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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2
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2answers
159 views

Android libGDX FreeTypeFontGenerator exception

I am working on a libGDX project for Android. Since I added the following code, running the game on my Android phone produces an exception: final FreeTypeFontGenerator generator = new ...
0
votes
1answer
90 views

TiledMap problem in android device (LIBGDX)

I'm a noob on programming java apps, and I'm trying to make a very simple platformer game. All is running very well on desktop project, but, when I put the game on my Xperia a "strage" thing happen......
0
votes
1answer
59 views

How to apply Buoyant force to a Box2d body?

I have been following a formula to calculate the buoyant force needed to apply to a dynamic body to be able to simulate water. Fb = ρgV Fb - is the buoyant force ρ - density of the liquid g - ...
1
vote
1answer
556 views

Handling Back Button in Android without implementing InputProcessor

Please advice/clarifyon below issue in libgdx while handling back button in Screens. I have already gone through these 2 threads, http://stackoverflow.com/questions/7223723/in-libgdx-how-do-i-get-...
0
votes
1answer
65 views

Switching Screens without initializing them every time

I have a UI with four Screens (all extending a "main Screen") that users switch between very frequently, at the moment I am switching Screens using g.setScreen(new screen);, but this leads to the ...
2
votes
2answers
181 views

create ipa without RoboVM in a project libgdx

I am creating an application with libgdx , and I wish I could produce an IPA without using RoboVM , because since version 1.9 became a fee . I saw on the original documentation that you can do with ...
1
vote
1answer
115 views

LibGDX - How to export a texture as a .png onto, say, the desktop

I'm making a game in which I need to export a texture which the user has edited as a .png into a specified location. I'd like it if I could have the default saving window thing (like on other apps ...
-1
votes
0answers
18 views

Which editor is best overlap2d or tiled editor map for game design? [closed]

Recently I started working with libgdx.I want to know which editor is best for game design.I came across with these two editors(Overlap 2d,Tiled map editor).Which editor should I choose?What is the ...
0
votes
1answer
313 views

Libgdx texture bleeding in tile map

So I am making a game in Libgdx using an isometric tiled map but when I set the texture filtering of the tiles to linear, black lines show up between all the tiles. This is caused because each tile ...
1
vote
0answers
28 views

Different Box2D bodies act differently and unexpectedly with same mass

I have a box2d body which is simply a rectangle (the spaceship). This ship flies around, affected by the gravity of planets (static circle bodies) just fine. I have tried changing the ship fixture ...
0
votes
1answer
64 views

LibGDX: creating actor conformed by other actors

I am making my custom actor class, made up by 3 actors(oneProgressBar, one Label and one TextButton), because I will be using this many times, so it's not a good idea to create 3 of that actors when I ...
1
vote
1answer
59 views

Problems managing collision filtering

I have my character fixture and body(is a tank), so when I press the screen it throws a rocket(which also has a body and a fixture) that the player can controlll touching the screen. My game also has ...
0
votes
1answer
137 views

Creating puzzle on libGDX

Good afternoon. Help me please to add the code for the game. This game is puzzle. Everything works good, but I would like to have not just ordinary puzzles with numbers, but also the puzzle with a ...
1
vote
1answer
40 views

Libgdx black rectangles problem

I'm working on a game for Android using Android Studio with LibGDX in Java. I recently found a weird problem when closing and reopening the game. When I first open the game, it works fine. If I click ...
3
votes
2answers
201 views

Libgdx Android app: Avoid fullscreen and show titlebar

I am developing an app using Libgdx and I don't want the app to go fullscreen and want to show the title bar but the app goes to fullscreen and hides title bar despite all efforts. Here is my style....
0
votes
1answer
50 views

libgdx sphere rotation after movement

I'm moving my sphere on the screen using this method: Matrix4 m = myBall.body.getCenterOfMassTransform(); Vector3 translation = new Vector3(); m.getTranslation(translation); float multiplier = delta ...
1
vote
1answer
97 views

LibBDX create a tail when the object is moved

I am looking for a way to implement in my game a kind of shadow/tail which will be displayed after the object is moved. Should I use animation? If yes how? Here an example:
3
votes
1answer
273 views

HTML/JS publish LibGDX

I want to publish an app created with libGDX (HTML/JS publishing). Here are the steps I am doing. Right Click on the Project -> Google -> Gwt Compile -> Compile. After the compilation there is no ....
1
vote
1answer
129 views

How to detect if two sprites are being touched at the same time?

