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

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2answers
280 views

How can I drag a polygon based on a mouse-moved event?

I have drawn a polygon in Java using java.awt.Polygon. I want to move that polygon with the mouse (by dragging it). I know that I have to use mouseDragged method in addMouseMotionListener. That way I ...
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1answer
338 views

Including slick2d or slick-util in maven build?

I'm converting a project to lwjgl and trying to use slick-util as well. There's no slick-util maven repo anywhere (nor slick2d itself anymore). I've included local dependancies before using ...
1
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1answer
47 views

How to use the zoom gesture in libgdx?

I found the example code for the GestureListener class, but I don't understand the zoom method: private float initialScale = 1; public boolean zoom (float originalDistance, float currentDistance) { ...
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2answers
186 views

Is it possible to create 3d games with good performance in java? [on hold]

Recently i use Javafx 8 for creating small 2D games , but i think it can't manage memory and other things very well .I see Jmonkey jmonkeyengine as a game engine for Java and i see some videos of ...
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0answers
18 views

Collision detection in slick [on hold]

I tried to play a little around with slick in Java. My map which I created in tiled looks like this I only have those two different tiles and the black ones got the "blocked" property. The black ...
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1answer
694 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? ...
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0answers
28 views

Quaternion Matrix Camera Example in LWJGL

Does anyone have an example of a quaternion matrix camera for use in LWJGL? I have been looking for months now and I cannot find a single complete example that contains an update function (showing how ...
1
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1answer
103 views

If I convert my LibGDX game to an exe, is it legal?

I have a LibGDX jar file, and I want to have it as an EXE. Would that be legal? (Using launch4j) Also, how do I obfuscate a LibGDX game?
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1answer
146 views

JBox2D Polygon Collisions Acting Strange

I have been playing around with JBox2D and Slick2D and made a little demo with a ground object, a box object, and two different polygons. The problem I am facing is that the collision-detection for ...
0
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1answer
89 views

Fixing game loop to 60fps makes animation very jittery

ns is 1000000000 / amountOfTicks; long now = System.nanoTime(); delta += (now - lastTime) / ns; lastTime = now; if (delta >= 1) { tick(glad); updates++; ...
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1answer
68 views

How to achieve a Gaussian Blur effect for shadows in LWJGL/Slick2D?

I am currently trying to implement shadows into my game, and after a lot of searching in the interwebs I came to the conclusion that drawing hard edged shadows to a low resolution pass combined with a ...
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1answer
21 views

LibGDX - Textures rendering at wrong position

Update 2: Let me further explain my problem since I think that i didn't make it clear enough: The Y-coordinates on the bottom of my screen should be 0. Instead it is the height of my screen. That ...
1
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1answer
30 views

In JBox2d when dragging a Body, why is the direction is flipped vertically?

Why is it when I drag a JBox2d Body with the mouse, the vertical component is flipped? e.g. If I drag down-right, the Body moves up-right. Is this expected behaviour, a bug in JBox2D, a Mac ...
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1answer
211 views

problem adding bumpmap to textured gluSphere in JOGL

I currently have one texture on a gluSphere that represents the Earth being displayed perfectly, but having trouble figuring out how to implement a bumpmap as well. The bumpmap resides in ...
0
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1answer
165 views

LWJGL: Camera distance from image plane?

Let me paste some code before I ask the question... public static void createWindow(int[] args) { try { Display.setFullscreen(false); DisplayMode d[] = ...
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1answer
84 views

Playing repeated sound in Java

I'm trying to play sounds in a Java game with the following code: AudioStream audioStream = new AudioStream(stream); AudioPlayer.player.start(audioStream); The stream variable is just an ...
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2answers
125 views

Java: Camera Rendering

Which is the best way to detect whenever an object or tile is inside the Camera Range so I can draw it? With "best" I mean more efficient, and quicker. Thanks
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0answers
19 views

Multiple time initialize same texture

I am newbie to libgdx gaming, i have a problem to initialize the multiple images having same texture;try to do using array and i could not do,as i am very new so can help me sort out. private Image ...
0
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1answer
36 views

The sprite will not move in libGDX

When I ran the android application, The sprite image will not move when I press the input keys. I followed a tutorial based on input keys and wish to know what's wrong. Can anyone see what's wrong? ...
0
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1answer
42 views

Simple rendering produces minor stutter

For some reason, this game loop renders the movement of a simple rectangle with no stuttering. double currTime; double prevTime = System.nanoTime() / NANO_TO_SEC; double FPSTIMER = ...
2
votes
2answers
216 views

Expandable 2d environment by spawning and controlling individual tiles

what is the best way to implement an environment that is "expandable" in every direction so that when the player moves in any direction a new row or column of tiles that can be manipulated ...
0
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1answer
72 views

Collision Detection Algorithm With Tile Map Help

I am trying to fix the collision between my player and the tilemap that I am using to render my game. For whatever reason the collision is off when I start scrolling in the X-axis, the up and down ...
0
votes
1answer
30 views

When and how to apply affine translations to vertices of a mesh with LWJGL

So, I have a rigid body class, containing a list of vertices and a 4x4 transformation matrix. At the moment, I'm applying the transformation matrix to each vertex individually, and am unable to revert ...
0
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1answer
104 views

How do I find the tile I'm standing on?

