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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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 ...
3
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1answer
93 views

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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1answer
4k views

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" ...
3
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1answer
503 views

BitmapFont - where is getBounds method in new 1.6 libGDX

I download newest libgdx version 1.6 and i cant solve problem with center my BitmapFont text. Earlier in version 1.54 i used getBounds() method to find out width of text. Share your solutions, thanks ...
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2answers
68 views

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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1answer
1k 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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0answers
45 views

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 ...
4
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3answers
642 views

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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0answers
16 views

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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30 views

LibGDX, Box2D , Destroy body into parts

I am developing a game using libGDX game engine and box2d physics engine. There are asteroids in my game, I want to destroy their bodies randomly and fill with texture. How can I do it?
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1answer
72 views

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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2answers
3k views

libgdx game not disposing

My game does not exit entirely even after calling dispose() method. It loads a black screen when I launch it for the second time and works well if I kill the game manually and restart it. I get an ...
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63 views

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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1answer
168 views

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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1answer
48 views

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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1answer
47 views

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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2answers
84 views

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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1answer
39 views

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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0answers
78 views

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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0answers
45 views

LibBDX create a tail when the object is moved

I am looking for a way to implement in my game a kind of shadow/tail which will be displayed after the object is moved. Should I use animation? If yes how? Here an example:
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1answer
1k views

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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3answers
683 views

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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1answer
3k views

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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0answers
32 views

How to zoom and scroll in libGdx?

I am trying to both A.) Pinch zoom my game scene and B.) Move (scroll) my game scene but I have not found many examples. I learn more by examples than by reading API documentation (although I am ...
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1answer
68 views

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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1answer
101 views

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 -> ...
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1answer
77 views

Libgdx detect touch on a specific object (while moving) [closed]

I have a class (I'll call it with letter "A") and class B. A is the object (as a character) and B is the rendering class which have the aim to show A. I am looking for a way to detect when A is ...
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0answers
71 views

How to smoothly display opponents in realtime multiplayer game

I'm implementing a small-scale multiplayer racing game. As of right now, the client sends updates to the opponents on a fixed interval (or as fast as possible), containing location on the map etc. ...
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1answer
31 views

Libgdx bouncy effect in a wall

I have an element inside the screen and I want to set my phone's bounds as a wall where elements are bouncing. I want it to be physically correct. How to do this?
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30 views

Libgdx draw random wavy lines (similar to sinx)

I am looking for drawing a wavy road. It must be random and I have to add an hitbox on its bound, how can I do it? I want drawing red objects Example :
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1answer
47 views

Why value 1 in OrthographicCamera viewPort width?

So, I read that camera = new OrthographicCamera(1, h/w); creates a camera with an appropriate width and height for the field view.. However, I can't understand that value 1 for the viewport width, ...
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1answer
104 views

In Eclipse using libgdx, what does “project description file is missing” mean?

In a sudden case of nostalgia, I switched my eclipse workplace from my working libgdx projects to an older one. After looking through my old stuff I had some problems switching it back, since I didn't ...
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34 views

How to draw square composed of four triangles ? ( libgdx )

I've a case in which I need to draw square composed of four triangles like in the photo bellow : The triangles parameters are stored in the JDBC , I know how to draw shapes in Lbgdx but this kind ...
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1answer
51 views

Libgdx Drawing a triangle cannot resolve method “render ”

I am looking to draw a triangle. I found a lot of code such as : https://github.com/libgdx/libgdx/wiki/My-First-Triangle-%28Example%29 The code I found are old I think; if I use ...
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0answers
210 views

Android Studio libgdx multiplayer

Does anyone know if it's possible to setup a multiplayer game using libgdx in Android Studio? I've been trying to convert my game to multiplayer using all kinds of tutorials on libgdx & ...
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1answer
292 views

Implementing Spine animations in Libgdx

I've been searching a lot for a guide on how to implement 2D animations exported from Spine to Libgdx, but all I could find was outdated tutorials and source codes. I can handle basic Libgdx but Spine ...
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2answers
95 views

How would I create classes for each map tile instead of using a tmx? LibGdx

I am making a top down style game using LibGdx that I want to be randomly generated each new game load. I already have the algorithm to generate the array for what tile should be what. But i'm ...
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3answers
152 views

Downscaling an asset, still pixellated?

I created a rounded rectangle in photoshop, and I rasterized the rectangle before I saved it. Yet, when I try to use the rectangle in libGDX, it looks pixelated. How can I make it so that it's smooth? ...
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0answers
50 views

How to get GestureDetector to work?(Problem with GestureDetector class)

I am trying to write simple program which would get input from user by swiping in four capital directions. I'm extending GestureDetector.java from libGDX and overriding fling method, but no matter ...
2
votes
1answer
1k views

libgdx collision/picking

I am trying to make something with java libgdx (2D). One thing that I can't figure it out is how to check mouse intersection with (fore example) isometric textures that are not rectangle shaped ...
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1answer
69 views

Pan camera within bounds of large image

I have a camera that I pan around a large image which works fine, however when I reach the end of the image I can keep panning on and on, forver. I have looked everywhere for an answer on how to ...
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0answers
55 views

LibGDX Android Unclickable buttons on Dialog

I'm using the libgdx for a simple pong game only for Android and I'm trying to show up a dialog when the back button is pressed. My activity implements Screen, InputProcessor and in the keyDown ...
0
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1answer
68 views

LibGDX full screen display mode and camera resize

I'm creating a simple 2D platformer and I have problem with my camera y position when I enter full screen mode. But first here's my code screenY = Gdx.graphics.getHeight(); public void ...
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0answers
42 views

Import Unity 2D objects in Libgdx

I'm using Libgdx to do some simple home projects. I'm trying to make a simple 2D game with Box2d using R.U.B.E as editor. I create a 2d terrain in R.U.B.E now I want to create the terrain texture. I ...
5
votes
2answers
104 views

Body lost a velocity component when hitting a wall

I am creating a Breakout game using Box2D (of LibGdx if anyone interest). Everything works well until when the ball hits the wall when moving with a very small angle. Please look at the image for ...
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0answers
83 views

error in post a screen shot of game scores with Android Intent in LIbgdx game

I want to post a screen shot of my game on social apps. I have developed this game using Libgdx framework. I have created an interface in Core class. Here is its Intent share specific code. ...
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1answer
49 views

box2d not centered in sprite [duplicate]

I am trying to create a bounding box for my sprite using box2d, but the box is being created at the wrong spot. I followed a tutorial on the wiki using this code BodyDef bodyDef1 = new BodyDef(); ...
5
votes
1answer
4k views

Why is my sprite displayed offset from its Box2D body?

I found out about this using a debug renderer. When the game starts, everything is in order. But when a collision happens, the sprite's rotation is way larger than its body. The sprite and body match ...
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1answer
90 views

LibGdx Table not firing touch events

I can easily add listeners to the actors within a table, and they will fire events, but if I want an entire to table to have 1 listener and do not care to have differentiated effects depending on ...
0
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1answer
113 views

Animation fails due to a NullPointerException which I'm certain shouldn't be thrown (LibGDX / Java)

What the title says basically. I've been stuck on this error for a few hours I got it to work earlier but I honestly can't see why its failing now (ctrl + z'd back to the working stage). Here's my ...