Quote from kwerti
Nope. It's a bit more complicated. The coords can only be from [0,16]. For a 32x32 texture, the top-left coord has its numbers divided by two (16 --> 8) and the bottom-right coord has its numbers divided by two after adding one (16 --> 17/2=8.5)
So if I'm understanding what you said correctly, it could still be done but I would need to do a little extra math? Or does json not accept demicals for those values?