private void DrawSelectedPointInspector()
{
GUISpace();
GUILayout.Label("Selected Point");
GUILayout.BeginHorizontal();
// Select next/previous point/anchor
if (GUILayout.Button("Previous") && selectedIndex - 1 >= 0)
{
selectedIndex--;
}
if (GUILayout.Button("Next") && selectedIndex + 1 < spline.PointCount)
{
selectedIndex++;
}
// Deselect points
if (GUILayout.Button("Deselect"))
{
selectedIndex = -1;
return;
}
GUILayout.EndHorizontal();
// Position field
EditorGUI.BeginChangeCheck();
Vector3 point = EditorGUILayout.Vector3Field("Position", spline.GetPoint(selectedIndex));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Move Point");
EditorUtility.SetDirty(spline);
spline.SetPoint(selectedIndex, point);
}
// Control mode dropdown
EditorGUI.BeginChangeCheck();
BezierPointMode mode = (BezierPointMode)EditorGUILayout.EnumPopup("Mode", spline.GetPointMode(selectedIndex));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Change Point Mode");
spline.SetPointMode(selectedIndex, mode);
EditorUtility.SetDirty(spline);
}
}
//////////////////////////////////////////////////////////// EO GET POINT //
private void EnforceMode(int index)
{
int modeIndex = (index + 1) / 3;
BezierPointMode mode = modes[modeIndex];
// Skip enforcing for FREE points and START/END points
if (mode == BezierPointMode.Free || modeIndex == 0 || modeIndex == modes.Length - 1)
{
return;
}
// Get indexes
int pointIndex = modeIndex * 3;
int holdingIndex;
int enforcedIndex;
if (index <= pointIndex)
{
holdingIndex = pointIndex - 1;
enforcedIndex = pointIndex + 1;
}
else
{
holdingIndex = pointIndex + 1;
enforcedIndex = pointIndex - 1;
}
Vector3 point = points[pointIndex];
Vector3 enforcedTangent = point - points[holdingIndex];
// Keep length of enforced anchor
// in case of Aligned mode
if (mode == BezierPointMode.Aligned)
{
enforcedTangent = enforcedTangent.normalized * Vector3.Distance(point, points[enforcedIndex]);
}
points[enforcedIndex] = point + enforcedTangent;
}
public void SetPointMode(int index, BezierPointMode mode)
{
modes[(index + 1) / 3] = mode;
EnforceMode(index);
BakeSpline(bakedSteps);
}
