Motion blur flag for hit cleared

Motion blur flag for hit cleared

Imagen de Emil K.

Hi, first of all, thanks to the devs who are so actively responding to the topics in this forum.

Now to the question, is there a good reason to clear the MSB of hit.id0, when MB triangle was intersected (hit.id0 = tri.id0[i] & 0x7FFFFFFF; )? I'd really like to check this flag when an intersection occured, to see if MB primitive was intersected, but it is cleared by embree.

Thanks

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Imagen de Keymaster

Looks like a flag that the triangle is moving is stored there:

triangle4i.h:

*! moving triangle */
if (id0[i] & 0x80000000)
{

Imagen de Sven Woop (Intel)

You can disable the clearing of this flag, however, then you have to be carefull that the renderer clears it when used to access an object by its ID.

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