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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Unable to draw tabular view for images in libgdx

I am trying to draw a table of images using images from my asset folder. However I always get a blank black screen.If I replace the images with textbuttons, then I am able to draw the buttons in ...
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1answer
20 views

Libgdx music is not working properly

I finished my game programming but I have small problem, please help me I want to finish it completely. I am starting background music when the user goes to the PlayScreen and when the kid in the game ...
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1answer
27 views

LibGDX - FPS drops

I've been trying to record some gameplay footage of the game I'm currently working on, using the Android SDK and ADB to do it. Whilst the game runs at constant 60 fps in my medium-end phone, as soon ...
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10 views

Libgdx - notification popup (something like Toast) - on both Desktop and Android

I'm trying to implement a notification system with LibGDX. As we know, Android has it's Toast which is great, but I can't use it in Desktop mode. I tried extending Dialog etc, adding as an actor and ...
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13 views

Libgdx Music is not working again

I am starting background music when the user goes to the PlayScreen and when the kid in the game dies, the background music stops and starts game over music and move to game over screen, then the user ...
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14 views

Libgdx Scene2D Table background not whowing up

I am using Libgdx's Scene2D API to build by UI and everything has been working as expected until now. I created a Skin and a TextureAtlas and linked them as so: Skin skin = new Skin(); TextureAtlas ...
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13 views

Libgdx Ending level is not working properly

In my game the kid is collecting fruits but if he hits the rock 3 times or time is up before collecting the required points, the kid will jump to the half of the screen then fall down and start fail ...
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1answer
15 views

LibGDX, vertical group not displaying

I'm having trouble showing a simple custom VerticalGroup. Here's my SideBar class: public class SideBar extends VerticalGroup { final GameManager gameManager = GameManager.instance; final ...
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37 views

Libgdx Creating On Screen Controls

I am working on libgdx.I am using this example https://github.com/oakes/libgdx-examples/tree/master/SuperKoalio/core/src/net/sekao/superkoalio to create a game. I want to add controls on the screen, ...
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1answer
40 views

2D Bounding box for collision detection - alternate shapes

I have objects in my game such as clouds and stars. I have given the bounds for them in rectangle format. The images are not rectangular, although the collision boxes are. How can I implement a ...
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2answers
44 views

Textures are not drawn separatley

I am trying to draw different textures of balloons and I want them to appear in different times about half second between each one, and move in the world. first balloons are rendered but after about ...
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1answer
25 views

Libgdx Image doesn't fit the Screen

I am Trying to show Image as background, but it doesn't fit to the screen. When I use this class as the start screen it fit the screen properly but when I call this class after winning the level, the ...
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1answer
46 views

Check collision between two rectangles - libGDX

I'm making a game in which the objective is to collect the maximum amount of balls(Rectangle) to get the highest score. The balls spawn randomly from the middle of every side of your smartphone, and ...
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18 views

Match the circles

I have decided to create a game "Match the circles" as a way to get more familiar with android game development. Thus far, I am not using an Engine. I am using android core classes; So I created a ...
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1answer
45 views

Use Stage's draw() method to invoke Actor's draw method in Libgdx

Question : In the following snippet, I wish to draw different shapes such as rectangles, circles, triangles etc. I will be creating different class files for each of such objects, as I did for ...
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2answers
55 views

LibGDX - Collision detection between all bullets and all enemies

I'm trying to make a collision detection system between the player's bullets and all the enemies on screen. So far I had something like this: for (Bullet bullet : hero.getPistols().getAllShotBullets(...
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33 views

I want to make a pie countdown timer in LibGDX

How would I go about making one of these in LibGDX? The number in the middle isn't necessary. And to make it clear, I'm not looking for an implementation or a "hand out" of source code. Just point ...
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2answers
38 views

Black lines on sprites

I am having the issue as seen below while using a textureAtlas with libgdx. I haven't found anyone else with the issue so I decided to ask here. Here is an image of the textures in the game screen: ...
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0answers
18 views

(LibGDX) Any Good Librarys or some thing for saving and reading data from a file [closed]

I'm going to add a add a library or a system that will save or read data from a file, but i couldn't find any that will work with my project. -I want it to save it in a human readable language example:...
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23 views

libGDX vs. SDL (Android) [closed]

What is the best choose for Android game development: libGDX or SDL? We are planing to create MMO RPG (top view) (networking required). On libGDX you can build (in my opinion) much faster working app, ...
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2answers
34 views

Libgdx Back button exit the app

when I press back button on android, it exits the game although I ask it to go to other screen instead. It goes to the other screen for one or two seconds then it exits.: if((Gdx.input.isKeyPressed(...
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1answer
33 views

Libgdx if statement is not working well

I am trying to make the player die when it hits the rock or the time is up and the score is not reached, in this code at the first if statement it works when Rockhit is true, the player jump and ...
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34 views

I'm unable to stop the background music when i jump from one activity to other

I'm developing a game in libgdx . there is a menu screen in the game along with some background sound. the problem is when i jump from the menu screen to the game play screen the background sound is ...
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30 views

Different Box2D bodies act differently and unexpectedly with same mass

I have a box2d body which is simply a rectangle (the spaceship). This ship flies around, affected by the gravity of planets (static circle bodies) just fine. I have tried changing the ship fixture ...
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1answer
38 views

With LibGDX how is it okay to use Fonts statically?

