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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box2dlights confuses ScreenUtils for screenshots in libGDX

I take screenshots as usual in libGDX via ScreenUtils.getFrameBufferPixmap(), which works fine. Hoever, when I call RayHandler.updateAndRender() during rendering, then the screenshot only contains ...
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1answer
69 views

Libgdx Box2D and Screen Viewport Scaling

I am currently having problems getting an easy to manage system of scaling my units for use with box2D. Normally I would create virtual units to go along with me viewport and camera but since I am ...
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1answer
44 views

How can I adjust my code to make the objects start dropping at a certain speed and then increase that speed over time?

I'm making a game in LibGDX where the player dodges falling objects. At the moment, my code makes each object (in this case 'DROPS') fall at random speeds. I'm wondering if anyone can suggest how to ...
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2answers
2k views

SpriteBatch being drawn outside of Stage?

Currently working on my first game, though running into some problems with libgx and screen aspect ratio. What I have is a Stage which contains things like menu buttons etc, and the rest of the game ...
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1answer
28 views

switch between player camera/non-camera positioning

Sorry if this sounds ambiguous. But I am writing a traditional top down game. And normally the player would be centered in the middle while moving the orthographic camera. However, I would like this ...
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1answer
30 views

Libgdx Sprite is not drawn when generated inside another class

I´ve built a gameloop where I generate new items depending on the elapsed time and want to place them somewhere on the screen. I use some randomness for the color and coordinates. For better design I ...
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0answers
16 views

LibGDX with GWT ignore source file changes

I'm using LibGDX with GWT to create a web version of an app that runs without problems on the desktop, Android and iOS. However, the HTML version of the app had a few problems with constructs ...
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0answers
19 views

libGDX TextureRegion drawing weird when scaled

Having a weird issue. I have a Texture with four frames of a sprite Animation. Each frame is loaded as a TextureRegion. Most of the time the Animation play without any issues, but occasionally it ...
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1answer
59 views

Libgdx Hud with two stages

I have an app that's currently working with a single stage but i need to add a side display/section as a HUD, with scores/lives etc on it, so that the HUD is on the left, and the main hand screen on ...
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2answers
28k views

Where are all the tutorials for libGDX? [closed]

I've searched online for help and tutorials on LibGDX but I couldn't really find any, except and the wiki for asking questions on stackexchange. Besides the source (demos) and wiki, is there any other ...
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22 views

Is there a way to rotate an Ellipse in libGDX for collision detection purposes?

I'm trying to avoid having multiple overlapping Circles for a UFO-shaped sprite. Two Ellipse objects will perfectly cover the shape of my UFO, but I want to tilt/rotate the UFO when flying left and ...
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0answers
21 views

How will i know if the Body is facing a the target angle [duplicate]

I want to know if the body of the car is facing the line on the picture
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1answer
109 views

Mouse coordinate conversion Libgdx

I have a camera: //Map is a my object that wrapper of TiledMap class In the create method: this.renderer=new OrthogonalTiledMapRenderer(this.map.getMap(); this.camera=new OrthographicCamera(); ...
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1answer
103 views

LibGDX - Accelerometer Problems

I got some issues. I'm using LibGDX. When I hit an object, my Fighter is supposed to fall to the Ground. BUT, because of the Accelerometer, i can still move it up and down eventhough it died. The ...
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0answers
12 views

Need suggestions about dealing with different screen sizes on android [duplicate]

I always wandered how can one make a game for different screen sizes. I'm guessing that you can use different sized images, but there are large amount of screen resolutions and making pictures for all ...
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0answers
16 views

libGDX SpriteBatch.draw() origin not working as expected

I'm having a weird issue with SpriteBatch.draw(). I'm using the Ashley Super Jumper demo (https://github.com/siondream/ashley-superjumper) as the basis for my code. Here's the render queue: ...
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2answers
57 views

Can't work with universal tween engine while having added it to gradle

I'm actually developing a game with libgdx and I'd like to create a splash screen. To do this, I must use the Universal Tween Engine. To add the Universal Tween Engine, I followed the instructions of ...
1
vote
1answer
321 views

Multiple enemy array in LibGDX

I am trying to make a multiple enemy array, where every 30 secods a new bullet comes from a random point. And if the bullet is clicked it should disapear and a pop like an explosion should appear. And ...
0
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1answer
22 views

Clearing a libGDX pixmap

Is there a way to clear a libGDX Pixmap? Or is the only way to dispose it and create a brand new Pixmap?
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1answer
371 views

How can I implement online high score in LibGDX?

