Java is both a popular object-oriented programming language and runtime environment which allows Java programs to run unchanged on most hardware and software platforms.

learn more… | top users | synonyms

8
votes
0answers
200 views

Load ads in splash screen?

I have some ads that take a very long time to load. I was wondering it it is possible to have them load while the use was in the splash screen. I have looked at this answer: ...
5
votes
0answers
141 views

What's the best practice for a progress bar in OpenGL ES 2.0 (Android)

As the title says, what is the best practice for a progress bar in OpenGL ES 2.0 on Android ? My attempt: I make a texture (could be a single colour or otherwise), and then stretch that texture from ...
3
votes
0answers
30 views

Java image in JFrame rendered weirdly

I'm not sure if this is intended or not, if it is, I'd like to know a way of preventing this: I've got this image (which is for testing purposes, the actual one has a texture, but I'm not using it ...
3
votes
0answers
60 views

Is it possible to use OpenCL in libgdx?

Been looking for a way to implement some OpenCL stuff in my libgdx project. It's possible via LWJGL which libgdx is based on, but it's only for the Desktop environment. Would like to have it cross ...
3
votes
0answers
50 views

2D Map Editor Tiles Palette - Best suited Java Elements to use?

I'm making a 2D RTS Map Editor and here came the moment to make a Palette which is just a popup frame showing tiles to be clicked on and then applied on the map. I'm wondering which Java Elements to ...
3
votes
0answers
279 views

LibGDX's HTML project doesn't show anything in Browser

The question is self explanatory, when I run my demo-html project as a Web Application and I open Chrome with the provided link by eclipse, my browser doesn't show the image it is supposed to show in ...
2
votes
0answers
43 views

Fixed timestep periodical “lags”

I have fixed timestep code in my main thread, it looks like this: float oldTimeSinceStart = 0; float accumulatedTime = 0; float maxDeltaTime = 0.1f; // 10 FPS float fixedTime = 0.016f; // 60 FPS ...
2
votes
0answers
36 views

Sprite animation in Android view

I'm looking for a way to have different sprite animations in individual Android views. I try to use LibGDX and AndEngine but most I could find was how to get an Activity with the sprite animation. ...
2
votes
0answers
120 views

How do i add a rain effect to a top down design game in Java, using no external libraries?

I'm creating a top-down game for my A-level/college computer science project, and I'm trying to implement rain. The game needs to be usable on any platform, so the use of external libraries is out of ...
2
votes
0answers
44 views

Spawning enemies in four different positions with a fixed trajectory in android game

This is my first android game, I appreciate all the help. I want to define 4 spawning zones starting from out of the screen (left, right, up and down). Enemies coming from this areas have a fixed ...
2
votes
0answers
43 views

balloon ligher than air with libgdx, impementation of FixtureDef.density, gravityScale, linearDamping?

I use libGdx/box2d's physic. My intention is to create a balloon filled with helium (a body, what hovers above a surface, if we apply a little force to it - it moves fast but not far, if we push ...
2
votes
0answers
276 views

Libgdx performance on old devices

I'm developing a game in Java for Android, using LibGDX. I'm using Nexus 5 to test my game most of the time and it works great (Minimum FPS it gets is 57 out of 60). Recently I ran my game in Galaxy ...
2
votes
0answers
74 views

OpenGL enabled Java game not detected by Fraps

Recently I found out that I could enable OpenGL hardware acceleration in my java game with the line System.setProperty("sun.java2d.opengl", "True"); Initial tests showed a big boost in performance. ...
2
votes
0answers
131 views

LibgGDX drawing two seperate Textures in FrameBuffer

So I am trying to combine multiple TextureRegions in to one by using a FrameBuffer. This works extremely well when the TextureRegions originate from the same Texture object/file but as soon as I try ...
2
votes
0answers
224 views

Incorrect click event when resize on libGdx

I want to use scene2D, in libGDX, to detect click on object. I have this simple Game sample : Stage stage; @Override public void create() { this.stage = new Stage(1280, 720, true); ...
2
votes
0answers
1k views

