>         #local v3 = vrotate(<0, 2.91>, y*3.5);
>         #local v4 = vrotate(<0, 3.03>, y*3.5);


This is the same as

>         #local v3 = vrotate(<0, 2.91,0>, y*3.5);
>         #local v4 = vrotate(<0, 3.03,0>, y*3.5);

and both the X and Z of the resulting vectors are zero.

what you meant to do was

>         #local v3 = vrotate(<0, 0, 2.91>, y*3.5);
>         #local v4 = vrotate(<0, 0, 3.03>, y*3.5);

 - Slime
[ http://www.slimeland.com/ ]

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