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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2
votes
1answer
99 views

Vertical alignment of a padded font generated by Hiero in libgdx

I've generated bitmap fonts for libgdx using Hiero. I've got several distance field fonts that require a lot of padding, unfortunately they don't seem to align correctly. Below is a font with a ...
0
votes
1answer
551 views

Communication between Box2D and libGDX Stage (Scene2D) running in separate threads

I'm making a physics based 2D game using libGDX and Box2D. I want to move the execution of the simulation out of render thread. I use immutable messages and the BlockingQueue to pass the information ...
1
vote
2answers
1k views

Why does resizing my game window move and distort my rendering?

I'm starting to make a game, and the first screen I've made is a very simple loading screen with some centered text. On starting it up, the text is nicely centered: Then I resize the window, and I ...
0
votes
1answer
35 views

LibGDX Table.drawDebug deprecated?

I am following the "Learning LibGDX Game Development" book to make a simple game. I am in the menu creation section where we create a stage and render it with debug borders The book says to use ...
1
vote
0answers
52 views

How do I fill a shape with a texture in Libgdx?

I am making a 2D racing game. I want to fill the area of the ground object with a texture. I have the shapes of the ground (a Box2D shape). If I make images of the ground with textures, it uses a lot ...
0
votes
1answer
44 views

Collision detection Libgdx

I'm trying to implement Collision detection using Rectangles for my game but can't seem to get it to work. Bullets are updated when pressing space every frame so they move across the screen. ...
0
votes
1answer
81 views

Libgdx desktop windows resize

I have tried to make game with libgdx I want to create 3x3 grid in the middle of screen I ran the desktop project, it seems that not much problem at all, but if I resize the windows the 3x3 grid move ...
0
votes
2answers
116 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 ...
0
votes
0answers
25 views

Libgdx Scene2d shows White screen when executed [on hold]

package com.Darth377Apps.DeepShadow; import com.badlogic.gdx.*; import com.badlogic.gdx.graphics.g2d.*; import com.badlogic.gdx.scenes.scene2d.*; import com.badlogic.gdx.scenes.scene2d.ui.*; import ...
0
votes
1answer
47 views

Box2D pixel to meter conversion

I have a game that was written in pixels and now I want to change it to meters like(box2D do). How I need to do that. I have wached a lot of tutorials and all they have some SCALING FACTOR but when I ...
0
votes
0answers
23 views

Libgdx: ModelInstance texture is not rendered on Java8

I have project based on opengl, libgdx framework. It's impossible I think, but when I switch my project from Jdk1.7 on Jdk1.8 I have problem with rendering model's texture. I have no idea how language ...
1
vote
1answer
866 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 ...
1
vote
1answer
38 views

How do I find the shape of Tiled's circles or ellipses in libGDX?

I created a level in the 'Tiled Map Editor' and loaded it into my libGDX game. I can easily transform almost all objects into Box2D objects (although this problem is not Box2D specific), but I have ...
0
votes
1answer
20 views

Predicting circle-circle bounce vector when aiming one at another

I am making a game with libGDX (with box2d) in which you drag and aim one circle body at another then release to fire. I would like to be able to predict the path of the second circle based on the aim ...
-1
votes
2answers
83 views

Libgdx, find Vector3 direction

I am using Libgdx along with Bullet physics. I have a vehicle moving. I would like to use a ray from the vehicles origin and in the vehicles forward direction. How can I create the forward Vector3 ...
0
votes
0answers
40 views

Bullet Physics for Collision Detection and Smooth Response

I'm creating a game using LibGDX, and to prevent the need to spend lots of time writing collision detection code I've decided to make use of Bullet Physics, simply for collision detection and not for ...
1
vote
2answers
135 views

How to create Whirlpool/Vortex effect?

