diff options
Diffstat (limited to 'src/video/cocoa/cocoa_v.mm')
| -rw-r--r-- | src/video/cocoa/cocoa_v.mm | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/video/cocoa/cocoa_v.mm b/src/video/cocoa/cocoa_v.mm index 122a38be5..c9e6768a8 100644 --- a/src/video/cocoa/cocoa_v.mm +++ b/src/video/cocoa/cocoa_v.mm @@ -635,7 +635,7 @@ bool VideoDriver_Cocoa::PollEvent() void VideoDriver_Cocoa::GameLoop() { auto cur_ticks = std::chrono::steady_clock::now(); - auto last_cur_ticks = cur_ticks; + auto last_realtime_tick = cur_ticks; auto next_tick = cur_ticks; for (;;) { @@ -664,9 +664,15 @@ void VideoDriver_Cocoa::GameLoop() } cur_ticks = std::chrono::steady_clock::now(); + + /* If more than a millisecond has passed, increase the _realtime_tick. */ + if (cur_ticks - last_realtime_tick > std::chrono::milliseconds(1)) { + auto delta = std::chrono::duration_cast<std::chrono::milliseconds>(cur_ticks - last_realtime_tick); + _realtime_tick += delta.count(); + last_realtime_tick += delta; + } + if (cur_ticks >= next_tick || (_fast_forward && !_pause_mode)) { - _realtime_tick += std::chrono::duration_cast<std::chrono::milliseconds>(cur_ticks - last_cur_ticks).count(); - last_cur_ticks = cur_ticks; next_tick = cur_ticks + std::chrono::milliseconds(MILLISECONDS_PER_TICK); bool old_ctrl_pressed = _ctrl_pressed; |