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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Integrating Google API client with Libgdx
The Google API guides are some of the worst most confusing reads I've ever worked through. I have a few nice working games for Android and I bought the Developers account for the Play Store, but there ...
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2answers
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How big is a Game World in LibGDX?
I know that the game world is like the whole game itself and most of the time, the developer sets the Screen to be a particular section of the Game World. However, how big is the Game World?
For ...
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Does the Physics Body Editor from Aurelien Ribon work with a Texture Atlas?
Is it possible to use the Physics Body Editor from Aurelien for a texture atlas? I have only been using it with seperate textures. If so, can someone please give an example in code?
This is my ...
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1answer
25 views
How is the render() method called in LibGDX?
Ok, I know that the project generator in LibGDX finds the render(deltatime) method in my Game project and make it into a game loop so that it repeats itself on an average of 60 fps. But I want to know ...
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1answer
44 views
How to move an object from off screen right to left continuously?
I am trying to make an object move from off screen on the right to off screen left and continuously generate (like the flappy bird pipes). How would I do this with my current code below? I have tried ...
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1answer
25 views
How to change mute/unmute button?
I'm saving music in libgdx preference, the following code works perfectly but if you enter the settings again you'd see the initial button up regardless if the sound is muted or not.
TextureAtlas ...
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2answers
63 views
Register Enemies in game development
I'm working on a game to learn the basic for game concepts. I end up with the following problem. I got a class called enemy, but now I want different types of enemies. These enemies extend from this ...
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2answers
50 views
what makes render() and update() change frame 60 times every second in LibGDX
Whenever we declare the render(float deltatime) or update(float deltatime), in any class, it automatically become a method that is repeated 60 times per second. But what makes this method repeat ...
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1answer
51 views
Why do we put deltaTime as a arguement in render() LibGDX?
I know that deltaTime is the time the last frame took to be rendered. However, I have no idea why we have to put it inside the parameter of the render method. I also don't know how the render method ...
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13 views
QueryAABB and PPM calculate in Libgdx
How does the calculation works for the QueryAABB in the world class?
In the game PacMac here that part confuse me:
for (int y = 0; y < mapHeight; y++) {
for (int x = 0; x < ...
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1answer
34 views
How to update void show?
getMusicPlaying is set to false whenever someone touches the button, but libgdx runs show method only once, at the start of the game, hence the music will keep playing forever.
I tried to use the ...
0
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2answers
27 views
What are world coordinates and pixel coordinates in LibGDX
I searched the Internet for these two terms, but there is no reference to them. I just started learning LibGDX, so please explain in the simplest way possible
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1answer
26 views
Why do we have to resize the screen in LibGDX
In a lot of the libgdx tutorials that I have took until now, I am told to resize the screen of the game using the SetToOrtho() of the orthographic camera. However, I don't get this part. Why do I have ...
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2answers
28 views
LibGDX Crash when destroying a body?
So I'm working on a LibGDX game, and when a bullet body collides with a block, I want to destroy the bullet. I'm calling:
Globals.gameMan.world.destroyBody(bullet.body);
and for whatever reason, the ...
0
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1answer
25 views
Libgdx: How to leave the dialog visible?
setBtn.addListener(new ClickListener() {
@Override
public void clicked(InputEvent event, float x, float y) {
final Dialog dialog = new Dialog("Settings", skin, "dialog") {
...
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Replacing “String.Format” call Libgdx Java Android game
I am currently using this to create a certain length String from an Integer variable. This is the only way I know of at the moment, but Android Studio complains saying it won't work in all countries.
...
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ShadowMap doesn't render as expected with shader
Im currently trying to create a game where you visit planets in LibGDX for Java. To do this I use a TiledMap which is basically just an array of tiles to represent the planets themselves. To get the ...
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2answers
38 views
How to make a sprite jump up and return to original position android java libgdx [duplicate]
So I am just trying to make my game character, which is a texture (ball), to jump up in the air and then return back down to the position that it started at when the screen is pressed. I was just ...
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1answer
38 views
How do I load/use substances with libgdx?
I've been looking at some substances (.sbsar file format) but I have no clue how to load or use these files. The links I find brings me to Unity & Unreal Engine, but if I search up anything ...
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LibGDX: ExtendViewport Not Working
So I am creating a tile based game (let's just say its a replica of Civilization 2) as a final semester project for my Java class. I want the window of my game to extend as it is being resized by ...
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2answers
36 views
Libgdx: How to replace texture with shaperenderer?
I have a method that creates rectangles, it takes a texture
for (Rectangle rect : rect) {
game.batch.draw(rectImage, rect.x, rect.y);
}
The texture is simple, I could just draw ...
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0answers
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any help using LibGDX Gesture Listener?
I've been trying to use GestureListener to turn touchscreen into the effect of my dpad.
It all works pretty much, but the touch-held (or longpress) is not always working.
It mostly does work but will ...
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Lib-GDX GWT build will not load without Flash on some browsers
I am trying to load my LibGDX application. Using Firefox without Flash on a freshly installed Ubuntu system, it does not load.
I get this printed in the console:
SoundManager: No Flash detected. ...
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0answers
9 views
screen layout is fine in windowed mode (any size) but not fullscreen (LibGDX)
I've been making a 2d platform game with Libgdx but still having major trouble with my viewports. Everything works fine now in desktop mode, but when i set desktopLauncher to fullscreen (or the same ...
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49 views
wall collision using vector math
How would one go about implying wall collision a 3D scene. Like this one, that I am using in my current game. It works to certain extent but it has obvious flaws. I have tried using Bullet, but it ...
