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.
2
votes
3answers
327 views
How can I create a spritesheet animation with big images?
If I have a 200x200 pixel sprite, and I want to create an animation for it with 30 different frames, how can I accomplish that? I can't put them on one texture/spritesheet.
1
vote
1answer
2k views
Can networking be platform independent in a libgdx game?
LibGDX supports Desktop (Windows, Linux and Mac), Android and web applications. Can i code the network part of an online game without taking care of what kind a of application i'm running? i.e coding ...
1
vote
1answer
226 views
Edge flicker when moving Camera (2D)
I have a Orthographic camera. I have a fixed landscape texture and a texture for a moveable object.
If the object moves to the right the camera will also move with the object.
When I also draw an ...
4
votes
1answer
690 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, ...
1
vote
1answer
456 views
2D game world creation (libGdx, java)
I'am starting to develop a 2D game with motorbikes.
My Question now is:
When my bike reaches the right edge the world should move. (Like in that game: Game example) My first thought was to implement ...
0
votes
2answers
372 views
Help with Meshes, and Shading
In a game I'm making in LibGdx, I wish to incorporate a ripple effect. I'm confused as to how I get access to the individual pixels on the screen, or any way to influence them (apart from what I can ...
1
vote
2answers
307 views
strange behavior in Box2D+LibGDX when applying impulse
I have been playing around with Box2D and LibGDX and have been using a sample code from DecisionTreeGames as the testing ground. Now I have a screen with four walls and a rectangle shape, lets call it ...
1
vote
0answers
976 views
LibGdx drawing weird behaviour
I am finding strange behaviour while rendering TextureRegions in my game, only when pausing it. I am making a game for Android, in Java with LibGdx.
When I comment out the line "drawLevelPaused()" ...
1
vote
3answers
662 views
Pass a single boolean from an Android App to a libgdx game
I'm writing an Android application that needs to pass a single boolean into an Android game that I am also writing. The idea is that the user does something in the App which will affect how the game ...
2
votes
2answers
2k views
Change alpha to a Frame in libgdx
I have this
batch.draw(currentFrame, x, y, this.parent.originX, this.parent.originY, this.parent.width, this.parent.height, this.scaleX, this.scaleY,this.rotation);
I want to apply the alpha that ...
0
votes
1answer
1k views
How to use the actions of the actors in libgdx?
I'd like to know if someone has already used Actions in the actors, and how to use them. I don't know how. I want to rotate an Actor.
4
votes
1answer
1k views
Repeat texture in libgdx
How to fill region with repeated texture? Now I'm using next method:
spriteBatch.begin();
final int tWidth = texture.getWidth();
final int tHeight = texture.getHeight();
for (int i = 0; i < ...
1
vote
2answers
626 views
How can I make a tile appear on top of another without completely blocking the tile below?
Making a small RPG with libdgx just for learning about how to draw tiled maps and move around in them. I've got the tiles drawn and OrthographicCamera stuff figured out so I can see my world. My ...
0
votes
0answers
2k views
LibGDX Box2D Body and Sprite AND DebugRenderer out of sync
I am having a couple issues with Box2D bodies. I have a GameObject holding a Sprite and Body. I use a ShapeRenderer to draw an outline of the Body's and Sprite's bounding boxes. I also added a ...
0
votes
0answers
86 views
Cannot find ids?
Ok I am creating a game with libgdx i have 3 projects one for desktop/android/and main game
i have a avi i wish to play prior to the main game screen which is outlined in the main game section.
but it ...
0
votes
4answers
707 views
Something like libgdx for C++ / cross-platform (with mobile) SDK [closed]
Is there an SDK like libgdx which allows me to code in C++? I really like the features libgdx has, but would prefer to code in C++. I've looked around but can't find anything. I found the commerical ...
2
votes
2answers
229 views
Ray Picking: how can I find which copy of model to pick, if they share the same vertices, but each one is translated before being drawn?
