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 to draw a BitmapFont every user click

Im starting learning the libgdx framework and I want to "clone" some games. I know how to handle touch with if(Gdx.input.isTouched()) But how do I render new fonts every time user clicks on the ...
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2answers
235 views

LibGDX - Best way of scrolling background

I'm new to LibGDX and i'm trying to implement a screen where i have a guy running and the ground under him scrolling to give impression he is really running in a sidewalk for example. The ground ...
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2answers
174 views

libgdx texture edge blending problem

I have two completely white bitmaps here: They're there, trust me. When I put one on top of the other and scale them down with TextureFilter.Linear I get this: How do I get rid of the dark ...
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1answer
135 views

LibGDX Box2D Lights - Illuminate background

I have a box2D world made of tiles. I use a custom DirectionalLight for light up the scene from above (It shines through transparent blocks [eg.: the water] more deeply). The problem is (as expected), ...
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1answer
41 views

LibGDX - how to detect touchUp with GestureListener?

I'm making a game and I have implemented GestureListener as my inputprocessor. It came with a bunch of methods such as fling, pan, tap etc etc including touchDown. However, there is no touchUp method! ...
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15 views

Scene2D: Dialog show with animations Sequence is also applied to the Dimming Background

I have issues with the dimmed Stage background when showing a Scene2D Dialog with Action Sequence (animations). The problem is that the animations are also applied to the dimming background and the ...
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1answer
17 views

Can't give my pictures the right location in libGDX

I have this code here sb.draw(title, (PPlane.WIDTH / 2) - (title.getWidth() / 2), (float) (PPlane.HEIGHT / 10)); sb.draw(playBtn, (PPlane.WIDTH / 2) - (playBtn.getWidth() / 2), PPlane.HEIGHT / 2); ...
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3answers
350 views

LibGDX how to change animations

I have a Player Class and i have 3 different Animations for it. I can render them perfectly but i don't know how to change from one animation to another. For exmaple i have 3 animations, one for ...
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1answer
363 views

Lighting shadow casting sprites with box2Dlights

I currently have something like this using box2Dlights Ideally, I would like objects casting shadows to be lit, so the object is lit but there is still a shadow cast around it. Right now the object ...
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1answer
2k views

Two pass blur shader using libgdx tile map renderer

I am trying to apply the following technique: blur effect using two pass shader to my libgdx game using the OrthogonalTiledMapRenderer. The idea is to blur the background wich is also a tilemap but ...
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1answer
43 views

LibGDX, Box2D , Destroy body into parts [on hold]

I am developing a game using libGDX game engine and box2d physics engine. There are asteroids in my game, I want to destroy their bodies randomly and fill with texture. How can I do it?
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70 views

LibGDX - Tilemap Wall Collision Detection Issues

I cribbed some code from another web tutorial (SuperKoalio - https://github.com/libgdx/libgdx/blob/master/tests/gdx-tests/src/com/badlogic/gdx/tests/superkoalio/SuperKoalio.java) about detecting a ...
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2answers
1k views

libgdx actors and instant actions

I'm having trouble with actors and actions. I have a list of actors, they all have either no action, or 1 sequence action This sequence action has either : a couple of actions (some are instant, ...
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1answer
835 views

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone

libGDX using Stage and Actor produces different camera angles on desktop and Android Phone. Here are pictures demonstrating the problem: http://brandonyuh.minus.com/mFpdTSgN17VUq On the desktop ...
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1answer
259 views

Multiplying by delta not giving smooth movement

I started working on my first proper game but reached a problem straight away. In short I have a game that runs most of the time at 60 fps. ( I am using Libgdx a popular Java framework) but my game ...
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2answers
119 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 ...
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0answers
14 views

DynamicBody diving into StaticBody

In my game I want a DynamicBody to dive down into a StaticBody. I set up both bodies. At the moment they are colliding. How can I get my DynamicBody to dive down? Is it going to work with this ...
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1answer
17 views

libgdx(android) touchup triggers more than once?

I have a function I run inside the touchUp method but when I click with the mouse during emulation, it triggers my function multiple times. I don't think its an error with the called method itself ...
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2answers
244 views

get View from LibGDX for Android

I am making a LibGDX app, and I need to get the view to put to an Android app. Here is the code to get the view: package jangkoo.game.shadowfiend.android; import ...
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2answers
161 views

Why do my Box2D bodies occasionally get stuck and separate forcibly?

I'm making a space game with LibGDX and Box2D. I made a video here to illustrate the issue. Verbal description: When objects collide, they sometimes get stuck together and are then suddenly separated ...
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1answer
14 views

Polygons and actionlisteners Libgdx

I've been browsing these forums for a while now and I nearly always am able to find an answer without having to ask my own question! Such a great community! This is the first time I've been stumped ...
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1answer
41 views

Libgdx Admob how to hide ad on specific screen?

I've recently started learning Java for android development. My first game is almost ready to publish in Google Play, but I'm affraid that google might say that on the one screen, the ad may be ...
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1answer
27 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
18 views

LibGDX: How to detect remote button press for Android TV?

