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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How can I create a button with an image in libGDX?

I am new to LibGDX. I am trying to develop a game for Android (so it will support different screen sizes), but I don't know how to put a button with an image. I tried ImageButton but I can't resize ...
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1answer
21 views

LibGDX - Accelerometer Problems

I got some issues. I'm using LibGDX. When I hit an object, my Fighter is supposed to fall to the Ground. BUT, because of the Accelerometer, i can still move it up and down eventhough it died. The ...
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2answers
2k views

Detecting key press only once in Libgdx [duplicate]

Have a question on keyboard inputs. Currently I am using this method to read my input, Gdx.input.isKeyPressed(Input.Keys.A), it is working fine. But I do realized at times there are multiple instances ...
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0answers
19 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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24 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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2answers
714 views

Problem with AssetManager while loading a Model type

Today I've tried the AssetManager for the first time with .g3db files and I'm having some problems. Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: ...
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1answer
34 views

Swiching screen at collision LIBGDX

I am programming with LIBGDX and I am working with a piece of code. What I want to happen is that when the BUCKET collides with a DROP the game switches screens back to the menuScreen. I have tried ...
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1answer
97 views

Multiple enemy array in LibGDX

I am trying to make a multiple enemy array, where every 30 secods a new bullet comes from a random point. And if the bullet is clicked it should disapear and a pop like an explosion should appear. And ...
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2answers
348 views

Publish android game only for 800 x 480 resolution in portrait mode

I have developed a game in libgdx. I worked for long and after finishing, I found that the game runs perfectly only on devices with resolution 800 × 480. I found this solution: ...
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1answer
130 views

Is there a difference in these two ways of rendering sprites?

I use an OrthogonalTiledMapRenderer: renderer = new OrthogonalTiledMapRenderer(world.getMap()); and I wonder if there is a differnce between this call: renderer.getSpriteBatch().draw(sprite, ...
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2answers
75 views

How can I implement online high score in LibGDX?

I found some posts that said to use Google Play Services. What about other platforms? Is their some libgdx library that I can use to implement it in core section or do I need to write separate score ...
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1answer
83 views

Which input event is suitable for this game?

I am trying to clone this game: http://www.ferryhalim.com/orisinal/g3/bells.htm As i am using libgdx, so the game is both for Android and PC. I was wondering which input event would fit in nicely. ...
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1answer
12 views

Loading TextureRegion with filter diff from that of texture it came from

I am using libgdx . While packing my texture atlas I have set the filter for mag and min to Nearest . But for just one region I wish to draw it with linear filter . Is it possible to have different ...
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1answer
25 views

how to check in single event that two object clicked at same time in libgdx

I am newbie to libgdx, i wrote 2 functions for touchdown, LockerKeyHalfImage.addListener(new InputListener() { public boolean touchDown (InputEvent event, float x, float y, int pointer, ...
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1answer
86 views

Making Player Jump

I have been editing a piece of code and I have already implemented gravity so I would like to know how i could make the player jump when the screen is touched. I would like the player bucket to jump. ...
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0answers
13 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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0answers
145 views

How should matrix-based Parallax Scrolling work?

The question is at the end, as it requires a bit of context. I'm not sure if my understanding, my code, or LibGDX's ParallaxCamera is wrong. LibGDX's ParallaxCamera uses Matrix4s to achieve a ...
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0answers
379 views

Resize the Texture Region (parallax background) to fit my screen size in libgdx

I am using libgdx to make a running game. I am using vertical parallax background. I have successfully implemented parallax background many times. But for this game, I want my Texture region to fit my ...
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41 views

Make LibGDX game responsive to different phone screen sizes?

I've been experimenting with small games to learn design concepts, LibGDX, and Box2D. I am wondering how you would implement "responsiveness," so to say. For example, this is the rendering part of my ...
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4answers
87 views

Shooting based off mouse position [duplicate]

I'm trying to shoot bullets where the mouse is aiming using one image as a test. I'm trying to get the mechanics like this I have some kind of algorithm to handle that but the results arn't too ...
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2answers
884 views

LibGDX Perspective Camera for 2D

I'm very new to LibGDX and I'm trying to use DecalBatch with PerspectiveCamera, simply to have z-coordinate for my sprites, as SpriteBatch does not offer that. However, I don't know how to calculate ...
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1answer
583 views

libgdx actors and instant actions

I'm having trouble with actors and actions. I have a list of actors, they all have either no action, or 1 sequence action This sequence action has either : a couple of actions (some are instant, ...
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3answers
134 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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1answer
122 views

Libgdx stage rendering issues

I'm using scene2d for the first time, and I can't get anything to draw EXCEPT the stage ui. Say I have my ui on top of my game screen: uiStage.act(): batch.begin(); gameSprite.draw(batch); //does not ...
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1answer
34 views

Ball bouncing with box2d in libgdx

I just started using Box2d and libgdx. I followed this tutorial, https://github.com/libgdx/libgdx/wiki/Box2d And a ball would bounce if I run the following code I took from the tutorial. // ...omit ...
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1answer
1k views

How to update libgdx scene2d Label text dynamically?

