Lines Matching refs:tdelta
363 uint64_t tdelta = 0;
377 tdelta = time - tp->scroll.time_prev;
378 if (tdelta > EVENT_TIMEOUT)
379 tdelta = 0;
387 * EVENT_TIMEOUT of 100, vector_decay = (0.97)^tdelta. This linear
390 if (tdelta > 0) {
392 recent = ((EVENT_TIMEOUT / 2.0) - tdelta) /
394 later = (EVENT_TIMEOUT - tdelta) /
396 vector_decay = tdelta <= (0.33 * EVENT_TIMEOUT) ?
428 tp->scroll.duration.v += tdelta;
432 if (tp->scroll.duration.h > tdelta)
433 tp->scroll.duration.h -= tdelta;
439 tp->scroll.duration.h += tdelta;
443 if (tp->scroll.duration.v > tdelta)
444 tp->scroll.duration.v -= tdelta;