LibGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, Mac OS X, Android, iOS and your WebGL enabled browser.

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TiledMap problem in android device (LIBGDX)

I'm a noob on programming java apps, and I'm trying to make a very simple platformer game. All is running very well on desktop project, but, when I put the game on my Xperia a "strage" thing happen......
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38 views

Libgdx + Box2d working with 2 cameras

Recently I have read that you can work with 2 cameras whenever you involve Box2d, which only works in meters. In my Renderer class, I receive all the entities in the game and then draw them. I work ...
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51 views

LibGDX - Getting Tile Map Layers Problem

While following a tutorial with LibGDX, I am working with tile maps. This is the method that I'm using: tilemap.getLayers().get("Collision Layer"); or tilemap.getLayers().get(1); //1 is the ...
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70 views

Libgdx, TiledMap, and tearing

My TiledMap tears when the window is specific sizes, resized, or the camera moves. The tileset is padded by 2px and have tried as high as 10px. Each tile is 70x70. Here are the pack.json ...
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1answer
102 views

How could I draw text in an 'info bubble' with libgdx?

I am making an android game using libgdx where there are textures on the screen which represent people. When you touch a person sprite I want a little info bubble to pop above their head displaying ...
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71 views

How can I make an actor fire a bullet on touch?

I created a Jet and a Bullet, and when Jet is touched, the Bullet is fired. Now I want to know how can I make the Jet fire again when touched after it has fired the first shot? public class ...
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64 views

LibGDX - Player Movement Flickers

So, I was programming a very simple LibGDX game, so I decided to include a player class into the program. Once I did that, the players image started to flicker/stutter while I moved it. Here's the ...
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50 views

libgdx sphere rotation after movement

I'm moving my sphere on the screen using this method: Matrix4 m = myBall.body.getCenterOfMassTransform(); Vector3 translation = new Vector3(); m.getTranslation(translation); float multiplier = delta ...
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97 views

Implementing BaseGameUtils with LibGDX for Google Game Services

I'm developing a game for Android in Java using Android Studio and LibGDX. I'm trying to implement the Google Game Services inside my game but I'm having trouble using the BaseGameUtils. Every time I ...
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51 views

gdx-video - Error: Failed to resolve: com.badlogicgames.gdxvideo:gdx-video:0.0.1

I would like to use gdx-video extension in my libGDX project, to embed a YouTube video. I have found this extension on GitHub, but there are several error messages during Gradle Sync process. I have ...
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43 views

How to get system date? [closed]

How do I get system date like: month, day in libGDX? I want to add to my game events that happen on specific date but I don't know how to receive it.
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60 views

GLSL Shader not compiling (Android & LibGDX) and no log available

I'm trying to get a "ripple"-shader working for OpenGL ES 2.0+ (using LibGDX). However, I can't get it to compile, and for some reason ShaderProgram.getLog() returns an empty string even though the ...
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35 views

Move/Rotate 3d multiple objects w.r.t. to one another in libgdx

I have two blender objects in .g3dj format. Below is the code : private void createBaseArm1(){ // Now load the model by name from asset folder baseArm1 = modelLoader.loadModel(Gdx....
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42 views

Lip Sync Sprite Animation in LibGDX

Is there any free sprite package to achieve lip syncing animation ? This is what I have in mind. User will input text The character will talk with the appropriate lip sync. I know there are ...
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45 views

How to run Kryonet server inside Libgdx project and is it ok?

I am trying to add multiplayer to my game and I used Kryonet. I have written the server, requests and etc and the only thing that is in front of me is how to run the server, it is in the libgx project ...
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42 views

get object location in 3d view libgdx

Below is the code of rendering the .g3dl model. I am trying to find the x, y, z co-ordinates of model's top view in 3d (Android) from origin (0, 0, 0) using calculateBoundingBox. I am stuck with no ...
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39 views

Box2D top down car weird spasm

im currently programming a 2d top down racing game with box2d and libgdx. i have a car body to which there are 4 wheels attached. these 4 wheels are attached with RevoluteJoints ( for the front ...
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39 views

Stretch Textures to screen width and height with StretchViewport

I have an orthographic camera that have viewportWidth = 540 and viewporHeight = 960. My backgrund texture is 1080x1920 pixels. How can i resize the texture to fit the camera using a StrechViewport. ...
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51 views

Player moving back and forth when moving with camera LIBGDX

I have a problem. When in libGDX my player moves across the screen and the camera is moving after him the player jumps back and forth a bit. Player still moves forward but it looks goofy I'm moving ...
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1answer
65 views

Problem merging vertices of two polygonial bodies

SUMMARY I need help to create a weld joint that fixes the two bodies together in a way as illustrated in the first image. ISSUE I am having an issue where I cannot find out how to weld vertices of ...
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1answer
45 views

GlViewport-code doesn't work in one specific screen?

I am currently working on a small game using LibGDX and Java. However, I have found one oddly specific problem. I want the game to resize so that it never has to be cropped and so it never has to cut ...
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227 views

Box2d set sprite to body that rotates around specific point

I want to rotate kinematic body around a specific point (I already done this part using shape.setAsBox(1.8f / PPM, 0.2f / PPM, new Vector2(5.2f, 0), 0); What I try is this: PolygonShape shape ...
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33 views

Doing collisions on both axis with java overlap

I'm making a top down game from scratch and just found out about the java rectangle overlap method that would work great for collisions. However, after the overlap happens, I need to check for which ...
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1answer
54 views

LibGdx: search through text file without lots of String garbage

I'm reading a text file from Gdx.files.internal in LibGdx. This is essentially streaming a file from a compressed Jar file so random access is not possible. I want to search through the text file ...
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108 views

