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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LibGDX simple button with image

I want to make two image buttons (play, restart) in my main menu screen but I dont know how to do it. I tried this: Texture playTexture = new Texture(...) Image playImage = new Image(playTexture) ...
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81 views

Compiling libgdx game to iOS with BugVM - it launches libgdx Hello World app instead of my game

I'm trying to use BugVM (which is just a free open-source fork of RoboVM) to compile my libgdx game to iOS, but when it launches in iPhone simulator, it's not my game but the libgdx "Hello World" app: ...
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159 views

Porting libgdx game to iOS using Multi-OS engine - how to add Admob ads

I want to port my libgdx game to iOS using Multi-OS (RoboVM is no longer available). I've searched whole internet but can't find any info about how to use Admob with Multi-OS engine on iOS. Every ...
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1answer
618 views

Random Sprite Speed

I followed the Rain Catcher tutorial from libGDX and I made some modifications to the code, allowing the rain drops to appear faster. But I cant figure out how to make the raindrops fall at random ...
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1answer
1k views

Errors on LibGDX tutorial [closed]

I get the following errors on the LibGDX tutorial "Simple App" Exception in thread "main" java.lang.UnsatisfiedLinkError: no gdx64 in java.library.path at java.lang.ClassLoader.loadLibrary(...
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2answers
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Where are all the tutorials for libGDX? [closed]

I've searched online for help and tutorials on LibGDX but I couldn't really find any, except and the wiki for asking questions on stackexchange. Besides the source (demos) and wiki, is there any other ...
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0answers
28 views

Splitting spritesheets and making the background transparent

Is there a quick way of splitting and removing the background of a spritesheet that's taken from the web? I'm fine with downloading software, using a website or making use of any commands that libGDX/...
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1answer
69 views

How do you create a funky moving background?

I'm trying to create something similar to what you would see if you loaded a song in Windows Media Player (the cool abstract background that moves and produces various colors). I have no idea how this ...
4
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1answer
154 views

RAM usage unusually high, but CPU usage relatively low

I've created a relatively simple game using libgdx, but the RAM usage when I start up the game on my Android device is roughly 600-700 mb, but the CPU usage is only about ~0.05%. I've downloaded a ...
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1answer
56 views

onHold input libGDX

I want to have onHold or onTouch input for my game. So as long as the user touches the screen something happens (a car moves) and when he stops touching the screen it stops. How do I do that? I want ...
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0answers
15 views

Actions.fadeOut doesn't work when called on stage root

I'm trying to fade out my screen when a button is pressed, but the following code doesn't work: public void switchScreen(final Game game, final Screen newScreen){ stage.getRoot().getColor().a ...
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2answers
60 views

LibGDX : Scene2D ScrollPane

I want to create a list of buttons with ScrollPane , but I cant create a ScrollPane . In the constructor method in the examples Skins are used (.atlas , .json files) but how to create these files? ...
3
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1answer
103 views

Custom Coloring of Tileset Characters

Games like Dwarft Fortress and Dungeon Crawl Stone Soup are drawing their boards using tiles from a tileset image (I think?). I know you can do color keying and replace the background color with ...
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2answers
709 views

Libgdx box2d crashing

im making a game in libgdx which i having a bunch of circle bodies floating around in space and when the player's body crashes into another body, that body deletes and creates two smaller bodies ...
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1answer
1k views

libgdx sprite position relative to body

Apologies if this is a reiteration, as I couldn't find another discussion of this over the past couple days. Issue: I'm using libgdx and box2d, and I'm currently updating the sprite's position to ...
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1answer
31 views

libgdx collision on moving Rectangle with other Rectangle

I'm making a soccer game where you touch the screen and the player shoot the ball to the touched position with the objective of scoring goals when it hits the goal. The player is just a Sprite and the ...
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0answers
17 views

Unable to rotate an Actor using an Action in libgdx; what am I doing wrong?

I use this to add a rotate action to my actor: theme_button = new ThemeButton(theme); theme_button.setPosition(300, 300); theme_button.setSize(300, 300); theme_button.setOrigin(theme_button.getWidth()...
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1answer
45 views

Shader only rendering 1/4th of the screen

I've asked the same question on SO here and they suggested I should ask here instead. I'm currently trying to create a gaussian blur shader, and while I've successfully created the blur effect my ...
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1answer
27 views

libgdx sprite placement

Im making a soccer game where you basically have to shoot the ball to the goal and the ball goes to where you touch the screen. Im having an issue with the ball though, when the ball spawns on the ...
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2answers
2k views

SQLite in libGDX

Does anyone have an example of how I can use SQLite in libGDX? I have a class in my original Android code that allowed me to easily access a database but I can't seem to find anything equivalent to ...
6
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1answer
189 views

How to detect collision only in non-transparent texture?

I am developing a game using libgdx. I am trying to detect the collision between bee and tube. I am using the following code to detect the collision. if(player.getBounds().overlaps(boundsBot)){ } ...
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0answers
151 views

Box2dMapObjectParser isometric map - bodies have wrong position and size

I'm using Box2dMapObjectParser to load Tiled objects layer onto my IsometricTiledMapRenderer'ed TiledMap. It works OK with a UnitScale of 1 but the position is wrong and some shapes have weird ...
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40 views

How to force libGDX to set display mode?

