private IEnumerator <object> DragTip(Bone bone, BoneArray.Entry entry)
{
using (Document.Current.History.BeginTransaction()) {
var iniMousePos = sv.MousePosition;
var transform = Document.Current.Container.AsWidget.LocalToWorldTransform.CalcInversed();
var accumulativeRotationsHelpersByBones = new Dictionary <Bone, AccumulativeRotationHelper>();
while (sv.Input.IsMousePressed())
{
Utils.ChangeCursorIfDefault(MouseCursor.Hand);
if (sv.Input.IsKeyPressed(Key.Control))
{
var parent = bone.Parent.AsWidget.BoneArray[bone.BaseIndex];
var dir = (sv.MousePosition * transform -
bone.Parent.AsWidget.BoneArray[bone.Index].Joint).Snap(Vector2.Zero);
var angle = dir.Atan2Deg;
if (bone.BaseIndex != 0)
{
var prentDir = parent.Tip - parent.Joint;
angle = Vector2.AngleDeg(prentDir, dir);
}
if (!sv.Input.IsKeyPressed(Key.Alt))
{
Core.Operations.SetAnimableProperty.Perform(bone, nameof(Bone.Rotation),
GetRotationByBone(accumulativeRotationsHelpersByBones, bone, angle),
CoreUserPreferences.Instance.AutoKeyframes
);
}
Core.Operations.SetAnimableProperty.Perform(bone, nameof(Bone.Length), dir.Length, CoreUserPreferences.Instance.AutoKeyframes);
}
else
{
var dragDelta = sv.MousePosition * transform - iniMousePos * transform;
var boneChain = IKSolver.SolveFor(bone, entry.Tip + dragDelta);
foreach (Tuple <Bone, float> pair in boneChain)
{
Core.Operations.SetAnimableProperty.Perform(pair.Item1, nameof(Bone.Rotation),
GetRotationByBone(accumulativeRotationsHelpersByBones, pair.Item1, pair.Item2),
CoreUserPreferences.Instance.AutoKeyframes
);
}
}
bone.Parent.Update(0);
yield return(null);
}
sv.Input.ConsumeKey(Key.Mouse0);
Window.Current.Invalidate();
Document.Current.History.CommitTransaction();
}
}
private IEnumerator <object> DragTip(Bone bone, BoneArray.Entry entry)
{
Document.Current.History.BeginTransaction();
try {
var iniMousePos = sv.MousePosition;
var transform = sv.Scene.CalcTransitionToSpaceOf(Document.Current.Container.AsWidget);
while (sv.Input.IsMousePressed())
{
Utils.ChangeCursorIfDefault(MouseCursor.Hand);
if (sv.Input.IsKeyPressed(Key.Control))
{
var parent = bone.Parent.AsWidget.BoneArray[bone.BaseIndex];
var dir = (sv.MousePosition * transform -
bone.Parent.AsWidget.BoneArray[bone.Index].Joint).Snap(Vector2.Zero);
var angle = dir.Atan2Deg;
if (bone.BaseIndex != 0)
{
var prentDir = parent.Tip - parent.Joint;
angle = Vector2.AngleDeg(prentDir, dir);
}
if (!sv.Input.IsKeyPressed(Key.Alt))
{
Core.Operations.SetAnimableProperty.Perform(bone, nameof(Bone.Rotation), angle);
}
Core.Operations.SetAnimableProperty.Perform(bone, nameof(Bone.Length), dir.Length);
}
else
{
var dragDelta = sv.MousePosition * transform - iniMousePos * transform;
var boneChain = IKSolver.SolveFor(bone, entry.Tip + dragDelta);
foreach (var pair in boneChain)
{
Core.Operations.SetAnimableProperty.Perform(pair.Item1, nameof(Bone.Rotation), pair.Item2);
}
}
bone.Parent.Update(0);
yield return(null);
}
} finally {
sv.Input.ConsumeKey(Key.Mouse0);
Document.Current.History.EndTransaction();
Window.Current.Invalidate();
}
}