I am working on a engine/framework/game in LibGDX as a baseline for future Java games (really lightweight and stuff, just gamestates, entity framwork, physics, font, etc), but I am unsure of how I ...
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12 views

Setting useImmersiveMode to true makes a moving sprite blink in a LibGDX game

I'm developing a simple game where i have gravity and a body which jumps when i touch the screen and a sprite displaying in its position. All is good until i set useImmersiveMode to true on ...
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1answer
141 views

Creating puzzle on libGDX

Good afternoon. Help me please to add the code for the game. This game is puzzle. Everything works good, but I would like to have not just ordinary puzzles with numbers, but also the puzzle with a ...
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21 views

Hills / Rounded Terrain Generation in libGDX

I'm trying to make a game that has rounded 2D terrain like hills, etc. Im familiar with creating and rendering 2D Rectangles using the ShapeRenderer, but i need some "Get Started"-Help on how to ...
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26 views

How does game engine in language A and game logic in language B work? [duplicate]

What I'm trying to understand. A lot of games, Like Crea by Siege games and Viking Squad by Slick Entertainment. Uses of course an graphics library/engine for there game but one language ...
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1answer
20 views

Libgdx change the image inside table dynamically

I am trying to draw a HUD that shows the score and time and image like loading but I want to update and change the image when the score get higher but I tried to do that but it is not working. I ...
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0answers
9 views

libgdx : starting animation disables imagebutton

I am playing an animation on clicking an imagebutton in android. Both the imagebutton and the Image for animation are actors on same stage. Animation plays perfectly, but the issue is after the ...
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1answer
25 views

LibGDx android : Show animation on button click

I am trying to create an application using libgdx where i need an animation to be played on pressing an image button, i've been able to achieve it using this code if(slapBossFlag==true) { ...
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1answer
26 views

LIBGDX font.draw() makes letters blink on PC

I load Bitmapfont then try to draw it, but on PC(desktop) build screen blinks with frequecy that I can judge that backbuffer is not drawn. On Android all is fine, I don't see blinking. I simply do ...
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Game freezing when i create a body Box2D Libgdx

I'm implementing a Worms game using libGDX and Box2D and I'm having a problem I didn't have until recently. When a player shoots, it creates a bullet body and applies a force to it. I have a step ...
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1answer
20 views

How to change the way LibGDX scales images?

I'm using FillViewport and OrthographicCamera. LibGDX is scaling my images rather badly - jagged edges, visible pixels. How can I change the scaling method? by the way, I'm pretty sure the issue isn'...
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0answers
7 views

Should I boost run task via disabling TexturePacker?

I decided to create textures with keeping in mind that the largest screen resolution that my game will be working with is 1920x1080. So, menu background texture in my game will be always 1920x1080. ...
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2answers
39 views

Should I have one asset manager and unload and load with different gamestates? Or should I have one for each gamestate?

I am working on a LibGDX game and I would like to find out the best way to manage assets. Should I have one AssetManager that is passed through to my GameState init() method to load from each level, ...
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0answers
107 views

How to correctly implement 'layered lighting' with Box2D-Lights

How does one only allow Box2D-Lights to affect one and only one OrthographicCamera. After researching, I found the following answer. This answer goes into detail about how to prevent one camera from ...
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5answers
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How can I give the illusion of height to a ball in 2D?

In 2D top down soccer games, sometimes a ball is given the illusion of being in the air, like below: How can I achieve this?
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2answers
157 views

2D Platformer: add ability to jump on top of other character

I want to add ability to jump onto a head of other character/player, but still be able to go through them horizontally. There is one useful tutorial about one-way platforms, but that approach doesn't ...
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1answer
26 views

Sprite update issue

I'm currently implementing Box2D with LIBGdx and i'm having issue on update, as you can see on this video : https://www.youtube.com/watch?v=D3Nph6yftTQ whenever my player move or the camera move the ...
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0answers
26 views

Libgdx game doesn't work correctly after game over screen

So, I am trying to create a platform game for Android. As part of the game, I have created ladders that the hero is climbing. When he hits the enemy he dies, there is a game over screen --> touch to ...
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0answers
26 views

how to display texture with circle rectangle

I want to display a texture with circle rectangle to fit it's background.after a couple of hours of google,i can't find an satisfied answer .so,anyone can help me . thank in advance!
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1answer
33 views

How to normalize angles from points in java

Previous thread on projectile slopes What is the velocity of a translating projectile in 2D? What I'm trying to do Get the slope at a constant speed for both X & Y Coordinates though I don't ...
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2answers
73 views

What is the velocity of a translating projectile in 2D?

What I'm trying to do. So I want to have a projectile that starts at point (x1, y1) and head in the direction of my mouse say point (x2, y2). To clarify I'm pretty sure it's a vector but I don't ...
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0answers
25 views

How can I make an animation in LibGDX?

In my game the player is running away from enemies and when he can't keep up the speed anymore I want the enemies to fade in from the side of the screen as the player is still running as show in this ...
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41 views

2d platformer distance-based collision bug

I'm writing a 2d platformer collision algorithm, and I have everything almost working, except for one last remaining bug. I do collision by measuring the distance between the player's center and the ...
4
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1answer
70 views

Move Sprite in constant speed on squircle

I'm creating a game and i need to move a sprite on squircle path. https://en.wikipedia.org/wiki/Squircle i created the path using the equation : angle -= Gdx.graphics.getDeltaTime()*speed ; ...