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

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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
1k views

Slick2D TileD Map Editor Properties [closed]

So I used the following post to help me render my isometric map in Slick2D: Slick2D Isometric TiledMap Rendering Problem Big thanks and credit to arminb for the code supplied and for the fix to be ...
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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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2answers
1k views

Slick2D Isometric TiledMap Rendering Problem

I created a Tiled Map using the Tiled Map Editor. In the Editor it looks like this: Desired State In my java program it looks like this: Actual State My java code is: public class Game extends ...
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4answers
2k views

Should each Entity have its own update and render methods?

First, the questions: Should each Entity (which are classes like Character, Tree, Enemy) have its own update() and render() methods? If that's the case, then should I use Interfaces like ...
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1answer
826 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
92 views

Why are only some of my objects being rendered?

Every time I create a new asteroid the previous one is no longer rendered? I did some debugging and printed out the size of Array-List 'Small' and when a new asteroid is created it doesn't go down, ...
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2answers
490 views

16-bit PNGs in Slick2D

I'm working on a project and I'm using some 3rd party sprites just to get it off the ground; recently I've come into a hitch. Slick2D doesn't seem to want to load my images. That is, it will warn me ...
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1answer
257 views

Putting a Java/Slick game on your website?

I've made a simple little 2D game in Java using Slick and I want to embed it in my website. I'm just a little confused as to how to go about it, I'm guessing I need to export it as a WAR file? Sorry ...
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1answer
2k views

How to change screen resolution in slick2d?

I released my game for testing for both windows and mac. I'm using mac as my development workspace. My friends uses windows and the window was to big. I created a 1000*1500 Screen window. I can change ...
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2answers
3k views

How to add text box in slick2d?

I wanted to let the player rename the character of my game. So I thought that making a text box and when he clicks the ok button, the text inside the text box will make it to a string and render it on ...
0
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1answer
899 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
122 views

Is there any map maker for javaME game? [closed]

For the past two weeks I was trying to make a map maker for my java ME 2D RPG game. I failed because i get errors using slick TWL and the forum for this is inactive. So I just wondered is there ...
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3answers
475 views

How to choose cell to put entity in in an uniform grid used for broad phase collision detection?

I'm trying to implement the broad phase of my collision detection algorithm. My game is an arcade game with lot of moving entities in an open space with relatively equivalent sizes. Regarding the ...
3
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1answer
2k views

How a “Collision System” should be implemented?

My game is written using a entity system approach using Artemis Framework. Right know my collision detection is called from the Movement System but i'm wondering if it's a proper way to do collision ...
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0answers
31 views

How do I convert mouse co-ordinates in Slick2d java? [duplicate]

Possible Duplicate: Java Slick2d - How to translate mouse coordinates to world coordinates I'm really new in Java and I really want to how do I convert the mouse clicks to co-ordinates in ...
3
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1answer
690 views

How can I set the rotation of a shape to the same as my image?

The way you set rotations of images is different from setting shape rotations. So how can I make the shape have the same rotation as my image? This is how my image rotates: ...
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1answer
415 views

Fixing a collision detection bug in Slick2D

My game has a bug with collision detection. If you go against the wall and tap forward/back sometimes the game thinks the speed you travelled at is 0 and the game doesn't know how to get you out of ...
2
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1answer
140 views

How to decide face side of sprite

I am just starting game-dev with slick2D and marte engine. When I move my sprite left and right, I am doing walk animation but when the key is released how can I decide in which side the sprite face ...
3
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2answers
2k views

How do you set the movement speed of a sprite?

I'm using Slick 2D/Java to play around with graphics. Getting an image to move is easy: Input input = gc.getInput(); if(input.isKeyDown(sprite.up)){ sprite.y--; }else if ...
4
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4answers
534 views

Can a high FPS negatively affect how a program runs?

Yeah I know this is a broad question and will get down rated, I'm just hoping for some answer before it gets closed. Anyway, I'm using Slick 2D/Java to play around with graphics. I'm having some ...
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1answer
174 views

Rotate an image in a scaled context

Here is my working piece of code to rotate an image toward a point (in my case, the mouse cursor). float dx = newx - ploc.x; float dy = newy - ploc.y; float angle = (float) ...
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1answer
74 views

Help, i cant reference my vars! [closed]

I have a sub-class(let's call it sub) and it contains all the function of an object in my game. In my main class(Let's call it main), i connect my sub to main. (Example sub Code: s = new sub(); ...
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1answer
145 views

Is it the class that slows down the game? [closed]

My framerate lastime exceeds 1000 now the highest is 15. I have thousands lines of code in one class(I was still fresh last time and did not think of putting it in another class) Is it the class that ...
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2answers
1k views

How do I make time?