I found some posts that said to use Google Play Services. What about other platforms? Is their some libgdx library that I can use to implement it in core section or do I need to write separate score ...
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0answers
27 views

Bullet Collision Shape doesn't wrap Model correctly

i got an object called human and an object called platform. I simply let the human fall down on the platform with a constant speed. No acceleration! The problem is that my collision shapes for both ...
0
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1answer
65 views

Loading TextureRegion with filter diff from that of texture it came from

I am using libgdx . While packing my texture atlas I have set the filter for mag and min to Nearest . But for just one region I wish to draw it with linear filter . Is it possible to have different ...
1
vote
1answer
78 views

Implimenting BADLAND like Body Movement in Box2d

I am trying to make a body (character in my game) move and behave in the same way as the character in the BADLAND Game with regards to rotation. The character does not have fixed rotation and behaves ...
0
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1answer
21 views

Valid instances not drawn

i have a problem with my code, my valid instances aren't drawn. I'm just at the beginning so i will post the whole code(which sounds bigger than it is)..just a few lines public class MyGame ...
0
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1answer
25 views

How do I draw an object that I always want to appear in the same place on screen on a scrolling orthographic camera using lib gdx?

So I want to make an endless scroller game and the orthographinc camera is scrolling downward so i want the character to stay with the camera. I'm not sure how to aproach this i've been looking a lot ...
0
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2answers
40 views

how to fix the character flip when using orthographic camer libgdx

i used orthographic camera to follow the character(player) but the problem that is my character is flipped there is no tutorials on how to fix this please help as fast as possible here is my create ...
0
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1answer
76 views

Move Box2D body towards mouse click

In a top down game using Box2D, I would like the player's Box2D body to rotate towards the mouse click, and then move to a point on mouse click (move, not teleport). I have worked out the rotation ...
0
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1answer
101 views

libgdx universal tween engine how to control the tweening speed?

How can i control the speed of a tweening sprite? Here is the code: in create () /*try tween*/ w = Gdx.graphics.getWidth(); h = Gdx.graphics.getHeight(); ...
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0answers
15 views

invisible actor at group (libgdx)

I add to HorizontalGroup several actors: 1, 2, 3. I want to set invisible 2nd actor, and it doesn't take any space (seems in Android View.GONE - ...
1
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1answer
111 views

LibGDX Box2D TileGame Efficiency

I am trying to implement Box2D into my top down tile game in LibGDX. Each world consists of a set of chunks, and each chunk is 16 tiles wide/long. The maximum/minimum chunks loaded at one time is 9 (a ...
0
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1answer
37 views

libgdx - Box2d debug draw not correct

I have a problem where the bodies in my debug draw does not draw correctly, take a look: As you can see, there is some space between the dynamic body and the ground. I have checked the contact ...
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0answers
30 views

how to detect collision with libgdx and tiledmap [duplicate]

As you see , it's a picture from my game map , i have to create a 2d rpg game when a character can do many things. Currently i'm looking for a solution to handle collision between the character and ...
0
votes
1answer
846 views

libgdx actors and instant actions

I'm having trouble with actors and actions. I have a list of actors, they all have either no action, or 1 sequence action This sequence action has either : a couple of actions (some are instant, ...
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votes
1answer
97 views

Libgdx, how do i get the translation and rotation of a node from a model instance?

I have a model instance of a character, and a model instance of a sword weapon. THe character has a node on his right hand so he can "carry" the sword. Right now I use this code so the sword's ...
0
votes
4answers
343 views

What is the easiest way to make an object follow the edge of a sprite?

