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

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2
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1answer
201 views

How do game developers make their game available for most of the resolutions?

I'm developing a game with Java using Slick2D and I want to make a game that could target all the recommended resolutions, as you can see in almost every game you could have an option of changing the ...
2
votes
1answer
318 views

How can I improve the performance of texture switching without resorting to atlasing?

I'd like to use texture images that are not a sprite sheet or other form of texture atlas, mainly because I'll be consistently adding and swapping textures while I figure out the direction my game ...
1
vote
1answer
177 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 ...
-1
votes
1answer
725 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
votes
2answers
553 views

Slick2D - Entities and rendering

I have been trying to create my very first game for quite a while, followed some tutorials and stuff, but I am stuck at creating my entity system. I have made a class that extends the Entity class and ...
1
vote
1answer
268 views

How to only render part of an image in lwjgl/openGL

I'm making a mining/building game in java using slick2D and I want to make it so you can only see a few blocks in any direction while you are underground. The best example I could find of what I want ...
0
votes
1answer
99 views

Streaming resources

I'm writing a game using the Slick2D library. I recently added a loading screen using deferred loading. I use the Music class to load OGG files to be used as music. These take an excessive amount of ...
0
votes
0answers
411 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( ...
0
votes
3answers
491 views

Tile Map World Background

I am making a 2D top-down game in Java using the Slick2D library. However, this question applies to all ways of making games of this nature. My question is: How would I do a background for the world. ...
1
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0answers
82 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 ...
2
votes
1answer
53 views

What measurement units are used in the return value of the getWidth method in the UnicodeFont class supplied by Slick2D?

I'm working on a small component for a game that essentially wraps the provided String so that it fits within the width of the provided rectangle. The rectangle is provided by the Slick2D library as ...
1
vote
0answers
142 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 ...
1
vote
1answer
684 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 ...
4
votes
1answer
2k views

How do I draw a full resolution texture to a window of the same resolution?

My image is 1280x800, and my screen size is 1280x800. It should draw perfectly. I'm creating a quad the size of the screen, and setting the texture to fit the quad. But right now it draws a square ...
1
vote
1answer
3k views

How do I detect and handle collisions using a tile property with Slick2D?

I am trying to set up collision detection in Slick2D based on a tilemap. I currently have two layers on the maps I'm using, a background layer, and a collision layer. The collision layer has a tile ...
1
vote
1answer
154 views

(Java + Slick) How to rotate the Graphics (g) around the X-Axis?

I already tried it by using GL11.glRotatef(45, 1, 0, 0), but the result looks like this:
-2
votes
3answers
1k views

LWJGL vs Slick2D vs OpenGL. What is the difference?

I was wondering what the difference was between LWJGL, Slick2D, and OpenGL. If I'm not mistaken LWJGL is a library and it has the methods and such, but what are the other two for and how do they use ...
0
votes
1answer
806 views

Slick2D and Nifty GUI

I am currently trying to combine both slick2d and nifty to work together. I've had some amount of success - I can now actually run my test and it won't crash. As far as I can tell, it will also ...
1
vote
1answer
337 views

Slick2D : translate -> scale -> translate doesn't return to the old position

I am trying to implement zoom using Slick2D library. As I understand, to zoom something on non (0,0) coordinates, we need: translate so the target point is in (0,0) apply scale factor translate the ...
5
votes
3answers
246 views

Serialization of objects problem

i have a problem with serialization (saving and loading game variabiles), when i save evreything seems to be saving correctly but when i try to load it only detects first 3 objects i saved and the ...
1
vote
3answers
388 views

Why does my collision implementation cause my player to “bounce” when a collision occurs?

I have a player polygon and I check to see if it's colliding with my tiled map with this method: public static boolean playerCollisionWith() { for(int i = 0; i < Blockmap.entities.size(); i++) ...
-1
votes
1answer
472 views

Slick2D and TileD [closed]

I've been learning Java for a while, and with my aims of being a game developer later in life, I've came across Slick2D+lwjgl and following tutorials and making some little things. However; I don't ...
1
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0answers
166 views

Steering behaviour [closed]

So I found this steering behaviour code in a book but i dont really understand the last part of the code what exactly is he doing because im unfamiliar with c++. Why would you need to ...
1
vote
2answers
143 views

Java looking in wrong directory for XML [closed]

I found this suggestion on a Stack Exchange site to print out what the current directory is: File file = new File("."); for(String fileNames : file.list()) System.out.println(fileNames); ...
0
votes
1answer
202 views

How can I compute the average color of a texture?

