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.
1
vote
2answers
94 views
LibGDX GestureDetector touchUp
I am using to GestureDetector to detect drag gesture and determine vector based on position my finger first touched the screen and position when my finger left the screen. I already know that I can ...
0
votes
1answer
129 views
Drawing in 3D with LibGDX
Is there any way to simply draw in 3D, just like you would draw with ShapeRenderer or SpriteBatch? All I want is to draw circles that are in x.y.z coordinates, so some circles are far away from view ...
-1
votes
1answer
72 views
Creating metadata/pack files for an existing sprite sheet
I've just bought Oryx's tileset pack: http://oryxdesignlab.com/sprites/ultimate-roguelike-tileset
I use LibGDX (flixel-gdx to be precise). My question is, given this premade sprite sheet format, ...
0
votes
1answer
108 views
LibGdx : Animations not working on custom actor
I have this code for rendering a sprite, retrieved from a TextureAtlas
public class SpriteActor extends Actor {
private Sprite sprite;
public SpriteActor(TextureAtlas atlas, String spriteName) {
...
1
vote
0answers
71 views
sharing preferences between two apps on android with libgdx
I am making an android game with both a demo version and a paid version. I want users who decide to buy the paid version to continue from where they left off, with all their old data and settings.
...
1
vote
1answer
106 views
LibGDX Cross Platform Networking
Backstory:
I've been developing a game with LibGDX for the past two years, and I've seen it refactored more times than I remember.
I jumped on the iOS iKVM port as soon as it was released.
But I've ...
1
vote
1answer
68 views
How to attach one sprite to another in LibGDX?
I want to attach one sprite to another so that it is always located at the 'bottom' of the other sprite, regardless of how the main sprite is rotated.
0
votes
1answer
158 views
Deploying GWT application / LibGDX and TextureAtlas problem
I encountered with a little problem. After GWT (and LibGDX) deployment I got an error:
GwtApplication: exception: Couldn't load image '/images/objects.png',
file does not exist Couldn't load ...
2
votes
0answers
99 views
Libgdx sprite rotation (image quality)
This one is probably really simple but I didn't find a solution.
I'm trying to create a widget (speedometer) with libgdx.
For the arrows I'm using the setRotation() function.
But when the image is ...
1
vote
1answer
54 views
LibGdx: How do I combine 2 GestureListener objects from 2 seperate classes into 1 GestureDetector
I'm trying to make 2 separate classes, 1 a VirtualJoystick class and 1 a VirtualButton class. I want to implement a GestureListener class in each, it just seems like good code to do so, but when I go ...
0
votes
2answers
93 views
Vector2 always starts from origin
I am trying to create Vector2 which starts from the players sprite and points towards other point. And I need its starting point to move along with player sprite. But however whatever I do all my ...
-2
votes
2answers
219 views
touchDragged how to move a sprite [closed]
I have 1 simple sprite on the screen and I'd like to move it with the finger. (not necessarily by putting the finger on it, just anywhere on the screen)
I built the project using gdx-setup-ui.jar ...
0
votes
0answers
82 views
fire multiple events in InputListener
I have two Actors on my stage in libgdx and and both have a InputListener. I override the touchDown method and it works fine. My Problem is that when I press my Actor Z and a second later Actor Y only ...
0
votes
1answer
73 views
Stereo music playing in mono in libGDX
I'm trying to get some music to play back in stereo in libGDX, but it seems to be blending the left and right channels so much that it sounds like it was mono.
To test this out I made a sound file ...
0
votes
0answers
72 views
Twine Engine with Libgdx
I am new at game development and want to know how can I implement twine engine in 2D games built in Libgdx ?Any tutorial or sample code can help me.
0
votes
2answers
164 views
How to I rotate a triangle by dragging the mouse in libGDX?
More specifically, I have rotation working in a way I don't like as follows:
//Draw the triangle using this draw method
//batch.draw(texture, x, y, ...
0
votes
1answer
248 views
perspective camera with libgdx
I am trying to setup a viewport using perspective camera. I am trying to render a scene like this
I read an official blog post about the cameras and found a few tests within gdx test suits. ...
