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

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160 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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1answer
733 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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1answer
161 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:
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1answer
375 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 ...
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0answers
174 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 ...
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0answers
535 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 ...
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1answer
3k views

Rotation of images in Slick2D

I have have a rotation problem in the Slick2d library, the image is just not rotating (ie I set a rotation but no result is shown). Here is the rotation code: if (input.IsKeyDown(Input.KEY_LEFT)) { ...
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5answers
477 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) { ...
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1answer
164 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 ...
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2answers
891 views

deciding user movement path - slick 2D

i'm going to describe what need to be done... "there are circular areas marked in a map, large areas a person can easily move in to them and out of them" what i'm trying to do is deciding weather the ...
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1answer
124 views

Why does my character move up forever when he jumps with this code?

I've been doing some stupid stuff in Slick2D+LWJGL and I've run into a problem. I press the UP arrow and my character continues to go up until I let go :/ Here's the code: if ...
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2answers
198 views

Slick2D: constructor vs. init method

What is the difference between the constructor of a BasicGameState and the init method? It appears that they are both called at the same time when the BasicGameState is registered in StateBasedGame, ...
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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 ...
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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 ...
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2answers
88 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 ...
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2answers
1k views

How do I create a Loading Scene in SLick?

I actually wanted just a fake loading scene. For a fake loading scene, how do I make a time variable or a time Method? I'm still a fresh java programmer!
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1answer
1k views

How to implement HUD

I'm wondering how one could implement an HUD in LWJGL. I've seen tutorials on this, but they don't seem to work. I know the basic structure goes like this: init3d(); // 3d code init2d(); // HUD To ...
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1answer
399 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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3answers
509 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. ...
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1answer
218 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 ...
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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
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1answer
663 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 ...
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2answers
3k views

SpriteSheet in slick2d or lwjgl

import java.awt.image.BufferedImage; import java.io.IOException; import javax.imageio.ImageIO; public class SpriteSheet { private String path; public final int SIZE; public int[] pixels; ...
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1answer
109 views

Menu selection wont stay on selected option

My Menu has a START and a QUIT option. I'm using a controller's D-PAD for selection. The game begins with START highlighted. When I push the down button on the D-PAD, it highlights the QUIT option. ...
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1answer
715 views

Java - Finding distance between player and tile in array

What is the best way performance wise to do this? When I click a tile I want it to get the distance and if I am close enough I can interact with the tile. One way would be to find the tile by doing ...
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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
95 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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1answer
443 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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1answer
139 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
255 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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2answers
612 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 ...
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1answer
101 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 ...
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1answer
859 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 ...
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1answer
181 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 ...
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1answer
294 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. ...
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2answers
213 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 ...
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1answer
811 views

Does using LWJGL and Slick2D yield promise for the future of my project? [closed]

I've been looking around the net for months now in an attempt to find the most appropriate tool for my needs. I haven't had a lot of time to devote to the creation of systems that could possibly ...
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1answer
227 views

MarteEngine Tile Collision [closed]

I need to add collision to my tile map using MarteEngine. MarteEngine is built of of slick2D. Here's my tile generation code: Code: public void render(GameContainer gc, StateBasedGame game, Graphics ...
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2answers
670 views

Can't get sprite to rotate correctly? [closed]

I'm attempting to play with graphics using Java/Slick 2d. I'm trying to get my sprite to rotate to wherever the mouse is on the screen and then move accordingly. I figured the best way to do this was ...
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2answers
174 views

Unable to access jar. Why?

I was making a game in java and exported it as jar file. Then after that, I opeed jar splice. I added the libaries and exported jar. I added the natives then i made a main class. I created a fat jar ...
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3answers
1k views

How do you make bullets move at an angle in different angles using delta

I'm having trouble making my bullets move at a steady pace using delta. I have the formula I used outside of slick2d, but it doesn't take delta into account. My bullets fly fast. How do I make them go ...
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1answer
539 views

how to get the current location in the map surface - slick 2D

@Override public void mouseMoved(int oldx, int oldy, int newx, int newy) { super.mouseMoved(oldx, oldy, newx, newy); } we can get the mouse location in this method via newx, newy . i want to know ...
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1answer
379 views

How do I get the current location when using slick 2D library?

I'm developing a map kind of simple game using slick 2D library, and I want to get the current location of the user. When the user runs into a special location (ex: hole) to indicate that is ...
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0answers
19 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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0answers
18 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
32 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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0answers
76 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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0answers
52 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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0answers
23 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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0answers
119 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; ...