Applet Orchard

Java Game Development #5 – Sprite Sheets

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In this video we learn how to create sprite sheets into our game and have multiple pictures we can use while efficiently loading them. If you have any questions then be sure to leave a comment or contact me on twitter; realtutsgml. If you learned something then be sure to leave a like, comment, and favorite.

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44 responses to “Java Game Development #5 – Sprite Sheets”

  1. niteskyrider Avatar
    niteskyrider

    on line 14 on the buffered image i keep getting this error come in the console
    how do you fix this?
    com.game.src.main.BufferedImageLoader.loadImage(BufferedImageLoader.java:14)

    Reply
  2. Shikhar Mainalee Avatar
    Shikhar Mainalee

    WHAT? Java is free and Photoshop costs money! Does it look like everybody here has the money like you to afford and keep photoshop?

    NOOOOOOOOOOOOOOOOOO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    You should have use Microsoft Paint or Paint.NET, which are FREE!

    AND IF YOUR DON'T KNOW HOW TO DO GRIDLINES ON THOSE, THEN LOOK IT UP!!!!!!!!!!!!!!!!!!!!!! YOUR THE TEACHER AND WE ARE TRYING TO LEARN WITHOUT HAVING TO PAY!!!!!!!!!!!!!!!!!!!!!

    The previous videos were pretty good, but this one is horrible so you've earned a dislike on this video!

    Reply
  3. Karex_ Avatar
    Karex_

    Can i get that sprite sheet

    Reply
  4. Hannah Mika Avatar
    Hannah Mika

    11:03 he was about to type spriteShit lol

    Reply
  5. Morten Hansen Avatar
    Morten Hansen

    Nothing in photoshop fucking works, and regular png files doesn't fucking work either

    Reply
  6. Lasitha Dananjaya Avatar
    Lasitha Dananjaya

    If you use intelliJ and getting errors check this out. IT WORKS!

    http://stackoverflow.com/questions/854264/how-to-add-directory-to-classpath-in-an-application-run-profile-in-intellij-idea

    Exception in thread "Thread-0" java.lang.IllegalArgumentException: input == null!
    at javax.imageio.ImageIO.read(ImageIO.java:1388)
    at com.game.src.main.BufferedImageLoader.loadImage(BufferedImageLoader.java:14)
    at com.game.src.main.Game.init(Game.java:33)
    at com.game.src.main.Game.run(Game.java:76)
    at java.lang.Thread.run(Thread.java:745)

    Reply
  7. TRESCHK Avatar
    TRESCHK

    How to get this grid or sprite sheet? I don't have Photoshop and i don't get it in Paint.NET
    …

    Reply
  8. Marium Atta Avatar
    Marium Atta

    exception in thread "Thread-2" java.lang.Error: Unresolved compilation problem:
    IOException cannot be resolved to a type

    at com.src.game.main.Game.init(Game.java:32)
    at com.src.game.main.Game.run(Game.java:60)
    at java.lang.Thread.run(Unknown Source)
    Help? 🙂

    @RealTutsGML

    Reply
  9. Voignar Avatar
    Voignar

    Quality tutorials, thanks man! Also I made my own sprite sheet and everyone should do it themselves instead of asking for a download. If you want to make games you should be able to make a sprite sheet on your own guys lmao

    Reply
  10. Oscar Ferm Avatar
    Oscar Ferm

    Anyone using pyxel edit for this? can't get it to work

    Reply
  11. Sadix Huseynov Avatar
    Sadix Huseynov

    I couldn't access that image

    Reply
  12. Benjamin Garcia Avatar
    Benjamin Garcia

    You can also do (col-1)*32. I guess it's all the same though.

    Reply
  13. Gameriffy Avatar
    Gameriffy

    DONT KNOW WHAT TO DO!!!!

    ———————————————

    Exception in thread "Thread-2" java.lang.NullPointerException
    at dev.gamejolt.rs.SpriteSheet.grabImage(SpriteSheet.java:16)
    at dev.gamejolt.rs.Game.init(Game.java:37)
    at dev.gamejolt.rs.Game.run(Game.java:84)
    at java.lang.Thread.run(Unknown Source)

    Reply
  14. Brandon Santangelo Avatar
    Brandon Santangelo

    Well that was embarrassing. I had the same errors as everyone else and it was an easy fix -_- One that did require some changes for netbeans but it's not too hard. Took me like 1.5hrs total to fix it. Give it a day, come back and look at it with fresh eyes.

