Where to find it:

NodeGraph / Right Mouse Click / Add Nodes / Math / Extension Pack / C /

calculate the cross product of two vectors.

Component selection can be done via the Nodes properties

https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/cross.xhtml

•X

Specifies the first of two vectors

•Y

Specifies the second of two vectors

•Output

Output in R,G,B channels with Alpha Channel of 1.0