The Slick2D graphic engine and utility collection is meant to make the development of games using LWJGL easier.

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How to Move Image Based on Rotation Java Slick2D?

I am trying to rotate image based on rotation. I am unable to do so. Here is my code Vector2f direction = new Vector2f((float)Math.cos(Math.abs(imgIcon.getRotation()) - anglecorrection), ...
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12 views

render map with objects in slick2d [on hold]

I have a problem when rendering a map with a layer of objects in slick2d. I have a map with two layers of patterns that render in slick2D Tiled, but once you add a layer of objects, the map fails to ...
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1answer
1k views

Slick2D: Changing an Image's colour to Color.white

I am working on a game where we would like the enemies to flash white when hit by a bullet. Ideally, we would like to use the same mechanism to render an Image in any colour. Our Images are all png ...
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1answer
106 views

How can I make an soundsystem with slick?

My Question would be , how can I develop an easy-to-use Soundsystem under slick-util? Under the function a.playAsSoundEffect(1, 1, true, x, y, z); it allready works to create a static ...
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3 views

Slick2d - apply shader

I have a problem. I'm trying to apply a shader to the whole screen. Since I haven't used shaders before I don't know how to pass the texture to the shader. Everything else works... So here are the ...
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1answer
67 views

Is the standard collision detection in Slick2D too heavy for broadphase?

I was wondering two things about the built in shape detection of Slick2D. When executed on a lot of shapes, how performant are the intersects and containsmethods, and what kind of algorithm is behind ...
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1answer
66 views

How can I perfectly center an image in a window using Slick2d?

Dividing the window's width by two to position it in the middle of the x-axis did not work. What else can I do?
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1answer
17 views

How to map texture to shape in Slick 2D

I need to map texture to shape. Texture: This is a example of shapes I need to map texture to: Notice that each piece in mesh has exactly 4 point to map texture. Logic is pretty straight ...
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1answer
105 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); ...
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1answer
35 views

Slick2D crashes on Image.getGraphics() on some machines

On some machines, creating a new Image and calling getGraphics() on it causes lwjgl to enter into some kind of faulty state that crashes when swapping buffers. Any idea what causes this and how to ...
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1answer
864 views

How handle nifty initialization in a Slick2D state based game?

I'm using Slick2D and Nifty GUI. I decided to use a state based approach for my game and since i want to use Nifty GUI, i use the classes NiftyStateBasedGame for the main and ...
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1answer
150 views

How to draw multiple large background images using libgdx?

I have developed a basic lunar lander-style game using Slick2D and dyn4j and am now redeveloping it using libgx for various reasons. I am having problems drawing the background (i.e. everything, but ...
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54 views

Java Slick2D rotating a Shape using transform(Transform.createRotateTransform())

I have spent most of the day trying to debug this tiny piece of code, and I can't for the life of me figure it out. I'm making a pong game for the Mini Ludum Dare currently going on. I am programming ...
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40 views

How do I make a Slick2D TextArea display newlines?

Whenever I press the Enter-key my Slick2D TextArea does not go to the next line. How can I make it do that? Here is the code that involves the TextArea: private TextField ta; public void ...
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1answer
76 views

Use Slick2D for standard application instead of game

I was wondering how well Slick2D would work when used for a custom rendered GUI in a standard application? A standard application not being a game. More like a text editor or 2D level editor that ...
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1answer
2k views

Using Nifty GUI with Slick2D

As seen here NiftyGUI has it's own GameState classes, I want to know if for adding UI to one state of my game I need to make that state NiftyOverlayGameState or still a BasicGameState but to add a ...
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2answers
685 views

Slick & NiftyGUI. Nifty initialize exception

I found my self into trouble when trying to run a Slick game with a Nifty Game State. This is the code: @Override protected void initGameAndGUI(GameContainer container, StateBasedGame game) ...
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1answer
71 views

How to distort graphics in a wave-like way?

I saw a certain graphics distortion effect on multiple games over time and am interested in doing it in 2D. It is like a wave-like texture distortion, I am not entirely sure what it is called ...
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22 views

How to display armor/equipment on a character? [duplicate]

I've been working on an Online 2D RPG mostly for fun and for getting a basic understanding of Socket Communication, packets, and just basic game development. Like most RPGs there is some kind of ...
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98 views

How import and draw a tiledmap with slick2d

How I can import and draw a tilemap with different layers? I have the next code and send me error if the tilemap have more than one layer. public class Map { private TiledMap map = null; ...
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2answers
2k views

Resource not found: testdata/alphamap.png

I started a tutorial for java's slick 2d library, called SlickBlocks which is essentally a tetris clone. The problem is I have followed and typed in the code examples to the dot, yet when I run it I ...
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1answer
152 views

Slick2D ingoring aplha channel?

