Tagged Questions
-1
votes
0answers
42 views
LWJGL - Eclipse error [on hold]
When I try to run my lwjgl project, an error pops . Here is the log file:
A fatal error has been detected by the Java Runtime Environment:
EXCEPTION_ACCESS_VIOLATION (0xc0000005) at ...
0
votes
1answer
59 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
33 views
LWJGL Java 2D collision when lagging
I'm using a tile based collision, but when the game is lagging (the lag isn't the problem) the collision fails and the player falls through tiles.
This is the movement/collision detection code of my ...
0
votes
3answers
70 views
Advantages and disadvantages of LWJGL for a beginner? [closed]
I am starting a 2D side scroller, tile based RPG sort of game in Java. I do have lots of knowledge in Java, so that's not a problem, but I have NO experience in game development, at all. I had found a ...
0
votes
0answers
48 views
OpenGL rendering tiles buggily
In my Terraria based game i use this code to render all of the tiles in 1 chunk:
// TODO Auto-generated method stub
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT);
for (Tile[] var : ...
5
votes
1answer
131 views
2D Polygon Triangulation
I am creating a game engine using the JBox2D physics engine. It only allows you to create polygon fixtures up to 8 vertices, To create a body with more than 8 vertices, you need to create multiple ...
5
votes
1answer
193 views
Implementing Vehicles in your game
In the game i am creating as an hobby (learning is the primal goal of it all) i plan to implement a space ship that the player can enter and use to explore it. I tried to search the internet for the ...
0
votes
1answer
79 views
LWJGL texture bleeding fix won't work
I tried a lot of things to fix texture bleeding, but nothing works. I don't want to add a transparent border around my textures, because I already got too many and it would take too much time and I ...
0
votes
0answers
25 views
LWJGL 2d textures incorrectly loading
I'm switching from 3d to 2d and then drawing an image in the bottom right corner.
The window is 800x600
The image is 400x300
When it is drawn however, the image is skewed and smaller than the ...
0
votes
1answer
191 views
Simulate camera movement in two dimensions (OpenGL)
I've been told by the folks over at Stack Overflow that there's no way to move the camera in OpenGL. I'm developing a 2D RPG with LWJGL and need to know the proper way to simulate camera movement as ...
1
vote
0answers
140 views
Weapon Class Organization
Im making a game and i want to organise my weapons, and im having a few doubts on not only the best architecture but also on how to use it properly:
The First approach is to make a single Weapon ...
0
votes
0answers
108 views
Why must VBOs be “broken in?”
If I create a VBO in LWJGL of, say, 128,000 vertices, and push it to the graphics card, there's a considerable delay. This delay lasts for about 11 to 12 milliseconds. The same thing happens the ...
2
votes
1answer
34 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 ...
2
votes
0answers
63 views
Add vertices to “middle” of VBO
I've been playing around with VBOs as of late (mostly because my game necessitates it), and I've found the need to add new vertices to a VBO, but not necessarily at the end. The game in question is a ...
0
votes
0answers
19 views
LWJGL Exporting errors [duplicate]
Whenever I try to open the Jar File I compiled and exported out of Eclipse ( even in the console ) I get this error message:
Exception in thread "Thread-1" java.lang.UnsatisfiedLinkError: no lwjgl in ...
2
votes
0answers
95 views
VBO = glGenBuffers() IllegalStateException
i'm kinda noob in OpenGL but I have this problem: I get an IllegalStateException at this code:
int vboVertex = glGenBuffers();
In-detail exception:
Exception in thread "main" ...
1
vote
0answers
60 views
Exporting from eclipse with lwjgl using jarsplice
I am in the process of developing a 2D tilebased rpg with eclipse, lwjgl, and slick util.
For some reason eclipse seems to be lagging heavily which doesnt make sense as all i have rendering is a ...
0
votes
1answer
51 views
How do I use ContactListener in JBOX2D?
I have a character, and I need to know when he's touching a wall/floor. I look for some information but no luck. How do I do that? I saw a few things about ContactListeners and getContactList(). But I ...
4
votes
1answer
136 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 ...
0
votes
1answer
141 views
Map handling - Indoors/Outdoors and loading large maps
I have two questions regarding the handling of maps.
Question 1. My map will consist of outdoor enviroments as well as dungeons, houses etc. How would I go on about connecting the outdoors with the ...
1
vote
1answer
63 views
LWJGL Wait for key press in a single method
Currently I am implementing the possibility in my game to change the keyboard configuration.
Therefor, I have a menu in which is a button for each action the player can do. If the player clicks on one ...
1
vote
1answer
193 views
jMonkeyEngine Pros and Cons
I want to know some good reasons to use jMonkeyEngine for a Java 3d game development tool instead of just creating a game with LWJGL myself? I want to know a good reason I should choose this tool. ...
1
vote
2answers
155 views
Map logical coordinates to graphical for walking
I'm having a problem with mapping logical coordinates to graphical ones when my character is walking. I've been able to map them without the graphical walking in between, i.e it just "jumps" from one ...
0
votes
1answer
135 views
Textures not rendering with VBOs
After having used display lists for my programs since I started learning OpenGL, I've finally decided to switch to VBOs after experiencing a considerable amount of lag when I started work on a new ...
1
vote
1answer
80 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:
3
votes
1answer
137 views
Minimizing amount of comparisons for collisions?