    Reply
  15. Stickimator Avatar
    Stickimator

    I keep getting these errors at lm.BufferedImageLoader.loadImage(BufferedImageLoader.java:13)
    at lm.Game.init(Game.java:34)
    at lm.Game.run(Game.java:70)
    at java.lang.Thread.run(Unknown Source)
    can someone help pls

    Reply
  16. Wily Professor Avatar
    Wily Professor

    How do i fix this error
    at java.lang.Thread.run(Unknown Source)

    Reply
  17. Travis D Avatar
    Travis D

    Hey Guys the Null error that everyone is getting is due to not making the res folder part of the build path. Depending on the IDE you are using, it will vary how to do it. Google how to add folder to build path and your IDE name. =)

    Reply
  18. LegendOfZeldaOOT Avatar
    LegendOfZeldaOOT

    How do I fix this error? Exception in thread "Thread-2" java.lang.IllegalArgumentException: input == null!

    Reply
  19. Saar Lipshitz Avatar
    Saar Lipshitz

    Could someone link me there sprite sheet? I don't have photoshop and am really bad at drawing.

    Reply
  20. FloraSora Avatar
    FloraSora

    Here you go, guys, use this and that stupid input==null error should be gone. I honestly have no idea how they were able to make it work. I mean, it is 3.5 years old at this point, so yeah. HERE YA GO!
    P.S.: Do not forget to add the folder that contains your sprites to your Source Folder (Right Click your main project in NetBeans IDE 8.0, click Properties, then Add Folder to your "Source Package Folders.")
    //////////////CODE///////////////////
    /////////////"Game" class////////////
    public void init(){
    System.out.println("init()");

    BufferedImageLoader loader = new BufferedImageLoader();

    System.out.println("**************");
    System.out.println("File names:");
    File file = new File(".");
    for(String fileNames : file.list()) System.out.println(fileNames);
    System.out.println("**************");

    System.out.println("Trying to load image…");

    try{
    spriteSheet = loader.loadImage("res/spritesheet.png");
    }catch(IOException e){
    }
    System.out.println("Image loaded!");

    SpriteSheet ss = new SpriteSheet(spriteSheet);
    player = ss.grabImage(1,1,32,32);
    }

    //////////"BufferedImageLoader" class///////////

    import java.awt.image.BufferedImage;
    import java.io.File;
    import java.io.IOException;
    import javax.imageio.ImageIO;

    public class BufferedImageLoader {

    private BufferedImage image;

    public BufferedImage loadImage(String path) throws IOException{
    System.out.println("PATH = " + path);
    File file = new File(path);
    if (file.exists()) { // First, make sure the path exists
    System.out.println("File exists!");
    }
    if (file.isDirectory()) { // This will tell you if it is a directory
    System.out.println("File is a directory!");
    }
    if (file.isFile()) { // Similarly, this will tell you if it's a file
    System.out.println("File has a path!");
    }
    System.out.println("Trying to load image:");
    image = ImageIO.read(new File(path));
    //image = ImageIO.read(getClass().getResource(path));
    System.out.println("Image path found. Returning…");
    return image;
    }

    }

    Reply
  21. FloraSora Avatar
    FloraSora

    Getting the error here that everybody else is getting… I'm at a loss right now. I've tinkered with it for 2 hours so far. Very frustrating, for a problem that seems like it should be miniscule! Granted, I am a newbie programmer, but still. Is there no help out there for us? Google garners mixed results.

    Reply
  22. MataKing 12 Avatar
    MataKing 12

    I have an erore

    Exception in thread "Thread-2" java.lang.IllegalArgumentException: input == null!
    at javax.imageio.ImageIO.read(Unknown Source)
    at com.game.src.main.BufferImageLoader.loadImage(BufferImageLoader.java:17)
    at com.game.src.main.Game.init(Game.java:34)
    at com.game.src.main.Game.run(Game.java:74)
    at java.lang.Thread.run(Unknown Source)

    Reply
  23. Ronan Zaletel Avatar
    Ronan Zaletel

    I get this when I try to use the BuffferedImageLoader , can anyone explain?

    Exception in thread "Thread-2" java.lang.NullPointerException
    at SpaceMain.render(SpaceMain.java:78)
    at SpaceMain.run(SpaceMain.java:53)
    at java.lang.Thread.run(Unknown Source)

    Reply
  24. Sreeram Ravikumar Avatar
    Sreeram Ravikumar

    Exception in thread "Thread-2" java.lang.IllegalArgumentException: input == null!
    at javax.imageio.ImageIO.read(Unknown Source)
    at ShootEmup.BufferedImageLoader.loadImage(BufferedImageLoader.java:13)
    at ShootEmup.Game.init(Game.java:30)
    at ShootEmup.Game.run(Game.java:44)
    at java.lang.Thread.run(Unknown Source)

    Reply
  25. Paulix00 Avatar
    Paulix00

    the grabImage would be better if you received by parameters the img

    Reply
  26. Veritas Dei Avatar
    Veritas Dei

    Is it possible to use png files on desktop instead of using photoshop and spritesheet because I am having a huge problem using those..

