A game library which enables cross-platform game development in Java, with support for Android development and desktop development. It makes use of OpenGL for portability.

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Bullet Physics for Collision Detection and Smooth Response

I'm creating a game using LibGDX, and to prevent the need to spend lots of time writing collision detection code I've decided to make use of Bullet Physics, simply for collision detection and not for ...
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GdxRuntimeException uiskin.atlas

I have problem when trying to use the uiskin.atlas from github/libgdx. I've downloaded(cloned) it from libgdx.git but it just doesnt work. I get the following error: ...
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32 views

libgdx y axis rotation (card flip)

I am a complete new user to libgdx and am looking to use it to write a simple card game. I want to be able to flip my cards over to reveal them, in the same way as this example from Google shows. ...
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15 views

Using fonts in Scene2D GUI

I'm learning how to use Box2D and Scene2D together. I'm trying to create a Sprite class that combines a Box2D body with a Scene2D actor. Before I can do this I need to set up the environment I plan to ...
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41 views

Problem with changing font color in libgdx

I recently noticed that my version of libgdx was way out of date, so I updated from version .9.something to 1.4.1. I copied files for the project I'm working on over into a new project generated with ...
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23 views

Change a vertices and display corner of a polygon

I'm currently building a level editor for my game and i'm having some trouble on how to change vertices of a polygon. Basicly i searched the web trying to figure out how to update the vertices of a ...
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21 views

Cant Set Image Origin in Table Cell - LibGDX

I am having real issues with my Actors when placed in table cells. I would like to set center Origin to allow me to tween the scale around the center. I am aware that the Table is responsible for ...
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26 views

In libgdx, how do I get the intersection of a ray with a model instance?

I am using LibGDX trying to use raypicking to pick a point on a Mesh. I have two methods for this that don't seem to work quite right: /** * @param ray * @param intersection The vector to store ...
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34 views

Move body LibGDX Box2D

Hello I have a body and I want to move it. When I press the mouse button my body should move at that position (on the const speed)on the screen. I have override two methods(x1, y1 - point where my ...
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110 views

Box2D shape/fixture position vs. body position

I load my rectangular shapes from a simple Tiled level into libGDX and want to create a physics world out of it via Box2D and attach sprite assets for rendering. I get the tiled object layer and ...
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(libgdx) how to make an actor transmits the events it receives to its children?

I use the following class : public class InGameMenu extends Actor{ /** VARIABLES **/ private boolean debug= true; private float x,y,width,height, margin; private static final String TAG = ...
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libGDX fixed object and camera do movement

I develop game to andorid and there is moving object with arrows - simple movement like in RPG games. I did: camera.position.x = PIXELS_PER_METER*man.body.getPosition().x; camera.position.y = ...
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213 views

libgdx building 3D terrain

I've been spending a lot of my time working with libgdx scene 2d & have become very familiar with it. I've decided I want to move over to 3D & take a couple of weeks to learn & better ...
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36 views

Box2D - create object with different physic parts

I have object with physic: BodyDef bodyDef = new BodyDef(); bodyDef.type = BodyDef.BodyType.DynamicBody; bodyDef.position.set(position); bodyDef.angle = angle; ...
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45 views

How can I rumble/vibrate my controller with libGDX?

The API in the extension in com.badlogic.gdx.controllers.Controllers only supports getting the input data (works fine). Is there a way to make my controller rumble/vibrate using some other ...
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45 views

FPS drop after moved from Textures to TextureAtlas in LibGDX

I've started using LibGDX some time ago and I was making a test project to get used to this library. I've created some images and added them to the assets folder and loaded each image as a Texture ...
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99 views

How can I make a swinging rope?

Base question: How can I make a swinging rope in box2d? Context: The idea is to have a rope where the player can grab it, swing a little bit to get more "momentum" and reach the next platform. Like ...
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How to get the amount of bytes received from KryoNet server?

I'm using KryoNet and I wanted to see how many bytes were were received from a server, could anyone tell me how could I achieve that? Please provide sample code or an example for how to do it.
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265 views

LibGDX MainMenu with ScrollPane - Select Level and press Play

In my level Menu, I am using tables that have images and text to identify each game level. Those tables are in a table that is inside a ScrollPane so the player can browse the levels available. Here ...
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136 views

Libgdx/Box2D PolygonShape has no position… well, what now?

As my prototype works perfectly fine I want to advance to more fun areas of the project and add a more complex player-character body. So for Box2D I figured I'd need multiple fixtures, like one for ...
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35 views

LibGDX ShapeRenderer graphical glitches

So drawing something static on the screen with the ShapeRenderer is fine but whenever I try to move something it starts glitching out. Here's a vine to show what I mean: https://vine.co/v/OBxFi1P2IO9 ...
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49 views

Camera rotation issue Libgdx

I have a OrthographicCamera and I want to rotate 90° it, but when I rotate it seems to be shifted more to the right. Before rotation: http://postimg.org/image/tc9jpq9zr/ After ...
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59 views

LibGDX - How to move Actor with fingers Code?

I am completely new to Game Development. I See all these Questions and Answers and Codes and I have no clue what to do with them. I need some Guidance. My Plan: I want my Actor to move up and down, ...
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62 views

Cannot draw around the screen after zooming out with LibGDX projection coordinate

I've just started developing game in android using LibGDX. I've follow some samples and now my simple game can draw path when user move their finger around the screen. now problems appear when i add ...
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52 views

setRotation in touchDrag

I have a problem, have Actors that represent game pieces. What I'm trying to do is make it so the player can click-and-drag the tile to move it around one fixed position in the screen and rotate. I ...
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39 views

Transitive dependencies show up in desktop but not android project

I created a generic library (PB) which I'm referencing in my core project (mega-whack). Here's what the dependencies look like (simplified build.gradle): project(":pb") { dependencies { compile ...
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92 views

Creating a Wave Motion(ZigZag) on Projectile Motion in LibGDX

Currently im developing a Worms Like game in LibGDX. So i already implemented the firing of projectile and now i want it to move in a Sine Wave Motion while in air. Heres the code of the Bullet that ...
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104 views

How can I scale dialog text in libgdx?

