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clock: Bug fix: Do not pacic even when the clock is reversed

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It is theoreticaly possible to change the clock. Ebiten should not
panic whatever the clock time is.
This commit is contained in:
Hajime Hoshi 2019-05-24 02:14:22 +09:00
parent 833e467fde
commit c2bc6408a3
1 changed files with 1 additions and 3 deletions
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4
internal/clock/clock.go
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@ -62,6 +62,7 @@ func calcCountFromTPS(tps int64, now int64) int {
diff := now - lastSystemTime diff := now - lastSystemTime
if diff < 0 { if diff < 0 {
// It is theoretically possible to change the OS clock, so now can be older than lastSystemTime.
return 0 return 0
} }
@ -126,9 +127,6 @@ func Update(tps int) int {
defer m.Unlock() defer m.Unlock()
n := now() n := now()
if n < previousNow {
panic("clock: now() must be monotonic but returned older time than before: perhaps overflowing?")
}
c := 0 c := 0
if tps == UncappedTPS { if tps == UncappedTPS {