private void EnforceMode(int index)
{
int modeIndex = (index + 1) / 3;
CatlikeBezierControlPointMode mode = modes[modeIndex];
if (mode == CatlikeBezierControlPointMode.Free || !loop && (modeIndex == 0 || modeIndex == modes.Length - 1))
{
return;
}
int middleIndex = modeIndex * 3;
int fixedIndex, enforcedIndex;
if (index <= middleIndex)
{
fixedIndex = middleIndex - 1;
if (fixedIndex < 0)
{
fixedIndex = points.Length - 2;
}
enforcedIndex = middleIndex + 1;
if (enforcedIndex >= points.Length)
{
enforcedIndex = 1;
}
}
else
{
fixedIndex = middleIndex + 1;
if (fixedIndex >= points.Length)
{
fixedIndex = 1;
}
enforcedIndex = middleIndex - 1;
if (enforcedIndex < 0)
{
enforcedIndex = points.Length - 2;
}
}
Vector3 middle = points[middleIndex];
Vector3 enforcedTangent = middle - points[fixedIndex];
if (mode == CatlikeBezierControlPointMode.Aligned)
{
enforcedTangent = enforcedTangent.normalized * (Vector3.Distance(middle, points[enforcedIndex]) / 3);
}
points[enforcedIndex] = middle + enforcedTangent;
}
public void SetControlPointMode(int index, CatlikeBezierControlPointMode mode)
{
int modeIndex = (index + 1) / 3;
modes[modeIndex] = mode;
if (loop)
{
if (modeIndex == 0)
{
modes[modes.Length - 1] = mode;
}
else if (modeIndex == modes.Length - 1)
{
modes[0] = mode;
}
}
EnforceMode(index);
}
private void DrawSelectedPointInspector()
{
GUILayout.Label("Selected Point");
EditorGUI.BeginChangeCheck();
Vector3 point = EditorGUILayout.Vector3Field("Position", spline.GetControlPoint(selectedIndex));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Move Point");
EditorUtility.SetDirty(spline);
spline.SetControlPoint(selectedIndex, point);
}
EditorGUI.BeginChangeCheck();
CatlikeBezierControlPointMode mode = (CatlikeBezierControlPointMode)EditorGUILayout.EnumPopup("Mode", spline.GetControlPointMode(selectedIndex));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Mode");
spline.SetControlPointMode(selectedIndex, mode);
EditorUtility.SetDirty(spline);
}
}
