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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4
votes
3answers
550 views

How do I change the relative origins of a Box2D World and a TiledMap in Libgdx?

I'm playing around with Box2D and TiledMaps and I've come across this minor annoyance. As you can see, both Box2D and TiledMap render at the center of the screen. This forces me to compensate by ...
0
votes
0answers
29 views

Parabolic throw with set Height and range (libgdx) [duplicate]

Currently i'm working on a minigame for android where you have a rotating ball in the center of the display which jumps when touched in the direction of his current angle. I'm simply using a gravity ...
-1
votes
1answer
333 views

LibGDX Json not parsing full file

I'm trying to load a World with different Objects (World Objects and Entities). For that, I want to use Json. For less than two elements this works like a charm. But as I add more elements, some ...
0
votes
0answers
112 views

LibGDX - How to move Actor with fingers Code?

I am completely new to Game Development. I See all these Questions and Answers and Codes and I have no clue what to do with them. I need some Guidance. My Plan: I want my Actor to move up and down, ...
0
votes
4answers
502 views

Accurate sprite rotation with mouse movement

I am using the current mouse position to aim the player sprite, but I am not getting the best results. It will often by off by a noticeable amount, or even a complete ~180 off if I go from one side, ...
1
vote
1answer
99 views

Does scaling affect performance in OpenGL? [closed]

I've never been able to understand the best practice in this context. I usually want to ship my game with as minimum size as possible. So whereever possible, I try to use scaling of my graphics. Let's ...
0
votes
1answer
368 views

Rendering tilemaps at a specific position libgdx

I'm making an endless side scroller game like gravity guy with libgdx. To test this I'm just creating two tiled maps with the same .tmx file to render then one after another, like: ...
1
vote
2answers
378 views

Unable to draw single particle effect at two places

I am using Libgdx ParticleEffect to draw a fire particle effect . The issue I have is that when I try to render a ParticleEffect at two different locations within single game loop, only the last ...
0
votes
2answers
641 views

How do I switch between the game screen and score screen without redrawing everything?

I'm working on a multiplayer game in Libgdx and want to display the scores of say, the top 10 players on the map. The player should be able to checking the scores at any point during the game and ...
0
votes
2answers
3k 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 ...
0
votes
0answers
120 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 ...
0
votes
0answers
74 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 ...
0
votes
1answer
131 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 ...
-1
votes
2answers
742 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: ...
2
votes
1answer
182 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, ...
0
votes
1answer
97 views

Which input event is suitable for this game? [closed]

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. ...
0
votes
1answer
134 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. ...
0
votes
0answers
59 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 ...
1
vote
0answers
193 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 ...
1
vote
0answers
1k 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 ...
-1
votes
3answers
186 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 ...
1
vote
1answer
390 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 ...
1
vote
1answer
922 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 ...
2
votes
3answers
2k 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 ...
0
votes
4answers
9k 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
votes
1answer
145 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 ...
0
votes
1answer
219 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 ...
0
votes
1answer
416 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), ...
1
vote
2answers
980 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 ...
0
votes
2answers
206 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?
2
votes
2answers
2k 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??
1
vote
1answer
920 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 ...
0
votes
0answers
184 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 ...
1
vote
1answer
3k 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
1k 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 ...
2
votes
5answers
370 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 ...
2
votes
1answer
792 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 ...
0
votes
1answer
132 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 ...
0
votes
0answers
208 views

How can I scale dialog text in libgdx?

This is what I have and in this case for some reason only the back to menu button is scaled... public class GameOverWindow extends Dialog { private BitmapFontShader bitmapFontShader; ...
0
votes
0answers
79 views

[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 = ...
1
vote
0answers
166 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); ...
3
votes
2answers
148 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 ...
0
votes
0answers
89 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 ...
1
vote
1answer
152 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 ...
0
votes
1answer
119 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 ...
11
votes
2answers
4k 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, ...
0
votes
0answers
81 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 ...
0
votes
1answer
601 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 ...
0
votes
1answer
434 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. ...
0
votes
0answers
90 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 ...