I tried this: if(spr.getBoundingRectangles.contain(x,y)){ //do this } but how to detect if the other sprite is touched by the second pointer? Then I created two Vector3 for the pointer ...
1
vote
0answers
107 views

How to correctly implement 'layered lighting' with Box2D-Lights

How does one only allow Box2D-Lights to affect one and only one OrthographicCamera. After researching, I found the following answer. This answer goes into detail about how to prevent one camera from ...
0
votes
0answers
12 views

Setting useImmersiveMode to true makes a moving sprite blink in a LibGDX game

I'm developing a simple game where i have gravity and a body which jumps when i touch the screen and a sprite displaying in its position. All is good until i set useImmersiveMode to true on ...
0
votes
1answer
20 views

How to change the way LibGDX scales images?

I'm using FillViewport and OrthographicCamera. LibGDX is scaling my images rather badly - jagged edges, visible pixels. How can I change the scaling method? by the way, I'm pretty sure the issue isn'...
0
votes
1answer
19 views

Libgdx change the image inside table dynamically

I am trying to draw a HUD that shows the score and time and image like loading but I want to update and change the image when the score get higher but I tried to do that but it is not working. I ...
1
vote
1answer
864 views

Multiple enemy array in LibGDX

I am trying to make a multiple enemy array, where every 30 secods a new bullet comes from a random point. And if the bullet is clicked it should disapear and a pop like an explosion should appear. And ...
1
vote
2answers
43 views

Adding an InputListener to a Group

I'm trying to detect when a Group actor (my "slot") on my stage is clicked by add an InputerListener to the group. I've added the stage to my InputMultiplexer, but when I click on the actor, nothing ...
1
vote
1answer
128 views

Collision with player following mouse

I'm making a RPG with libGDX. I've loaded a TiledMap and now I'm implementing the player movement. The view is top-down. In my game I want two ways of input: one is using the ARROW keys to move the ...
0
votes
0answers
21 views

Hills / Rounded Terrain Generation in libGDX

I'm trying to make a game that has rounded 2D terrain like hills, etc. Im familiar with creating and rendering 2D Rectangles using the ShapeRenderer, but i need some "Get Started"-Help on how to ...
1
vote
1answer
26 views

LIBGDX font.draw() makes letters blink on PC

I load Bitmapfont then try to draw it, but on PC(desktop) build screen blinks with frequecy that I can judge that backbuffer is not drawn. On Android all is fine, I don't see blinking. I simply do ...
1
vote
1answer
24 views

LibGDx android : Show animation on button click

I am trying to create an application using libgdx where i need an animation to be played on pressing an image button, i've been able to achieve it using this code if(slapBossFlag==true) { ...
0
votes
0answers
26 views

How does game engine in language A and game logic in language B work? [duplicate]

What I'm trying to understand. A lot of games, Like Crea by Siege games and Viking Squad by Slick Entertainment. Uses of course an graphics library/engine for there game but one language ...
0
votes
1answer
31 views

Having trouble going from the menu I created w/ Android normally to my LibGDX game file

So I wanted to use Android Studio to create the menu for my game so I created a button with an onClick method that included the Intent i and startActivity(i) but when I clicked the button the app ...
0
votes
0answers
9 views

libgdx : starting animation disables imagebutton

I am playing an animation on clicking an imagebutton in android. Both the imagebutton and the Image for animation are actors on same stage. Animation plays perfectly, but the issue is after the ...
0
votes
1answer
183 views

libgdx - Math for wall collision when adding velocity

I've created a game which spawns a random colored ball in the top or bottom of the screen and moves to random direction with this method. private Vector2 position; private Vector2 velocity; private ...
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vote
0answers
6 views