0
votes
0answers
58 views
Get the position of a tile when using an IsometricTiledMapRenderer
I am using an IsometricTiledMap, and would like to use a stage to display my actors on it.
How can I obtain a position in the Stage context from the index of a tile ?
Or maybe is there a way to setup ...
2
votes
1answer
98 views
Camera not strafing (GLSL)
I use this code in my GLSL vertex shader, where v_position is the vertex position:
gl_Position = v_position * u_camera;
and set u_camera as follows:
meshShader.setUniformMatrix("u_camera",
...
0
votes
1answer
68 views
Dependency setup between libGDX projects in Eclipse IDE
For my game I'd like to create another project that extends the functionality of libGDX and since it will be an independent project it could be easily reusable. How can I achieve this in Eclipse IDE? ...
3
votes
2answers
134 views
How To Correctly Extend the Sprite Class in LibGDX
I am currently pursuing game development as a hobby, and have run into what seems to be a conflict in my mind regarding how to properly (using best practices) extend the Sprite class in LibGDX (or for ...
0
votes
0answers
59 views
Loading .mtl file as in libgdx
I am trying to load .obj file and its respective .mtl(material or texture) file in libgdx. Is there any way of doing it. And i am using kibgdx 0.9.7 version.I am looking for any examples or any ...
0
votes
0answers
98 views
Texture not rendered correctly while zooming in LibGdx
I'm trying to make a game with libgdx which can run in multiple aspect ratio. The idea is to zoom in/zoom out the camera until the height of my screen same as the device height (my game is landscape). ...
1
vote
1answer
180 views
Tiled map seen from an angle
I have working code to display a tiled map. It's composed of a OrthogonalTiledMapRenderer and an OrthoGraphicCamera :
camera.setToOrtho(false, WORLD_WINDOW_SIZE.x,
WORLD_WINDOW_SIZE.y);
...
0
votes
3answers
278 views
Implementing a basic jump in libgdx
I have seen the document for libgdx and managed to move the character and also to implement bounds but the document does not show how to implement jumping.
I have downloaded the superjumper demo code ...
1
vote
2answers
112 views
Moving Sprite With Physics Frame
Normally, a physics frame in pink (see image below) gives the body for detecting hit signal. It usually either falls down or lifts up depending on the gravity orientation. The question is: Is it ...
5
votes
2answers
293 views
Is it legal to pack LibGdx libraries in my jar file? And to obfuscate them?
I'm using LibGDX and deploying a runnable jar file, using the Eclipse feature, with libraries extracted into it. There are also .so files and .dlls inside.
1 . Is it legal to do so? I didn't find ...
1
vote
1answer
329 views
How to render a tilemap efficiently? [duplicate]
I'm using this code to load a tiled map, composed of 1000x1000 32x32px tiles:
map = new TmxMapLoader().load("levels/xyz.tmx");
camera = new OrthographicCamera();
camera.setToOrtho(false, ...
-2
votes
1answer
154 views
How do I make a ship fire shots?
I am making a Galaga-like game. How can I make the ship fire gunshots? What logic do I need to make it work? I am using libgdx to develop the game. I have gotten the ship and an enemy on stage, ...
1
vote
2answers
330 views
Common practice when handling sprite animation
Let's say I'm using the following sprite as a sample to try LibGDX Animation and TextureRegion.
http://www.smackjeeves.com/images/uploaded/comics/7/8/78bc6b62fEySW.gif
As you can see, the provided ...
0
votes
3answers
124 views
How can SpriteBatch use a single texture/asset as multiple independent objects/instances
I'm using LibGDX to create a game, but I'm encountering a problem with SpriteBatch. Whenever two objects that use the same image for their sprite come onto the screen, the new object replaces the old ...
0
votes
1answer
136 views
Libgdx import bin/xml/json from physics editor
I'm using Libgdx. I did a simple json file in Physics Body Editor and I don't have any idea how could I import it into my physic world in libgdx.
Any idea will be appreciated.
P.S: Sorry if there ...
3
votes
2answers
184 views
Creating stable tentacle structures
I am using verlet integration to simulate some tentacles. So far it works great and I am satisfied with how it looks in general. Here is how a tentacle is built:
The very stiff sticks are colored ...