I'm making a mini-map system for my tile based game, and I thought the best way to accomplish this would be the following: At the beginning of the game, I calculate the predominant color of every ...
0
votes
1answer
95 views

Follow behavior with randomization factor

I'm trying to make enemy follow player as in picture below, the code below is code for following player with steering behavior ( i'm not sure it steering works tho but it does follow player ), how ...
3
votes
1answer
347 views

Dynamic “Light Level” System based on alpha levels

My team and I have been working on a game in Java using the Slick2D engine and there are a few things I have questions on. As of right now, the code that I've written basically takes a cosine function ...
2
votes
1answer
366 views

MVC with looping view

For our school project we'd like to develop a game using the MVC pattern. We're all moderate new java programmers and absolutely new in game development. With our current view (containing only menu) ...
0
votes
1answer
164 views

Slick2d Particles loading xml returning null [closed]

I've made a particle class that creates a particle of Slick2d library, but the XML file doesn't want to load , it keeps giving me null error. I gave it the path as I do for everything but it refuses ...
-2
votes
1answer
145 views

How to properly limit movement based on collision [closed]

I have a confusing problem on my hands. I've managed to get tile-based collision working, and I'm using the following code in my update loop to restrict my character's movement. for (Block b ...
-5
votes
1answer
189 views

Writing and reading from an XML file with Slick2D [closed]

I was wondering how you would go about writing and the reading from an XML file using the Java library Slick2D. I have googled for the last couple of days and have found nothing succinct and simple ...
0
votes
1answer
73 views

Hiding pixels inside a Shape

I have a player wich is a png image and I want a part of him to be able to go behind things, so I need to know how to hide pixels that are inside of a shape
-2
votes
2answers
187 views

How can I display an image for a predetermined amount of time?

I want to display an image, then return to the previous after one second when a certain key is pressed. I'm using Slick2d and Java. How can I accomplish this?
0
votes
1answer
155 views

Java Slick2d particles error [closed]

When i run the game particles crash the game, im not sure what am i doing wrong because the program doesnt tell me. But i know particles are causing this , if i remove the code in update code at ...
-2
votes
1answer
188 views

Entity moving Up and Down but not Left and Right [closed]

I am trying to create an entity class for my game but I'm having difficulty with the movement, I can get the sprite moving along the Y-Axis but not along the X-Axis. Here's my code:- package Game; ...
1
vote
4answers
326 views

Java Slick2d collision feedback [closed]

I'm trying to build a collision response ( it uses vectors2f from slick2d ) so that enemies don't overlap on each other so basicly what I'm doing right now is, I loop trough all enemies in array ...
1
vote
1answer
659 views

Java Slick2d Delta ( time )

In Java slick2d , i started printing out Delta which is supposed to be the time and it prints out is 16 or 17 forever, so how does this help me if i want to tell an object when it needs to do ...
3
votes
3answers
263 views

How do I undo changing the color of an image in Slick2d?

This code colors the enemy red: enemies.get(i).image.setColor(0,1,0,0,1); enemies.get(i).image.setColor(1,1,0,0,1); enemies.get(i).image.setColor(2,1,0,0,1); enemies.get(i).image.setColor(3,1,0,0,1); ...
1
vote
2answers
350 views

Inputting Only Alphabetical Input - Slick2D

I'm trying to obtain the user input for when they enter their own name. However I would prefer to have it Alphabetically. This is what I'm doing at the moment: if (input.isKeyDown(Input.KEY_A)) ...
0
votes
1answer
260 views

How do I pass textures into a fragment shader in Slick?

I've written a shader that uses three different textures, tex0, tex1, and tex2. I can load it into Slick and successfully display it, but I can't figure out how to set the three different textures. ...
1
vote
2answers
646 views

Removing the titlebar while using slick2d?

I recently started using slick2D in my gaming programs and a problem I have is not having the ability to remove the border/titlebar. I usually do this to create my own cutom look/ interface but if I ...
0
votes
1answer
1k views

Interpolating a player between two 2D points?

I would like a player to be able to move in a direction smoothly, whilst sticking to a fixed grid. Much like in Pokemon, how the player can move, but when the key is pressed and released quickly, they ...
1
vote
0answers
498 views

Why won't my Box2d bodies collide? [closed]

I'm doing something wrong when trying to get bodies to collide using jBox2d & Slick2d. Here is have just my basic init, update, and render methods. Render and update seem to work fine for drawing ...
0
votes
2answers
598 views

How to translate from Slick2d coordinates to jBox2d

I read through this question to try and get a grasp on the topic, but I can't figure out how to apply this to my Slick2d window. I'm trying to do something as simple as place an edge on the bottom of ...
-1
votes
1answer
150 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 ...
-3
votes
1answer
2k views

Java2D Collision Detection

I've been wrapping my head around Java2D collision detection. I am working with Slick library and trying to figure a simple clean code to check if a collision has occurred. The idea is fairly simple, ...
0
votes
2answers
87 views

Checking bounds of a quad

I want to know how would I tell if a quad touches another quad in my game built in Slick2D. I have a class that I named "Bounds" which has 4 "Point" objects which just store an X and a Y value and a ...
0
votes
5answers
460 views

Limiting a player's movement to the screen's dimensions

I have a player, that I can control using WASD. And I don't want him to leave the screen. So I've tried the following: if (player1.getX()+5 < 974 && player1.getX()-5 > 0) { ...
0
votes
1answer
621 views

Box2D and Slick2D: Graphics bug [closed]

The bug The physics ground represented by a horizontal line. The object is stationary, and seems to be pretending that the ground is lower. This is because the center of the Shape is incorrectly ...
0
votes
2answers
207 views

Images not rendering in Slick

I have built a game that uses the Slick framework. The maps are tmx files and were built using TileD. The game iterates through a list of players and maps - once a game with a player and map is ...