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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2answers
57 views

libgdx tiledmap rendering optimazation [closed]

I'm new to game development can anyone show me how to render tiles which were only seen by the camera I cant seem to find straight answer in google. The game is in 2D and im using tiled
2
votes
1answer
82 views

Referencing individual cells of a tilemap and changing texture

I have a tilemap and am trying to proceduraly generate islands on it by changing the texture of the tiles and marking it as land ( I want to do this without texture atlas for now). How do you change ...
0
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0answers
57 views

SpriteBatch draw does not work on iOS - LibGdx

I have a small problem , in practice if I batch.draw ( ... ) ; It does not work on iOS with robovm . my code.: on the crete() method: texture = new Texture(Gdx.files.internal("background.jpg")); ...
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0answers
22 views

Does Overlap2d have frustum culling

I'am wondering if Overlap2d has a own frustum culling or do I have to implement my own?
2
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1answer
91 views

Libgdx how to add popup interaction

I am looking for someone to point me in the right direction. I am working in libgdx. I have a game where a player will approach an object on a map and then interact with it. On interaction a new ...
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0answers
29 views

Libgdx HexagonalTiledMapRenderer

How does the hexagonal tiled map renderer work in libgdx I'm trying to render a hexagonal tiled map and I can't quite get it to display correctly I've used the orthogonal tiled map renderer before and ...
4
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3answers
3k views

Bitmap Font Displays in Center Always Without Coding it Manually (Fix Coordinate Problem onText)

Is there a way on how to stay the texts in center without manually coding it or something, especially when making an update? I'm making a display for the highest score. Let's say that the score is 9. ...
1
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0answers
380 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 ...
1
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1answer
68 views

Scoping my first project [closed]

So I'm writing my first game which is a RTS and one of my main ideas for it is multiplayer deception however I'm finding it hard to control the scope of my project. Yes im thinking pretty small but ...
1
vote
2answers
186 views

LibGDX Deployment questions

A few questions from LibGDX newbie: How do you deploy a Mac/Windows app? If Mac app, can this be deployed to Mac App Store? Do you need to pay monthly (for RoboVM) for iOS development/deployment? ...
3
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1answer
195 views

LibGdx 2d Free-Form Terrain

I have a query about how to create a 2d landscape level using libgdx/ box2d (Or possibly with Unity) for Android and iOs. Let me describe the goal and then the specific points I need help with. What ...
2
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0answers
38 views

libGDX AppWarp integration problem

I have tried to use up AppWarp's old SuperJumper as a sample to create an up to date project from it with Gradle. Maybe it is good for learning. So, I have downloaded project from GitHub(https://...
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0answers
111 views

Overlap2d + LibGdx load large map

I've been wondering if it's possible to load a large map made with Overlap2d before I get started with my project. A large map for me is something equivalent to a map from recent open-world RPGs like ...
1
vote
0answers
61 views

Libgdx box2d - what is the best approach to spawn an actor on a stage dynamically?

I'm currently building a 2d sprite infinite runner game, but everytime I spawn new enemy(actor) and platform, I noticed that there's a delay on it. Any idea of what would cause this behavior? I'm ...
1
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0answers
25 views

LibGDX: Box2d hovering, rotating body

Hello I am working on a hovering triangle (equilateral triangle). The triangle should allways rotate at a constant speed and hover over the ground. The problem is if I setAngularVelocity it does rise ...
1
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2answers
5k views

Textures quality issues with Libgdx

I have drawn several vector objets and characters ( in Adobe Illustrator ) for my game on Android. They are all scalable at any size without any quality losses ( of course it's vector ^^ ). I have ...
5
votes
5answers
20k views

How do I destroy a Box2D body on contact without getting an IsLocked assertion error?

