All Questions
6 questions
5
votes
2
answers
10k
views
4x4 matrix implementation in C++
I've been doing some 3D graphics in OpenGL lately and I needed a way to work with 4x4 matrices. My implementation supports the following operations:
Matrix-matrix addition.
Matrix-matrix subtraction.
...
- 15.9k
3
votes
0
answers
80
views
Calculating OpenGL view matrices
I'd like a little help here calculating the view matrix for OpenGL based on the lookat type function:
...
- 205
1
vote
1
answer
227
views
4D matrix math library for use with OpenGL
I am trying to create a simple library for C to handle OpenGL matrix operations.
You can see the vec3fscalar here.
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- 205
6
votes
2
answers
438
views
Quaternion rotations and preparing matrices for a shader
I am implementing an OpenGL ES 2.0 renderer in c. I want to use quaternions for rotations. Please take a look at the way I am implementing the rotation math. Everything looks as expected when the ...
- 161
7
votes
2
answers
3k
views
User controlled rotation with arcBall
I am trying to visualize a pointcloud centered around the origin. I also want to have a user controlled rotation for which I found the arcball.
rMat is the model ...
- 13k
5
votes
2
answers
222
views
Optimizing garbage collection for local objects
I am trying to make a 3D application with OpenGL/LWJGL at the moment, but I am now already hitting some limits on the JVM, most likely due to a configuration that needs to be done.
I have the ...
- 10.7k