When I use the draw method inside a image, it completely ingores the alpha channel and fills it in with white. Is there a way I can draw it where the alpha is see through like it's suppost to be? I ...
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74 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 ...
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1answer
37 views

Slick2D Graphics Misaligned

I'm working through a game in Slick2D and am now focusing on a lot of the graphical end. It's going pretty well other than a couple of issues with alignment. An image illustrating both of these issues ...
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1answer
81 views

Slick2D re-starting particle system/emitter

I am trying to use a particle system/emitter in Slick2D to produce a thrust jet from a space ship. I can get the emitter running continuously without any problem, however I can't get it to run for a ...
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2answers
102 views

Make square walk by rotating around corners

I in the very beginning of making a small game, and I'm having some problems getting the basic movement of my character. My character is a square that can be moved by rotating around a corner. The ...
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1answer
707 views

Including slick2d or slick-util in maven build? [closed]

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 ...
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97 views

Slick2D ComponentListener added to MouseOverArea not responding to right mouse clicks

I am developing a UI using Slick2D and experimenting with MouseOverArea. I have noticed that if I add a ComponentListener to my Button (which extends MouseOverArea) it only responds to left-clicks on ...
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143 views

Slick2D shader crashes, but only after a while

I'm using Slick2D's ShaderProgram for shader-based drawing in my game. Some players report that after 3-10 minutes, the game inevitably crashes hard during what appears to be a setUniform4f operation ...
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1answer
131 views

Moving a tiled map in a jframe

I rendered a tiled map, with the help of slick2d, in my JFrame in Java. I can move my main character, but it is just that the character itself moves. I would like to do it that, if the player moves, ...
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1answer
156 views

how do I add development build number each time I compile and play? [closed]

I wanted each time I play my game, it will show in the console how many times you compiled or run the game. How do I do that?
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1answer
175 views

Slick2d - state change problem

In my slick-based game, I have 4 states - introState, gameState, pauseState and menuState. From the gameState, I want player to go to either menuState or pauseState. To do that, I did this in ...
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9 views

Creating bullets at tip of rotateable object? [duplicate]

I am and not very good at trigonometry or whatever it is i'm even using. My problem is that I simply cannot figure out how to create the bullets exactly at the point of my object. The object rotates ...
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1answer
134 views

Rotating an object to point towards the mouse [duplicate]

I'm using slick2d for this process and trying to rotate a minigun to face the mouse. My problem is that the minigun in my game is actually rotating but no towards the mouse at all! Also, the minigun ...
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4answers
4k views

Java Slick2d - How to translate mouse coordinates to world coordinates

I am translating in my main class render. How do I get the mouse position where my mouse actually is after I scroll the screen public void render(GameContainer gc, Graphics g) throws SlickException ...
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2answers
346 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
179 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 ...
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1answer
89 views

Collision bug with gravity in slick2D

I have fixed some of the previous problem. The collision when running into a corner(a wall on two sides) however is still not working. When the player runs into a corner he just falls down and out of ...
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2answers
681 views

How to load chunks of 2d map segments when player reaches a certain point?

In my 2d platformer (made with Java and Slick2d), random maps are made by combining different segments together and displaying them one after the other. My problem is that I can't load too many ...
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1answer
154 views

Fade into splash screen on game load

I'm using Slick2D and LWJGL for my StateBasedGame and I was wondering if there was a way to enter into my splashscreen on application load using a transition? I tried using: this.enterState(SPLASH, ...
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1answer
761 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 ...
2
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1answer
274 views

In Slick2D, how can I generate a 2D platformer map from an image?

I'm fairly new to game development. I've been messing around with Slick2D. My map consists of rectangular objects. I want to use an image to represent my map, similar to this: How could I generate ...
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1answer
399 views

lwjgl and slick util text over textured quad

So, I load a TrueTypeFont like this: private TrueTypeFont trueTypeFont; try { InputStream inputStream = ResourceLoader.getResourceAsStream("assets/fonts/main.ttf"); Font ...
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926 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 ...
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80 views

Slick2D changing image's color with drawFlash and using alpha

I have an image, where I have a round soft white feathered ball in the center of it. I plan to use it for my lighting in my 2D game. I could not find any proper way to drawing lighting with many ...
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182 views

Slick2D/LWJGL Drawing coloured lights problem

I am using the Slick2D engine. I've followed this snippet for creating light sources. I have followed step step, added what is actually important for me, and tested it and the lighting effects ...
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32 views

Drawing jbox2d shapes in slick2d

How would be the best way to go about drawing polygons in slick after forces where applied to them via jbox2d? There seems to be no way to get the vertices of a body defined in jbox2d...
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1answer
358 views

LWJGL/Java - Implementing a writeable text box?

I would like to create a writeable text box where a user can input text into it. A nice "send" button that the person could click to send the text to the server would also be nice. I currently haven ...
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1answer
231 views

Slick and Timers?

I'm making a game where I need events to happen in a precise amount of time. Explanation : I want that event A happens at 12000ms, and event B happens every 10000ms. So "if"s should looks like this. ...
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1answer
228 views

Why is my Slick2D spritesheet animation cut off when it loops?

I am loading a SpriteSheet with Slick2D and using the Animation function in the render method to display it. The spritesheet loads perfectly, but when the animation loops, it does so moved down a few ...