Libgdx ParallaxScrolling and TiledMaps

I implemented ParallaxScrolling for my SideScroller project, everything is working but the tiled map (the most important part!). I've been trying out everything but it doesn't work (see the code ...
2
votes
0answers
779 views

Rotation of viewplatform in Java3D

I have just started with Java3D programming. I thought I had built up some basic intuition about how the scene graph works, but something that should work, does not work. I made a simple program for ...
2
votes
0answers
1k views

AndEngine Making Chase Camera Follow Player

I am playing around with the AndEngine Race Game example. I am trying to make the camera follow the car as the player moves around. The Tile Map is larger than the player's screen but the camera ...
1
vote
0answers
53 views

How to bundle JRE with game for Steam

Heyo! I have looked for a step by step tutorial everywhere and haven't been able to find anything so please be helpful and fairly slow. I am creating a game for Steam and I am using Java to write ...
1
vote
0answers
42 views

Euler angles to directional vector

I wanted to implement a directional light system in my game, and instead of passing the direction to the light, I chose to use an angle, and only later convert it to a directional vector, so it is a ...
1
vote
0answers
39 views

Moving box2D body with texture?

I was following the solution from this http://stackoverflow.com/questions/20180063/box2d-body-with-texture. I ended up getting this working for static bodies. But when trying to get the PolygonSprite ...
1
vote
0answers
31 views

Extrapolation - synchronize destination point on a second device while moving

First of all, I read all of the Valve and Gaffer articles but I still have no clue, how to achieve my goal. I am creating a UDP multiplayer game with a lot of physics (knockbacks, attacks). Packets ...
1
vote
0answers
24 views

Two devices calling the same servlet, one receives the intended response, the other receives null, but call is definetly made with valid parameters

I'm developing a multiplayer card game (this context only involves 2 players). One player invites other players. Once the game initiator sends all the invites, he goes to a "WaitingRoom" activity, ...
1
vote
0answers
56 views

Game is responding very slowly?

I have a very simple app which removes buttons and re-adds buttons to certain layouts when a button is clicked. The problem is, this process is taking a very long time. My question is: How can I make ...
1
vote
0answers
32 views

How can I move my button?

I am new to animations in android. I was wondering, is there a way to keep a button moving around the screen, bouncing off the walls, until it gets clicked? I was thinking to do something like this: ...
1
vote
0answers
43 views

How can I detect sprite collisions out of screen?

I am creating an Android game using andEngine library. I have enemies coming from out of the screen into the screen. I already know how to detect collisions, but is there any method I can use to ...
1
vote
0answers
49 views

how to get rid of blurred and overlaping 3d shapes in javafx

I actually wanted to build a 2x2 rubiks cube. As the Box class in javafx doesn't provide the feature of building a cube with different colours on different faces, I chose to build the cubes using ...
1
vote
0answers
19 views

Does Overlap2d have frustum culling

I'am wondering if Overlap2d has a own frustum culling or do I have to implement my own?
1
vote
0answers
19 views

Android Game Development. Type Usage for Entity Positions

I've recently started developing on Android and have made some basic apps. I now wish to start development on a game project. I have intermediate skill in Java and will be developing with that ...
1
vote
0answers
61 views

Overlap2d + LibGdx load large map

I've been wondering if it's possible to load a large map made with Overlap2d before I get started with my project. A large map for me is something equivalent to a map from recent open-world RPGs like ...
1
vote
0answers
38 views

Libgdx box2d - what is the best approach to spawn an actor on a stage dynamically?

I'm currently building a 2d sprite infinite runner game, but everytime I spawn new enemy(actor) and platform, I noticed that there's a delay on it. Any idea of what would cause this behavior? I'm ...
1
vote
0answers
16 views

LibGDX: Box2d hovering, rotating body

Hello I am working on a hovering triangle (equilateral triangle). The triangle should allways rotate at a constant speed and hover over the ground. The problem is if I setAngularVelocity it does rise ...
1
vote
0answers
51 views

General pointers and advice in creating inventory structure?

