public static void Execute(Vegas vegas)
{
var videoTracks = VegasHelper.GetTracks <VideoTrack>(vegas, 1);
var selectedTrackEvents = VegasHelper.GetTrackEvents(videoTracks);
var currentPosition = selectedTrackEvents[0].Start;
//order the list
ListHelpers.Shuffle(selectedTrackEvents, new Random());
using (var undo = new UndoBlock("Randomize Events"))
{
//update order of the events
foreach (var selectedTrackEvent in selectedTrackEvents)
{
if (selectedTrackEvent.IsGrouped)
{
foreach (var groupedTrackEvents in selectedTrackEvent.Group)
{
groupedTrackEvents.Start = currentPosition;
}
}
else
{
selectedTrackEvent.Start = currentPosition;
}
currentPosition += selectedTrackEvent.Length;
}
}
}
public static List <TrackInfo> BuildWall(int width, int height, WallBuilderConfiguration configData)
{
var delay = (decimal)configData.DelayBeforeFirstZoom;
var columns = configData.Columns;
var rows = configData.Rows;
var durationPerFrame = (decimal)configData.DurationPerFrame;
var durationBetweenFrames = (decimal)configData.DurationBetweenFrames;
var padding = 100;
var totalCells = columns * rows;
//var Duration = totalCells * durationPerFrame + totalCells * durationBetweenFrames + durationBetweenFrames;
var gridX = columns;
var gridY = rows;
var maxWidth = width * gridX;
var maxHeight = height * gridY;
var tracks = new List <TrackInfo>();
for (var x = 0; x < gridX; x++)
{
for (var y = 0; y < gridY; y++)
{
var idx = x * gridX + y;
var ti = new TrackInfo();
ti.Number = idx + 1;
ti.OffsetX = (width * x);
ti.OffsetY = (height * y);
tracks.Add(ti);
}
}
var totalKeyFrames = totalCells * 2 + 1;
var centerX = maxWidth / 2;
var centerY = maxHeight / 2;
if (configData.Randomize)
{
ListHelpers.Shuffle(tracks, new Random(),
info => { info.NewItem.Number = info.Index + 1; });
}
var currentTime = delay;
var paddingScale = (1 - configData.Padding);
var globalZoomLimit = (1 - configData.ZoomOffset);
for (var currentKf = 1; currentKf < totalKeyFrames + 1; currentKf++)
{
if (currentKf != 0 && currentKf % 2 == 0)
{
//this is a closeup
var currentCell = currentKf / 2;
var currentTrack = tracks[currentCell - 1];
var targetX = currentTrack.OffsetX;
var targetY = currentTrack.OffsetY;
foreach (var ti in tracks)
{
var kf = new KeyFrameInfo();
kf.Time = currentTime;
kf.PanX = (ti.OffsetX - targetX); //*globalZoomLimit;
kf.PanY = (ti.OffsetY - targetY); //*globalZoomLimit;
kf.Width = width * paddingScale; //*globalZoomLimit;
kf.Height = height * paddingScale; //*globalZoomLimit;
kf.KeyframeType = VideoKeyframeType.Smooth;
kf.PanZ = 1000 * globalZoomLimit;
ti.KeyFrames.Add(kf);
var easing = 1.05m;
kf = new KeyFrameInfo();
kf.Time = currentTime + durationPerFrame / 2;
kf.PanX = (ti.OffsetX - targetX); // * globalZoomLimit * easing;
kf.PanY = (ti.OffsetY - targetY); // * globalZoomLimit * easing;
kf.Width = width * paddingScale; //*globalZoomLimit* easing;
kf.Height = height * paddingScale; //*globalZoomLimit* easing;
kf.KeyframeType = VideoKeyframeType.Smooth;
kf.PanZ = 1000 * globalZoomLimit * easing;
ti.KeyFrames.Add(kf);
kf = new KeyFrameInfo();
kf.Time = currentTime + durationPerFrame;
kf.PanX = (ti.OffsetX - targetX); //*globalZoomLimit;
kf.PanY = (ti.OffsetY - targetY); //*globalZoomLimit;
kf.Width = width * paddingScale; //*globalZoomLimit;
kf.Height = height * paddingScale; //*globalZoomLimit;
kf.KeyframeType = VideoKeyframeType.Slow;
kf.PanZ = 1000 * globalZoomLimit;
ti.KeyFrames.Add(kf);
}
currentTime += durationPerFrame;
}
else
{
var targetX = 0;
var targetY = 0;
var baseScale = Math.Min(1m / gridX, 1m / gridY);
var postframeTimeStep = durationBetweenFrames;
if (currentKf < 2 || currentKf > totalKeyFrames - 2)
{
//this is a full shot
targetX = centerX - width / 2;
targetY = centerY - height / 2;
}
else
{
//transitional shot
var previousCell = (currentKf - 1) / 2;
var nextCell = (currentKf + 1) / 2;
var previousTrack = tracks[previousCell - 1];
var nextTrack = tracks[nextCell - 1];
targetX = previousTrack.OffsetX - (previousTrack.OffsetX - nextTrack.OffsetX) / 2;
targetY = previousTrack.OffsetY - (previousTrack.OffsetY - nextTrack.OffsetY) / 2;
decimal widthDiff = Math.Abs(previousTrack.OffsetX - nextTrack.OffsetX) + width;
decimal heightDiff = Math.Abs(previousTrack.OffsetY - nextTrack.OffsetY) + height;
var scaleFactor = Math.Min(widthDiff / width, heightDiff / height);
baseScale = baseScale * scaleFactor;
currentTime += postframeTimeStep = durationBetweenFrames / 2;
}
if (currentKf == 1 && currentTime != 0)
{
InsertKeyFrames(width, height, tracks, 0, baseScale, targetX, targetY, paddingScale);
}
InsertKeyFrames(width, height, tracks, currentTime, baseScale, targetX, targetY, paddingScale);
currentTime += postframeTimeStep;
}
}
return(tracks);
}
