private void ResetTangents(int pointIndex)
{
Vector3 position = GetPosition(pointIndex);
Vector3 positionNext = GetPosition(SplineUtility.NextIndex(pointIndex, GetPointCount()));
Vector3 positionPrev = GetPosition(SplineUtility.PreviousIndex(pointIndex, GetPointCount()));
Vector3 forward = Vector3.forward;
if (SplineEditorCache.IsValid() && SplineEditorCache.GetTarget() != null)
{
forward = SplineEditorCache.GetTarget().transform.forward;
}
float scale = Mathf.Min((positionNext - position).magnitude, (positionPrev - position).magnitude) * 0.33f;
Vector3 leftTangent = (positionPrev - position).normalized * scale;
Vector3 rightTangent = (positionNext - position).normalized * scale;
if (GetTangentMode(pointIndex) == TangentMode.Continuous)
{
SplineUtility.CalculateTangents(position, positionPrev, positionNext, forward, scale, out rightTangent, out leftTangent);
}
SetLeftTangent(pointIndex, leftTangent);
SetRightTangent(pointIndex, rightTangent);
}
public void SetTangentModeUseThisOne(int pointIndex, TangentMode mode)
{
SetTangentMode(pointIndex, mode);
if (SplineEditorCache.IsValid() && SplineEditorCache.GetTarget() != null)
{
if (mode == TangentMode.Continuous)
{
SetLeftTangent(pointIndex, SplineEditorCache.instance.GetLeftTangentContinous(pointIndex));
SetRightTangent(pointIndex, SplineEditorCache.instance.GetRightTangentContinous(pointIndex));
}
if (mode == TangentMode.Broken)
{
SetLeftTangent(pointIndex, SplineEditorCache.instance.GetLeftTangentBroken(pointIndex));
SetRightTangent(pointIndex, SplineEditorCache.instance.GetRightTangentBroken(pointIndex));
}
}
if (mode == TangentMode.Continuous || mode == TangentMode.Broken)
{
if (GetLeftTangent(pointIndex).sqrMagnitude == 0f && GetRightTangent(pointIndex).sqrMagnitude == 0f)
{
ResetTangents(pointIndex);
}
}
SetDirty();
}
public void MirrorTangent()
{
if (SpriteShapeTool.instance.isActive && SplineEditorCache.IsValid() && SplineEditorCache.GetTarget() != null)
{
var selection = SplineEditorCache.GetSelection();
if (selection.Count != 1)
{
return;
}
var mode = GetTangentMode(selection.single);
if (mode == TangentMode.Linear)
{
return;
}
var leftTangent = GetLeftTangent(selection.single);
var rightTangent = GetRightTangent(selection.single);
if (!Mathf.Approximately((leftTangent + rightTangent).sqrMagnitude, 0f))
{
if (GUIUtility.hotControl == 0)
{
Undo.RegisterCompleteObjectUndo(SplineEditorCache.GetTarget(), "Mirror Tangents");
}
if (SplineEditorCache.instance.rightTangentChanged)
{
SetLeftTangent(selection.single, rightTangent * -1);
}
else
{
SetRightTangent(selection.single, leftTangent * -1);
}
UpdateTangentCache();
}
}
}
