All Questions
4 questions
-1
votes
1
answer
34
views
Projecting Vectors (3D to 2D) Using Homogeneous Coordinates, With Known Camera Calibration
Suppose I have vectors in a 3D space (their starting points, dx, dy, and dz), and I would like to project them onto a camera, which I already have as a 3x4 projection matrix.
I can of course project ...
- 1
1
vote
1
answer
84
views
Help understanding tangent from dot product and max distance from component wise vector multiplication
I am looking through this code and seeing two things which confuse me (well, the whole functions does) in the top functions.
First, dir * p where ...
- 11
5
votes
1
answer
170
views
Where should I project a polygon corner when it is behind me?
I am creating a simple 3D engine as a learning project to get the hang on spherical trigonometry. I am using the following approach.
1. A model consists of a lot of triangular faces.
2. Each triangle ...
4
votes
2
answers
193
views
intersection between line segments - narrowed precondition
I believe that the issue may already have been discussed here. I want to find if two line segments does intersect and if they do then find and store and intesection points. Now it is already confirmed ...
- 1,289