reflectionGroupId property

int reflectionGroupId
getter/setter pair

Reflectors sharing a non-negative group id share one capture per frame; give co-planar surfaces (tiles of one floor) the same id so they cost one scene render together. The default -1 gives this reflector its own capture. Surfaces in one group must be co-planar; the group's plane comes from one member.

Implementation

int reflectionGroupId;