In my 'Terraria' based game I am having lag issues. The cause of the lag is as follows:
Every update loop through all the tiles in the world:
If the rectangle that was passed as an arg intersects ...
1
vote
1answer
105 views
AI and rendering to screen
I'm using LWJGL, however I'm a bit confused on what to do.
I'm trying to write an AI simulation, however I'm stuck at this problem. I have one camera, and I plan to move the camera to the mob ...
4
votes
2answers
107 views
How to handle game elements with two depth values?
Please see the following image:
I want to be able to do what you see in the image but in a single wall, that is, the same wall is below the hero when I go down from it, and its above the hero if I ...
1
vote
1answer
144 views
Quaternions, Axis Angles and Rotation Matrices. Which of these should I use for FP Camera?
After 2 weeks of reading many math formulas and such I know what is a Quaternion, an Axis Angles and Matrices. I have made my own math libary (Java) to use on my game (LWJGL). But I'm really confused ...
1
vote
1answer
127 views
Slick2D + LWJGL collision system
So I've been learning java for a while and have explored slick and lwjgl before but went away from using Slick for a while. But I've recently gone back to using it (as I'm making a platformer and ...
1
vote
0answers
105 views
Why do my LWJGL fonts have dots and lines around them?
When we render fonts there are weird dots and lines around the text. I have no idea why this would happen. Here is an image of what it looks like:
Our font class looks like this:
package ...
1
vote
1answer
125 views
How to modify VBO data
I am learning LWJGL so i can start working on my game. In order to learn LWJGL I got the idea to implement the map builder so I can get comfortable with graphics programming. Now, for the map ...
1
vote
1answer
192 views
Packing jar files into library jar files
Firstly, this question is not about packing a simple jar file (e.g. lwjgl) into a runnable jar file. I know how to do this using JarSplice. So if I have a game which uses JInput, I will pack my game ...
-1
votes
1answer
75 views
Multithreading in lwjgl getting rid of sleep.
I'm trying to use multithreading in my game. However, I can't seem to get rid of the sleep.
If I don't it's a blank screen, as there is no time for the computer to actually render the triangleMob as ...
0
votes
0answers
46 views
Lwjgl camera causing movement to be mirrored
I'm having a problem in that everything is rendered and the movement is fine. However, everything seems to be mirrored. In the sense that the TriangleMob should move towards me, but it doesn't instead ...
0
votes
0answers
110 views
OpenGL: Attempt to allocate a texture to big for the current hardware
I'm getting the following error:
java.io.IOException: Attempt to allocate a texture to big for the current hardware
at ...
0
votes
1answer
171 views
How to use JBullet in LWJGL? [closed]
I have got a problem, because I wan't to add collision detection to my 3d game, which I am developing in Java, using the Lightweight Java Game Library (LWJGL). I have googled a bit, and I have found ...
0
votes
1answer
187 views
How can I implement infinite scrolling by scrolling the background's texture, not the quad? [duplicate]
I'm writing a 2D platformer game on Java with LWJGL. I'm doing this just for the sake of learning and not the result itself, so when I decided to implement scrolling I did it two ways I could invent ...
0
votes
0answers
76 views
Depth Test not working properly on Nvidia
So, I send a Development Test of my in-dev game to some friends, and they found out that the Depth Test in OpenGL does not work on Nvidia.
I use my own matrices and sent them to the shader, and at ...
-3
votes
2answers
332 views
Terrain Generation - Advanced [closed]
I need to generate terrain. Easy enough you might say, but I need to create Biomes if you will(Can't link of another name) lakes. Trees and on a height map.
So I have really no idea how to use a ...
-1
votes
1answer
176 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 ...
0
votes
1answer
132 views
Would it be inefficient to call LWJGL from C++?
I like LWJGL, but Java? Not so much. I recently found out a way to call Java methods from C++. But would this be inefficient? I mean, calling a C/C++ DLL from Java, just to be called back again into ...
1
vote
1answer
94 views
Can't get Depth testing to work (cube faces shine through)
I'm making my first steps with OpenGL with LWJGL. I am currenlty constructing a... wait for it... CUBE. Quite creative...
Up to now i made it to three of its faces and thats where the Problems began. ...
1
vote
1answer
151 views
Detecting collision with a 3D array of boxes
I am at the stage of my development process where I want to implement collision. Now I can think of a simple way of doing it, if the camera's x, y or z are inside the position of a certain cube then ...
-1
votes
1answer
179 views
Generating a grid of cubes in 3D space [closed]
I am trying to generate a grid of cubes in 3D space and It aint workin...
All im doing is for looping YXZ (in that order) (nested for loops) then im doing cubes[x][y][z] = ... (new Location(x,y,z))
...
2
votes
1answer
117 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) ...
-5
votes
1answer
71 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 ...
-2
votes
1answer
88 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;
...
4
votes
4answers
310 views
Storing data for a pokemon like game
The game I'm developing is close to Pokemon. How should I store the data? I am currently thinking of text files where I save the map and have a corresponding textfile for the trainers and their teams ...
1
vote
1answer
197 views
Sidescrolling troubles [closed]
I'm making a sidescroller using java and Lwjgl. But I'm having some trouble getting the screen to actually ... well... sidescroll. The world is randomly generated and drawn in blocks. Like so:
...