Im trying to make a Vortex effect on a Circle Body that is a Sensor. I've been looking for this and all examples i look for are in C++ or Objective C and i dont seem to translate them well. when my ...
0
votes
0answers
11 views

GdxRuntimeException uiskin.atlas

I have problem when trying to use the uiskin.atlas from github/libgdx. I've downloaded(cloned) it from libgdx.git but it just doesnt work. I get the following error: ...
0
votes
0answers
32 views

libgdx y axis rotation (card flip)

I am a complete new user to libgdx and am looking to use it to write a simple card game. I want to be able to flip my cards over to reveal them, in the same way as this example from Google shows. ...
0
votes
0answers
15 views

Using fonts in Scene2D GUI

I'm learning how to use Box2D and Scene2D together. I'm trying to create a Sprite class that combines a Box2D body with a Scene2D actor. Before I can do this I need to set up the environment I plan to ...
0
votes
0answers
41 views

Problem with changing font color in libgdx

I recently noticed that my version of libgdx was way out of date, so I updated from version .9.something to 1.4.1. I copied files for the project I'm working on over into a new project generated with ...
2
votes
0answers
45 views

Drag And Drop in libGDX (Target and Source)

I'm trying to put together a drag and drop system in libGDX with the help of DragAndDrop class. I have the typical system in which you can drag something into a box. So far it is working all dough I ...
1
vote
1answer
92 views

How can I implement a camera like the one in RotMG?

RotMG, an MMO top-down shooter, takes on a unique 2d-3d style, and has an intriguing camera; The game is obviously 3d, not simply isometric, and if you play the game and turn on camera rotation you ...
0
votes
0answers
23 views

Change a vertices and display corner of a polygon

I'm currently building a level editor for my game and i'm having some trouble on how to change vertices of a polygon. Basicly i searched the web trying to figure out how to update the vertices of a ...
1
vote
2answers
91 views

Random undirected graph generation

I would like to generate graphs randomly, like this: I have found that Box2d maybe can do it to me. But I do not know, how to use it, so how can I generate bobies after world initialization?
0
votes
0answers
21 views

Cant Set Image Origin in Table Cell - LibGDX

I am having real issues with my Actors when placed in table cells. I would like to set center Origin to allow me to tween the scale around the center. I am aware that the Table is responsible for ...
3
votes
2answers
503 views

How do I crop a camera's viewport?

I'm making an Android game using LibGDX. I would like to render a cropped version of the camera's viewport. Here's an original camera view (in 3ds max): I can get the same view in LibGDX without ...
0
votes
0answers
26 views

In libgdx, how do I get the intersection of a ray with a model instance?

I am using LibGDX trying to use raypicking to pick a point on a Mesh. I have two methods for this that don't seem to work quite right: /** * @param ray * @param intersection The vector to store ...
-1
votes
1answer
64 views

How to mirror a texture in libGDX

Is it possible to rotate my sprite in LibGDX? public class Flame { private static final int FRAME_COLS = 6; private static final int FRAME_ROWS = 1; private Animation flameAnimation; private ...
2
votes
1answer
68 views

How can I get the instantaneous volume level of a sound at a particular playback point?

How can I go about getting the current volume output of an audio file in libGDX? By that I mean of the actual file at its current play position. Essentially I want to write my own version of a plugin ...
0
votes
1answer
377 views

What is the approach of creating an image puzzle game with libgdx

I would like to create a game which consists of taking a random image, slicing it up into some number of pieces (according to a selected difficulty) and letting the player solve the puzzle. I've ...
1
vote
1answer
52 views

Libgdx - gesture dection

I have made a card game, and have two methods that sort the players hand. sortHandBySuit(); sortHandByValue(); I would like one method to be called when the user slides their finger from left to ...
1
vote
0answers
45 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 ...
0
votes
0answers
30 views

Tap responsiveness on mobile [on hold]

My question is quite simple but I hope someone can help me here. My problem is the delay when the screen is tapped. In my game there are fast moving images that need to be tapped. I have the touch ...
0
votes
0answers
34 views

