PANEL *mypanel = pan_create( "bmap=mybullet; flags=VISIBLE | OVERLAY; pos_y = 130; pos_x = v;", 11);

This won't work. Try this instead:

PANEL *mypanel = pan_create( "bmap=mybullet; flags=VISIBLE | OVERLAY; pos_y = 130;", 11);
mypanel.pos_x = v;


"Falls das Resultat nicht einfach nur dermassen gut aussieht, sollten Sie nochmal von vorn anfangen..." - Manual

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