From c55fba8ab2a1c9d3df65eda4a5a1e957f4aa1f78 Mon Sep 17 00:00:00 2001 From: Andrew Lee Date: Sun, 19 Apr 2020 17:19:32 -0400 Subject: Inital commit --- .../Editor/Window/PlaybackScroller.cs | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/PlaybackScroller.cs (limited to 'Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/PlaybackScroller.cs') diff --git a/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/PlaybackScroller.cs b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/PlaybackScroller.cs new file mode 100644 index 0000000..96a9247 --- /dev/null +++ b/Library/PackageCache/com.unity.timeline@1.2.13/Editor/Window/PlaybackScroller.cs @@ -0,0 +1,54 @@ +using UnityEngine; + +namespace UnityEditor.Timeline +{ + enum PlaybackScrollMode + { + None, + Pan, + Smooth + } + + static class PlaybackScroller + { + public static void AutoScroll(WindowState state) + { + if (Event.current.type != EventType.Layout) + return; + + switch (state.autoScrollMode) + { + case PlaybackScrollMode.Pan: + DoPanScroll(state); + break; + case PlaybackScrollMode.Smooth: + DoSmoothScroll(state); + break; + } + } + + static void DoSmoothScroll(WindowState state) + { + if (state.playing) + state.SetPlayHeadToMiddle(); + + state.UpdateLastFrameTime(); + } + + static void DoPanScroll(WindowState state) + { + if (!state.playing) + return; + + var paddingDeltaTime = state.PixelDeltaToDeltaTime(WindowConstants.autoPanPaddingInPixels); + var showRange = state.timeAreaShownRange; + var rightBoundForPan = showRange.y - paddingDeltaTime; + if (state.editSequence.time > rightBoundForPan) + { + var leftBoundForPan = showRange.x + paddingDeltaTime; + var delta = rightBoundForPan - leftBoundForPan; + state.SetTimeAreaShownRange(showRange.x + delta, showRange.y + delta); + } + } + } +} -- cgit v1.2.3