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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[LibGdx]Moving a fixture on a body

I'm working with Box2D and I have a basic platform and a box bounces off of it. // Static Platform bdef.position.set(160 / PPM, 120 / PPM); bdef.type = BodyType.StaticBody; Body b = ...
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68 views

Incorrect click event when resize on libGdx

I want to use scene2D, in libGDX, to detect click on object. I have this simple Game sample : Stage stage; @Override public void create() { this.stage = new Stage(1280, 720, true); ...
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44 views

Gdx.graphics.getDeltaTime(); Returns 0

I am coding a game in Java using Eclipse and Libgdx. I am trying to make an object move until it reaches a certain random point. I am relying on delta time to make the objects speed the same on ...
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1answer
410 views

Communication between Box2D and libGDX Stage (Scene2D) running in separate threads

I'm making a physics based 2D game using libGDX and Box2D. I want to move the execution of the simulation out of render thread. I use immutable messages and the BlockingQueue to pass the information ...
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2answers
123 views

Implementing Mouse Lasso

I am toying around with a Boogaloopers clone (http://www.youtube.com/watch?v=zuaRi_fhdlQ). I have a small problem with the lassoing. Here's my current naive algorithm. The problem with this is that ...
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28 views

Libgdx project “Not Responding” when in debug mode

So the problem I am encountering is that whenever I attempt to debug my Libgdx desktop project and Android project the "app" is constantly "frozen" or "Non responding." By this I mean that I cannot ...
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1answer
56 views

Box2DLights - the center of sprites are always 100% unlit (black) unless Xray is on

I'm using a ConeLight at 180 degrees, with this setup: pl = new ConeLight(rayHandler, 256, new Color(0.5f, 0.5f, 0.5f, 1f), 280f, 400 - x, 300 - y, 0, 180); And the object I'm casting a shadow on ...
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13 views

LibGDX: Its there any way to calculate the speed of a repeated scrolling background?

I'm trying to calculate the scrolling speed of an background, I'm doing something like this on the background class: private Texture texture = new Texture(Gdx.files.internal("backgound.png")); ...
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1answer
66 views

Rotating a vector around a vector in 3D space

I am trying to rotate a moon around a planet (the planet is also rotating around an axis) but I am having trouble doing so. I tried to make the model move through space like so: @Override public ...
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32 views

Google Play Game Services - Handling messages via p2p, host or no host?

I am developing a real time multiplayer game using Google Play Game Services. The underlying networking is done via P2P. Everything I read says I should still have a game host that sends out all the ...
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3k views

LibGDX - Check if currently on Android/Desktop

I'm using LibGDX and flixel-android to build a Desktop/Android game. It feels like there should be a way of checking to see if you're currently being run on an Android device, the Desktop, and so on, ...
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38 views

Graphical Designer for creating in game objects

I am creating a 2D endless scrolling game . The game needs to have a repetitive object , say a building with random width and height . But the basic color and features like window shape of the ...
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1answer
47 views

libgdx custom shape overlap detecting

I'm writing my game on libgdx w/o any of those extensions like box2d and whatsoever. But right now I'm forcing problem with overlapping detection. I need to detect if bullet (which is always in ...
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1answer
54 views

How can I increase text using scale and keep the text smooth in libgdx?

I found that I can use DistanceFieldShader from here and found an example but I couldn't make it work. First my whole screen becomes white, all the other actors that I have on screen disappears. ...
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60 views

Using Tiled (tile maps) for creating just parts of the game

I am creating an endless scrolling 2D orthogonal side scrolling game. But I am having an issue : In my game I want certain buildings to be there of random widths and height. Now the buildings are not ...
3
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1answer
191 views

“Pixel-perfect” camera positioning in 2d game

I am writing a 2d game using LibGDX. The view to the game world is top-down. The game shows a grid of lines, which looks nice when the camera is at its initial position (0,0). The problem is now that ...
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28 views

Only 1 character prints in LibGDX

I'm creating a simple menu in LibGDX and following a Stage/Table approach. I have a header, and a TextButton. Both have some text to them, but both only show 1 character. For example, the header ...
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801 views

Dependency setup between libGDX projects in Eclipse IDE

For my game I'd like to create another project that extends the functionality of libGDX and since it will be an independent project it could be easily reusable. How can I achieve this in Eclipse IDE? ...
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1answer
149 views

If I convert my LibGDX game to an exe, is it legal?