0
votes
1answer
59 views
Merging InputProcessor and GestureDetector
I'm planning to make a simple soccerball app. When I attempt to drag the ball, I use the touchDragged() from InputProcessor to move the ball left or right. Next, while holding before releasing, I use ...
0
votes
1answer
454 views
How to implement bullet physics in libgdx
I am new at game development want to know that how can I implement bullet physics in libgdx. I searched lot of things on Internet but nothing found worthy.
3
votes
3answers
189 views
Libgdx body passing through block then fall on it
I'm using libgdx and its physic engine Box2d. My question is : how could I make my box2d body go through a block , ignore the first collison than make the block active so the ball can fall onto it. A ...
3
votes
1answer
119 views
Cut a translucent square in a texture
How to remove (cut-out) a transparent rectangle in a Texture, so that the hole will be translucent.
On Android I would use the Xfermodes approach:
...
0
votes
1answer
131 views
Pick and Drop the Ball Testing Without Replicating the Physics Frame
I am making a program that pick, drag, and drop the ball. In real life, once you pick the ball and drop it, whenever the available object is (what you see is what you get) will only be picked and ...
4
votes
1answer
346 views
Mario like jumping and landing in box2d, help
I've been trying to get Mario type jumping/landing in a Box2d game and it's been giving me some trouble.
Results: Player loses velocity on landing
Desired Results: When player lands it will continue ...
0
votes
1answer
278 views
LibGDX Perspective Camera for 2D
I'm very new to LibGDX and I'm trying to use DecalBatch with PerspectiveCamera, simply to have z-coordinate for my sprites, as SpriteBatch does not offer that. However, I don't know how to calculate ...
6
votes
1answer
182 views
How to force a line break before the last word of a line reach the edge?
I'm printing a sliding text by adding each letter after a short period of time. My problem is that when the text multilines, the last word of a line starts on the current line and jumps to the next ...
0
votes
0answers
51 views
Freetype runs on Simulator but crash on device in IOS using Libgdx
I am using Libgdx to build my game for IOS. I followed the steps in http://www.badlogicgames.com/wordpress/?p=2819 to implement FreeType in my game.
My code is running on simulator but when i run it ...
0
votes
2answers
484 views
LibGDX Swipe Detection Left and Right
I have displayed an image at the center of the screen with libgdx. If I swipe left, the image should move to the left; and, if I swipe right, image should move to the right.
Subsequent swipes to the ...
0
votes
1answer
138 views
Using compressed(ETC1) textures in LibGDX
I use standard android tool for compressing PNG texture and archiving it with gzip:
/android-sdks/tools/etc1tool texture.png --encodeNoHeader
gzip texture.pkm
Then I try to load it:
FileHandle ...
5
votes
4answers
412 views
Making a Box2D ball bounce to constant height
I want to create a game like Doodle Jump. I'm using libgdx and Box2d. I needadvice on how to make my ball bounce constantly and with the same height.
I've tried setting the ball's body restitution ...
1
vote
1answer
601 views
When to use ShapeRenderer & SpriteBatch in libGdx?
As a beginner(in GdxLib+Android), i found that for rendering particular screen, we can render that using both ways then when to use specific ones?
&
What is the best option for Updating the ...
0
votes
1answer
68 views
Eclipse/LibGDXgame doesn't load textures [closed]
Our LibGDX project doesn't load textures after building on PC/Android but when it's built from Eclipse using Ctrl + F11 (Run/Debug) everything is fine. What could be causing that?
2
votes
1answer
294 views
ShapeRenderer efficiency on games
I want to draw a rectangle box to use as a text background for a visual novel library I'm writing, I wanted some flexibility of color and transparency and the ShapeRenderer class seems to fit the need ...
2
votes
1answer
161 views
Not repeating background in platformer [closed]
I need to make not repeating background for platformer. I can't find any description of implementation and I developed algorithm but I'm not sure that it's right.
I can't load one big texture per ...
1
vote
2answers
142 views
What to use as a Box2D renderer in a release version?
I'm creating a game with libgdx. For testing physics I use a Box2DDebugRenderer, which is not fast. When I want to release my full game, what should I use as a renderer?
