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 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
95 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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1answer
89 views

Does libGDX support the Xbox One controller?

I just bought a Xbox one controller and i'd like to test my game with it. I use the Controllers extension from libGDX and it works fine, at least with my PS3 controller. I get some weird results when ...
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307 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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1answer
53 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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2answers
122 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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0answers
78 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
191 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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1answer
47 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), ...
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1answer
134 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
205 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
44 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
79 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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0answers
54 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 ...
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1answer
99 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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1answer
85 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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3answers
160 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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2answers
70 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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1answer
90 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 ...
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1answer
55 views

Does LibGDX abstract OpenGL ES away or can I still use my OpenGL ES knowledge?

I've been learning OpenGL ES, and am now turning my attention to using LibGDX. My main concern with LibGDX is, if needed, will I be able to apply my OpenGL ES knowledge to something if needed and ...
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1answer
120 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
269 views

Problem to match font size to the screen resolution in libgdx

I'm having problems to show text on my game at same size on different screens, and I did a simple test. This test consists to show a text fitting at the screen, I want the text has the same size ...
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0answers
27 views

LibGDX mesh silhouettes

How could I find out the silhouette edges of a mesh in libgdx? More specifically, how could I produce shadow volume geometry using the Mesh class of libgdx?
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52 views

libgdx ScissorStack problem

Im making a user interface using libgdx I created a Window class & a Textfield class, that both use clipping. I use the ScissorStack class of libgdx for clipping. The Textfield is drawn inside ...
3
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1answer
94 views

How do you create a game overlay that makes the underlying graphics inactive?

I've created a simple game, and I drew a large rectangle in photoshop with faded edges that I want to use to overlay the game until the user presses "Begin" (on the overlay). The problem I'm currently ...
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29 views

InvocationTargetException caused by IllegalArgumentException due to trying to create a new OpenAL instance

So, after creating this class, (in this LINK) , I ran into a new problem, I recieved an InvocationTargetException, which is generally caused when a method is invoked and an exception is created when ...
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63 views

How to open another class by clicking on a button on libgdx?

I have a question about libGdx. I am making my own game, I have already made a splash screen and a main menu. I have made a button "Play" in my menu but I can't link it to my main game. however, I can ...
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2answers
163 views

Act on Right Mouse Button click on Button

I want to be able to listen for a right mouse click onto a TextButton. Is this possible without removing the default ClickListener of the TextButton? If yes, how? Or should I use a different listener? ...
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1answer
116 views

Restarting a libGDX game to apply changes to resolution

How can I restart a LibGDX game to apply certain changes to the game such as changes to the resolution (going from 1920X1080 to 1280X720), or changing full screen. Granted the resize(int width, int ...
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1answer
133 views

Centering a textbutton in a table libGDX

I have a few Tables spread across a Stage, now I have a problem. In one table, all the TextButtons are centered, while in a different one they aren't, like this: Table 1 Table 2 XXXtextXXX ...
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39 views

scrolling texture in libgdx

I am making a game using libgdx I need to the space to go forever I have written code but it is not very effective take a look. Look at the code that I used to move the background but I want to use a ...
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1answer
76 views

Libgdx - Sprites disappearing [closed]

I'm facing a little problem and I have no idea to bypass it. I've made a dungeon generator and I'm able to spawn randomly mobs, the problem is that when they are not moving the game is fine, but at ...
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28 views

vertical lines on texture in libgdx

i am getting vertical lines on my texture even though i tried implementing texture filters,both linear and nearest and still i get the lines.how do i get rid of it? here is the code: package ...
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0answers
226 views

Libgdx - IsometricTiledMapRenderer and light shading

I am wondering if there is any way to simulate light shading in Libgdx using an IsometricTiledMapRenderer. Here is my code to draw an isometric map, it's able to be moved around with the mouse and ...
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0answers
52 views

Have button style not change when down

I'd like the button style to only change when it is checked and not change when it is pressed down, and/or have only the font color change. I'm using the built in Skin function with a .json file, ...
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0answers
66 views

Frame Buffer couldn't be constructed: incomplete attachment error on nexus 7

So I am running into an issue where I cannot load my game onto the nexus 7 because of the error stated previously. I read online that this is because the device can't use the Format class or something ...
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0answers
98 views

LibGDX scene2d button click not passing through to next input processor despite returning false

I currently have two input processors in my multiplexer, in the following order: Stage GameInput On the stage, I have an ImageButton with the up/down states set up correctly. Since the stage is ...
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1answer
105 views

Convert Screen coords to World Coords LIBGDX

I'm working on a tile based platformer game in libgdx. I'm having trouble getting the actual touch input coordinates when the aspect ratio of device is different from the virtual fixed aspect ratio ...
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2answers
78 views

Render character in bounding box

i'm rendering an attack animation with the following code: currentFrame = attackAnimation[3].getKeyFrame(stateTime, false); //3 : left, 2: right batch.draw(currentFrame, getX(), getY()); This ...
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0answers
113 views

ShapeRenderer is pixelated in libGDX

When I use a ShapeRenderer, it always comes out pixelated. But if I draw the shape in photoshop with the same dimensions, it's very smooth and clean-looking. My method is just as follows: package ...
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2answers
148 views

How to make an Actor follow my finger

I'm back with another question that may be really simple. I've a texture drawn on my spritebatch and I'm making it move up or down (y-axis only) with Libgdx's Input Handler: touchDown and touchUp. ...
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1answer
123 views

Dialog Title Does Not Fit

I successfully added my own font to the default .json file and it displays, however I get some weird sizing issues. Specifically when I try to create a Dialog. This is what it looks like: Ignore the ...
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vote
2answers
122 views

How to render rounded shape perfectly?

I'm having issues rendering rounded shape figures. I have a Texture with different images in it and I get this whale figure from it with TextureRegion but the stroke of it looks pixelated. The ...
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0answers
56 views

How to add a flashlight in libgdx?

So I want to add a flashlight to the game when the game starts to get darker which I already have working. I bound a light texture to the batch and the first problem is that for some reason the ...
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0answers
68 views

Hiero Font not working [closed]

For ease of use I decided I would use the Skin class to make buttons and text, and the like, rather than draw them myself. So I downloaded Hiero to package a .ttf font into a BitmapFont and it all ...
1
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1answer
87 views

Why isn't my background drawing to the screen?

Ok, So I have a game I have been working on for a few months now and I am now stumped beyond belief. My friend who has spent days working on this background gave it to me and I put it in my game. On ...
2
votes
1answer
200 views

LibGDX collision detection on moving and rotating object (rectangle enemy) [closed]

i am trying to get collision dectection working properly but when i do it, the collision area keeps moving. no matter what i tried. there are 2 objects and the objects are moving and i cannot get the ...
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1answer
114 views

“Couldn't load font” LibGDX

yesterday I started working om making custom sized fonts to my game, in game, using FreeTypeFaceGenerator, and yesterday it worked fine, except an exception I was going to handle today. When I loaded ...
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1answer
168 views

Libgdx Do a fixed rotation for orthographic camera

Im trying to rotate my orthographic camera in the render loop to a fixed angle, but I can only make the camera spin with the code I got: in the create OrthographicCamera camera = new ...
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0answers
58 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 ...