A ray's crossings with a mesh (CpuMeshBvh.rayCrossings), as the GPU's BvhRayCrossings.
BvhRayCrossings
Readonly
Every triangle the ray crosses at t >= 0.
t >= 0
+1 per triangle left through its front side, -1 per one entered through it.
A ray's crossings with a mesh (CpuMeshBvh.rayCrossings), as the GPU's
BvhRayCrossings.