It doesn't appear on my system either - looks like it's representing the horizon though.
2.
Rect 0,0,128+1,128+1,0
is a shorter version of
Line 0,0,128,0
Line 0,0,0,128
It may well be but in both instances you're still writing outwith the texturebuffer which can give you issues on some graphics cards.
Anyway, it's clear that this isn't a bug so should really be on this forum.
Stevie
2.
Rect 0,0,128+1,128+1,0
is a shorter version of
Line 0,0,128,0
Line 0,0,0,128
It may well be but in both instances you're still writing outwith the texturebuffer which can give you issues on some graphics cards.
Anyway, it's clear that this isn't a bug so should really be on this forum.
Stevie