Move body LibGDX Box2D

Hello I have a body and I want to move it. When I press the mouse button my body should move at that position (on the const speed)on the screen. I have override two methods(x1, y1 - point where my ...
1
vote
2answers
149 views

How do I handle game lag due to background apps

I'm developing a game using libgdx and have noticed on several occasions that other background apps running can cause lag in my game - especially when those apps are being updated in the background. ...
3
votes
3answers
3k views

Vector images (SVG or other formats) support in libgdx or other Android framework? [closed]

I'm looking for a website to create games for Android. I'm interested in something that supports vector images. Do you know if libgdx supports them or is there a convenient way to use them in libgdx? ...
0
votes
1answer
35 views

Box2D pixels to meters , LibGDX

I am confused . what shall I set the orthographic camera viewport in libGDX when I use box2d , in one tutorial I saw that he divided his viewport numbers to 32 because 1meter =32 pixel , but I think ...
6
votes
1answer
2k views

Why do my images take 200 MB of RAM when they are ~20KB on disk?

I am creating an Android game using libGDX. When I load my nine images it takes 200 MB of RAM. But the images are 10 to 17 KB each. Why the discrepancy? Here is where I create textures from those ...
0
votes
1answer
55 views

Box2D Body creation causing performance issues

I have at max 10 dynamic bodies in my world at any time. they are created at random and fired up from below they screen. when a new body is being created, the fps falls from 59 - 61 to about 35- 40 ...
0
votes
1answer
37 views

Making sprites move in oppsite direction of vector

I have a sprite that moves from the bottom left of the screen to the top right. What I want to know is how would i make it turn around and go in the opposite direction, and continue this loop. I ...
0
votes
0answers
36 views

LibGDX - Tiled Map Layer Collision [duplicate]

I'm currently using LibGDX for a Atari 2600 style dungeon exploring game. I use the Tiled map editor as my editor of choice. Plus it's the best in my opinion for mac. I'm using LibGDX because of it's ...
0
votes
1answer
84 views

How can I change the appearance of the mouse cursor in libGDX?

How can I change the mouse a cursor to a picture using libGDX?
0
votes
0answers
32 views

(libgdx) how to make an actor transmits the events it receives to its children?

I use the following class : public class InGameMenu extends Actor{ /** VARIABLES **/ private boolean debug= true; private float x,y,width,height, margin; private static final String TAG = ...
1
vote
1answer
87 views

How would you declare a Texture object in the libgdx skin json file, using a region from a texture atlas?

I have a texture atlas that is linked to my skin.json file. The atlas contains a region named "game-title". I would like to declare a com.badlogic.gdx.graphics.Texture object in the json file, to ...
1
vote
0answers
45 views

Changing Box2D Body from Kinematic to Dynamic after contact

What is the correct way to change a Kinematic body into a dynamic body? context - I have a dynamic body as a projectile which has to be fired at a kinematic body (it is kinematic because i am ...
1
vote
2answers
428 views

Cover Screen with Snowing Effect in Libgdx

Oddly enough I cant find clear instructions on this theme (I only found rain and the method is very particular) so I ask, how do I implement a whole-screen snow-falling effect? The methods i can ...
0
votes
1answer
67 views

Only render/calculate the chunks in frustum!

I have a 2D world in form of a Block[][]-Array that holds all the blocks of the world. Every block has it's own Box2D Body (I want a "minecraft"-like 2D world for this project). Naturally I don't want ...
0
votes
3answers
1k views

How would I generate random falling objects

I'm creating a game using libgdx on Eclipse that is similar to Ragdoll Avalanche. I'm looking for a way to generate falling objects like the triangles of Ragdoll Avalanche. All I know that i have to ...
1
vote
1answer
124 views

White background on BitMapFont

I've tried placing a white "background" on a font that is being rendered with LibGDX, with no success. I'm using the font.draw to draw the loaded font on the screen, but every way that I tried, the ...