }
*/
}
public void setScore(int score) { this.score = score; }
}

14
src/main/dev/lh/ui/GameWindow.java Normal file → Executable file
View File

@ -1,10 +1,6 @@
package dev.lh.ui;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
@ -44,7 +40,7 @@ public class GameWindow extends JFrame {
setMinimumSize(size);
setPreferredSize(size);
setMaximumSize(size);
setExtendedState(JFrame.MAXIMIZED_BOTH);
setExtendedState(getExtendedState() | JFrame.MAXIMIZED_BOTH);
setResizable(false);
setDefaultCloseOperation(EXIT_ON_CLOSE);
@ -89,7 +85,7 @@ public class GameWindow extends JFrame {
});
Timer timer = new Timer(50,
(evt) -> { s.nextFrame(); if (System.currentTimeMillis() >= foodFactory.getTimeOfNextFood()) newFood(); repaint(); });
evt -> { s.nextFrame(); if (System.currentTimeMillis() >= foodFactory.getTimeOfNextFood()) newFood(); repaint(); });
timer.start();
setVisible(true);
@ -102,7 +98,7 @@ public class GameWindow extends JFrame {
*/
public void newFood() {
foodFactory.generateFood();
foodFactory.generateFoodLocation(super.getWidth(), super.getHeight());
foodFactory.generateFoodLocation(getWidth(), getHeight());
repaint();
}
@ -112,4 +108,4 @@ public class GameWindow extends JFrame {
* @since Snake 1.1
*/
public void close() { dispose(); }
}
}

34
src/main/dev/lh/ui/StartScreen.java Normal file → Executable file
View File

@ -4,10 +4,7 @@ import java.awt.EventQueue;
import java.awt.Font;
import java.awt.event.KeyEvent;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import dev.lh.Main;
@ -47,35 +44,6 @@ public class StartScreen extends JFrame {
});
}
// public static void readInHighscores() {
// try {
// combination.clear();
// // FileReader reads text files in the default encoding.
// FileReader fileReader = new FileReader(fileName);
//
// // Always wrap FileReader in BufferedReader.
// BufferedReader bufferedReader = new BufferedReader(fileReader);
//
// currentIndex = Integer.parseInt(bufferedReader.readLine());
// for (int i = 0; i < currentIndex; i++) {
// String[] spielerScore = new String[2];
// spielerScore[0] = bufferedReader.readLine();
// spielerScore[1] = bufferedReader.readLine();
// combination.add(spielerScore);
// }
// // Always close files.
// bufferedReader.close();
// fileReader.close();
// } catch (FileNotFoundException ex) {
// System.out.println("Error 404:File '" + fileName + "' not found");
//
// } catch (IOException ex) {
// System.out.println("Error reading file '" + fileName + "'");
// ex.printStackTrace();
//
// }
// }
/**
* Create the frame.
*/