Polygon order on a single surface

Blitz3D Forums/Blitz3D Programming/Polygon order on a single surface

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What I'm trying to do is add quads to a surface so that certain quads specifically appear in front or behind others. I understood that this could be acheived by building the quads in the order you want them displayed - first quad created is behind all the others etc...

This doesn't seem to be working for me - is my understanding of this wrong?