I want to get the specific tile I am standing on. My Tiles are in an Arraylist so I can destroy them later. How can I do this? Here's my Level-class (where my Lists are): public class Level { ...
0
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1answer
49 views

Bodies going through the walls of a box

I have a game where the user controls a box to collect falling balls. However, very often the balls will just fall through the walls of the box and be flung away. What could be causing the balls to do ...
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1answer
141 views

Random lines away from images in java2d opengl game

Working on a java game that uses some pngs images for icons/textures. A few images ( fewer than 5, out of dozens ) are showing some odd parallel "artifact" lines. They move with the image, are ...
0
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1answer
356 views

LWJGL font not rendering, even with depth test and texture_2D

I'm running into an odd little problem here. I'm attempting to render a basic console over my LWJGL-based application, which should be easy enough through a decorator pattern of renderers (as in, one ...
0
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1answer
47 views

Help with dropping items in a game [duplicate]

I am making a game where i have items or blocks stacked on top of each other. What i would like to do is, when the first item(or the item at the bottom of the stack) is removed, i would like to shift ...
0
votes
1answer
4k views

How To Scale Canvas In Android

I am writing a android game using Canvas as the way to draw everything, the problem is that when i run it on different android phones the canvas dosn't change size i tried using canvas.scale() but ...
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0answers
36 views

Slick2D v LibGDX: [closed]

Okay. You might have seen some of these posts on forums here and there, but I wanted to ask this here mainly because everyone here is focused on game-dev and there seems to be quite a few Java ...
0
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1answer
98 views

Logic behind timberman game? [closed]

i am wondering how the game timberman works? What do you guys think is the logic behind the programming in the game? For example, 1). how the tree and branches move down each time the player chops. ...
-1
votes
0answers
45 views

How do I slow down drawing? [closed]

I'm trying to create a turn-based card game with the Observer-pattern. I've asked a question here about this game before. I want to slow down the drawing of the cards in the JPanel. Right now, ...
1
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1answer
60 views

Get the game state using Multithreading in Java Monkey Engine 3

I’ve been trying out Java Monkey’s multi threading recently via the wiki’s tutorial. Since I just wanted to test a prototype clinet, I made a program which creates some cubes using the ‘Cubes’ library ...
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0answers
24 views

Android - OpenGL ES 2 - Cube with different texture in each side

I need to create a 3d cube, with a different texture on each side. Here is my cube class, which my other classes extend: import java.nio.ByteBuffer; import java.nio.ByteOrder; import ...
0
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1answer
31 views

Android - 3d view with object picking, dynamid textures and camera changing [on hold]

I need in an application to add a 3D viewport inside an activity, together with some other buttons. I need the viewport to allow object picking, so user can click on objects, dynamically changing ...
0
votes
3answers
104 views

Set value in an array[3], that the sum of all three values is always 1.0

So I'm working on a Civ like game right now and want to have a setting how taxes are split in gold income, science and luxury goods. private double[] rate = new double[] { 0.4, 0.6, 0.0 }; now I ...
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0answers
19 views

Manage “sprites” on Android game [closed]

I am really new to android developmet and I am having trouble managing "sprites" on a Game. Actually, I am making a game using Google Maps API, so I am representing my objects as markers and circles. ...
0
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2answers
111 views

How do i make collision detection more effective?

In the game i am developing, there are 220 circles that are not moving. One of the circles is moving and in every update, it iterates through an ArrayList that contains all the circles and check if it ...
2
votes
1answer
258 views

How do I make my camera follow a Box2D object?

I'm implementing a camera in my game. It worked for regular objects, but I began using Box2D and obviously things changed a bit. I have a Body object that I want to draw at the center of the screen. ...
0
votes
1answer
50 views

Slick2D: Animation not being parsed from spritesheet correctly

I have a 960x960 spritesheet with each tile being 192x192. I initialized my spritesheet and animation like so: spritesheet = new SpriteSheet("resources/spritesheets/player.png", 192, 192); ...
1
vote
1answer
79 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 ...
1
vote
1answer
61 views

Java Slick2d Animation not working

Hello everyone I am trying to make a simple 2d game using java and the slick2d library. this is my first time doing it and i need some help. Right now I am trying to make the Animations for the ...
1
vote
1answer
33 views

Preventing diagonal movement

I was originally fine with diagonal movement but it's clashing with my sprite animation... public void keyPressed(KeyEvent e){ int key = e.getKeyCode(); switch(key){ case ...
0
votes
1answer
61 views

LibGDX drawing map using tiles without space

I am making a board game. To draw the map on the board I use different tiles. On some screen the map looks good but on some other screens there is a space between the tiles. How can I do so there ...
0
votes
0answers
11 views

Help with Interactive Grid for Turn-Based-Strategy game [duplicate]

So right now I have all of the menus, and game saving/loading stuff done, but I need help creating my actual game. I have a basic idea of what I want the game to be like. But I just need help with the ...
0
votes
2answers
162 views

How do I add an image inside a rectangle or a circle in JavaFX?

Suppose we have a rectangle called r Rectangle r = new Rectangle(40, 20); and an image called image Image image = new Image("...src for image"); How do I fit the image inside the rectangle? ...
0
votes
1answer
100 views

OpenGL ES 2 jittery camera movement

First of all, I am aware that there's no camera in OpenGL (ES 2), but from my understanding proper manipulation of the projection matrix can simulate the concept of a camera. What I'm trying to do ...
0
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1answer
246 views

Java Slick2D - Problem using ScalableGame class

I am having a problem adjusting the size of the screen while using the ScalableGame class from the Slick2D library. I would like the background and objects (images and graphic shapes) to adjust to ...
1
vote
3answers
93 views

2D Side Scroller Game Without A TileMap

I want to create a 2D side scrolling game in a similar style as the game "Castle Crashers". (Go to: http://store.steampowered.com/app/204360/ to see some pics of the game). I have experience ...
1
vote
1answer
95 views

Is game maker studio actually flexible enough to cater to an avid programmer? [closed]

After I got burned by RPGMaker which seemed fine what with the semi-open Ruby-like engine until you encountered some nasty surprises like the draconian resolution limitations etc., I've become more ...