Textures created with Photoshop show up with a white border

All of a sudden, I started having this problem. I've used libGDX + Photoshop before and never had this problem. One of my textures is showing up with a white border/glow around. The texture is the ...
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43 views

libGDX - “Hosting” a Viewport inside of a Scene2d Window

I am making a game using libGDX. I am trying to build some tools to use while developing my game, things like a scene editor or a scripting console. The tools are Scene2d widgets which I have in a ...
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53 views

Vertically mirroring the screen in LibGDX

I'm developing a game in which the screen layout is different for right and lefty players, so i'll put a button in it to mirror the screen vertically. For displaying textures and fonts, i use a ...
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117 views

Box2d - Texture lagging and flickering

I'm having issues with texture rendering in my game. I've done a lot of research and repeated the same steps of tutorials over the internet to render and update Sprite positions properly. Somehow, ...
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1answer
56 views

LibGdx Tiled Map Rendering Problem

Im trying to study a book to learn LibGDX game engine but i have a problem with rendering tiled maps. i think i wrote the same code with book but i couldnt get the same result. its a simple game with ...
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63 views

LibGDX efficient colored rectangle rendering

I'm creating a game in which I renderer around 1000 to 2000 solid colored squares per frame, 90% of which are the same size: ~4 px depending on the dpi. I am looking for the most efficient way to ...
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71 views

Libgdx and Box2D TiledMap render is not smooth

I'm building simple side scroller game. My player (square) move fast and it interacts with other world objects. Problem is when my player is moving it seems that all world is rendering somehow strange ...
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Libgdx box2d bodies go through other bodies

I'm developing a game using libGDX and box2d. I am facing a problem that bodies go through each other... I'm moving the body using a TouchPad by setTransform. I think the problem is that I use ...
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1answer
71 views

Hand cards auto arrangement

I'm making a card game with libgdx scene2d and what I'm trying to achieve is auto arrange the cards in a way the all fit the screen. This is what it looks now when the hand is full: I have done ...
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1answer
41 views

What is the code for panning a camera from touch input? (libGDX + scene2d)

I would like the user to pan around a game world by dragging their finger on a touch screen - just like Google Maps. I tried a few things but I'm not having much success thus far. Here is where I'm ...
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20 views

LibGDX: Is there any way to check if space between 2 bodies is free?

I know how to calculate the distance between 2 bodies in my game using Math.hypot(x,y); but I need to know if between those bodies the space is free, I mean, without any body.
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1answer
170 views

How can I set a Steam achievement in Steam via LibGDX or native Java?

Is it possible to set or 'unlock' a Steam achievement via LibGDX or with a native Java solution? If so, how it this possible. Furthermore, what would be a good implementation for 'saving' achieved ...
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71 views

Texture gets blurry when moving Box2D body

I'm having this issue that is very annoying. Somehow the texture of the player body is getting blurry and leaving a slight trail with its colors when moving it. The interesting fact is, this only ...
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39 views

Have libgdx particles leave permanent sprites?

I am trying to figure out how to have enemies hit leave permanent blood splashes in my game, but I am not sure what direction to go. I am currently using box2d, just for defining my ligh-system with ...
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145 views

Water Rendering with LibGDX and LiquidFun

I'm very new to game development and I need some help with a renderer. Can somebody show some code for a Water renderer (and shaders if needed) using libgdx and liquidfun? I can render my particles ...
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1answer
59 views

Desktop launcher Error in Java & LibGDX

What's my problem: It says there is a null pointer exception in my desktop launcher class even though I haven't really touched it other than add a title and change the width & height. The weird ...
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1answer
94 views

Libgdx Fine Tune Megaman Movement

With help from my last question, I was able to fix the issue of having a stuttering effect if you keep hitting jump, while jumping. I believe I have managed to match moving on the X axis and the ...
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1answer
49 views

How to dispose in Newest Java/LibGDX ApplicationListener?

Am I new? yes What I'm wondering: How do you dispose of textures / spritebatches and the things you normally need to dispose of now? Why I'm asking: Because theirs no automatic dispose() function ...
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36 views

LibGDX & Box2D Actor Collision

I'm working on a LibGDX project, and I was wondering about the best way to define actors in a collision. I know this is probably a common question, but specifically I'm interested in beefing up one ...
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43 views

LibGDX Texture blending

I have two textures 1 and 2, and a "mask" image 3. I'd like to interpolate between the two textures by using the mask image, and get something like 4. I'm not really sure where to start, as I never ...
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48 views

How to get many rectangles and join them together into one polygon

I'm using LibGDX to make a platformer game in which I have a tilemap containing lots of instances of a Tile class. From the Tile class you can return a rectangle which represents the tile's position ...
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1answer
106 views

Bullets Are Spawning Weirdly in my Java/LibGDX Plane Shooting Game

What I'm trying to do Have bullet's spawn in the center ( or close enough, the exact number can be played with after ) of my player sprite. What's going wrong: They're spawning super weirdly. The ...
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1answer
51 views

Libgdx unable to enter input in TextFields

Hello I am trying to make login screen for my game, I use TextField's. 1. I am not satisfied with how they look I want it to look like this but simpler - basically to have a white field next to the ...
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31 views

ChainShape in Box2D

I recently began to learn libgdx and I am stuck at a problem with the CainShape of Box2D. My first goal is to simply create a box with a ChainShape. In order to achieve that, I added four Vector2 to ...
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185 views

Cant write/read to/from external storage with LibGDX

My create method looks like this: @Override public void create () { batch = new SpriteBatch(); FileHandle file = Gdx.files.external("file.txt"); file.writeString("My god, it's full of ...
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26 views

Libgdx moving a body sequence

How can I move a body (box2d) to different points in an order. Like first it moves to 100,200 then to 200, 450 and so on? I've tried actions(and actor) but I can't get the point where the body is ...