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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3
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1answer
838 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 ...
2
votes
1answer
352 views

Setting uniform value of a vertex shader for different sprites in a SpriteBatch

I'm using libGDX and currently have a simple shader that does a passthrough, except for randomly shifting the vertex positions. This shift is a vec2 uniform that I set within my code's render() loop. ...
2
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1answer
647 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 ...
1
vote
1answer
28 views

Rotating towards a point in Box2D

I'm using Box2d as my physics engine and I'm trying to solve what would normally be a simple problem but what has become a nightmare for me and preventing me from finishing my app. (6 months work) ...
1
vote
1answer
87 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 ...
1
vote
1answer
79 views

box2D and libgdx: Attach ParticleEffect to Body

Hello I am a newbie with libgdx, my question is: how could I add a Particleeffect to a Body that is moving? I searched about the matter and I didnt find anything related to it. I have the following ...
1
vote
1answer
96 views

LibGDX Box2D TileGame Efficiency

I am trying to implement Box2D into my top down tile game in LibGDX. Each world consists of a set of chunks, and each chunk is 16 tiles wide/long. The maximum/minimum chunks loaded at one time is 9 (a ...
1
vote
1answer
216 views

Word game - board implementation?

I'm working on a boggle type game for android, using libgdx. The user is presented with a 4x4 grid of letters and must find words by dragging their finger over the letters. Unlike boggle I want used ...
1
vote
1answer
180 views

Design pattern for animation sequence in LibGDX

What design pattern to use for sequence of animation that involve different actor in libGDX. For example I am making a game to choose a wolf from a group of sheeps. The first animation played when the ...
1
vote
1answer
288 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
1answer
950 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 ...
0
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1answer
63 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 ...
0
votes
1answer
38 views

How can I test if the mouse draw on the active tiles?

I want to draw some sprites in a tiledmap where the tiles are active. I want to draw with the mouse, so how could I compare the position of the mouse, the sprite position and the position of active ...
0
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1answer
22 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.. ...
0
votes
1answer
52 views

Move Box2D body towards mouse click

In a top down game using Box2D, I would like the player's Box2D body to rotate towards the mouse click, and then move to a point on mouse click (move, not teleport). I have worked out the rotation ...
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0answers
127 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 ...
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0answers
67 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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0answers
99 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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0answers
51 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
58 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, ...
0
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0answers
152 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 ...
0
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0answers
205 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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0answers
183 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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0answers
106 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
225 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 ...
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0answers
163 views

LibGDX stops drawing if I create a lot of Timer Tasks, but only in Android. Why is this?

I'm working on a few small games using LibGDX, and today I just started testing the first one on android rather than the desktop. A few seconds into the game, it stopped drawing. All my print ...
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0answers
147 views

Libgdx - 2D Mesh rendering overlap glitch

I am trying to render a 2D circle segment mesh (quarter circle)using Libgdx/Opengl ES 2.0 but I seem to be getting an overlapping issue as seen in the picture attached. I cant seem to find the cause ...
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0answers
94 views

Sprite transparency not effected libGDX

I am making a game using libGDX and Tween Universal Engine. My problem is as follows: I have 2 screens so fars, a splash screen with the logo, and a second one which is the main menu. In the splash ...
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0answers
93 views

box2dlights conelight rotation is off

I'm using libgdx/box2dlights for my game~ I have a conelight set up as such: ConeLight cl = new ConeLight(rh, 32, new Color(0f, 0.0f, 0.0f, 1.0f), 3, 0, 0, 0, 1); where "rh" is a RayHandler set to ...
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0answers
66 views

Box2D and randomly generated tilemaps

I am making a 2D Terraria-style sidescrolling game. I want to use box2d for the physics. However, I am using tilemaps for the maps, and I do not know of a processor-efficient way to use Box2D bodies ...
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0answers
51 views

libGDX Tilemap spritesheet size requirements?

