0
votes
0answers
37 views

Umbra and penumbra by ray-plane intersection [closed]

I have 2D surfaces in 3D space which cause shadows on another and I need to calculate the surfaces which are in the shadow or partially in the shadow. Would a ray-plane intersection do this?
0
votes
1answer
92 views

Degenerate AABB (axis aligned bounding box), does this always intersect?

I'm studying ray-AABB intersections and I'm asking myself: what would happen if one of the dimensions of the axis aligned bounding box was degenerated? For instance: AABB_min = {1,1,1} AABB_max = ...
3
votes
2answers
217 views

How does a point squared equal the radius squared?

I am working on a simple ray tracer but I don't understand some of the formulas. One that is bugging me at the moment is this: If a sphere is centred at origin, a point p lies on a sphere of ...
3
votes
1answer
352 views

Procedural mesh generation from raytracer

I'm interested in applying the following technique: Define game objects using a object definition DSL similar to what you would use for a raytracer (e.g. POVRay) Use a specialised raytracer to ...
0
votes
2answers
211 views

Which optional features would you recommend for a raytracer? [closed]

I'm developing a basic triangle mesh raytracer on a short deadline. This means I can't implement every feature I come across, so I'm looking for some feedback about which features you think are most ...