private Vector3 ShowPoint(int index)
{
Vector3 point = t.TransformPoint(spline.GetPoint(index));
float firstPoint = index == 0 ? 2f : 1f;
if (Handles.Button(point, q, 0.2f * firstPoint, 0.6f, Handles.DotCap))
{
selectedIndex = index;
}
Handles.color = Color.gray;
if (selectedIndex == index)
{
EditorGUI.BeginChangeCheck();
point = Handles.DoPositionHandle(point, q);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "CatmullRom Moved");
EditorUtility.SetDirty(spline);
spline.SetPoint(index, t.InverseTransformPoint(point));
}
}
return(point);
}