Tagged Questions
-2
votes
2answers
53 views
Using Win32 and OpenGL in game loop? [closed]
I'm making a Java game library (too many problems with the existing ones) and I'm building the win64 native right now. In the native I need to handle the window, OpenGL contexts, and advanced ...
1
vote
0answers
57 views
How to implement a multi-platform Java 2D game engine's graphics?
I'm not sure whether this question should be posted here. I'm trying to make a basic generic game engine in Java. Here's what I have so far.
public abstract class Device {
public abstract void ...
-1
votes
0answers
57 views
OpenGL 2D Screen to 3D World
I'm in the process of making a block voxel game (not minecraft clone) and I now need to be able find which block I am looking at.
I've come across two methods: Ray tracing and gluUnProject
I found a ...
-3
votes
0answers
34 views
Using an OpenGL wrapper in Swing? [closed]
I'm building a custom OpenGL wrapper in Java. But I was wondering how do I link OpenGL commands to a Swing window? Thanks in advanced!
1
vote
2answers
69 views
Calling opengl32.DLL from java?
I don't like LWJGL in some cases, so I prefer to use Swing. The thing is that Swing doesn't have OpenGL. I have tried JOGL and it's a mess to install, needs external jars, and I have yet to get it ...
-1
votes
0answers
54 views
LWJGL - Switching from 3D to 2D to render text with NO external librarys [closed]
I want to render 2D quads on my screen by switching to a 2D scene then switching back to 3D.
I dont want to use any external librarys besides LWJGL.
This is what I got so far:
private static void ...
1
vote
0answers
48 views
How to put OpenGL in a state for drawing blended, colored, nontextured polys?
Using OpenGL1.1 (sadly) I'm trying to draw a cube, which is colored and alpha blended. It is instead showing up as opaque black. Even without including alpha in the color it still shows up as opaque ...
1
vote
1answer
184 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:
...
4
votes
2answers
159 views
3D models on 2D tilemap perspective when scrolling
I am creating a small top-down game, where the player traverses a 2D tilemap, with an illusion of depth provided by 3D models for things like buildings or trees.
Having gotten to the point where I ...
2
votes
1answer
85 views
Camera not strafing (GLSL)
I use this code in my GLSL vertex shader, where v_position is the vertex position:
gl_Position = v_position * u_camera;
and set u_camera as follows:
meshShader.setUniformMatrix("u_camera",
...
0
votes
1answer
49 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
75 views
LWJGL Game crashes on some other machines [closed]
I just tried running my game on a friend's laptop, but for some reason it crashes. The exported .jar runs fine on my machine, and some others too. I can see that is has something to do with the ...
3
votes
1answer
60 views
LWJGL Eclipse Resource Deployment
I'm still experimenting with some OpenGL in LWJGL, and as I get to know more and more about OpenGL, I start to do more complicated things like multi texturing, shadowmapping and more. Now, right now ...
3
votes
1answer
112 views
Cut a translucent square in a texture
How to remove (cut-out) a transparent rectangle in a Texture, so that the hole will be translucent.
On Android I would use the Xfermodes approach:
...
5
votes
1answer
431 views
OpenGL: Resizing Display and glOrtho/glViewport
I have researched this question from several sources and have yet to find a firm answer saying that "yes that is correct thinking" or "no, here is how it's done."
I am trying to ensure resolution ...
1
vote
2answers
188 views
Render rotated rectangle inside other rectangle bounds using Libgdx
I have this code to generate a red rectangle inside a grey rectangle:
new Rectangle(grey_rectangle_position_x, Game.SCREEN_HEIGHT/2-Rectangle.height/2,0);
This code makes the following:
Now, I ...
1
vote
2answers
104 views
LWJGL MouseY Coordinates are flipped
So I'm very new to using OpenGL and LWJGL, although I am proficient in Java itself.
One of the first things I read in the documentation of the Display class was that it maps the origin to the bottom ...
0
votes
1answer
84 views
Can I use multiple OpenGL version together
I want to use GLSL but keep my current OpenGL 1.1 setup. The thing is that can I use OpenGL 2.0 shaders on OpenGL 1.1 renders?
0
votes
0answers
77 views
LWJGL not working, need help [closed]
I'm trying to make a simple game in LWJGL but no matter what I do I just get a black screen and it becomes unresponsive. Here is the code that opens the window:
package src;
import ...
-3
votes
1answer
51 views
C++ Loading DLL Error [closed]
So I'm attempting to fix a OpenGL in Java problem by making a DLL in C++ and then call it from Java but I've ran into an issue. So I'm testing a basic DLL in C++ and I got this error: "error: ...
0
votes
5answers
308 views
Does Java support OpenGL by itself?
Note: This is long but I explaining everything that you need to know. Don't read half way through it and say "What's the question?". It's simple but long and I need help as soon as possible.
So I ...
1
vote
1answer
153 views
Can I mix OpenGL and swing?
I'm working on a small game library for me and some people I know that just handles the window and nothing special that we weren't gonna use. I know how to use OpenGL and stuff I just don't like ...
0
votes
0answers
73 views
gluLookat with LWJGL problems
I am very new to any sort of 3D programming and a lot of the resources either don't explain what each function or command is doing, or assume you have all of the knowledge already. I've looked at a ...
0
votes
1answer
155 views
Changing Yaw, Pitch And Roll OpenGL
I'm using LWJGL and OpenGL 1.1 at this time and I was wondering what command is used to change the yaw, pitch and roll?
0
votes
0answers
127 views
LWJGL Mouse Input [closed]
I have this mouse function in my LWJGL program:
public void mouseInput(){
int mouseX = Mouse.getX();
int mouseY = 600 - Mouse.getY();
int mouseDX = 0, mouseDY = 0;
int lastX = 0, ...
0
votes
2answers
153 views
Cant import Sun openGL
I've been working with JOGL and I've ran into a problem. The problem is when I try to import import com.sun.opengl.*; on Eclipse, Eclipse doesn't recognize it. Does anyone know where this library is? ...
0
votes
1answer
201 views
OpenGL first person camera orientation issues [closed]
I have a "camera" in my opengl program that I recently finished. However, I've noticed that whenever I rotate and then move again, the x, y, and z angles change. For example, when I press the "w" key, ...
-1
votes
1answer
95 views
OpenGL glMatrixMode rotation
I'm stuck on trying to figure out how to rotate the viewport(or camera). So far I've figured out I need to use the function glRotatef and glMatrixMode(GL_MODELVIEW). But I have no idea how to apply ...
2
votes
2answers
414 views
Move Camera Freely Around Object While Looking at It
I've got a 3D model loaded (a planet) and I have a camera that I want to allow the user to move freely around it. I have no problem getting the camera to orbit the planet around either the x or y ...
2
votes
1answer
112 views
OpenGL and Java user interface architecture/comunication [closed]
I'm working on the UIs for a turn based tactical rpg made with Java and LWJGL.
I'd like to make a set of "dynamic" UIs similar to those of the game Torchlight 2. I would like to know if there are any ...