Game freezing when i create a body Box2D Libgdx

I'm implementing a Worms game using libGDX and Box2D and I'm having a problem I didn't have until recently. When a player shoots, it creates a bullet body and applies a force to it. I have a step ...
0
votes
2answers
155 views

2D Platformer: add ability to jump on top of other character

I want to add ability to jump onto a head of other character/player, but still be able to go through them horizontally. There is one useful tutorial about one-way platforms, but that approach doesn't ...
34
votes
5answers
8k views

How can I give the illusion of height to a ball in 2D?

In 2D top down soccer games, sometimes a ball is given the illusion of being in the air, like below: How can I achieve this?
0
votes
0answers
7 views

Should I boost run task via disabling TexturePacker?

I decided to create textures with keeping in mind that the largest screen resolution that my game will be working with is 1920x1080. So, menu background texture in my game will be always 1920x1080. ...
4
votes
1answer
196 views

Ledge climb animation and movement (2d platformer)

Struggling to make a decision on the implementation of a ledge climb mechanic for a physics driven 2d platformer. What is the best way to go about this without it getting overly complex? So far I ...
0
votes
1answer
1k views

Box2D shape/fixture position vs. body position

I load my rectangular shapes from a simple Tiled level into libGDX and want to create a physics world out of it via Box2D and attach sprite assets for rendering. I get the tiled object layer and ...
2
votes
2answers
811 views

LibGDX - Rendering things in different classes

thanks for your time! I'm really new to LibGDX (and Java itself). Which approach should I use to render my different game parts? I want to show a background, the main character, a bunch of enemies ...
0
votes
2answers
304 views

Mouse coordinate conversion Libgdx

I have a camera: //Map is a my object that wrapper of TiledMap class In the create method: this.renderer=new OrthogonalTiledMapRenderer(this.map.getMap(); this.camera=new OrthographicCamera(); ...
0
votes
2answers
3k views

SpriteBatch being drawn outside of Stage?

Currently working on my first game, though running into some problems with libgx and screen aspect ratio. What I have is a Stage which contains things like menu buttons etc, and the rest of the game ...
0
votes
1answer
30 views

How can I have margins or padding around a texture in libgdx?

I am building a game using libgdx a 2048 like game and I draw the tiles of the board using textures (each texture represents a tile with the number 2 or 4 etc.) I would like tohave a small space ...
0
votes
1answer
103 views

Map coordinates to camera coordinates

I have a tiled map which is 3 times higher than camera. When I press on a tile, I want an actor on that tile to show up. This works if camera is not moved. If I move camera a little bit up, so the ...
4
votes
2answers
352 views

Smooth 1D terrain generation

So I'm pretty happy with my terrain, and the progress on my game. I just want to figure out why the terrain is so steep sometimes. Right now to generate my random seed I use this: seed = (long)(Math....
0
votes
1answer
26 views

Sprite update issue

I'm currently implementing Box2D with LIBGdx and i'm having issue on update, as you can see on this video : https://www.youtube.com/watch?v=D3Nph6yftTQ whenever my player move or the camera move the ...
1
vote
2answers
257 views

Accelerometer problems

When I hit an object, my Fighter is supposed to fall to the Ground. BUT, because of the Accelerometer, i can still move it up and down eventhough it died. The Scroller on the x-Axis though stops. ...
0
votes
1answer
197 views

LibGdx - How can I correctly handle tile transitions / connected textures?

So I am making a tiled game and I need to connect textures correctly based on whats next to it. With tiles that had connection really close to the edge of the tile I could just use the 4 bit meathod ...
0
votes
1answer
53 views

Vertically mirroring the screen in LibGDX

I'm developing a game in which the screen layout is different for right and lefty players, so i'll put a button in it to mirror the screen vertically. For displaying textures and fonts, i use a ...