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Java is both a popular object-oriented programming language and runtime environment which allows Java programs to run unchanged on most hardware and software platforms.

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I was making a 2d top-down game, but when I tested it on two devices (Samsung M31 and Samsung S25) there was a problem with player speed - it was faster on S25 and slower on M31. I tried using some ...
andrew's user avatar
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I am trying to have modded items in the chests of lost cites mod, and there is this problem I am facing, in which a mod called Apocalypse Now automatically injects its mod items into the chests ...
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I'm starting to create a roguelike, and stumbled upon SquidSquad, which has an amazing collection of algorithms and other stuff related to roguelikes. However, for some parts, documentation is really ...
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I'm working on a mod for 1.7.10 Forge that needs a complex config for the user to set up, but only the "general" category shows up (from ...
Lum1te's user avatar
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I want to make a gradle multi-project to port a server mod I made for Forge to Paper. The problem I'm facing is that the common project doesn't recognise any ...
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I'm currently developing third-party app to existing rpg game which serves useful information about the game. I don't have much experience of game-related development. The game provides api for ...
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I was trying to make a 3d renderer in Java and was very confused about how to multiply the camera matrices correctly. So for the camera transformation matrix (T) I need a translation matrix (C) and ...
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How would I extend the range of note blocks in Minecraft? I'm using a Fabric mod template for 1.21.1. I only started coding about a week ago, so I barely have any idea what I'm doing; as much ...
symphxnic's user avatar
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I'm coding a simple Arkanoid/Breakout game and have problems with removing the bricks. I'm able to destroy the body but the texture is still there. I'm a beginner so is there a simple way to remove it ...
K.U's user avatar
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For Minecraft, utilizing the Bukkit/Spigot API, I have a LivingEntity Villager that I would like to path, or "walk" to ...
Randall Arms's user avatar
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I'm developing a 2D game in Java using Java Swing, and I've run into an issue with my player character's attack animation. The player has both movement and attack animations: Movement sprites: 16x16 ...
TheLearner14's user avatar
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Is there a way of getting embedded objects defined within Tiled's collision editor from TextureMapObjects? It'd be great if I could place texture objects around on an object layer and also include ...
Silas Hayes-Williams's user avatar
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I would like to preface this by saying I am not a dedicated game developer. I am trying to implement proportional navigation in order to create a missile class that receives the target location every ...
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I have not used Java in a while and thought I might try LWJGL with OpenGL and GLFW. I am using Apache Maven as a Build System. It lets me compile the program, but when I run it, it says: ...
Doggo4's user avatar
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Im trying to connect bodies together to make some sort of a "building" system or more specifically im trying to make multiple "blocks" connect to eachother but Struggling to figure ...
Ziv the fire's user avatar
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I am trying to compare the Z-axis and the X-axis of two different quaternions in a way that would give me the Euler angles about the X and Y axes to line up the two different axes. In my program, the ...
ACR115's user avatar
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I'm trying to figure out back-face culling, with little results. My code, from what i've gathered: ...
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I'm having a really hard time understanding Threads and their contents. What I'd like to have is a main game object (which I have) and a loop, where I can measure the time it takes for two threads to ...
Valtsuh's user avatar
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I am working on a game engine. ...
Grinding For Reputation's user avatar
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3 answers
153 views

I'm making a simple game engine using Java and have found a major issue. To create accurate collision detection I decided to convert a transparent image into a ...
Grinding For Reputation's user avatar
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I'm planning to make a Class for RPG game's character skill. But the problem is that the skills need to be classified by multiple criteria. Below are the criteria for skills. Independent / dependent ...
evol1102's user avatar
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I'm currently working on a LibGDX Java Game Project inspired by the Space Invaders game where I have created 2 Scene Classes: LevelScene and ...
TechGeek49's user avatar
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I'm trying to make a turn-based game where my character is allow to move in any direction, but only by as much as the dice rolled allows him. My problem is with how I'm using ...
Silver Lilies's user avatar
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1 vote
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Sometimes in video games the players can walk up to certain objects for example boxes and barrels and shove them around. How can I recreate this system? What function do I have to use to apply force ...
Nagy Lala's user avatar
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2 votes
1 answer
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I've been developping a 3D app for some time and I remember at some point I started to need to pass data arround in unrelated areas of the program, where it wouldn't make much sense to pass them ...
Gyoo's user avatar
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1 answer
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I'm developping an OpenGLes 3.0 app with Java and I started writing the shader code. For some reason, it seems to mix up the attributes data locations and I don't understand why. Here's the code : ...
Gyoo's user avatar
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I'm developing a RPG-game. After searching about various ways to save item information in RPG-game, I determined to save information in JSON files. The problem is that in my game, some equipment's ...
evol1102's user avatar
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1 vote
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92 views

