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

learn more… | top users | synonyms (1)

4
votes
1answer
2k views

Create the right pom.xml for LWJGL and Slick Project (Maven)

Can somebody tell me whats wrong with my pom.xml file? At this point I get this error if I start my *.jar file: C:\Users\Michael\git\freezing-robot\target>java -jar ...
0
votes
1answer
909 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 ...
0
votes
1answer
100 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
votes
0answers
52 views

Slick2D doesn't render hexagonal TiledMap from Tiled Map Editor properly

I'm new to Slick2D and Tiled so I might be missing something crucial although I've done my research and came up with nothing. I'm trying to create a hexagonal grid using Tiled Map Editor (v. 0.12.3) ...
0
votes
3answers
566 views

How can I move a created Image in Slick2D?

I want a image to follow the mouse, and I use Image class of Slick 2D: public void init(GameContainer gameContainer, StateBasedGame stateBasedGame) throws SlickException { mouseImage = new ...
0
votes
2answers
130 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 ...
0
votes
1answer
44 views

Rectangle moves faster to the left than to the right

I am using Slick2d to create a top-down game, however an rectangle than I am drawing to the display is moving faster to the left than to the right, and faster up than down. I am updating frames like ...
0
votes
0answers
8 views

Slick2d - How to change one pixel color with another from Image?

How would I replace one color throughout an entire image with another color in runtime? For example, replacing all red with green from an image. The only way I can think of is to loop through each ...
0
votes
0answers
20 views

Slick2D Java Applet

I created small game in Java using Slick2d library. I wanted put my game into webpage as java applet like here. I added my site to java exception site list. When i try to run page it is wrote: "An ...
0
votes
1answer
119 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 ...
0
votes
1answer
94 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 ...
1
vote
1answer
58 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 ...
0
votes
1answer
125 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); ...
0
votes
2answers
28 views

LWJGL True Type Fonts - Calculate width and height of box

I want to center some text on the screen. At the moment I divide the display height and width by two, and then render. But I also need the height and width of the textbox, so I can subtract it from ...
1
vote
2answers
194 views

Swing GUI for games (performance)

I'm developing a game in Slick2D and I'm trying to make GUI. I've already tried TWL library, but it seems to me a bit complicated and it doesn't cover what I need. In my own implementation of GUI ...
2
votes
3answers
767 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 ...
1
vote
1answer
225 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 ...
1
vote
1answer
48 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 ...
1
vote
1answer
54 views

Drawing text with Slick

I've been trying to draw a text to the display using Slick. However, when ever I draw the TrueTypeFont to the screen, it draws it reversed upside down and also, it makes the whole display turn black. ...
0
votes
0answers
35 views

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), ...
1
vote
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 ...
0
votes
0answers
35 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 ...
-3
votes
1answer
87 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?
0
votes
1answer
184 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 ...
0
votes
0answers
93 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 ...
0
votes
0answers
62 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 ...
1
vote
1answer
85 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 ...
2
votes
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 ...
3
votes
2answers
696 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) ...
1
vote
1answer
79 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 ...
0
votes
0answers
24 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 ...
0
votes
0answers
167 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; ...
0
votes
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 ...
-1
votes
1answer
163 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 ...
0
votes
1answer
44 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 ...
0
votes
1answer
108 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 ...
1
vote
2answers
116 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 ...
1
vote
1answer
759 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 ...
0
votes
0answers
161 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 ...
0
votes
1answer
150 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, ...
1
vote
1answer
157 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?
0
votes
0answers
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 ...
1
vote
1answer
190 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 ...
3
votes
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 ...
2
votes
2answers
398 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 ...
1
vote
1answer
185 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
votes
1answer
99 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 ...
0
votes
1answer
177 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, ...
-1
votes
1answer
816 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 ...
3
votes
1answer
303 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 ...