I have a scene, in which I am drawing few different objects - each one has the same vertices and each one is translated to proper place before being drawn.
While using libgdx (but I think that this ...
3
votes
1answer
517 views
Weird error with opengl in Android using Libgdx : “EGL_BAD_ATTRIBUTE”
I am having a weird error when uploading my game in the phones.
E/Adreno200-EGL(5128): qeglDrvAPI_eglGetConfigAttrib:484>: EGL_BAD_ATTRIBUTE
I am uploading the textures with AssetManager.
I am ...
0
votes
2answers
274 views
Project updates don't show up on mobile device
I've made a small application with libgdx framework, which works perfectly on desktop. It runs on Android too, however once I change something in my main project and try to recompile it on my phone, ...
0
votes
0answers
231 views
Objects lagging behind mouse movement in LibGdx
I asked this on stackoverflow but did not receive an answer:
In a very simple Libgdx game, which only consists of single image being dragged along with mouse, I notice that the object always lag ...
0
votes
2answers
371 views
Euler angles to Cartesian Coordinates for use with gluLookAt
I have searched all of the internet but just couldn't find the answer. I am using LibGDX and this is part of my code that loops over and over:
public void render()
{
GL11 gl = Gdx.gl11;
...
-1
votes
1answer
788 views
libgdx setOrigin and setPosition not working as expected?
I create a camera:
camera = new OrthographicCamera(5.0f, 5.0f * h/w);
Create a sprite:
ballTexture = new Texture(Gdx.files.internal("data/ball.png"));
ballTexture.setFilter(TextureFilter.Linear, ...
1
vote
0answers
140 views
Blending effect on textures
Hi i am trying to build screen animation like flickering, interlace, color separation similar to old style malfunctioning Amiga screens. The intended effects are shown in this video. I am using ...
0
votes
1answer
722 views
rotating menu with Actors in libgdx
I am intending to build a circular menu, with menu items equally distributed around the circle. When clicking on a menu item the circle should rotate so that the selected item is facing the top. I am ...
0
votes
1answer
911 views
Problem with AssetManager in libgdx
I started using the asset manager, so I could use a loading screen. Everything is working fine, but when the app enters a pause state, it unloads every asset and when it loads the screen all the ...
0
votes
1answer
1k views
Creating lots of sprites dynamically in libgdx
I´m creating Groups that contains Sprites and adding bodies with box2D, but when I create many of this my animation gets very slow. How can I handle it?
2
votes
3answers
466 views
What's an efficient way to represent game state for networked games?
I've done a little bit of network coding for games before, but primarily with TCP for games that don't really need to simulate real-time interaction. I am working on a (somewhat) simple 2D Java game ...
0
votes
1answer
549 views
How to make a 2D Terrain with opengl?
I want to make a simple 2d terrain with just a few bumps and height changes:
I thought about just using random numbers to describe the height of a certain vertex, but I don't see how I can make ...
3
votes
2answers
517 views
Detect if a sprite has left the camera in libgdx?
Is there a method to know if a sprite has left the camera of the stage? or I have to do my operations? :P
2
votes
1answer
2k views
How do I properly implement zooming in my game?
I'm trying to implement a zoom feature but I have a problem. I am zooming in and out a camera with a pinch gesture, I update the camera each time in the render, but my sprites keep their original ...
0
votes
0answers
357 views
Implementation AnalogOnScreen Controller
I want to know about how to implement analog on screen controller for the application. If possible also provide some guidance with example so It done my work easier.
0
votes
2answers
1k views
How do I move a body using the hardware accelerometer?
I want to move the ball as I move the device but I can not able to find how to use accelerometer in libGDX. I know that Gdx.input.getAccelerometerX() returns x coordinate but I don't know how to apply ...
1
vote
1answer
649 views
Errors on LibGDX tutorial
I get the following errors on the LibGDX tutorial "Simple App"
Exception in thread "main" java.lang.UnsatisfiedLinkError: no gdx64 in
java.library.path at ...
