make SET MATTE work as it should
SET MATTE should work like TRACK MATTES.
when using a shapelayer as the matte then the effect works fine,
but not with other footage.
AND NO.... i don't want to precompose every single s***.....
Make a Checkbox in the effect: work like TRACKMATTE.....done
The set matte is absolutely f***ing useless! After Effects seriously needs to modernise how it handles layers and precomps with mattes rather than the useless, broken features they keep adding.