RTCRay(3)

💖 RTCRay — bestie edition ✨

okay so this is the manual for RTCRay(3) from the Embree Ray Tracing Kernels 4 era, and ngl it's a short one but it's so important, iykyk. buckle up, it's the combined ray/hit structure and she is lowkey the main character of every intersection query you'll ever run 🎀

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🌸 NAME 🌸

RTCRayHit — the combined single ray/hit structure. one struct, two jobs, no notes 💅

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✨ SYNOPSIS ✨

#include <embree4/rtcore_ray.h>

struct RTCORE_ALIGN(16) RTCRayHit
{
  struct RTCRay ray;
  struct RTCHit hit;
};

like. look at her. aligned to 16, holding a ray and a hit. iconic behavior fr fr 🫶

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🦋 DESCRIPTION 🦋

so the RTCRayHit structure is literally what you hand to the rtcIntersect-type functions, okay? you put your ray in, and afterwards those hit fields are holding the intersection result. it's giving "input now, answer later" and honestly? obsessed 😭

the embree4/rtcore_ray.h header also defines the exact same ray/hit structure in structure of array (SOA) layout, for the API functions that take ray packets. and the sizes are:

• packets of size 4 → the RTCRayHit4 type
• packets of size 8 → the RTCRayHit8 type
• packets of size 16 → the RTCRayHit16 type

and on top of all that, the header also defines an RTCRayHitNt template so you can generate ray/hit packets of any arbitrary compile-time size you want. custom sizes? we love to see it 💜

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💀 EXIT STATUS 💀

not me checking this section and it's just… empty. nothing here bestie, genuinely nothing. no exit status, no vibe check, just silence 🙈

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🎀 SEE ALSO 🎀

• [RTCRay]
• [RTCHit]

go read those two next, they're the whole squad fr 🌈

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and that's the page!! brought to you by Embree Ray Tracing Kernels 4, filed under RTCRay(3) in the manual pages — mwah, love u, go intersect something pretty ✨💖