I have a LibGDX jar file, and I want to have it as an EXE. Would that be legal? (Using launch4j) Also, how do I obfuscate a LibGDX game?
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53 views

Is Table the only layout that I can use in libgdx?

I'm looking for the common way to handle the layout in libgdx. I searched google and found only table layout. Meanwhile I don't use any layout and just insert coordination into each visual object but ...
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1answer
77 views

The sprite will not move in libGDX

When I ran the android application, The sprite image will not move when I press the input keys. I followed a tutorial based on input keys and wish to know what's wrong. Can anyone see what's wrong? ...
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20 views

Correctly identifying a Fixture from an extended class in Box2D's ContactListener

Sorry for the confusing title, I dont know how to resume it that much. Im making a game, and I have a simple class Mob which is extended by Warrior and Enemy. A Mob has a Body, and that body usually ...
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2answers
149 views

How to make a smooth circuit path in Universal tween engine?

I tried to make a circuit by starting at point A, with waypoints B and C and final target at A again, and infinite repeats. What happens is that the path from A to B, B to C is smoothed, but path C to ...
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1answer
56 views

Bodies going through the walls of a box

I have a game where the user controls a box to collect falling balls. However, very often the balls will just fall through the walls of the box and be flung away. What could be causing the balls to do ...
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94 views

Slick2D v LibGDX: [closed]

Okay. You might have seen some of these posts on forums here and there, but I wanted to ask this here mainly because everyone here is focused on game-dev and there seems to be quite a few Java ...
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9 views

swapActor not movings the actors

I'm trying to use myTable.swapActor(Actor a,Actor b). It does return true, so it should swap the items, however, nothing's moving. Is there something I've not seen in what the function really does? ...
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1answer
48 views

neon effect to textures libgdx [duplicate]

I am working on a live wallpaper with Libgdx . I am wondering if I can give neon glow to my textures , at runtime . Is this possible? If yes can anybody give me any pointers?
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45 views

Sprites on scrolling tmx map (LibGDX)

I have .tmx map loaded, and a camera to see it. The map is bigger than the camera viewport, so I need to move that viewport scrolling the camera. Now I want to draw a sprite on the map. To do that, at ...
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2answers
131 views

How do i make collision detection more effective?

In the game i am developing, there are 220 circles that are not moving. One of the circles is moving and in every update, it iterates through an ArrayList that contains all the circles and check if it ...
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2answers
67 views

How do i initialize and use a Texture Array? LibGDX

First of all, I am new to Java and LibGDX.. What I am trying to do is Load my texture images into an array so that I can reference them in my drawing code by number, rather than by name. I am drawing ...
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2answers
224 views

Can I sell games made with LibGdx on Steam

my question is pretty self-explanatory, there is any technical or legal issue in selling libgdx games on steam? EDIT It is possible to show some kind of evidence, maybe a exemple of a game that is ...
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48 views

Does the Xbox One controller is supported by libGDX?

I just bought a Xbox one controller and i'd like to test my game with. I use the Controllers extension from libGDX and it works fine, at least with my PS3 controller. Indeed, i got some weird results ...
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113 views

Why are my Box2D wheels slipping on ground?

