SetImageConstantHeight

Parameters
whichImage image
flag boolean
height real
comment

Untested, but if its decription can account for anthing, it locks the Z position to the given height, if the flag is true. After a bit of testing i concluded that this is the only function thats able to modify an images Z offset.

patch

1.18a

return type
nothing
Source code
native SetImageConstantHeight       takes image whichImage, boolean flag, real height returns nothing
Source
common.j
wc3modding.com
SetImageConstantHeight