private static void GizmoTest(ObiCatmullRomCurve spline, GizmoType gizmoType)
{
Matrix4x4 prevMatrix = Handles.matrix;
Color oldColor = Handles.color;
// Draw the curve:
int curveSegments = spline.GetNumSpans() * curvePreviewResolution;
Vector3[] samples = new Vector3[curveSegments + 1];
for (int i = 0; i <= curveSegments; ++i)
{
samples[i] = spline.GetPositionAt(i / (float)curveSegments);
}
Handles.matrix = spline.transform.localToWorldMatrix;
Handles.color = Color.white;
Handles.zTest = UnityEngine.Rendering.CompareFunction.LessEqual;
Handles.DrawPolyLine(samples);
Handles.color = new Color(1, 1, 1, 0.25f);
Handles.zTest = UnityEngine.Rendering.CompareFunction.Greater;
Handles.DrawPolyLine(samples);
Handles.color = oldColor;
Handles.matrix = prevMatrix;
}
public override void OnInspectorGUI()
{
serializedObject.UpdateIfRequiredOrScript();
Editor.DrawPropertiesExcluding(serializedObject, "m_Script");
EditorGUI.BeginChangeCheck();
bool closed = EditorGUILayout.Toggle("Closed", spline.Closed);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(spline, "Open/Close curve");
spline.Closed = closed;
}
hideSplineHandle = EditorGUILayout.Toggle("Hide spline handle", hideSplineHandle);
if (GUILayout.Button("Add control point"))
{
Undo.RecordObject(spline, "Add control point");
for (int i = 0; i < spline.controlPoints.Count; ++i)
{
if (selectedStatus[i] || i == spline.controlPoints.Count - 1)
{
Vector3 cp = spline.GetPositionAt((i - 1 + 0.5f) / (float)(spline.controlPoints.Count - 3));
spline.controlPoints.Insert(i + 1, cp);
break;
}
}
}
if (GUILayout.Button("Remove selected control points"))
{
Undo.RecordObject(spline, "Remove control points");
List <int> toBeDeleted = new List <int>();
for (int i = 0; i < spline.controlPoints.Count; ++i)
{
if (selectedStatus[i])
{
toBeDeleted.Add(i);
selectedStatus[i] = false;
}
}
if (spline.controlPoints.Count - toBeDeleted.Count < 4)
{
EditorUtility.DisplayDialog("Ooops!", "Cannot remove that many points. Catmull-Rom splines need at least 4 points to be defined.", "Ok");
}
else
{
toBeDeleted.Sort();
toBeDeleted.Reverse();
foreach (int i in toBeDeleted)
{
spline.controlPoints.RemoveAt(i);
}
}
}
// Apply changes to the serializedProperty
if (GUI.changed)
{
serializedObject.ApplyModifiedProperties();
}
}