private void ScaleKeyframes()
{
var boundaries = GridSelection.GetSelectionBoundaries();
if (boundaries.HasValue || Scale < Mathf.ZeroTolerance)
{
var saved = new List <IKeyframe>();
for (int i = boundaries.Value.Top; i <= boundaries.Value.Bottom; ++i)
{
if (!(Document.Current.Rows[i].Components.Get <NodeRow>()?.Node is IAnimationHost animable))
{
continue;
}
foreach (var animator in animable.Animators.ToList())
{
saved.Clear();
IEnumerable <IKeyframe> keys = animator.ReadonlyKeys.Where(k =>
k.Frame >= boundaries.Value.Left && k.Frame < boundaries.Value.Right
).ToList();
if (Scale < 1)
{
keys = keys.Reverse().ToList();
}
foreach (var key in keys)
{
saved.Add(key);
RemoveKeyframe.Perform(animator, key.Frame);
}
foreach (var key in saved)
{
// The formula should behave similiar to stretching animation with mouse
int newFrame = (int)(
boundaries.Value.Left +
(key.Frame - boundaries.Value.Left) *
(1 + (boundaries.Value.Left - boundaries.Value.Right) * Scale) /
(1 + boundaries.Value.Left - boundaries.Value.Right)
);
var newKey = key.Clone();
newKey.Frame = newFrame;
SetAnimableProperty.Perform(
animable, animator.TargetPropertyPath, newKey.Value,
createAnimatorIfNeeded: true,
createInitialKeyframeForNewAnimator: false,
newKey.Frame
);
SetKeyframe.Perform(animable, animator.TargetPropertyPath, Document.Current.AnimationId, newKey);
}
}
}
ClearGridSelection.Perform();
for (int i = boundaries.Value.Top; i <= boundaries.Value.Bottom; ++i)
{
SelectGridSpan.Perform(i, boundaries.Value.Left, (int)(boundaries.Value.Left + (boundaries.Value.Right - boundaries.Value.Left) * Scale));
}
}
else
{
Document.Current.History.RollbackTransaction();
}
}
private void ScaleKeyframes()
{
if (GridSelection.GetSelectionBoundaries(out var boundaries) && Scale > Mathf.ZeroTolerance)
{
var processed = new HashSet <IAnimator>();
var saved = new List <IKeyframe>();
foreach (var animable in GridSelection.EnumerateAnimators(boundaries))
{
foreach (var animator in animable.Animators)
{
if (animator.AnimationId != Document.Current.AnimationId || processed.Contains(animator))
{
continue;
}
processed.Add(animator);
saved.Clear();
IEnumerable <IKeyframe> keys = animator.ReadonlyKeys.Where(k =>
k.Frame >= boundaries.Left && k.Frame < boundaries.Right
).ToList();
if (Scale < 1)
{
keys = keys.Reverse().ToList();
}
foreach (var key in keys)
{
saved.Add(key);
RemoveKeyframe.Perform(animator, key.Frame);
}
foreach (var key in saved)
{
// The formula should behave similiar to stretching animation with mouse
int newFrame = (int)(
boundaries.Left +
(key.Frame - boundaries.Left) *
(1 + (boundaries.Left - boundaries.Right) * Scale) /
(1 + boundaries.Left - boundaries.Right)
);
var newKey = key.Clone();
newKey.Frame = newFrame;
SetAnimableProperty.Perform(
animable.Host, animator.TargetPropertyPath, newKey.Value,
createAnimatorIfNeeded: true,
createInitialKeyframeForNewAnimator: false,
newKey.Frame
);
SetKeyframe.Perform(animable.Host, animator.TargetPropertyPath, Document.Current.AnimationId, newKey);
}
}
}
ClearGridSelection.Perform();
for (int i = boundaries.Top; i <= boundaries.Bottom; ++i)
{
SelectGridSpan.Perform(i, boundaries.Left, (int)(boundaries.Left + (boundaries.Right - boundaries.Left) * Scale));
}
}
private IEnumerator <object> Drag(IntRectangle boundaries, DragSide side)
{
IntVector2?last = null;
Save(boundaries);
bool isStretchingMarkers = input.IsKeyPressed(Key.Control);
using (Document.Current.History.BeginTransaction()) {
while (input.IsMousePressed())
{
Utils.ChangeCursorIfDefault(MouseCursor.SizeWE);
var current = grid.CellUnderMouse();
if (current == last)
{
yield return(null);
continue;
}
Document.Current.History.RollbackTransaction();
current.X = Math.Max(current.X, 0);
if (side == DragSide.Left)
{
current.X = Math.Min(current.X, boundaries.Right - 1);
}
else
{
current.X = Math.Max(current.X, boundaries.Left + 1);
}
Stretch(boundaries, side, current.X, stretchMarkers: isStretchingMarkers);
if (side == DragSide.Left)
{
boundaries.Left = current.X;
}
else
{
boundaries.Right = current.X;
}
ClearGridSelection.Perform();
for (int i = boundaries.Top; i <= boundaries.Bottom; ++i)
{
SelectGridSpan.Perform(i, boundaries.Left, boundaries.Right);
}
SetCurrentColumn.Perform(boundaries.Right);
last = current;
yield return(null);
}
Document.Current.History.CommitTransaction();
}
yield return(null);
}