I wanted to output a text for a certain amount of time. One way is to use threads. Are there any other ways? I can't use threads for slick2d. This is my code when I use threads for slick: package ...
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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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1answer
1k views

How to remove the FPS text on slick2d?

How do I remove the frame rate text on the upper left corner?
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1answer
1k views

Java 2D Tile Collision

I have been working on a way to do collision detection forever, and just can't figure it out. Here's my simple 2D array: for (int x = 0; x < 16; x++) { for (int y = 0; y < 16; y++) { ...
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1answer
594 views

How to I get a rotated sprite to move left or right?

Using Java/Slick 2D, I'm using the mouse to rotate a sprite on the screen and the directional keys (in this case, WASD) to move the spite. Forwards and backwards is easy, just position += ...
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votes
2answers
184 views

How to stop reducing life? [closed]

CODE Input input = gc.getInput(); int xpos = Mouse.getX(); int ypos = Mouse.getY(); emu = "Enemy Life : " + enemyLife; Life = "Your Life Is" + life; ...
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1answer
156 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?
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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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2answers
674 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
94 views

How to use outside int to be used in my class? [closed]

I wanted my character's life to be the same as the other game state. My other game state is different the from my original state. I wanted to link my int to my new game state to make it the same. How ...
4
votes
2answers
9k views

How can I move a sprite in the direction it is facing?

I'm using Java/Slick 2D. I'm trying to use the mouse to rotate the sprite and the arrow keys to move the sprite. I can get the sprite to rotate no problem, but I cannot get it to move in the direction ...
-1
votes
1answer
748 views

Resource not found?

When I write in my terminal, java -jar myJar.jar, it gives me an error "Resource Not found res/playNow.png" When I run it in eclipse, it does not give me any errors about this image. My folder in my ...
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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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1answer
440 views

How to make an Image still when at position at Slick 2D?

I wanted to have a build functions. When I press for example 2, the image will appear with my character. The question is, how do I stop it from following my character //build //I created many ...
2
votes
1answer
1k views

How do I make my Slick2D game fullscreen?

How do I make my game fullscreen? It's always in windowed mode. I'm using Eclipse on a Mac.
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2answers
154 views

How do I add Destroy with radius on Java Slick2d? [closed]

For Example, There is a tree(image) and i want to destroy it. I want my character only destroy it (For example the character must be facing the tree to destroy it and there must be a range were you ...
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2answers
2k views

Creating maps and tileset for a 2d java game

I'm not a completly beginner to java, so I decided to write a map loader and a tileset loader myself instead of using a tilemap editor like Tiled. I'm using Slick & LWJGL for my game. The plan ...
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1answer
85 views

Variable Visibility Class Interaction

I have a very general question about how game classes interact with eachother in a growing RPG game project I'm working on. (Writing it in java/Slick2D, not that is matters because the question is ...
0
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1answer
110 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
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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 ...
1
vote
2answers
2k views

How to efficiently manage animations and/or textures (resources) in a game?

I am using Java, particularly the Slick2D library. Seeing as this is my first game, I have no idea how I should manage the Animations and the textures in the game in a way to be both memory efficient ...
2
votes
1answer
2k views

How can I accomplish Pokemon-style movement over tiles in java?

I'm talking about where if you press a directional key once you walk over to the adjacent tile and can't do any other actions during the walk. I can get my character to move one tile width, but my ...
1
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1answer
298 views

Invert colors Java rendering

I am making a 2d platformer in java using the slick2d engine. I only use 2 colors: black and white. I want to implement a feature were i invert the colors of certain entities. However i can't find a ...
1
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1answer
2k views

Vector movement in space type game (Mouse rotation)

I'm having an issue with my movement in my 'game' prototype. It's basically not working and admittedly my knowledge with vectors is lacking. The issue I'm running into is that the ship won't move in ...
2
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3answers
186 views

Positioning entities in adjacent maps

Say I have a 2D tile based game engine (I don't, but I will soon). I was wondering how I would manage drawing adjacent maps. That is, imagine we have a map that is 50 by 50 tiles wide. Then next to ...
4
votes
2answers
2k views

How to get smooth transition within slick?

When a player clicks start, my app immediately switches to the first level. My question is how do I incorporate a smooth transition within Slick?