0
votes
2answers
1k views
libGDX application does not support 800x480 resolution
I have an application written with libGDX that does not run with a resolution of 800x480, whereas on devices with other resolutions (e.g. 480x320) it works perfectly. It also works perfectly as a ...
1
vote
1answer
795 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 ...
1
vote
3answers
2k views
Camera Coordinate To Screen Coordinate
I want to convert the camera coordinate to screen coordinate. I have asked this question because my camera is 48m wide and 32m high but my screen is 480x320 pixels. So whatever collision point I get ...
0
votes
4answers
783 views
Relationship between Desktop and Android on LibGDX
So I finished tweaking a tutorial called Rain Catcher and I ran the desktop application. It works fine. I then proceeded to run the application using the android emulator the game then crashes.
I ...
1
vote
1answer
494 views
Android APK export duplicating libgdx assets folder
I'm developing a game using libgdx targetting Java desktop and Android. For the assets I have a "data" folder inside the "assets" folder in the Android project. Then, I link it from the desktop ...
1
vote
1answer
311 views
Erasing part of lines in libgdx with ImmediateModeRenderer
Hi i'm using the ImmediateModeRenderer renderer = new ImmediateModeRenderer10(); to render a line with the next block
renderer.begin(matrix, GL10.GL_LINES);
renderer.color(color.r, color.g, ...
1
vote
1answer
285 views
Removing the circle outline rendered on Box2d CircleShape
How can I remove the outline on the CircleShape below?
CircleShape circle = new CircleShape();
circle.setRadius(1f);
This is what I'm using to draw:
batch.draw(textureRegion, position.x - 1, ...
1
vote
1answer
312 views
Random Sprite Speed
I followed the Rain Catcher tutorial from libGDX and I made some modifications to the code, allowing the rain drops to appear faster. But I cant figure out how to make the raindrops fall at random ...
0
votes
1answer
579 views
Virtual screen size with libgdx and GLES 2
I've been trying to use a virtual screen size for my libgdx desktop-android game. I'd like to always use a 16:9 aspect ratio but with a virtual screen size so everything would adapt automatically ...
1
vote
0answers
75 views
Parenting Opengl with Groups in LibGDX
I am trying to make an object child of a Group, but this object has a draw method that calls opengl to draw in the screen.
Its class its this
public class OpenGLSquare extends Actor
{
private ...
2
votes
2answers
575 views
How do I show a minimap in a 3D world?
Got a really typical use-case here. I have large map made up of hexagons and at any given time only a small section of the map is visible. To provide an overview of the complete map, I want to show a ...
4
votes
4answers
462 views
More efficient in range checking
I am going to use a specific example in my question, but overall it is pretty general. I use java and libgdx.
I have a ship that moves through space. In space there is debris that the ship can ...
1
vote
1answer
729 views
How does the rectangle bounds (x,y,width,height) in libgdx work?
I cant work out how to use the rectangle bounds in libgdx I am currently using the superJumper example and have 2 or 3 examples with that are:
<!--this is the pause button in the top right ...
3
votes
1answer
325 views
Photon alongside LibGDX
Can anyone point me to a possible implementation of the Photon network engine along with LibGDX for Android? Or any multiplayer networking SDK for all that matters.
From reading source code it ...
2
votes
2answers
2k views
On screen controller for libgdx games?
Does anyone know a better controller for 2D Games than a virtual on screen joystick? The pros of the joystick are:
Easy to implement for developers
Familiar interface for users
But there is a ...
-3
votes
2answers
512 views
How to create Executable Jar
When I run a jar file I created, I get the following error, so please someone help me out of this:
Exception in thread "LWJGL Application" com.badlogic.gdx.utils.GdxRuntimeException: Couldn't ...
-3
votes
1answer
290 views
Different texture for multiple resolution
How to use different texture(image) for different resolution in libGDX? Also specify how to detect it from asset folder?