The following code represents my attempt to switch display modes. I've had to include the redundant setWindowedMode because without it, libGDX would not force the change required to reflect the ...
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3answers
3k views

LibGDX keep camera within bounds of TiledMap

I have a simple TiledMap which I can render fine. I have a player hopping (with Box2D) around and my camera follows the player around: cam.position.set( player.position().x * Game.PPM + Game....
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1answer
24 views

TiledMap renders but gets duplicated when I move the camera

I've created a map (TMX file) using Tiled, imported it and it shows great but when I move the camera, it duplicates itself and the whole screen flickers. In Tiled, I didn't use a spritesheet but ...
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14 views

Libdgx and Overlap2D export settings for Android

So I have a problem when exporting assets from Overlap2D to Android Studio project location. When setting up libgdx I set the project to be for desktop and android and selected Overlap2D extension. ...
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1answer
93 views

LibGDX How do I create a Shop? [closed]

My game is fully working but now I want to make a shop so that the player can buy boosts or other useful stuff for the money the player has collected. What is the best way of doing this kind of shops:...
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1answer
77 views

ScreenSize vs. WorldSize

While programming a game with LibGDX, I came across a problem. My OrthographicCamera wasn't centering in the right place. I was trying to center the camera by using the line of code: gameCam.position....
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2answers
620 views

Can't work with universal tween engine while having added it to gradle

I'm actually developing a game with libgdx and I'd like to create a splash screen. To do this, I must use the Universal Tween Engine. To add the Universal Tween Engine, I followed the instructions of ...
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3answers
102 views

How to scale bitmap font without having it pixelated

How do i increase the size of a bitmap font without having it get pixelated, in libgdx?
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0answers
6 views

LibGDX Child node is not following animation

So I'm trying to place a golf club as a child node of the hand of our "golfer", so it follows the animation the golfer has when the animation is invoked. However, once I hit "Check Swing" (the button ...
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1answer
69 views

Network interpolation wont work for local player

im currently developing a little duengon crawler. It should have lan multiplayer and it works great but i think im sending to much packets. Should i send packets over network, when a player moves in ...
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0answers
62 views

Libgdx stops all sounds when there are lots of sounds

I'm making a 2D game for Android using Android Studio with Libgdx in Java. I have a class, called SoundPlayer, which holds an ArrayMap. The key is the name of the sound file and the value is the sound ...
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64 views

How to update projectile trajectory point?

I am a new game developer, I am making a game, but I have a problem, I don't know how I can update my trajectory point in OnDraw method. Could anyone please help me? Thank you! Here is my code: ...
5
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2answers
621 views

Main game objects as static

I'm making a game for Android using Android Studio with Libgdx in Java. In my game there are main object like Screen, ObjectFactory, SoundPlayer, Painter (Responsible for drawing) and a few more. 'til ...
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0answers
31 views

TiledMap Safe Area for different screen resolutions

I'm creating a Tower Defense game using libGDX (w/ scene2d) and TiledMap. I've been reading extensively about viewports and how I can better manage various screen sizes. I want my Tiled Map to take ...
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1answer
50 views

Simplifying Object Factory

I'm making a game for Android using Libgdx with Android Studio in Java. In my game, I have a class called ObjectFactory which has a method createGameObject(int objectType) which receives an integer ...
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1answer
109 views

LibGDX - Rotating sprites and still keep the positioning between them

I've been struggling with a problem regarding rotations and relative positions between sprites (in this case, the sprites are just lines) - a bit off-topic, but should i be using the ShapeRenderer ...
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0answers
20 views

AdMob Banner appears 960x150 instead of 320x50 in libGdx - what's wrong here?

I am a bit helpless with this strange effect from AdMob. AdView is instanciated in code and so is the relative layout and libGdx view. View view = initializeForView(Engine.createEngine(G....
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0answers
37 views

Best way to create defence(withdraw) algorthim libgdx?

I have created user body and enemy body. Enemy body uses the steering behavior created by gdx AI. User body have it own control inputprocessor. World doesnt have gravity. Enemy body arrives the user ...
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0answers
9 views

libgdx - objects are drawn elongated when width and height are the same value

I don't use view ports but my camera is set to the screen width and height of the device. My objects are drawn longer(taller?) then they should be. I check my sprites and they are square not ...
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1answer
43 views

Collision Detection Unresponsiveness

I'm creating a simple jumper game in Libgdx that makes the player jump over obstacles in order to stay alive. The only problem is that the collision detection for when the player just touches the ...
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0answers
25 views

libgdx - Math reflection to the correct direction

I'm using a simple reflection system, but the game doesn't work how I want. How should this game work? The game has two boxes. A red side and a black side. The player should only sort the bombs to ...
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2answers
737 views

Libgdx using Box2d with TiledMap to create collision detection

I'm fairly new to Libgdx and have some good basic knowledge on Java. Right now I am stuck on how to add collision to my TiledMap, I am using the Mapeditor to create the tilemap. I read so many ...
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votes
1answer
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 ...
0
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1answer
46 views

Libgdx Sprite rotation around specific point

I made complex dynamic body that rotates around other body that is static. It works perfectly, however I got messed up with sprite position on that body. Here's what I have now and here's what I ...
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1answer
38 views

Libgdx shaperender within a circle as limitter

I encountered a problem, where my small entities would be rendered out of the bounds of my radar. At the time I solved it like this: ensure, that the object would be within the circle, but, that's ...
2
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2answers
912 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 ...
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0answers
52 views

Why is my tiled map moving when I move the camera in libGDX?

I use LibGDX. I have created a map with Tiled Map Editor and loaded it to the game. Everything else is working well, but when I move the camera, the map moves: it jumps or floats. My code: public ...
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1answer
52 views

LibGDX buttons bounds are wrong

I am making a simple gui in libgdx and run into this problem ; when you click on the button it's bounds (?) are wrong since if I click under it, the game registers it as a click. On the other end, ...