//Scene
private void OnSceneGUI()
{
m_Spline = target as BezierSpline;
m_HandleTransform = m_Spline.transform;
m_HandleRotation = Tools.pivotRotation == PivotRotation.Local ? m_HandleTransform.rotation : Quaternion.identity;
//Show points
Vector3 p0 = ShowPoint(0);
for (int i = 1; i < m_Spline.GetControlPointCount(); i += 3)
{
Vector3 p1 = ShowPoint(i);
Vector3 p2 = ShowPoint(i + 1);
Vector3 p3 = ShowPoint(i + 2);
//Draw the handle lines
Handles.color = Color.gray;
Handles.DrawLine(p0, p1); //p1 helps p0
Handles.DrawLine(p2, p3); //p2 helps p3
//Draw the bezier lines
Handles.DrawBezier(p0, p3, p1, p2, Color.white, null, 3.0f);
p0 = p3;
}
//Show the directions
//ShowDirections();
}
//Inspector
public override void OnInspectorGUI()
{
//Loop checkbox
EditorGUI.BeginChangeCheck();
bool loop = EditorGUILayout.Toggle("Loop", m_Spline.GetLoop());
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(m_Spline, "Toggle Loop");
EditorUtility.SetDirty(m_Spline);
m_Spline.SetLoop(loop);
}
//Add curve button
if (m_SelectedIndex >= 0 && m_SelectedIndex < m_Spline.GetControlPointCount())
{
DrawSelectedPointInspector();
}
m_Spline = target as BezierSpline;
if (GUILayout.Button("Add Curve"))
{
Undo.RecordObject(m_Spline, "Add Curve"); //Makes sure we can undo
EditorUtility.SetDirty(m_Spline); //Makes sure unity asks us to save after changing
m_Spline.AddCurve();
}
}
