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.
0
votes
3answers
118 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 ...
4
votes
1answer
319 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 ...
2
votes
1answer
735 views
Is there a way to use the facebook sdk with libgdx?
I have tried to use the facebook sdk in libgdx with callbacks, but it never enters the authetication listeners, so the user never is logged in, it permits the authorization for the facebook app but it ...
1
vote
1answer
165 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);
...
3
votes
3answers
180 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 ...
0
votes
3answers
234 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
110 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 ...
4
votes
2answers
2k views
Advantages and disadvantages of libgdx
I've been an android developer for a while and am thinking about getting into gaming. While looking for a game dev framework, I thought libgdx provides very friendly documentation and functionality. ...
5
votes
2answers
247 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
280 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
151 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, ...
3
votes
1answer
113 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:
...
1
vote
2answers
250 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
1answer
54 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
2answers
386 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
329 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.
1
vote
5answers
2k views
Port libgdx application to iOS
I made my game using libgdx which is a cross-platform framework which supports desktop, Android and html5 (using Google Web Toolkit). What could be a possible route to port my game to iOS?
0
votes
2answers
886 views
Libgdx Animation Timing
I'm having a small issue with libgdx animation.
I'm using getKeyFrame() to get the current frame of the animation and I'm updating the state time by adding on deltaTime in my update function for the ...
6
votes
1answer
147 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
41 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
1answer
122 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
369 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
280 views
Repeat texture in a scrolling game
The bottom region of the screen is filled by a repeated texture:
grassTexture = new Texture(Gdx.files.internal("images/grass.png"));
grassTexture.setWrap(TextureWrap.Repeat, TextureWrap.Repeat);
...
2
votes
1answer
244 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
182 views
Help on TileMapRenderer
In my project, I'm trying to render a map using TileMapRenderer. But it doesn't show anything when I render it. But when I use some other files from a tutorial they are rendered correctly.
When ...
2
votes
1answer
152 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 ...
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?
1
vote
2answers
134 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?
0
votes
1answer
79 views
Devices or Smartphones That Can Run and Displayed Images Properly While Power of 2 Code is Disabled
Before making game apps, I want to have any certain smartphone device brands that runs on OpenGL. I have to make a code for images that doesn't need to required power of 2 images so that I can resize ...
1
vote
2answers
196 views
Render rotated rectangle inside other rectangle bounds using Libgdx
I have this code to generate a red rectangle inside a grey rectangle:
new Rectangle(grey_rectangle_position_x, Game.SCREEN_HEIGHT/2-Rectangle.height/2,0);
This code makes the following:
Now, I ...
0
votes
1answer
159 views
Ligdx Box2d : convert box2d coordinates into screen coordinates
I'm new in libgdx and i have a little problem. I created a body in box2d and i want to assign it a sprite; for that i need to get the position of the body,then insert into the main loop the updated ...
-1
votes
1answer
190 views
creating popup like window in android using libgdx [closed]
I am developing a game in which i want to open a popup window having some buttons and upon selection of the button i want to close the popup window and do some specific task in original screen.how do ...
0
votes
0answers
105 views
Black Screen on pressing back button in libgdx
In my game when i touch on advertisements and press back button to return on game the i am getting a black screen. I referred this link
http://badlogicgames.com/forum/viewtopic.php?f=11&t=7673
I ...
0
votes
0answers
255 views
Libgdx Particle Editor: Blank UI elements
How can I get Libgdx Particle Editor to run properly on my 32-bit Windows 7 machine? When I run it, the UI elements are blank like this:
1
vote
0answers
962 views
Creating live wallpaper on Android with libgdx [closed]
I try to create live wallpaper with libgdx framework. Here's my source code: repository
When I run this, black screen with name of the app appears (probably empty android layout). Main game is not ...
0
votes
1answer
151 views
Coordinates different between Tiled editor and my game
So I have been using Tiled map editor to create my map for my game. I'm using Libgdx to load and draw the map.
The problem is that the coordinate from objects placed in tiled do not seem to be the ...
0
votes
0answers
230 views
Set sprite on box2d body [closed]
I don't understand how to do this... I have seen some tutorials about it, but it was not helpful for me...
Thanks in advance!
Here is my code:
public class Level_1 implements Screen {
Untitled ...
1
vote
1answer
153 views
Terrain detection on racing game
Hi I don't speak English very well so ill try to do my best :P
I'm doing my first top-down racing game for LibGDX, now I need to create tracks, the tracks aren't very large, I prefer doing this with ...
1
vote
1answer
183 views
Saving and Loading the Game (Automatically or Manually) via Internal Storage Only (Tablet PC Issues)
Here is my question. When making a game app for Android, I considered first the device. It's no problem to save progress everything (from levels to records) on a smartphone because it has an SD Card ...
8
votes
2answers
281 views
How well do functional languages perform on Android?
This is a special case of this question that I feel is particularly pertinent.
I'm working on a game for Android, and I'm planning on using Scala with libgdx. I'm planning on making a performant ...
3
votes
1answer
147 views
Fill texture with white color
How to paint texture with white color? Example what I mean:
SpriteBatch.setColor changes tint only.
0
votes
0answers
114 views
Fling and Spin an Object with Touch
For making a bottle to spin, I focused first on the touch dragging via input processor interface. It's a bit unresponsive since when I rotate clockwise or counter-clockwise as long as my finger ...
0
votes
0answers
282 views
Limited Screen Switching Count Memory Issue
When making my simple app for revisions to update the latest changes, I test it first between the device (Google Nexus 7) and desktop using Eclipse IDE. I made eleven screens for the game in terms of ...
1
vote
0answers
51 views
Another Question from the Image Efficiency for Memory Handling
At this topic, "Which image format is more memory-efficient: PNG, JPEG, or GIF?", one of the fellow Game Development community @Panda Pajama told about the complex concept about image memory handling ...
0
votes
1answer
241 views
Can I develop libgdx game with C#?
I see some articles through Google that I can use libgdx in C#. Is it true? I found no official and unonfficial about this. If there is a way, please tell me how. Thank you
-2
votes
1answer
89 views
Music and SFX Question on Memory Efficiency [closed]
What should I recommend: MP3 or WAV for the SFX? Also, what should I do to handle the memory in music or SFX?
3
votes
1answer
453 views
Getting Bodies to go “Super Fast” in Box2D
I am making a breakout game in Android using the LibGDX version of Box2D. I have a ball that I am applying a force to with the following code...
getBody().applyForceToCenter(-10000000000.0f, ...
0
votes
0answers
152 views
Android LibGDX Pixmap issue
I'm developing a game for Android using libGDX. I implemented "spotlight effect" for highlighting some scene elements in tutorial levels. I did use Pixmap class for implementing this. So I did ...
0
votes
1answer
132 views
Changing the texture in a Sprite
I'm a bit new to libGDX. My problem is ,in my code, only if I set the texture in the constructor of the Sprite instance, it will draw anything. My question is shouldn't it be working when I only call ...
2
votes
1answer
335 views
How to fire a touch event only for the touched sprite?
I have a set of sprites, each one implementing InputProcessor, and registered to an InputMultiplexer, when a sprite is touched, everyone fires the touchDown event.
Ok, so I can get the touch ...
