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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Reskinning assets on-the-fly with LibGDX TextureAtlas
I'm building a game for Android using LibGDX and I'm attempting to add in a skin feature so players can change the look of the game on-the-fly. I've packed the skinnable assets into their own .pack ...
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Scene2D set table cell size in percentage of tables ´s size
Is it somehow possible to set Scene2D table cell´s size in percentage of the table?
I would like to have orientation independent menu, with buttons filling let´s say 75% percent of the screen, and ...
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24 views
Why is glBlendEquation MAX behaving like this?
I'm rendering to a FBO for accumulated lighting in 2D. The plan is to use GL_MAX blend equation to blend all the light sources as a local maximum - I don't want to use the normal "add" blend mode.
...
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38 views
Box2D Physics Crazy
I have a simple Box2D Game with a dynamic player, a static floor, and a matrix of gems.
The problem is that the physics engine goes crazy. You can see in this video:
https://youtu.be/iaH_ex8eVVk
...
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1answer
23 views
How to rotate an image on touch using RotateToAction in libGDX?
I want to rotate my image on touch but it never applies action, I'm using RotateToAction to achieve this.
class actorCark extends Actor
{
Texture texture;
Sprite sprite;
Global g;
...
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1answer
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What type of networking system should I use With LibGDX on Android?
I've been looking for a good way to implement multiplayer in an Android strategy game I'm working on, using LibGDX.
What I found:
The embedded LibGDX networking system
Kryonet
Google Play Services ...
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1answer
27 views
Libgdx, actor touchlistener not working
public class Main extends ApplicationAdapter {
SpriteBatch batch;
OrthographicCamera camera;
Stage stage;
Image greyback;
Image circle;
private float width;
private float height;
@Override
...
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1answer
18 views
LibGDX: Transition scale bitmap font
I'm trying to create a Minecraft like quotes on the menu screen of my game.
I'm using BitmapFont to draw the text on screen but i don't know how to make that scale up scale down effect.
This is what ...
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2answers
20 views
Sprite not drawn on the same position as its Body LibGDX after implementing Pixels Per Meter Division on Box2D
I had a problem where the sprite was not positioned on Body correctly which I solved and you can see it here:
Box2D is not positioned on the sprite correctly LibGDX
After I solved that, I needed to ...
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votes
1answer
98 views
Accelerated movement in a specific time to a specific point
I am trying to move my sprite in a specific time to a specific position while using frame-independent or time-dependent movement. My sprite is also accelerated every frame to simulate gravity. I know ...
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1answer
41 views
How to handle two players playing on one keyboard with Box2D (LibGDX)?
I'm making a racing game with LibGDX and Box2D. I've been using this tutorial to implement the basic physics, and it works properly.
My main problem is to implement two different sets of keys ...
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2answers
38 views
Box2D is not positioned on the sprite correctly LibGDX
I have a strange issue where my Box2D is not being positioned on the player correctly. Down is the picture:
What I find more strange is that the Box2D is positioned correctly on the cloud that is ...
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2answers
75 views
Why is my character passing through in Box2D?
I have a collision problem in Box2D.
I am trying to do a simple platform game with Libgdx, Box2D and TiledMap.
I have a map made with TiledMap:
I load the map in my Android game. I read all the ...
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1answer
28 views
LibGDX--constant high score in top corner
I'm currently programming a game using LibGDX and box2D. I have a sprite (player) that moves up the screen, kind of like doodle jump.
I'd like to have my camera to be centered around the player at ...
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1answer
24 views
Box2D fixed timestep updating is twitchy on constant FPS
I'm messing around with libgdx and box2d and I'm trying to implement sidescroller movement with fixed timestep logic according to the famous Fix Your Timestep! tutorial/guide. However, logic updating ...
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2answers
99 views
Box2DLights in libGDX - Bad quality of the light gradient on Android
I am facing a problem while porting one of my libGDX project from desktop to Android : My game uses Box2DLights. While the light effect look very fancy on the desktop version of the game, it looks ...
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39 views
LibGDX How do I create a Shop?
My game is fully working but now I want to make a shop so that the player can buy boosts or other useful stuff for the money the player has collected.
What is the best way of doing this kind of ...
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1answer
22 views
LibGDX - Bundling Files
I have 3 files. A JSON file, a PNG file, and a TXT file. Is there any possible way I can put all three inside a common file with a custom extension? (for example "fileName.abc")
I searched the web a ...
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0answers
69 views
Libgdx and gdx-ai: How to implement wander behavior?
So I follow the original gdx-ai documentation and created 2 circles to test Steering behavior.
The image shows arrival behaviour but I am still quite lost about how they work.
Screen class:
public ...
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votes
1answer
23 views
What is the purpose of the second parameter to Array.removeValue in libgdx?
I have been wondering what the second parameter of the method in Array removeValue does.
removeValue(T value, boolean identity)
What does indentify mean and should I pass true or false?
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DragAndDrop release with pointer on payload
When I am moving my payload all the way to the corner it remains on the stage and my mouse goes over it when I then release (on a valid target) it returns null as a target and thus does not drop ...
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Behvior of Ninepatch when smaller then unstrechable area?
I create a healthbar from a Ninepatch background and "fill" texture. However, it starts overlapping it's patches when it gets very small.
Is there anything I can do about this? Is there a way to ...
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37 views
How can I make an Actor repeat the action on collision in LibGdx?
I want my EnemyActor to do this SequenceAction when it collides with my bullets.
I have already done the collision. Now the problem is that it only does the SequenceAction once when it gets collided ...
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22 views
Move player with platform libgdx
I'm learning libgdx and I'm having a problems with moving platforms. I have a bridge class with float values for move_amplitude(distance the bridge moves) and move_time(duration it takes). The bridges ...
