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

learn more… | top users | synonyms (1)

1
vote
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
0answers
495 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 ...
1
vote
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)) { ...
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
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 ...
0
votes
2answers
868 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 ...
0
votes
1answer
121 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 ...
0
votes
2answers
180 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, ...
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 ...
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 ...
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
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!
0
votes
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 ...
0
votes
1answer
331 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 ...
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. ...
0
votes
1answer
201 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
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
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
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; ...
0
votes
1answer
108 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. ...
0
votes
1answer
679 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 ...
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 ...
0
votes
1answer
150 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 ...
0
votes
1answer
76 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
353 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 ...
0
votes
1answer
121 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, ...
0
votes
1answer
196 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. ...
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 ...
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
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 ...
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 ...
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. ...
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 ...
0
votes
1answer
767 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 ...
0
votes
1answer
224 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 ...
0
votes
2answers
649 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 ...
0
votes
2answers
173 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 ...
0
votes
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 ...
0
votes
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
1answer
532 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 ...
0
votes
1answer
376 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 ...
0
votes
0answers
27 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
32 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 ...
0
votes
1answer
28 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 ...
0
votes
0answers
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 ...
0
votes
0answers
59 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
0answers
65 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
1answer
64 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 ...
0
votes
1answer
34 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
65 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 ...