This is what I have and in this case for some reason only the back to menu button is scaled... public class GameOverWindow extends Dialog { private BitmapFontShader bitmapFontShader; ...
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48 views

[LibGdx]Moving a fixture on a body

I'm working with Box2D and I have a basic platform and a box bounces off of it. // Static Platform bdef.position.set(160 / PPM, 120 / PPM); bdef.type = BodyType.StaticBody; Body b = ...
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226 views

Gdx.graphics.getDeltaTime(); Returns 0

I am coding a game in Java using Eclipse and Libgdx. I am trying to make an object move until it reaches a certain random point. I am relying on delta time to make the objects speed the same on ...
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58 views

Libgdx project “Not Responding” when in debug mode

So the problem I am encountering is that whenever I attempt to debug my Libgdx desktop project and Android project the "app" is constantly "frozen" or "Non responding." By this I mean that I cannot ...
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51 views

LibGDX: Its there any way to calculate the speed of a repeated scrolling background?

I'm trying to calculate the scrolling speed of an background, I'm doing something like this on the background class: private Texture texture = new Texture(Gdx.files.internal("backgound.png")); ...
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106 views

Google Play Game Services - Handling messages via p2p, host or no host?

I am developing a real time multiplayer game using Google Play Game Services. The underlying networking is done via P2P. Everything I read says I should still have a game host that sends out all the ...
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63 views

Graphical Designer for creating in game objects

I am creating a 2D endless scrolling game . The game needs to have a repetitive object , say a building with random width and height . But the basic color and features like window shape of the ...
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75 views

Using Tiled (tile maps) for creating just parts of the game

I am creating an endless scrolling 2D orthogonal side scrolling game. But I am having an issue : In my game I want certain buildings to be there of random widths and height. Now the buildings are not ...
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40 views

Only 1 character prints in LibGDX

I'm creating a simple menu in LibGDX and following a Stage/Table approach. I have a header, and a TextButton. Both have some text to them, but both only show 1 character. For example, the header ...
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62 views

Correctly identifying a Fixture from an extended class in Box2D's ContactListener

Sorry for the confusing title, I dont know how to resume it that much. Im making a game, and I have a simple class Mob which is extended by Warrior and Enemy. A Mob has a Body, and that body usually ...
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20 views

swapActor not movings the actors

I'm trying to use myTable.swapActor(Actor a,Actor b). It does return true, so it should swap the items, however, nothing's moving. Is there something I've not seen in what the function really does? ...
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159 views

Sprites on scrolling tmx map (LibGDX)

I have .tmx map loaded, and a camera to see it. The map is bigger than the camera viewport, so I need to move that viewport scrolling the camera. Now I want to draw a sprite on the map. To do that, at ...
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65 views

LibGdx how to get touched point in differente screen resolution

I'm developing a game actually on phone and tablet. In libgdx I found that using camera.unproject api with vector3 can get the relative coordinate for differente screen resolution however I doesn't ...
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99 views

libgdx ScissorStack problem

Im making a user interface using libgdx I created a Window class & a Textfield class, that both use clipping. I use the ScissorStack class of libgdx for clipping. The Textfield is drawn inside ...
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55 views

InvocationTargetException caused by IllegalArgumentException due to trying to create a new OpenAL instance

So, after creating this class, (in this LINK) , I ran into a new problem, I recieved an InvocationTargetException, which is generally caused when a method is invoked and an exception is created when ...
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90 views

How to open another class by clicking on a button on libgdx?

I have a question about libGdx. I am making my own game, I have already made a splash screen and a main menu. I have made a button "Play" in my menu but I can't link it to my main game. however, I can ...
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46 views

vertical lines on texture in libgdx

i am getting vertical lines on my texture even though i tried implementing texture filters,both linear and nearest and still i get the lines.how do i get rid of it? here is the code: package ...
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57 views

Have button style not change when down

I'd like the button style to only change when it is checked and not change when it is pressed down, and/or have only the font color change. I'm using the built in Skin function with a .json file, ...
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137 views

Frame Buffer couldn't be constructed: incomplete attachment error on nexus 7

So I am running into an issue where I cannot load my game onto the nexus 7 because of the error stated previously. I read online that this is because the device can't use the Format class or something ...
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170 views

LibGDX scene2d button click not passing through to next input processor despite returning false

I currently have two input processors in my multiplexer, in the following order: Stage GameInput On the stage, I have an ImageButton with the up/down states set up correctly. Since the stage is ...
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169 views

ShapeRenderer is pixelated in libGDX

When I use a ShapeRenderer, it always comes out pixelated. But if I draw the shape in photoshop with the same dimensions, it's very smooth and clean-looking. My method is just as follows: package ...
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101 views

How to add a flashlight in libgdx?

So I want to add a flashlight to the game when the game starts to get darker which I already have working. I bound a light texture to the batch and the first problem is that for some reason the ...
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176 views

Black screen when switching from fullscreen to windowed mode with libgdx

I have just started working with libgdx, and have run into my first problem. I have a simple program that switches a desktop application from windowed mode to fullscreen and back again. If I start the ...