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1answer
22 views
Intersecting dynamic bodies Box2D/Libgdx
Is that normal that while I'm jumping (by a player represented with a circle) on a dynamic bodies (boxes) they are interecting? It seems that there is some kind of diffraction. Is that any way to ...
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0answers
17 views
using tiledmaprenderer in second viewport - libgdx?
Re: Using multiple viewports? help needed
I'm trying to make a platform game for Android, which will have a controller similar to a Gameboy Advance with the screen in the middle.
I have it up and ...
2
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1answer
25 views
How accurate is Gdx.input.justTouch()?
We're developing a game, we want to perform actions the moment the user touches the screen, delays make the game impossible to play.
We're testing on samsung S3 mini and samsung a5, we know they are ...
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0answers
14 views
LibGdx TiledMapPacker headless
My game makes use of the libGdx TiledMapPacker in the build process. Now, as the project grows, I want to run my entire build on my build server.
Unfortunately the TiledMapPacker needs an OpenGL ...
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vote
1answer
30 views
Using Multiple Viewports in LibGDX?? help needed badly
I've asked this question before but i am still unclear of how to do this after hours of frustration I have messed up yet another decent project I've been working on.
I had a fully functioning Snake ...
0
votes
1answer
25 views
How to add event listener to Gifdecoder in Libgdx?
I asked this question and implemented the accepted answer. One last piece of the puzzle remains, how to add event listener to the button?
I'm working with a teammate, I suggested to try Gdx.input....
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2answers
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Is it possible to use animated .gif images in lbgdx?
Is it possible to use animated .gif images in lbgdx? If not how whats the alternative? We need to include animated buttons.
When I use an animated gif, the animation won't play. This question (and ...
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2answers
58 views
Generate random point inside Perlin noise?
I’m working on terrain generation for a game of mine and has run into a slight problem. The terrain itself within the game procedurally generates as your character moves around. This means that all ...
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25 views
Changing a section of texture at runtime in LibGDX
I have a talking tom sort of game in LibGDX for android; I want to be able to replace the head of the character with an image the user provides at run time.
Any leads on how to do this?
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1answer
28 views
LibGDX How can I draw a line at a specific angle
I'm working on a 2D platformer, shooter game and I'm attempting to draw a line to serve as a guide to indicate where the player is shooting. The line should be drawn from the player's sprite to the ...
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Bug in quadtree based 2d terrain generation in Java & LibGDX
Relevant Code
Where the create quad function is called in the main application listener render game loop:
if (player.getDX() != 0f || player.getDY() != 0f) {
environment.createQuad(player....
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0answers
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Box2D crash on collision
I've got a really strange problem, that I can't solve whatever I try. So it's the following:
I have 2 body's in Box2D, one, the player is a dynamic body, the other one, an obstacle is a static one. ...
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1answer
24 views
Dynamic length increment of of an object-LibGdx
I want to implement something in my LibGdx game, where a small stick is positioned vertically.On tap,I have to increase the length of the stick with tap frequency.Later I want to rotate,perform ...
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1answer
35 views
LibGDX moving game window with mouse drag
TL;DR
How can I move window with mouse without tide effect.
Long Version
So when I tried to move my game window via InputListener(just to test if it would work). I got some strange result. The ...
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vote
1answer
25 views
How can I make my LibGDX game persist on android even if it's not the active activity
I want my android game using LibGDX to continue keeping track of events in the game, even while it's not the active window.
For example, I have a stat that reduces over time even, if the game is not ...
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66 views
Player and weapon problem in LibGDX
I am following Brent Aureli's LibGDX lessons. I have a character, and I want a weapon that moves with that character, like the below images. How do I do this?
public void defineMario()
{
...
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1answer
33 views
How to use Libgdx Accelerometer?
I am developing a game with libgdx for android.I want use accelerometer for motion control.I am controlling a coin within screen bounds.
I want to apply gravity according to device orientation as you ...
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0answers
38 views
get pixels in a rectangle
i'm trying to get the values of pixels inside a rectangle in LibGDx
but i'm having trouble converting the coordinates from the word to the x, y in the Frame-buffer
i used the code bellow :
...
0
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1answer
29 views
Checking for alignment on an axis
Suppose I have an array of 5 objects, each time the touches the screen I generate a new array and save the previous objects in another array.
Is there a way to check if the object align perfectly on ...
0
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1answer
41 views
Questions about Libgdx
This question might be naive, I'm just making sure I grasp the API. Suppose you have an array of 3 objects
Is array.get(o) the same as array.first(); and array.get(2) the
same as array.peek()?
...
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1answer
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Error suddenly when compiling Desktop on Android Studio - all projects - nothing changed - LibGDX
I have just gone into Android Studio to open a project. It will run in Android but not my Desktop configuration.
Nothing of the code has been changed and I have now tried 3 projects, also a brand new ...
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1answer
30 views
How to Refresh Dependencies after Adding FreeType Extension in Android Project
I'm planning to use FreeType fonts in my game (LibGDX and Android Studio) and I already added the freetype dependencies in my project. How can I refresh the dependencies after adding them? I have ...
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vote
1answer
29 views
Is using isTouched or justTouched multiple times bad?
Suppose you have justTouched or isTouched method multiple times in your game screen, is that bad? Is it better to create booleans and as few input listeners as possible? or it doesn't matter?
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AsyncExecutor doesn’t seem asynchronous
Introduction
I initially asked this question on Stackoverflow—being my natural habitat—but no one there appeared to know the answer, so I thought I might as well familiarize myself with the Gamedev ...
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0answers
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LibGDX Sprites won't render on Linux
I've got a problem with my LibGDX game. So, on Linux(Mint) and Android, sprites won't render. They'll show black rectangles where the texture would be. Other textures, like the tileMapRenderer and ...