I'm having an odd problem with libGDX. I have two spritesheets: http://postimg.org/image/iqj2w03sn/ and http://postimg.org/image/ofzbgb9yv/ [These sheets are from the Pokemon essentials builder ...
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0answers
404 views

Libgdx and ParticleEffect with scene2d not showing the same way as in the Particle Editor

I am developing a new game with libgdx and trying to implement ParticleEffect in scene2d (using actor). I am creating a ParticleEffect with Particle Editor in which I would like to add to a stage. ...
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0answers
97 views

Using libgdx to display different textures above and below generated terrain

I'm working on a Scorched Earth clone using libgdx. So far I've been able to dynamically generate the terrain as seen in the screenshot below: The polygons below the terrain surface are currently ...
0
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0answers
231 views

Collision in Tiled Map - LibGDX

I have collision code that deals with left or right or top or bottom. I am using Tiled Map with LibGDX. Question is: How do I detect collision with other cells by all 4 sides, and not specifically ...
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0answers
95 views

SelectBox in LibGDX doesn't display and freezes the program after a click

I am currently trying to apply an overlay with LibGDX over my 3D ModelBatch. Everything works fine except for the SelectBox. Once instanciated, it shows up on my screen I can click on it once but then ...
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0answers
103 views

How to make good looking bullets with a trail for top-down shooter?

So I am making a TD shooter and was wondering how to make fancy bullets. Right now I have a giant sprite of a bullet trail that is the bullet as well but it doesn't look that good. I am using libgdx ...
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0answers
47 views

GWT problem with Box2D WheelJoint

I am using the below libgdx java code for a wheel joint and rear axle using Box2D. This works fine for android, Desktop, but when I attempt to run through GWT I get the following error. at ...
0
votes
0answers
71 views

Swing and LwjglAWTCanvas

I use LwjglAWTCanvas in my jFrame. I want to load textures on some swing event(I did it from postRunnable in order to get OpenGL contex). final LwjglAWTCanvas hexagonEditorCanvas = new ...
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0answers
92 views

How to deal with different origins (y-coordinates) in libGDX?

I have a background image drawn to the screen with 0,0 coordinates in the bottom-left corner, as usual. Then I also have a (transparent) Pixmap in the same size as the background image, drawn on top ...
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0answers
80 views

Slowdown in sliding background with Libgdx

I´m new with libgx and i have a basic question. I want an background like an image that repeats indefinetely, and moves down. I did with 2 images and it worked, but the problem is that is very slow. I ...
0
votes
0answers
182 views

Box2dLights rendering in bigger scale

So basically my box2dLights are rendering in wreid places. The circle in center is my player and as you can see lamp which should be aligned to player is in the right-top corner. my code: package ...
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0answers
66 views

Libgdx get 3d intersection coordenate

Is there any algorithm that takes an arbitrary point coordinates as input and determines which is the 3d coordinate where the ray intersects the mesh? Use case: The mesh is rendered on the screen, ...
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0answers
122 views

Libgdx TileMap size limitations

I have a tmx file of 800*18 size.. It is working but there is some problem like sometimes game is slow or the player jumps too much high or the collision from ground doesn't happen properly and player ...
0
votes
0answers
159 views

glsl fragment shader work diffrently on different devices

i'm making a 2d android game where i have a mechanics that allow the player to move the camera away from the main character, and to not allow him to explore the hole world, a have create a Fog shader, ...
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0answers
88 views

Sound Effect Delay occurs when game is deployed with GWT backend?

I've been posting my games on to my personal website recently and I noticed a slight hiccups with the LibGDX games I've made. Within the first few seconds following the loading of the game, there is a ...
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0answers
31 views

Make QueryAABB touch in the center of a body to respond

I am allowing the user to drag their fingers to select bodies. The bodies are then added to a array list to be removed later. The problem is, i would like the users finger to have to cross the middle ...
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0answers
135 views

Rendering tile maps for mobile devices

Hitting a bit of a roadblock with my game's development and I'm just looking for some outside advice. I'm trying to render a tilemap for my mobile game (Android) and I'm using LibGDX. Now, here's ...
0
votes
0answers
452 views

pause or freezing game screen

I have a question regarding the pausing/freezing a game while a window/pausemenu will appear at center of the screen. I've already created a pausescreen class which will be called each time the back ...
0
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0answers
268 views

fire multiple events in InputListener

I have two Actors on my stage in libgdx and and both have a InputListener. I override the touchDown method and it works fine. My Problem is that when I press my Actor Z and a second later Actor Y only ...
-1
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0answers
35 views

libGDX sprite disappears after 5seconds

I`m learning java for some time and decided that I want to make a game using libGDX. Everything goes well except gravity and jumping. Im not using Box2D so i found tutorial where jumping was solved ...