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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How to mirror a texture in libGDX

Is it possible to rotate my sprite in LibGDX? public class Flame { private static final int FRAME_COLS = 6; private static final int FRAME_ROWS = 1; private Animation flameAnimation; ...
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Libgdx : how to attach actor to a rotated group

I have a group actor with a circle image .png and then I spread small circles around surface of this group, I mean circle on angle 0 and circle on angle 60 and so on using the math equation: ...
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LibGDX's particle emitter - Multiple particles in the same effect?

Hello everyone reading this, I've used the particle editor to edit an effect to put in my game. Is it possible to have multiple and randomly emitted images (particles) instead of one? I don't want ...
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How do I manually make a .pack file like TexturePacker (without using TexturePacker)?

I am using libGDX and apparently the only way I see for creating a UI is with texture packs. I would say that since a texture pack is nothing more than JSON or XML file and a large png I could ...
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LIBGdx - Kryonet with an InetSocketAdresse

I'm trying to implement Kryonet in my game and i'm facing some trouble. Using the source from the code i develop my server like that : try { this.server = new Server(); ...
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Libgdx Statebased game not working

I'm using Libgdx and I wanted to change the default application to a Game with multiple screens. I get an odd nullpointer that has to do with the engine. I'll show you my little setup code. Here I ...
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What libgdx project files can I ignore from version control?

In an automatically created libgdx project, what files can I safely tell Git (or other revision control systems) to ignore? I'm considering these: *-android/.settings/ *-android/bin/ ...
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322 views

Grayscale color mode texture not rendering in libGDX

I am about to develop a game completely in shades of grey using libGDX and just for testing purposes, i created two textures in photoshop: 2048 x 2048 plain white png image with RGB color mode of ...
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Making a border around a translucent shape in LibGdx

The recommended method for making a border around a shape using LibGdx is to draw a larger version of the shape to serve as the border, then draw the shape over the larger image. ...
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Libgdx Platform collision problem

I am trying to come up with a collision function where all the cases are made. If the player (Who's hit box is a circle) collides with a platform (hit box is a rectangle) from the right the ...
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Box2D No Gravity when moving against wall

I use Box2D in my current project and I have a problem with the gravity.. You can see my problem here: https://www.youtube.com/watch?v=2_kv9LkKwN4&feature=youtu.be when i jump normal everything ...
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Libgdx getting screen size

I'm working on libgdx project. I basically recreate my game which I coded in xna to make it available for android. Here's the problem android has many screen resolutions, and I want to know how to get ...
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LibGDX Android Textures reload other textures, and transparent images get black backgrounds [Pictures]

I have very strange problems with my LibGDX Game in Android - The problem is that sometimes the textures get black backgrounds when they should be transparent, and sometimes when I remove the texture, ...
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Sprite transparency not effected libGDX

I am making a game using libGDX and Tween Universal Engine. My problem is as follows: I have 2 screens so fars, a splash screen with the logo, and a second one which is the main menu. In the splash ...
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4answers
683 views

What is the easiest way to make an object follow the edge of a sprite?

I have a rounded rectangle sprite and another sprite that's just a circle. I want the center of the circle to follow the edge of the rounded rectangle. Is there any easy way to accomplish this task? ...
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4answers
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How do you create your own tileset?

I'd like to create a 2d platformer and I understand that using tiles helps you a lot. I think many use the map editor "Tiled" but I can't find anywhere how do you make your own tileset from a given ...
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LibGDX's HTML project doesn't show anything in Browser

The question is self explanatory, when I run my demo-html project as a Web Application and I open Chrome with the provided link by eclipse, my browser doesn't show the image it is supposed to show in ...
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Problem loading particle effect

I am trying to load a particle effect, but I get an error when libGDX tries to load the image file for the particles. Couldn't load file: - Image Path - The particle effect file itself loads fine. ...
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Libgdx array of Vector2 closest point

I have an array of objects. Their position is a Vector2 (x, y). I want to select the closest object, given a (x, y) coordinate (that represents an user touch on screen). Searching on web I found a few ...
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Use libgdx box2d for dynamically generated top down map

So, I've already found some information on how to use box2d and tiledmap together. Since I want to generate my top down map (100 by 100 tiles), I thought about only using box2d. The tiles would be ...
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LibGDX , Box2D body Mass Center

I am creating complex bodies using this editor. But the mass center of the body is not in the right place , when I apply force to it it begins rotating . So I am confused why is the masscenter in the ...
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Why do I get this file loading exception when trying to draw sprites with libgdx?

I'm having trouble with the "Drawing Images" section on the libgdx tutorial. I set up the documents completely and I typed the code as follows: public class Game implements ApplicationListener { ...
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LibGDX strange status bar in background [BUG]

I released an app and I noticed that some devices has a strange "bug" which I don't know if it's caused by Android, me or LibGDX. That bug is related to status bar, normally app let you see the bar ...
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Smooth Shapes in libgdx using ShapeRenderer

I am using ShapeRenderer in libgdx to draw my only character to get rid of texture in my game. But I am not getting quality results. Circle edges are distorted. I tried with high resolution and also ...
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Creating metadata/pack files for an existing sprite sheet

I've just bought Oryx's Roguelike Tileset pack and I use LibGDX (flixel-gdx to be precise). My question is, given this pre-made sprite sheet format, what's the best way to integrate the sprites into ...
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Why is my text is too large even when scaled to .05f in libGDX?