I have a rounded rectangle sprite and another sprite that's just a circle. I want the center of the circle to follow the edge of the rounded rectangle. Is there any easy way to accomplish this task? ...
0
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0answers
7 views

Loading flipped atlas in libgdx using assetmanager

i'm trying to load a TextureAtlas with the AssetManager but i can't find a way to flip it upside/down. Without using the asset manager, this is possible by using the standard constructor of the ...
2
votes
2answers
780 views

LibGDX keep camera within bounds of TiledMap

I have a simple TiledMap which I can render fine. I have a player hopping (with Box2D) around and my camera follows the player around: cam.position.set( player.position().x * Game.PPM + ...
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0answers
33 views

Libgdx triangulation messing up triangles

I'm trying to triangulate a convex polygon. On the left are the triangulated polygons, while on the right is the convex polygon without triangulation. (both are wrong) but the one on the right is ...
0
votes
1answer
104 views

libGDX new TextureAtlas(filename) and new Texture(filename) drawing stale image data

I'm trying to draw an image using libgdx but no matter what I do, libgdx seems to insist on drawing a portion of an image I had loaded and used in an earlier game screen. In my current game screen ...
0
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1answer
65 views

Smooth transitions between 2d animations

I am writing a 2d game (in libGDX, but I think that doesn't matter too much). In that game I want to have smooth transitions between animations. For example, let's think of a guy walking around. Now ...
0
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1answer
50 views

Libgdx with Scala: Overwrite listener

I try to learn Scala the fun way, with a little libgdx project. Now I'm somewhat stuck: val go = new TextButton("Go", style) go.addListener(new ClickListener() { override def isPressed() : ...
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0answers
12 views

Libgdx ParticleEffect world position

I want the particle effect to follow an object in the world, but since the particleEffect uses viewport positioning the desired effect is lost as soon as the camera starts following the object. the ...
0
votes
1answer
60 views

Trying to add a feature to my (basic) level parsing algorithm - not sure how to (JAVA)

Right now this method goes through a list of GameObjects (e.g. JetPack, Platform) with their respective x and y positions in a text file called level1.txt: platform 840 280 platform 1130 280 coin ...
1
vote
1answer
40 views

Rotating towards a point in Box2D

I'm using Box2d as my physics engine and I'm trying to solve what would normally be a simple problem but what has become a nightmare for me and preventing me from finishing my app. (6 months work) ...
0
votes
1answer
30 views

LibGdx Scalling sprites on Android

I have a sprite that is a few buttons but need them in the center of the screen for all android devices. I tried setting it's location to the center of the screen by dividing the orthogonal camera by ...
0
votes
1answer
40 views

Tiled PolygonObjects rendering wrong in libgdx

this is how I render the polygons in Tiled this is how they get rendered in libgdx. Notice the top part of the triangles is straight instead of being hollow. here is the code I use to convert the ...
1
vote
1answer
116 views

box2D and libgdx: Attach ParticleEffect to Body

Hello I am a newbie with libgdx, my question is: how could I add a Particleeffect to a Body that is moving? I searched about the matter and I didnt find anything related to it. I have the following ...
0
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1answer
324 views

libgdx ActorGestureListener.pan() parameters not moving actor in smooth line

I override the pan method in ActorGestureListener to implement dragging actors in libgdx (scene2d). When I move individual pieces on a board they move smoothly, but when moving the whole board, the ...
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0answers
8 views

How to specify core project path in Libgdx Project Generator?

I am following a tutorial on making a flappy bird with the Libgdx framework. -http://www.kilobolt.com/day-11-supporting-iosandroid--splashscreen-menus-and-tweening.html I am currently on the step of ...
0
votes
2answers
67 views

Downscaling an asset, still pixellated?

I created a rounded rectangle in photoshop, and I rasterized the rectangle before I saved it. Yet, when I try to use the rectangle in libGDX, it looks pixelated. How can I make it so that it's smooth? ...