I have a car, set up in Box2D as a rectangle connected with two wheels using WheelJoints: The wheels are defined as follows: FixtureDef wheelFixtureDef = new FixtureDef(); ...
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1answer
88 views

LibGDX drawing map using tiles without space

I am making a board game. To draw the map on the board I use different tiles. On some screen the map looks good but on some other screens there is a space between the tiles. How can I do so there ...
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1answer
37 views

LibGDX Z index for groups

Have three groups, A, B and C. Let B and C be children of A. Now set B.setZIndex(3) C.setZIndex(2) Why is C drawn over B, if B has a greater Z index? If you do this: C.setZIndex(2) ...
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61 views

LibGdx Triangle Collision

I'm back with another question. I'm trying to get a collision between an actor and a sprite. With the actor, which only moves upwards and downwards, I've got no problem since it's shape is a ...
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1answer
99 views

LibGDX Box2DLights shadow offset problem on bodies

Hello I just started to use LibGDX, and it's awesome. I looked at the Box2DLights library, and started to learn how the lighting work here. I got something up: As you can see, it works, but the ...
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1answer
115 views

If filled polygon cannot be drawn via libgdx ShapeRenderer , then what is the work around?

I know most of you would suggest me to draw a filled polygon by using combination of triangles and rectangles , but that is not possible for complex shapes . I want to basically draw a generic shape ...
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2answers
122 views

LibGDX - draw bullet physics bounding box

I am very new to game development and I am trying to debug my 3d collision bounds. Could somebody give me an example on how to draw the collision bounds of an object in libGDX? I assume it has ...
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1answer
44 views

Cannot Efficiently Loop SequenceAction

Why doesn't this work and how do I fix it/create a different, working loop for this SequenceAction? public void setLoopingFade(float time) { fadeLoop = Actions.sequence(Actions.fadeOut(time), ...
2
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1answer
203 views

How do I efficiently collide and match groups of coloured circles?

I am new to game programming and working on clone of this game in libgdx. The game has some static balls and one ball that moves. I want to check if the moving ball collides with any static ones, but ...
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1answer
39 views

Master sound volume in LibGDX

I have been searching everywhere for master volume for sound and music in LibGDX but to no avail. Can anyone tell me if it is implemented somewhere or do i need to implement such functionality myself? ...
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1answer
98 views

TiledMap not drawing completely [closed]

While attempting to constrain camera scrolling to within the TiledMap I discovered that it seems the renderer for the map is not drawing the entire map. The map is 1600x960px so one would assume the ...
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0answers
43 views

LibGdx how to get touched point in differente screen resolution

I'm developing a game actually on phone and tablet. In libgdx I found that using camera.unproject api with vector3 can get the relative coordinate for differente screen resolution however I doesn't ...
0
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1answer
81 views

Array of map data

I'm looking for your thoughts on the best way to store map data. I need to store data for territory ownership for each pixel on the map. The data for each pixel is as such: Player 1 points: 24 ...
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2answers
59 views

LibGDX Images not loading

Now my Image isn't loading to the screen. I tried to be decorative with the code but since it isn't working I made it just like the video I'm whatching. I don't get any exceptions, but the image ...
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40 views

Experiencing weird effects with framebuffer [closed]

So I am trying to build a working flashlight in my game. I am using libgdx and the framebuffer class but there are some weird effects that I am experiencing and that may be due to my lack of ...
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3answers
683 views

LibGDX Android version

I am trying to use the LibGDX UI Project creator to create LibGDX projects, but it doesn't allow me to choose the Andorid version for the project. This is a problem for some android features. For ...
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1answer
4k views

LibGDX Box2D Body and Sprite AND DebugRenderer out of sync

I am having a couple issues with Box2D bodies. I have a GameObject holding a Sprite and Body. I use a ShapeRenderer to draw an outline of the Body's and Sprite's bounding boxes. I also added a ...
2
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1answer
78 views

How can I use imprecise accelerometer data for controls?

I want to rotate an object with respect to the phone's position. I use the accelerometer output to detect orientation: float roll = Gdx.input.getRoll(); float pitch = Gdx.input.getPitch(); float ...