/// <summary>
/// Enforces the mode on the control points
/// </summary>
/// <param name="index">Index.</param>
private void EnforceMode(int index)
{
int modeIndex = (index + 1) / 3;
BezierMoveMode mode = m_Mode[modeIndex];
// If the mode is free or we are on the 1st or last control point then do nothing
if (mode == BezierMoveMode.Free || modeIndex == 0 || modeIndex == m_Mode.Length - 1)
{
return;
}
int middleIndex = modeIndex * 3;
int fixedIndex;
int enforcedIndex;
if (index <= middleIndex)
{
fixedIndex = middleIndex - 1;
enforcedIndex = middleIndex + 1;
}
else
{
fixedIndex = middleIndex + 1;
enforcedIndex = middleIndex - 1;
}
Vector3 middle = m_Points[middleIndex];
Vector3 enforcedTangent = middle - m_Points[fixedIndex];
if (mode == BezierMoveMode.Aligned)
{
enforcedTangent = enforcedTangent.normalized * Vector3.Distance(middle, m_Points[enforcedIndex]);
}
m_Points[enforcedIndex] = middle + enforcedTangent;
}
/// <summary>
/// Draws the selected point inspector.
/// </summary>
private void DrawSelectedPointInspector()
{
GUILayout.Label("Selected Point");
EditorGUI.BeginChangeCheck();
Vector3 point = EditorGUILayout.Vector3Field("Position", m_Spline.GetControlPoint(m_SelectedIndex));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(m_Spline, "Move Point");
m_Spline.SetControlPoint(m_SelectedIndex, point);
EditorUtility.SetDirty(m_Spline);
}
EditorGUI.BeginChangeCheck();
BezierMoveMode mode = (BezierMoveMode)
EditorGUILayout.EnumPopup("Mode", m_Spline.GetControlPointMode(m_SelectedIndex));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(m_Spline, "Change Point Mode");
m_Spline.SetControlPointMode(m_SelectedIndex, mode);
EditorUtility.SetDirty(m_Spline);
}
}
/// <summary>
/// Sets the mode of control point at specified index
/// </summary>
/// <param name="index">Index.</param>
/// <param name="mode">Mode.</param>
public void SetControlPointMode(int index, BezierMoveMode mode)
{
m_Mode[(index + 1) / 3] = mode;
}
/// <summary>
/// Sets the mode of control point at specified index
/// </summary>
/// <param name="index">Index.</param>
/// <param name="mode">Mode.</param>
public void SetControlPointMode(int index, BezierMoveMode mode)
{
m_Mode[(index + 1) / 3] = mode;
}