Used to be that if you stopped the moving bar right over the yellow area that you gathered the item instantly. Speculated to be intentionally disabled by devs as a stopgap against the exploit to exponentially widen the 'sweet spot' and instant gather.
WTF that's madness. Are they on crack or something?
thats hard reality. They had the choice between deactivating, or allowing instant gathering.
edit: in the next time i take a look at the rohan fishing system. It has the same problem: Client based timing influencing a server result.... wouldnt it be cool to always hit the perfect spot ^^"