Tagged Questions
The Lightweight Java Game Library (LWJGL) provides access to high performance, cross-platform libraries OpenGL and OpenAL. Additionally LWJGL provides access to controllers such as Gamepads, Steering wheel and Joysticks.
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31 views
3D picking lwjgl
I have written some code to preform 3D picking that for some reason dosn't work entirely correct! (Im using LWJGL just so you know.)
I posted this at stackoverflow at first but after researching some ...
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1answer
81 views
How do I determine if a tile is a slope based on the tile image?
In my game, every tile is a 32x32 texture. All the slopes are a 0 - 45 degree angle. I would like to determine, at the time I load the tile, if the is sloped by examining its texture/bitmap data. How ...
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0answers
100 views
ParticleSystem in Slick2d (with MarteEngine)
First of all, sorry if this sounds very newbie-ish. I'm stuck at making a ParticleSystem I made using Pedigree to work in my game. It's basically an explosion that I want to display whenever an enemy ...
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vote
1answer
89 views
Need some help implementing VBO's with Frustum Culling
i'm currently developing my first 3D game for a school project, the game world is completely inspired by minecraft (world completely made out of cubes). I'm currently seeking to improve the ...
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3answers
208 views
How can I change this isometric engine to make it so that you could distinguish between blocks that are on different planes?
I have been working on an isometric minecraft-esque game engine for a strategy game I plan on making. As you can see, it really needs some sort of shading. It is difficult to distinguish between ...
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2answers
196 views
What is the primary use of Vertex Buffer Objects?
From what I've read, it seems VBOs are purely for performance.
I'm working on a very rudimentary learning project in lwjgl and I'm just trying to figure out what more advanced features of the library ...
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vote
1answer
59 views
Frame Buffer Objects vs calling TexCoord2f?
I'm learning the basics of OpenGL with lwjgl currently, and following a guide I've got textured quads that can move around a scene.
I've been reading about Frame Buffer Objects, and I'm not really ...
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votes
2answers
107 views
How does this snippet of code create a ray direction vector?
In the Minecraft source code, this code is used to create a direction vector for a ray from pitch and yaw:'
float f1 = MathHelper.cos(-rotationYaw * 0.01745329F - 3.141593F);
float f3 = ...
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1answer
148 views
Ray picking - get direction from pitch and yaw
I am attempting to cast a ray from the center of the screen and check for collisions with objects.
When rendering, I use these calls to set up the camera:
GL11.glRotated(mPitch, 1, 0, 0);
...
7
votes
3answers
344 views
How can I make OpenGL textures scale without becoming blurry?
I'm using OpenGL through LWJGL.
I have a 16x16 textured quad rendering at 16x16. When I change it's scale amount, the quad grows, then becomes blurrier as it gets larger.
How can I make it scale ...
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3answers
195 views
Packaging Jar with External Libraries in Eclipse
I have a class called Game in the package net.aGameName and am trying to export a runnable Jar using eclipse. In the project I have two external Jar files added, lwjgl.jar and lwjgl_util.jar.
When I ...
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1answer
516 views
Making a HUD/GUI with OpenGL (LWJGL)
I'm at the stage in my game development where I need to make a HUD or GUI. I've never gotten to this part, so I don't know how its done. I tried rendering a simple quad at a fixed position on the ...
3
votes
1answer
105 views
Restricting Camera Movements with OpenGL
I've been programming a game using the Java library LWJGL. I've got a little problem, though. It is a 2D game, and I'm aiming for a game like the original Civilization (I quick Google of "Civilization ...
4
votes
3answers
388 views
Rendering only what is on the screen
I am fairly new to this world, so bear with me.
I have a grid of blocks in a top-down, 2d game written using Slick. The best way to think of it is the Pokemon world.
Right now, I am rendering all ...
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1answer
224 views
LWJGL Rendering a 2D Object at a Certain Position On-Screen
Okay, so in LWJGL, how can I render a 2D object (maybe for like a menu, or meter that shows up on screen during the game), and have control over size and position on screen? So I can tell it what ...
