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

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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 ...
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2answers
163 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
44 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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1answer
18 views

My displayed Tiled map is rendered with different tile indexes than in the editor in Slick2D. Why?

The first picture is what I have in the editor and the second one is what I got when I rendered my map. @Override public void init(GameContainer container) throws SlickException { ...
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1answer
66 views

Java game LWJGL input doesnt work properly

Im making a game in LWJGL 2 and Slick2d. Im trying to add an item to my inventory by releasing a key (the inventory system works properly, the part where I have to see if the button was RELEASED is ...
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1answer
105 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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1answer
115 views

Getting the tile over wich the mouse cursor is

Im making a tilebased game, I have the rendering, the main engine, everything setup nicely (btw Im using LWJGL and Slick). Now this is more of a math question. How do I get the tile the mouse is on, ...
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1answer
124 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
38 views

Slick2D Simple StateBasedGame not working

I recently started trying to work with outside Java libraries like Slick2D. This is my first time doing so, so I basically have no clue what I am doing. I tried making a simple StateBasedGame that ...
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1answer
41 views

Slick & LWJGL Flickering Problem

I have an flickering problem with rendering tiles. Rendering Method. int tileSize = TileManager.tileSize; for(int y = 0 ; y < mapHeight ; y++){ for(int x = 0 ; x < mapWidth ; ...
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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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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 ...
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1answer
135 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
992 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
734 views

Slick2D: Resizing the Window

I am using Slick2D, and I wanted to know which is the best way to resize, maximize, minimize the window, For example, Resizing all the images or scaling them, or Slick2D has an integrated method, Any ...
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1answer
922 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 ...
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1answer
540 views

Slick2D and Clipping

How would I go about using clipping in Slick2D? I want to have an infinitely large world, however I'm not very good with clipping and it's my only problem. I don't have anything drawn outside of the ...
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0answers
53 views

Slick2D fails to load small textures

I'm trying to load a small 32x32 png texture using Slick2D, however it doesn't seem to render correctly. What's odd is that larger textures do load correctly. The 32x32 texture I'm trying to load: ...
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0answers
103 views

Slick - create new texture from part of existing texture

Say I have the following image: I want to resize this texture, so I can have resizable buttons with a texture. Now, as you can't repeat a certain area of an image in OpenGL, I have to create a new ...
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0answers
208 views

Slick2d font rendering makes all other drawings vanish

I'm converting a java game to lwjgl and slick-utils. I've followed the slick2d examples for font loading/rendering but I found that the font shows as a solid box of color unless I add the following ...
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0answers
20 views

LWJGL + Slick2D

Okay, so I know collision detection. I have made plenty of games in Java (without LWJGL or Slick2D) that use Side-Scrolling Tile Maps and collision detection, but the player seems to be glitching ...
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0answers
30 views

How to hook up mouse listener in Slick2D

I'm trying to code a "Button"-class in java using the Slick2D-GameEngine. Does anyone who is familiar with this engine know where and how exactly to hook up this class to the GameContainer's ...
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0answers
55 views

Rhythm game timing not accurate enough (CPU workaround?)

I had an idea that I would 'play' my rhythm game first and have the times at which I hit the key output to the console, so I could use those values minus the hard coded in time it takes an object to ...
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0answers
39 views

Problem with Collision Detection

So I am adding collision detection into my game but whenever I start the game I get a rendering crash saying that there is a 'Game.update() failure - check the game code.' I have repeatedly tried to ...
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0answers
60 views

Framebuffer texture shows as blank white when rendered after TrueTypeFont

I have a working framebuffer class. However, when I render out the framebuffer after rendering text with Slick2D's true type font class, it is completely white. Below is all of the classes that are ...
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0answers
16 views

Is it possible to draw outlines of images in Slick2d?

Im making a game and I've woundered if there is a way to draw an outline to an image with the slick drawing API, because Im using pixelart so it's kindof nasty to draw the outline within the sprite ...
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36 views

Java LWJGL and Slick2D collision with 2d array based map

So I've been making this game recently in java w/ LWJGL (2) and Slick2d. I've done some stuff like the map; it's a simple 2d array it goes through it and based on what id it is its gonna draw that ...
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0answers
85 views

How to get set up with java, eclipse, and slick 2d?

I have some experience in Java and other languages. I want to make games in java, and through my digging around it seems the LWJGL library is the way to go. I am trying to use Slick2D ...
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0answers
26 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 ...
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39 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 ...
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0answers
109 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) ...
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53 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), ...
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67 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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0answers
304 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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0answers
189 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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0answers
280 views

How can I draw a part of a texture in slick2d?

I know the method for drawing a region of a texture in slick2d: image.draw(x, y, srcX, srcY, srcX2, srcY2); But I have no idea how the texture coordinates work. To draw a region of x:16, y:16, ...
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318 views

LWJGL Rotating is moving

I am trying to rotate my QUAD even just a little bit. I have read pages like http://www.java-gaming.org/topics/lwjgl-tutorial-series-moving-and-rotating-triangle/30679/view.html In my render() ...
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0answers
627 views

Java Slick2D rotating Shapes

I'm having a problem with rotating a Shape in Slick2D for Java I have a code in screen render which works properly: Shape box = new Rectangle(100,100,32,32); box = box.transform( ...
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34 views

How to make character selection in slick2D?

I am trying to make the player able to select between two characters in slick2D, but I cant get the map class to use the variable holding which ever character the player selects. Map Class: package ...