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.

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1answer
529 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 ...
0
votes
2answers
90 views

Where do assets for Minecraft mods go?

I found this link: Where do I store (or how do I refer to) textures for custom blocks? Unfortunately, the answer did not explain where that assets folder actually is. As such, I can't figure out ...
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0answers
11 views

How to make the interaction of sensors is in box2d? [on hold]

can not figure out how to make the interaction of the sensor platform has become active. something like this: BeginContact { if (sensorA && sensorB){ platform.getBody () ...
3
votes
1answer
443 views

Drawing fonts with LWJGL3 with OpenGL

I'm very sorry if this question has already been answered, but since I've been struggling with this for many days I thought I'd give it a shot here. My goal is to somehow render some text on the ...
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votes
2answers
573 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 ...
3
votes
2answers
1k views

Matrix rotation wrong orientation LibGDX

I'm having a problem with matrix rotation in libgdx. I rotate it using the method matrix.rotate(Vector3 axis, float angle) but the rotation happens in the model orientation and I need it happens in ...
2
votes
1answer
43 views

Slick2D Networking Crash

This is my first post, so I apologize if it's been put in the wrong place or something. Anyways, here's my problem: I've run into an issue with running my client-side code in one of my game-states. ...
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votes
3answers
48 views

How to scale bitmap font without having it pixelated

How do i increase the size of a bitmap font without having it get pixelated, in libgdx?
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0answers
29 views

How does one create a Player GUI

I am using Java and the Slick2D library. I've been testing around with ways to develop a Player Graphical User Interface (GUI) (to show armour, items picked up, weapons equipped, etc). The one ...
0
votes
1answer
200 views

Java OpenGL Perspective matrix not working

I'm trying to render a simple triangle with OpenGL in Java using LWJGL3. Everything is working great, but the projection matrix (perspective) is not working. In C++ I just used to apply the ...
1
vote
1answer
151 views

Switch beetween Screen on LibGdx application

i have set main class like this: public class MyClass extends Game { MenuClass menuClass; ActionGame actionGame; @Override public void create() { menuClass = new MenuClass(this); ...
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0answers
5 views

LibGDX Child node is not following animation

So I'm trying to place a golf club as a child node of the hand of our "golfer", so it follows the animation the golfer has when the animation is invoked. However, once I hit "Check Swing" (the button ...
0
votes
1answer
62 views

libgdx limit angular speed

I'm working on my top-down game. y characters use pathfinding + steering behaviors(Arrive and FollowPath) to move. I've implemented my character class from libgdx SteeringActor class (from tests). So ...
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votes
2answers
611 views

Basic 2d platform collision detection algorithm has a slight bug (Java)

I'm trying to implement collision detection between Player (the main character) and a Platform. They are both modelled as rectangles; when player hits the side of a platform he should bounce off it ...
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votes
0answers
21 views

implementing gesture detection lib gdx

How do I add a long press input to my libgdx game. here is my failed attempt: public class PlayState extends State implements GestureDetector.GestureListener { private Protagonist bird; ...
0
votes
1answer
47 views

Drawing from an ArrayList drawing same image repeatedly (Slick2D)

This is the game I'm working on. I isolated the problem into this class. public class Runa extends BasicGame { int startTime, tracker; public ArrayList<Circle> circ = new ...
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0answers
18 views

Making my game scalable? [duplicate]

I'm quite new to games development and just recently I've made my first Java platformer. I've been using Graphics2D to draw my spritesheets, but I've heard this method isn't very good in terms of ...
1
vote
1answer
102 views

Java Slick2d lighting using Raycasting

I am trying to make a top down view game in java using the Slick2d library, for lighting I wanted to do something like this : http://www.redblobgames.com/articles/visibility/. I was wondering if there ...
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votes
0answers
13 views

Reverse CopyOnWriteArrayList [on hold]

How to reverse already sorted (by asc.) CopyOnWriteArrayList, when Collections.reverse(list) gives out error for this type of list? By the way, I need to use CopyOnWriteArrayList.
0
votes
1answer
57 views

Network interpolation wont work for local player

im currently developing a little duengon crawler. It should have lan multiplayer and it works great but i think im sending to much packets. Should i send packets over network, when a player moves in ...
1
vote
1answer
64 views

Centering an animation [libGDX]

I have the following class: public class AnimationDemo implements ApplicationListener { private SpriteBatch batch; private TextureAtlas textureAtlas; private Animation animation; ...
-1
votes
0answers
20 views

how to move with update trajectoryPointCount [duplicate]

I am a new game developer, I am making a game, but I have a problem, I don't know how I can update my trajectory point in OnDraw method. Could anyone please help me? Thank you! enter code here ...
1
vote
0answers
43 views

Libgdx stops all sounds when there are lots of sounds

I'm making a 2D game for Android using Android Studio with Libgdx in Java. I have a class, called SoundPlayer, which holds an ArrayMap. The key is the name of the sound file and the value is the sound ...
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0answers
52 views

Multiplayer through blocked Firewall Ports?

im currently trying to develop a little game. I thought it would be a great idea to implement coop multiplayer, only lan. So i took kryonet and created a server. On my home wlan it works great im able ...
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0answers
53 views

How to update projectile trajectory point?

I am a new game developer, I am making a game, but I have a problem, I don't know how I can update my trajectory point in OnDraw method. Could anyone please help me? Thank you! Here is my code: ...
1
vote
1answer
230 views

Minecraft Modding - How do I use OpenGL stencil functions alongside the game's GlStateManager?