I get this error when attempting to remove a body from the world: java: /var/lib/hudson/jobs/libgdx/workspace/trunk/gdx/jni/Box2D/Dynamics/b2World.cpp:134: void b2World::DestroyBody(b2Body*): ...
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vote
6answers
3k views

Errors happen when using World.destroyBody( Body body )

on Android application using libgdx, when I use World.destroyBody( Body body ) method, once in a while the application suddenly shuts down. Is there some setting I need to do with body collision or ...
1
vote
0answers
75 views

Unable to load Blender animation into libgdx

I am trying to load an blender animation into libGDX for an android app. So I created an animation using Blenders action editor, I exported this into .fbx format. I then ran the fbx-conv tool to ...
2
votes
1answer
61 views

Libgdx : surround sound

in libgdx there is a lot of audio classes but i haven't seem to of found anything relating to balancing sound in one speaker and or the other to get surround sound say you check if an object is more ...
3
votes
1answer
200 views

Shaperenderer circle line width

Is there any way to increase the width of the line that makes up the shaperenderers circle? shape.begin(ShapeRenderer.ShapeType.Line); shape.setProjectionMatrix(batch.getProjectionMatrix()); shape....
2
votes
0answers
17 views

Eliminate an Actor dragged outside SlotTarget

As the title suggests, i would like to eliminate an Actor from the Stage when the player moves it outside my SourceTarget. The default behavior of DragAndDrop class doesn't allow to drag an Actor on a ...
2
votes
1answer
75 views

Changing the direction of a particle in libgdx java

I have a particle the explodes upwards. This would work the way I want if the particle always hit the ground. However I want the particle to explode at a -90 degree angle if it hits a wall from the ...
0
votes
1answer
119 views

Crash when setting a new screen

In my almost finished game I want to set a new screen on game over. I got my game over method: private void gameOver(Label score) { for (Body body : worldBodies) { world.destroyBody(...
1
vote
1answer
63 views

Getting an object to shoot directly towards click libgdx java

I am trying to get my player to shoot a spell and it travels to where ever the player clicked. I can easily accomplish this by doing the following. if(position.x >= destination.x - 1 &&...
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0answers
164 views

UE4 or Unity or Libgdx for VR project using Oculus rift and Novint falcon

I've to make a multiplayer game Air Hcokey using 2 Oculus rift and 2 novint falcon controllers , I know that these 3 engines support the Oculus Rift but have no Idea if they do support the Novint ...
1
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1answer
107 views

Libgdx with Scala: Overwrite listener

I try to learn Scala the fun way, with a little libgdx project. Now I'm somewhat stuck: val go = new TextButton("Go", style) go.addListener(new ClickListener() { override def isPressed() : ...
6
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1answer
2k views

How to draw table border in libgdx?

I'm new to libgdx and I'm currently working on TableLayout and wondering how could I draw borders for each cells. I've done some research on this but it seems that I could come up with this solution ...
1
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1answer
92 views

LibGDX Headless System.in

I started developing a little multiplayer game with LibGDX and Kryonet. I'm also using the headless backend for the server. So far everything went well, but now I'd like to create a command-line ...
2
votes
1answer
46 views

Libgdx - Viewport for Tetris-style game [duplicate]

I'm a beginner in libgdx, and I'm trying to create my first game. It's pretty simple, circles are falling from the top and sides of the screen, and the user needs to "blow" them before they touch the ...
0
votes
1answer
64 views

libgdx automove Actor does not work

I am trying to make my sprite start moving from the moment it is created and do its animation. It draws on the screen right and animates but doesn't move. It should start moving towards the direction ...
1
vote
2answers
37 views

applyForce as long as display is pressed

In my project I have my main character body. I want it to move down on the y-axis as long as the screen is pressed. I tried it with public boolean touchUp(int screenX, int screenY, int pointer, int ...
1
vote
1answer
85 views

How to handle complex input

In my Libgdx project i need to handle several types of inputs. In particular these input events are needed in order to interact with the Actors that the user puts in the Stage. The possible ...
1
vote
2answers
997 views

LibGDX , Scale button with animation when it is pressed

I am developing game using LibGDX . I want to create beautiful menu and to scale buttons when they are pressed but not in this way , when it is pressed scale it 1.5f , I want to scale it with ...
7
votes
3answers
633 views

Java and Steam JVM deployment

I am currently considering my options for game development and deploying to Steam Greenlight. I really like Java with libGDX, especially for its cross platform Android potential, and I understand that ...
2
votes
2answers
147 views

Rows of coins in libgdx?

