assert that fixed object has object mask before marking it
assert that fixed object has object mask before marking it

bgould/avian,lwahlmeier/avian,bigfatbrowncat/avian-pack.avian,dicej/avian,minor-jason/avian,ucdseniordesign/avian,bigfatbrowncat/avian-pack.avian,MaartenR/avian,joshuawarner32/avian,minor-jason/avian,lwahlmeier/avian,getlantern/avian,dicej/avian,ucdseniordesign/avian,ucdseniordesign/avian,lostdj/avian,joshuawarner32/avian,lwahlmeier/avian,joshuawarner32/avian,MaartenR/avian,joshuawarner32/avian,badlogic/avian,badlogic/avian,marcinolawski/avian,marcinolawski/avian,bigfatbrowncat/avian-pack.avian,bigfatbrowncat/avian-pack.avian,bgould/avian,badlogic/avian,ucdseniordesign/avian,lostdj/avian,bgould/avian,getlantern/avian,bgould/avian,dicej/avian,minor-jason/avian,marcinolawski/avian,minor-jason/avian,MaartenR/avian,getlantern/avian,lostdj/avian,lwahlmeier/avian,getlantern/avian,dicej/avian,MaartenR/avian,marcinolawski/avian,lostdj/avian,badlogic/avian