    Reply
  27. Nubbitude 'Jack' Avatar
    Nubbitude ‘Jack’

    Damn, spent 15 mins designing my ship!

    Reply
  28. Altamash Khan Avatar
    Altamash Khan

    The tutorials are good, but you are explaining simple things like (try and catch) instead of trying to explain(in a better way) complex stuff like buffered image, rendering, game loop creation..etc… would be great if you could do tutorials on these topics.
    P.S : You don't even reply to the comments and help people. Not hating or anything.

    Reply
  29. MrSem IsAwesome Avatar
    MrSem IsAwesome

    RealtutsGML:
    – Codes in Java
    – Has Visual C++ Express installed on PC.
    -> DAFUQ??

    Reply
  30. Luki Lein Avatar
    Luki Lein

    Nice tutorials! Thanks from Germany 🙂

    Reply
  31. James Meyer Avatar
    James Meyer

    For future viewers:

    You do not need to create a sprite sheet. He's just using one for easy imports and so that he can invoke fewer methods. What's most important is that you use .png images with transparent backgrounds so that you don't wind up with a bunch of squares flying around on your screen.

    Also, when encountering errors like you'll see below, add debug scripts to your program. So in every block you ought to keep a "System.out.prinln()" method that tells the user what functions/methods/parts of the programs are running and in what order. You'll be amazed how easy it is to troubleshoot simple errors if you add a printout to each block.

    Reply
  32. Arjun TS Avatar
    Arjun TS

    i get this error in the console … when i try to show my image at 100,100.

    Exception in thread "Thread-2" java.awt.image.RasterFormatException: (y + height) is outside of Raster
    at sun.awt.image.ByteInterleavedRaster.createWritableChild(ByteInterleavedRaster.java:1248)
    at java.awt.image.BufferedImage.getSubimage(BufferedImage.java:1203)
    at com.game.src.main.SpriteSheet.grabImage(SpriteSheet.java:15)
    at com.game.src.main.Game.init(Game.java:38)
    at com.game.src.main.Game.run(Game.java:64)
    at java.lang.Thread.run(Thread.java:745)

    Reply
  33. Laganstoop Avatar
    Laganstoop

    Any Solutions?

    Exception in thread "Thread-2" java.lang.IllegalArgumentException: input == null!
    at javax.imageio.ImageIO.read(Unknown Source)
    at com.game.src.main.BufferImageLoader.loadImage(BufferImageLoader.java:14)
    at com.game.src.main.Game.init(Game.java:35)
    at com.game.src.main.Game.run(Game.java:73)
    at java.lang.Thread.run(Unknown Source)

    Reply
  34. Manga max Avatar
    Manga max

    My code has never shown a black window. pastebin.com/BXE1M4fk

    Reply
  35. Manga max Avatar
    Manga max

    How can I get the grid at 1:37 and make the brush snap to the grid? I am using Photoshop 2015 in Adobe Creative Cloud.

    Reply
  36. Aiden J Avatar
    Aiden J

    Exception in thread "Thread-0" java.lang.IllegalArgumentException: input == null!
    at javax.imageio.ImageIO.read(ImageIO.java:1388)
    at com.game.src.main.BufferedImageLoader.loadImage(BufferedImageLoader.java:14)
    at com.game.src.main.Game.init(Game.java:33)
    at com.game.src.main.Game.run(Game.java:76)
    at java.lang.Thread.run(Thread.java:745)

    Reply
  37. Aiden J Avatar
    Aiden J

    I DON'T KNOW HOW HE CAN MAKE THAT GRID AT 1:37!!!! PLEASE HELP ME OUT….. I'm using photoshop 2015 trial version

    Reply
  38. ben davey Avatar
    ben davey

    cant find where to save the image to and it is really annoying it wont show up in my computer

    Reply
  39. Darragh Walsh Avatar
    Darragh Walsh

    Best java series ever

    Reply
  40. Darragh Walsh Avatar
    Darragh Walsh

    thx

    Reply
  41. Alex Sere Avatar
    Alex Sere

    some thing is happening to me, the black background does not appear

    Reply
  42. Lt Lobster Avatar
    Lt Lobster

    Where can I get the source code?

    Reply
  43. Nick Nicholas Avatar
    Nick Nicholas

    Exception in thread "Thread-2" java.lang.NullPointerException
    at SpriteSheet.grabImage(SpriteSheet.java:14)
    at Game.init(Game.java:42)
    at Game.run(Game.java:72)
    at java.lang.Thread.run(Unknown Source)

    Reply
  44. Anthony Awuzie Avatar
    Anthony Awuzie

    i don't have photoshop and but i just downloaded paint.NET and i cant do that draw the space ship with it pls help

    Reply

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