private List <Vector3> GetAffectedPoints()
{
List <Vector3> retList = new List <Vector3>();
retList.Add(GetStartPoint());
CurveHandle t0 = GetStartPoint().tangentForward;
CurveHandle t1 = GetEndPoint().tangentBackward;
if (t0)
{
retList.Add((Vector3)GetStartPoint() + t0);
}
if (t1)
{
retList.Add((Vector3)GetEndPoint() + t1);
}
retList.Add(GetEndPoint());
return(retList);
}
/// <summary>
/// Displays a tangent point in the Scene View. Also controls tangent point movement.
/// </summary>
/// <param name="s">ControlPoint the tangent is tied to.</param>
/// <param name="p">CurvePoint representing the tangent.</param>
/// <param name="controlIndex">Control index of this handle.</param>
private void ShowTangentPoint(ControlPoint s, CurveHandle p, int controlIndex)
{
Vector3 point = handleTransform.TransformPoint(p.point + s.point);
float size = HandleUtility.GetHandleSize(point) * 0.03f;
if (Handles.Button(point, handleRotation, size, size, Handles.DotHandleCap))
{
selectedIndex = controlIndex;
}
if (selectedIndex == controlIndex)
{
EditorGUI.BeginChangeCheck();
point = Handles.DoPositionHandle(point, handleRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Move Tangent");
EditorUtility.SetDirty(spline);
p.point = handleTransform.InverseTransformPoint(point - s.point);
if (spline.tangentMode == TangentMode.Link)
{
if (p == s.tangentBackward && s.tangentForward != null)
{
s.tangentForward.point = -p.point;
Debug.Log("Aligning");
}
else if (p == s.tangentForward && s.tangentBackward != null)
{
s.tangentBackward.point = -p.point;
Debug.Log("Aligning");
}
}
}
}
}