I am working on text-based Diablo-like RPG, where each weapon and armor has unique stats and names and there is a lot of overlap. Ie I can generate Silver Sword with 40 damage, but I can also generate ...
1
vote
0answers
24 views

Android native database organization

I am developing an Android native game, but I have problems with Data Storage. For a better comprehension think it like as i am developing Clash of Clans, but with Native Andorid. Now imagine I have ...
1
vote
0answers
34 views

lwjgl Move 2D projectile in direction from coordinate pair

So I am having issues getting my projectile to move properly at all, the help I have found have only made this worse and have not actually given any heading as to what I am doing wrong. Can anyone ...
1
vote
0answers
30 views

Change gui in java game

im making a 2D Server/Client game, i have very little to no problems with the server but now i wanna work at the client. I think about using a JFrame and all the other gui classes/methods. My question ...
1
vote
0answers
84 views

How do I draw multiple irregular polygons with OpenGL ES?

In this post I was asking how to program a map of a Risk-like game. Now that the map is pretty coded, both client and server-side, I'd like to finally draw the map. I'll try to keep least broad as ...
1
vote
0answers
34 views

Physics Body editor loader collision detect

In my game I use the Physics Body Editor to add custom shapes to my bodies. In my show() method I use the follownig code to create my Jetski Body: BodyDef jetskiDef = new BodyDef(); ...
1
vote
0answers
53 views

Converting glsl shaders

I need to convert these shaders from #version 400 core to #version 130 successfully but for some reason when I do it my models are not rendering properly when I load more then one type and I cant find ...
1
vote
0answers
70 views

How to create 2D cameras in swing?

What is the best way to create a camera for a 2D platformer using swing, and I want to create a camera that moves instead of moving the background. This is because I'm going to have objects rotated by ...
1
vote
0answers
36 views

Java (libGDX) - Inheritance problems

I'm having some issues with inheritance for one of my libGDX projects, I'm making a game similar to (very stripped down) Terraria or Starbound and I am using the TiledMap to load the world, ...
1
vote
0answers
44 views

Vbo 3d triangle opengl w/ LWJGL

So i am using lwjgl, took me about 4 hours of hard work to achieve triangle rendering and vbos, now i want to render a triangle in 3d space. I know you have to use projection matrices. But when i have ...
1
vote
0answers
39 views

libgdx html part in browser only shows libgdx logo

I am trying to run HTML part of libgdx. I followed its official guide https://github.com/libgdx/libgdx/wiki/Project-setup,-running-&-debugging I have installed GWT plugin, I did GWT compile and ...
1
vote
0answers
218 views

Setting Window Icon Using GLFW (LWJGL 3)

What's the best, cross platform, way of setting the window icon using LWJGL 3? I have a PNG image and would like to set it to the icon present in my dock (OS X) or the application bar (Linux).
1
vote
0answers
140 views

2D Parallax Scrolling

I'm trying to implement parallax scrolling and have a partially working equation (from a book I've read) but it doesn't fully align to the screen. I also want to stick purely to integer maths. I've ...
1
vote
0answers
95 views

libGDX: Linking 3D scene from 2D screen

Using libGDX I have created a few 2D screens, such as a splash screen and a main menu, and also created a 3D scene which I want to be able to load when clicking a button on the main menu. I know how ...
1
vote
0answers
40 views

LibGDX and Sound Priorities

According to a post I found, the setPriority of a Sound in LibGDX is not only a hint, but does nothing on desktop, and I can confirm this. I really need priorities for sounds in my desktop game. The ...
1
vote
0answers
103 views

Alternative to world/terrain editing with jmonkey

I have been studying Java for almost a year and have been trying to develop a game using jMonkey. I have tried Unity before but since I only know Java I decided to go with jMonkey. My problem is that ...
1
vote
0answers
221 views

Using Box2D in LibGDX, is there a reason a fixture set to be a sensor would only -sometimes- detect a collision?

I am working on a 2D game in LibGDX. Currently, I am testing interactions between a player's weapon and enemies - in particular, a sword and an enemy monster. The player has a hurtbox and the sword ...
1
vote
0answers
194 views

How to make a sword swing effect

I'm working on a 2d java game on Slick engine and I always wondered how to make swing effects when striking with a sword? How to code something like this? ...