I display a BitmapFont on the screen, update its text and the font is updated dynamically on the screen as well. I seem to fail to do the same with a scene2d Label added as actor to a Stage. The ...
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2answers
107 views

2d Ice movement

I am building an top-down 2d RPG like zelda. I have been trying to implement ice sliding. I have a tile with the slide property. I thought it would be easy to get working. I figured that I would ...
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3answers
829 views

libgdx - collision detection with tiled map java

currently, I am working on a 2d rpg game which is similar to final fantasy 1-4. I can load up a tiled map and the sprite can walk freely on the map. However, I will like to create a wall for it to ...
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4answers
6k views

How to rotate a sprite on circle in android using Libgdx

Dear Fellow Game Developers i am newbie to Android Game Development,i like to know how we can develop a sprite rotate in circle on android,with help of libgdx, i do have a image in assets ...
2
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1answer
180 views

How do I split a texture into differently shaped pieces with libgdx?

I want to split a texture into variously shaped pieces with libgdx, like the pieces of a puzzle game. TextureRegion.split() is not an option, as it splits into equally sized rectangular texture ...
2
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1answer
72 views

Daily Unlock in LibGDX

I am trying to make a game that is a collection of mini games. The mini games will unlock daily. There are story for each day. And the story cannot be repeated so for example the player start playing ...
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1answer
31 views

LibGDX ShapeRenderer rotated

I'm having a weird problem with the LibGDX ShapeRenderer where it draws everything rotated. Here are some images to show you what i mean: This is what it looks like in Tiled(Map Editor): This is ...
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1answer
32 views

Setting bounds to a label in libgdx

textStyle = new LabelStyle(); textStyle.font = font; textStyle.fontColor=Color.GREEN; EnterTextCasheir= new Label("",textStyle); EnterTextCasheir.setBounds(AssetsHelper.convertWidth(158), ...
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2answers
48 views

Using libraries in libgdx

This is the first time I'm using libgdx and I've got one problem. I am confused by the web of dependencies and the number of projects and I'm not sure how and mostly where to add a third party library ...
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1answer
200 views

libgdx ActorGestureListener.pan() parameters not moving actor in smooth line

I override the pan method in ActorGestureListener to implement dragging actors in libgdx (scene2d). When I move individual pieces on a board they move smoothly, but when moving the whole board, the ...
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1answer
86 views

How to keep track of previous scenes and return to them in libgdx

I have three scenes: SceneTitle, SceneMenu, SceneLoad. (The difference between the title scene and the menu scene is that the title scene is what you see when you first turn on the game, and the menu ...
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1answer
97 views

Yet another libGDX resolution independance question

I am developping a Android smartphone game in LibGDX, and I am encountering issues about resolution managing. Most notably, I have no clue how to handle that in LibGDX. For now, I am developping ...
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0answers
26 views

LibGDX ImageButton resizeing

How can I resize ImageButton ? It show very big on screen . How I know it is an Actor and it is not resizing automatically . I can`t find the method for resizing it. Any ideas?
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2answers
108 views

libgdx - handling battery warning

I want to pause my game when the battery warning on Android pops up. How do I do this? I have a method that pauses the game but how do I call it when the battery warning pops up?
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1answer
80 views

Touchable Hud with Actors in Libgdx

I am writing a Tower Defense for Android. Right now my LevelScreen contains a Background-Actor which is pan-able and some zones to buy Towers - after buying them you can upgrade them further. When you ...
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2answers
439 views

How to get width and height from a body in box2d?

I am working on a game in Libgdx framework. I have to get width and height from a body in box2d. is their any way to get width an d height from a body in box2d??
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1answer
44 views

Timer.schedule(task, 0, 100) never fires

I added some code using java.util.Timer to execute my spawnMonster function every 100ms. It worked, until I tried instantiating images in it -- since it doesn't run on the libGDX core thread, there's ...
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39 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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1answer
2k views

Create apk from libgdx project

What is the basic procedure to create the signed apk for my libGDX project? I am new to libGDX so provide some guidance. I am talking about deploying apk to the Android market. I have to ask this ...
2
votes
1answer
648 views

Libgdx import bin/xml/json from physics editor

I'm using Libgdx. I did a simple json file in Physics Body Editor and I don't have any idea how could I import it into my physic world in libgdx. Any idea will be appreciated. P.S: Sorry if there ...
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1answer
164 views

Matrix rotation wrong orientation LibGDX

I'm having a problem with matrix rotation in libgdx. I rotate it using the method matrix.rotate(Vector3 axis, float angle) but the rotation happens in the model orientation and I need it happens in ...
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5answers
146 views

Infinite Jumper Snow Effect

I wish to achieve a snowing effect on my game. The game is made in LibGDX and im using ParticleEmitter. I created a snow effect in ParticleEditor which consists in a line which spawns snow flakes. The ...
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1answer
58 views

Sprite draw-order in libgdx

From other frameworks I know methods for easy ordering sprites within a spritebatch (to determine if a sprite has to be drawn in front or behind another sprite). For example in MonoGame/XNA this is ...
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1answer
48 views

How does super.render() call this method?

Today I was experimenting with adding different screens with Scene2d in libgdx and while doing so I became confused how super.render() in my render() method from my starter class (MyGdxGame) called ...
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1answer
129 views

How to follow object on CatmullRomSplines at constant speed (e.g. train and train carriage)?

I have a CatmullRomSpline, and using the very good example at https://github.com/libgdx/libgdx/wiki/Path-interface-%26-Splines I have my object moving at an even pace over the spline. Using a simple ...