I have my coin image in the assetLoader class, then I import it into gameWorld. My question is, how can I draw() rows of coins without having to write out 15 different coins? i.e., coin1, coin2, ...
2
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0answers
62 views

Get a body from TiledMap via MapBodyBuilder and draw a sprite on it in LibGDX?

I use a various of MapBodyBuilder in my Libgdx project. I created a body from map.tmx via my MapBodyBuilder and in my SpriteBuilder buildSprite method i created its sprite: sprite = new Sprite(atlas....
2
votes
0answers
64 views

Scene2d cyrillic font

I'm trying to use cyrillic(Russian) letters in libgdx Scene2d. I drop default.fnt and default_0.png (generated with BMfont) into folder assets of my Android project (other files such as uiskin.atlas,...
5
votes
1answer
170 views

How do I implement tilt controls that work even when the device is not vertical?

I'm using libGDX to develop an Android game. The main character can be moved freely in the 2d plane by tilting the phone. The relevant part of my current implementation looks somewhat like this: ...
3
votes
1answer
373 views

Steering behaviours: collision avoidance with rectangles

I'm trying to implement collision avoidance steering behaviour using rectangles. Most of the tutorials I've found are with circles, and there's a substantial difference. For example, I've been reading ...
1
vote
0answers
65 views

How to disable static friction in Box2D?

I'm making a 2D platformer. One of the issues is that when the character hits the ground, there's an initial pause and then the character finally slows down to a halt. I believe the initial pause is ...
5
votes
1answer
2k views

How to create groups in libGdx?

Can any of you please demonstrate a simple example on how to use groups in libGdx ? so if i move the parent, then all the children will move with it and same goes for rotation and scaling. I looked ...
1
vote
0answers
85 views

Getting screen coordinates of actor

I'm trying to tell if an actor exists at a screen position so I can do something if the actor is clicked on. To do this, I first need to get the screen coordinates of the actor so I can compare it to ...
0
votes
1answer
946 views

Tiled object layer draw sprites

I added some tiles to some object layers in my tiled map and now I want to draw them in game. I tried to render everything with mapRender.render(); but the tiles doesn't show up. Then I tried to ...
0
votes
2answers
78 views

score displaying system without using bitmap [closed]

how to make a score displaying system without using bitmap in libgdx. I making a fluppy bird remake somone can explaim me in details?
1
vote
3answers
48 views

undo touchdown in LibGDX with scene2D

i'm making a game in libgdx and i have a question. I have a Button from scene2d. If there is a touchDown event on this button, i want the touchUp event only inside my button. Now if i touchDown a ...
2
votes
2answers
196 views

libGDX Error loading font file - Netbeans

I'm trying to load a font in libGDX. But I can't figure out want I do wrong. Code: white = new BitmapFont(Gdx.files.internal("fonts/white.font"), false); Error: Exception in thread "LWJGL ...
2
votes
2answers
84 views

How to stop Follow Path steering behavior when reached target?

I'm using libgdx Follow Path Steering Behavior in my top-down game. When unit reaches the end of the path, it goes to the start (not directly, but following path), then to the end and so on. How to ...
6
votes
1answer
136 views

How do I set an object's speed to arrive in X seconds?

I want to move an object to a point in the game world, I have the distance value which is far the player should move. I want to complete the movement in X seconds. I have tried many equations and ...
1
vote
1answer
139 views

Error in projecting coordinates from FitViewport to screen in LibGDX

i'm using a FitViewport to render my "game world". Viewport virtual dimensions are fixed 400x240. I use viewport.unproject method to scale input touches from screen coordinates to world coordinates, ...