Note: I am using Minecraft Coder Pack 9.10 for game version 1.8.0 (official release). I am trying to make a multiline text field similar to the game's original net.minecraft.client.gui.GuiTextField. ...
5
votes
2answers
584 views

Main game objects as static

I'm making a game for Android using Android Studio with Libgdx in Java. In my game there are main object like Screen, ObjectFactory, SoundPlayer, Painter (Responsible for drawing) and a few more. 'til ...
0
votes
1answer
105 views

Raycasting. Corner trap

In my top-down game character moves to target (pathfinding) also avoiding obstacles with Raycasting(Central ray with whiskers), but situation like on picture causes shiver and unneeded turning ...
0
votes
1answer
51 views

Prevent button layout changing after one is removed?

I have a layout with four buttons in it. I end up removing one of the buttons using: View v = (View) findViewById(R.id.ViewId); ((ViewManager) v.getParent()).removeView(v); The ...
0
votes
1answer
36 views

How to resize 2D Java game without “squeezing” it?

I am trying to make my second java game (2D) but i have run in a problem: The game will be in fullscreen, but how can i make it so it is scaled properly for each screen? While researching i found out ...
0
votes
1answer
13 views

InputProcessor without stage

I have a GameScreen where I'd like to have a pause button. I've tried using an Image with a listener, but since my GameScreen isn't a stage, I can't use that in the inputProcessor. So my question is ...
0
votes
1answer
191 views

Java Slick2D Image Glow Effect

How can one achieve a dynamic glow effect in Java Slick2d? I want an image to be surrounded by a glow when I move my mouse over it for example. Example: No glow Glow Is it possible to make this ...
0
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0answers
21 views

TiledMap Safe Area for different screen resolutions

I'm creating a Tower Defense game using libGDX (w/ scene2d) and TiledMap. I've been reading extensively about viewports and how I can better manage various screen sizes. I want my Tiled Map to take ...
1
vote
2answers
48 views

OpenGL [LWJGL3] - Matrix4x4 not rotating correctly

I tried today to make my own matrix4f class because of that LWJGL 3 does not include a class for it. So I arrived at rotation and it does not seem to work. I tried using the old util from LWJGL 2 and ...
0
votes
1answer
42 views

Simplifying Object Factory

I'm making a game for Android using Libgdx with Android Studio in Java. In my game, I have a class called ObjectFactory which has a method createGameObject(int objectType) which receives an integer ...
0
votes
1answer
24 views

LibGDX - Bundling Files

I have 3 files. A JSON file, a PNG file, and a TXT file. Is there any possible way I can put all three inside a common file with a custom extension? (for example "fileName.abc") I searched the web a ...
1
vote
1answer
95 views

LibGDX - Rotating sprites and still keep the positioning between them

I've been struggling with a problem regarding rotations and relative positions between sprites (in this case, the sprites are just lines) - a bit off-topic, but should i be using the ShapeRenderer ...
3
votes
2answers
108 views

Rotate sprite along the angle between two objects

Im trying to make flames follow my object, I set the direction for my moving object using the points between it and another object (using static destination for testing). No matter what I do I ...
-1
votes
0answers
30 views

How do I render a random picture to the screen each time game is initiated lib gdx [closed]

how do I render a random texture on the screen each time my libgdx game is initiated.
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0answers
28 views

Defining camera/view space

Im working on expanding my camera class, but having trouble defining camera/view space in the manner of this diagram: What Im trying to achieve is to define the camera as a true object much like a ...
1
vote
1answer
138 views

LibGDX - how to detect touchUp with GestureListener?

I'm making a game and I have implemented GestureListener as my inputprocessor. It came with a bunch of methods such as fling, pan, tap etc etc including touchDown. However, there is no touchUp method! ...
0
votes
1answer
39 views

How create/draw faded circles in Java

How do I create some circle - like the one on the image - in Java, and in various colors? I would like to make more of these circles to fly from specific position to random direction.
0
votes
0answers
19 views

Java Mouse Drag Event [closed]

I have a question on the right way to do a mouse drag event in JavaFX Application. I want the frisbee to be "tossed" in the direction of the mouse drag. my playGame() method has onMouseClicked just as ...
0
votes
0answers
17 views

AdMob Banner appears 960x150 instead of 320x50 in libGdx - what's wrong here?

I am a bit helpless with this strange effect from AdMob. AdView is instanciated in code and so is the relative layout and libGdx view. View view = ...
0
votes
2answers
40 views

OpenGL perspective matrix far plane

The near plane clips at exactly the value I set just fine but instead of clipping at 1000 the far plane clips at 1. Here is the code for the projection matrix: public static Matrix4f ...
3
votes
1answer
83 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
3answers
352 views

Fastest 3D bounding box algorithm

I am at the point in my game where I need to add a collision system. I tried jBullet, and while it did work, it wasn't what I was looking for. I just want a simple way to test if two oriented bounding ...
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votes
0answers
20 views

Help with first person camera | Java OpenGL [closed]

Hey i cant seem to find out how to make a first person camera Could anyone suggest wasy to make it and/or suggest codes
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0answers
32 views

Best way to create defence(withdraw) algorthim libgdx?

I have created user body and enemy body. Enemy body uses the steering behavior created by gdx AI. User body have it own control inputprocessor. World doesnt have gravity. Enemy body arrives the user ...
0
votes
2answers
61 views

Java Slick2d image depth/layering

Im making a topdown 2d game, and I've made a decent entity system so far. But I want to do the following with it: I want to have drawing depth, so if a , for instance, tree is above another tree then ...