Word positions inside a BvhHitRecord (the 40-byte record of
HIT_RECORD_BYTES), for code that reads batch results back.
frontFace sits before barycentrics so the vec2f starts on an 8-byte
boundary and the record has no padding (wgsl.test.ts checks this against
the struct in batchEntryWgsl).
Word positions inside a
BvhHitRecord(the 40-byte record of HIT_RECORD_BYTES), for code that reads batch results back.frontFacesits beforebarycentricsso thevec2fstarts on an 8-byte boundary and the record has no padding (wgsl.test.tschecks this against the struct inbatchEntryWgsl).