if(%1 != dragging,
spheretoscreen(ath, atv, hotspotcenterx, hotspotcentery);
sub(drag_adjustx, mouse.stagex, hotspotcenterx);
sub(drag_adjusty, mouse.stagey, hotspotcentery);
draghotspot(dragging);
,
if(pressed,
sub(dx, mouse.stagex, drag_adjustx);
sub(dy, mouse.stagey, drag_adjusty);
screentosphere(dx, dy, ath, atv);
delayedcall(0, draghotspot(dragging) );
);
);