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1answer
30 views
How to get the position in an actor inside a table with LIBGDX?
Well the title says it all, I want to get the position of an actor inside a table
Button button = new Button(bs);
table.add(button).width(50).height(50);
table.top().center();
By using
...
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1answer
42 views
Game Server Mechanic [closed]
Hey guys :) Im currently developing a little rpg duengon crawler.
I really want to implement a local and an online multiplayer function, i know how servers are working and how to make them using ...
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1answer
72 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 ...
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1answer
23 views
Libgdx + Box2d working with 2 cameras
Recently I have read that you can work with 2 cameras whenever you involve Box2d, which only works in meters.
In my Renderer class, I receive all the entities in the game and then draw them. I work ...
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1answer
22 views
LibGDX - Getting Tile Map Layers Problem
While following a tutorial with LibGDX, I am working with tile maps.
This is the method that I'm using:
tilemap.getLayers().get("Collision Layer");
or
tilemap.getLayers().get(1); //1 is the ...
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1answer
56 views
Libgdx, TiledMap, and tearing
My TiledMap tears when the window is specific sizes, resized, or the camera moves.
The tileset is padded by 2px and have tried as high as 10px. Each tile is 70x70.
Here are the pack.json ...
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1answer
40 views
How could I draw text in an 'info bubble' with libgdx?
I am making an android game using libgdx where there are textures on the screen which represent people. When you touch a person sprite I want a little info bubble to pop above their head displaying ...
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1answer
68 views
How can I make an actor fire a bullet on touch?
I created a Jet and a Bullet, and when Jet is touched, the Bullet is fired.
Now I want to know how can I make the Jet fire again when touched after it has fired the first shot?
public class ...
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32 views
LibGDX - Player Movement Flickers
So, I was programming a very simple LibGDX game, so I decided to include a player class into the program. Once I did that, the players image started to flicker/stutter while I moved it.
Here's the ...
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1answer
42 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 ...
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37 views
Implementing BaseGameUtils with LibGDX for Google Game Services
I'm developing a game for Android in Java using Android Studio and LibGDX. I'm trying to implement the Google Game Services inside my game but I'm having trouble using the BaseGameUtils. Every time I ...
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25 views
gdx-video - Error: Failed to resolve: com.badlogicgames.gdxvideo:gdx-video:0.0.1
I would like to use gdx-video extension in my libGDX project, to embed a YouTube video. I have found this extension on GitHub, but there are several error messages during Gradle Sync process. I have ...
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1answer
37 views
How to get system date? [closed]
How do I get system date like: month, day in libGDX?
I want to add to my game events that happen on specific date but I don't know how to receive it.
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1answer
42 views
GLSL Shader not compiling (Android & LibGDX) and no log available
I'm trying to get a "ripple"-shader working for OpenGL ES 2.0+ (using LibGDX).
However, I can't get it to compile, and for some reason ShaderProgram.getLog() returns an empty string even though the ...
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22 views
Move/Rotate 3d multiple objects w.r.t. to one another in libgdx
I have two blender objects in .g3dj format. Below is the code :
private void createBaseArm1(){
// Now load the model by name from asset folder
baseArm1 = ...
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32 views
Lip Sync Sprite Animation in LibGDX
Is there any free sprite package to achieve lip syncing animation ? This is what I have in mind.
User will input text
The character will talk with the appropriate lip sync.
I know there are ...
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25 views
How to run Kryonet server inside Libgdx project and is it ok?
I am trying to add multiplayer to my game and I used Kryonet. I have written the server, requests and etc and the only thing that is in front of me is how to run the server, it is in the libgx project ...
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0answers
33 views
get object location in 3d view libgdx
Below is the code of rendering the .g3dl model. I am trying to find the x, y, z co-ordinates of model's top view in 3d (Android) from origin (0, 0, 0) using calculateBoundingBox. I am stuck with no ...
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0answers
35 views
Box2D top down car weird spasm
im currently programming a 2d top down racing game with box2d and libgdx.
i have a car body to which there are 4 wheels attached. these 4 wheels are attached with RevoluteJoints ( for the front ...
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27 views
Stretch Textures to screen width and height with StretchViewport
I have an orthographic camera that have viewportWidth = 540 and viewporHeight = 960.
My backgrund texture is 1080x1920 pixels.
How can i resize the texture to fit the camera using a StrechViewport.
...
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1answer
40 views
Player moving back and forth when moving with camera LIBGDX
I have a problem. When in libGDX my player moves across the screen and the camera is moving after him the player jumps back and forth a bit. Player still moves forward but it looks goofy
I'm moving ...
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1answer
60 views
Problem merging vertices of two polygonial bodies
SUMMARY
I need help to create a weld joint that fixes the two bodies together in a way as illustrated in the first image.
ISSUE
I am having an issue where I cannot find out how to weld vertices of ...
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1answer
32 views
GlViewport-code doesn't work in one specific screen?
I am currently working on a small game using LibGDX and Java.
However, I have found one oddly specific problem. I want the game to resize so that it never has to be cropped and so it never has to cut ...
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3answers
167 views
Box2d set sprite to body that rotates around specific point
I want to rotate kinematic body around a specific point (I already done this part using
shape.setAsBox(1.8f / PPM, 0.2f / PPM, new Vector2(5.2f, 0), 0);
What I try is this:
PolygonShape shape ...
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0answers
32 views
Doing collisions on both axis with java overlap
I'm making a top down game from scratch and just found out about the java rectangle overlap method that would work great for collisions.
However, after the overlap happens, I need to check for which ...
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1answer
39 views
LibGdx: search through text file without lots of String garbage
I'm reading a text file from Gdx.files.internal in LibGdx. This is essentially streaming a file from a compressed Jar file so random access is not possible.
I want to search through the text file ...