On Android TV, I need to be able to detect the remote control centre button to start the game. I tried: if (Gdx.input.justTouched() || Gdx.input.isKeyJustPressed(Input.Keys.SPACE) || ...
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1answer
121 views

Libgdx using Box2d with TiledMap to create collision detection

I'm fairly new to Libgdx and have some good basic knowledge on Java. Right now I am stuck on how to add collision to my TiledMap, I am using the Mapeditor to create the tilemap. I read so many ...
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0answers
17 views

Box2d Coordinate System

In the game I'm trying to code I got to have two bodies. One StaticBody and one DynamicBody. I want to have the DynamicBody on top of the StaticBody. Somehow all I get is this: Is it possible that ...
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2answers
362 views

How to setup libGDX project only for Android & iOS?

I have developed some applications on android.But now i want to learn game development in Android & iOS with libGDX. I want to only develop for Android & iPhone.I do not want a desktop ...
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1answer
25 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? ...
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1answer
58 views

Rendering Performance: num Draw Calls == num Texture Bindings

I'm making a game with Libgdx 1.6.4 and experience some lag issues on iPhone 4 and then discovered: // in the constructor GLProfiler.enable(); ... // in the render method Gdx.app.debug("draw ...
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0answers
25 views

LibGDX on Android TV

Anybody wrote games for Android TV using LibGDX? What is the mapping of the remote control? Can we use the game controller with LibGDX? Thanks!
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0answers
19 views

libgdx html part in browser only shows libgdx logo

I am trying to run HTML part of libgdx. I followed its official guide https://github.com/libgdx/libgdx/wiki/Project-setup,-running-&-debugging I have installed GWT plugin, I did GWT compile and ...
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1answer
1k 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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1answer
171 views

LibGDX - Executing 2 different touchDown events in the same method

On the bottom left of my screen is a circle with an Arrow and on the bottom right is a circle with a gun. If the player is in jetpack mode and the Arrow "button" is clicked he flies like flappy bird ...
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2answers
63 views

Libgdx coordinate system

I just started with libgdx and I'm still figuring out how the coordinate system work.The code below would draw the image at [0,0] without the Orthographic camera What I can't understand is why the ...
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1answer
1k views

Deploying GWT application / LibGDX and TextureAtlas problem

I encountered with a little problem. After GWT (and LibGDX) deployment I got an error: GwtApplication: exception: Couldn't load image '/images/objects.png', file does not exist Couldn't load ...
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1answer
55 views

Box2d jetski on water

At the moment I am trying to code a 2d game in java, where a jetski is riding on water. If you press on the screen the jetski should dive down and jump back up on release. How do I have to do this in ...
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0answers
21 views

Model a helium balloon on Box2D + libgdx [closed]

I want to make so that the bigger the balloon is, the faster it goes upwards, and if it's not big enough it will fall down. I tried applying a force greater than the gravity but it doesn't work as I ...
2
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1answer
41 views

Viewport and Camera setting

For my first game in LibGDX and Android I got a Problem: I have a background picture which is 2560px * 720px. The screen is 1280 * 720. How do I have to set the viewport and camera in order to get ...
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3answers
73 views

Collision response and delta-time problems

I'm working on a 2d top-down shooter game. At the time, I am trying to get the movement and collision right, but I have a few problems with this. First of all, I am making my game frame independent ...
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1answer
275 views

LibGDX multiple enemies animations

Hello everyone i have a question about animating multiple enemies on the screen at the same time. Basically, i figured out how to use the Pool for creating enemies and dispose them after use etc.. ...
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1answer
48 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
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1answer
47 views

AssetManager proper usage in libgdx

I am a beginner in libgdx and I am coding a simple game. This game is like a word puzzle where each letter is a texture. Before loading the first level I need to load into memory 26 textures, one for ...
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2answers
45 views

Removing default badlogic from desktop launcher [closed]

I'm making a game in java/libgdx. when I run the code in the desktop launcher it gives me a bunch of errors. All the errors are from the badlogic default package. My code: package ...
2
votes
1answer
51 views

Should I initialize a Box2D World per Level?

I'm using a LevelManager to load Tiled maps in my libGDX game, which stores: Static: final Size of map in Tiles final Size of map in Pixels final Size of an individual tile TiledMap ACTIVE_MAP ...
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0answers
48 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 ...
2
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1answer
141 views

What are the steps for creating level in Libgdx with Box2d? [closed]

I have been trying to learn game programming for a week, although I have a good knowledge of programming. I don't understand some steps of game design. I'm recently working to clone the iSlash ...
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1answer
21 views

Libgdx particle editor absorb effect

I am trying to achieve a certain kind of absorb effect within libgdx via the particle editor. To be more descriptive: I want particles to spawn in a circle and then move towards the center point of ...
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2answers
2k 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 ...
2
votes
1answer
476 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 ...
5
votes
6answers
6k views

Port libgdx application to iOS

I made my game using libgdx which is a cross-platform framework which supports desktop, Android and html5 (using Google Web Toolkit). What could be a possible route to port my game to iOS?