I'm trying to scale down my fonts as my game objects are also small. I'd like to scale them down the same way as my sprites. However, if I scale them below .05, the font disappears! My attempt at ...
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LibGDX music doesn't play anymore after x times

In my App I added two sounds, the first is played when the gamescreen start the second when the game is going to game Over screen. Everything works fine but after about 12-13 games the second sound ...
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How do I make a pop-up window with Scene2D?

I have a main-menu screen with a logo and a bunch of buttons. When the Login-button is pressed, I pop up a dialogue asking for a username and password. This works fine, other than the "popping up". ...
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Libgdx Music error QCMediaPlayer mediaplayer NOT present

Problem solved with music = Gdx.audio.newMusic(Gdx.files.internal("song.mp3")); I am looking for music implementation in my app with LibGDX. I saw the guide provided in LibGDX documentation but it ...
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Load a simple text file through asset manager in libgdx

It's easy to load a simple text file from the internal: Gdx.files.internal("data/colors.txt"); But I currently use an AssetManager to load assets that are defined in an array of ...
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Sprites not being rendered on screen change - Android Libgdx

In my game over screen for my Libgdx Android game I've the following code which starts a new game upon a screen touch. if(Gdx.input.isTouched()) { ScreenManager.setScreen(new ...
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Endless Running Game - Changing Lane Function in JAVA

I am developing a kind of vertical endless running game, where the character has 4 possible lanes to be in. I am using libGDX and want the character to change lanes by adding a horizontal velocity to ...
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Libgdx loading images

I can't find a sulotions that solves my problem, I've tried pretty much every tip I can find, but with no luck. Error : Exception in thread "LWJGL Application" ...
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How to get this type of movement in LibGDX?

I want objects in my game to move randomly but always from right side of the screen to the left side. The movement must be as smooth and natural as possible, like they are following a path. Can i ...
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libGDX: Linking 3D scene from 2D screen

Using libGDX I have created a few 2D screens, such as a splash screen and a main menu, and also created a 3D scene which I want to be able to load when clicking a button on the main menu. I know how ...
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Libgdx body passing through block then fall on it

I'm using libgdx and its physic engine Box2d. My question is : how could I make my box2d body go through a block , ignore the first collison than make the block active so the ball can fall onto it. A ...
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LibGDX and Sound Priorities

According to a post I found, the setPriority of a Sound in LibGDX is not only a hint, but does nothing on desktop, and I can confirm this. I really need priorities for sounds in my desktop game. The ...
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LibGDX collision with rectangle and circle

I have 2 objects, A and B, both are classes with only values, so positions and dimensions are only values (float posX,posY). I have a render class which render A and B with shapeRenderer; A is ...
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Building levels for use in LibGDX

I'm working on a 3D shooter game using LibGDX and was winding how I would go about building levels that I could import into my game easily. I'm using Blender as my modeling software and I've heard of ...
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SelectBox in LibGDX doesn't display and freezes the program after a click

I am currently trying to apply an overlay with LibGDX over my 3D ModelBatch. Everything works fine except for the SelectBox. Once instanciated, it shows up on my screen I can click on it once but then ...
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LibGDX destroy object when not used

I am developing a game where objects move in the screen. My object is instantiated in Y = 0 and I want to destroy this object when it goes under the screen Height. So if (positionY >= ScreenHeight) I ...
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Java libgdx get clicked square without iter

I would like to detect which square is clicked without iterating over all elements! i don't want to do this anymore for all elements. if( x >= this.getAnchorX()-HalfWidth && x <= ...
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How to stop deltaTime while debugging

Framework: LibGDX IDE: Android Studio Game based on Kilobolt tutorial While debugging, the frame delta time i get using Gdx.graphics.getDeltaTime()continues to increment so when i stop debugging ...
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How to run a method after a scene2d being rendered in libGDX

I want to make a screenshot with ScreenUtils.getFrameBufferPixmap(x, y, w, h); I call this function in Actions.run(new Runnable{...}) in scene2d.ui, and the problem is that actions are called at ...
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Why does physics interpolation give me periodic jumps/flickers?

I have seen this question but it didn't solve the problem. I have followed the same steps as in this article. What I notice in my Android game is that my interpolation alpha (or fraction or ...
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Ligdx Box2d : convert box2d coordinates into screen coordinates

I'm new in libgdx and i have a little problem. I created a body in box2d and i want to assign it a sprite; for that i need to get the position of the body,then insert into the main loop the updated ...
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Why is my texture drawn in a different place when in fullscreen?

I'm trying to draw a texture (with a crescent moon) in the middle of the y-axis: public void draw(SpriteBatch batch) { batch.draw(lune, 0, Gdx.graphics.getHeight() / 2); } It renders this when ...
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How to match user click and the sprite object position in libGDX framework

I am using libGDX Java framework for developing a practice game in Eclipse. My game is in landscape mode and I am using sprite image for game assets. Actually I am trying to follow the Kilobolt ...
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Libgdx Actor touch undetected

I am looking for detect touch in an actor. The touch in my game is detected in wrong part of the screen. I want to detect touch only on the red circle, here is the code: Static_values public class ...
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LibGDX Tiled Map - how to get embedded objects

I am using LibGDX to learn Game Development. I have reached the phase I am learning to use Tiled Maps. In Tiled map editor, there is a feature where we can pick a tile in the tile set, go to View -> ...