I work in java with lwjgl3. I came across a strange artifact, the source of which I have not been able to determine for a very long time. I'm drawing a large surface. When I approach this surface and ...
alfabouh's user avatar
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I create text buttons, add every image and font, but it's still disabled when I want to add button in scene composer. I'm probably doing something wrong.
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Currently coding in java, using cocos engine, making a low-poly game with a world which changes based on what the player does, hopefully including the aspect of an enemy changing when the player hits ...
AussieNote's user avatar
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I'm working on a Java Brick Breaker game, and it's functional so far. However, I'm facing an issue with collisions. Currently, when the ball collides it simply reverses its direction. I want to ...
Zappiermike's user avatar
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Not entirely sure how to resolve the issue as I am quite new to programming, however this seems to be my last option in terms of finding an adequate solution. EDIT: https://streamable.com/0i92xq - ...
jah's user avatar
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1 vote
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495 views

I am trying to implement realistic physics for my game plinko. As of now i only implemented the inversion of the velocity and the distance between both objects. ...
Jonasoos's user avatar
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1 answer
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I have a piece of code similar to this: Vector2 test = new Vector2().setLength(20).setAngleDeg(45); But when I'm trying to print its contents (such as ...
big papa's user avatar
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I'm trying to make a map using a text file, but it only does the first line / column and not the rest. I know the problem is in getTileImage. ...
Nobodyis_here's user avatar
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I have a game I am working on, and I want to make a launcher for it. I am having trouble finding information on how to do it in Java (my video game is programmed in Java, so I do not want to use C#, ...
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Nobodyis_here's user avatar
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If you were to design a multi character game like "Genshin Impact", would you design the character(hero) as a item? What is an item: in our game design, an item is an object within the game ...
Criwran's user avatar
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so my project is a ray-casted lighting system thats trying to implement soft shadows. the ray casting is working currently, so right now my focus is on performance of the soft shadows portion. i use ...
Potat.OS1's user avatar
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0 votes
1 answer
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I want to make some new Recipes with CraftTweaker, which uses machines from the Create mod (I'm using Life In The Village 3), but I have the following error in my scripts: ...
Lucas Plt's user avatar
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1 answer
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After creating a few bodies and a map with collisions, the app performance clearly goes down. However, RAM and CPU don't seem fully stuck, but the game experience is horrible nonetheless. GameScreen ...
ognevo's user avatar
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I am working on a java 2d game. Keeping things short, I'd like to improve my current input handling. Basically the player can move up/down/left/right with WASD, perform an attack with mouse left click ...
magister's user avatar
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1 vote
0 answers
237 views

I'm new to Java and I have seen that some games use Canvas and some use JPanel as the class that Game class inherits from. Here is a sample project but it's a bit old. I am not sure what should I use ...
Zielony XD's user avatar
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0 votes
1 answer
802 views

So I have recently been working on a minecraft 1.8.9 forge mod, just to play around and see what there is (eventually I am planning on making a utilities mod with versions for 1.8-1.19, which is why I'...
MiSt Rocky's user avatar
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1 vote
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Did anyone use this library? I am wondering if this library has a possibility to display tile animation? When I try to show my "abc_main.tmx" map (created in Tiled application) the tile with ...
Jawegiel's user avatar
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1 vote
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138 views

I am developing my first libGDX game. I want to animate the buttons on the stage, so they transition into view instead of just popping into appearance. For example, each button should slide in from ...
Zerg's user avatar
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1 vote
0 answers
220 views

The following example prints 59 on my system, because the return type of getRefreshRate is int. ...
ceving's user avatar
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1 answer
735 views

I have used the BufferStrategy, but my code runs still way too fast. xrandr reports that TearFree is "on" and the ...
ceving's user avatar
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1 vote
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91 views

so lately i've been learning about abstract classes and interfaces, and i saw a neat yt video about falling sand games (think Noita) so i wanted to take a crack at it as some particles share a ...
Potat.OS1's user avatar
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1 vote
2 answers
347 views

I'm currently in the process of writing my own chess engine in java and am having a little trouble with negamax. I've opted for negamax since its easier on the eyes and reduces the number of lines of ...
AF_'s user avatar
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