void DrawPoint(int p1, int p2)
{
CustomPathArray customPath = pathArray as CustomPathArray;
float size = HandleUtility.GetHandleSize(customPath.customPath[p1]);
#pragma warning disable 0618
if (Handles.Button(customPath.customPath[p1], Quaternion.identity, size * handleSize, size * pickSize, Handles.DotCap))
#pragma warning restore 0618
{
selectedIndex = p1;
Repaint();
}
if (!(!customPath.closed && p2 == 0))
{
Handles.DrawLine(customPath.customPath[p1], customPath.customPath[p2]);
}
if (selectedIndex == p1)
{
EditorGUI.BeginChangeCheck();
Vector3 point = Handles.DoPositionHandle(customPath.customPath[p1], Quaternion.identity);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(pathArray, "Move Point");
EditorUtility.SetDirty(pathArray);
customPath.customPath[p1] = point;
}
}
}
public override void OnInspectorGUI()
{
CustomPathArray customPath = pathArray as CustomPathArray;
DrawDefaultInspector();
EditorGUI.BeginChangeCheck();
if (selectedIndex >= 0 && selectedIndex < customPath.customPath.Count)
{
if (customPath.customPath.Count > 2)
{
if (GUILayout.Button("Delete Point"))
{
Undo.RecordObject(pathArray, "Delete Point");
customPath.customPath.RemoveAt(selectedIndex);
selectedIndex = -1;
EditorUtility.SetDirty(pathArray);
}
}
if (selectedIndex != customPath.customPath.Count - 1)
{
if (GUILayout.Button("Split Line"))
{
Undo.RecordObject(pathArray, "Split Curve");
customPath.customPath.Insert(selectedIndex + 1, (customPath.customPath[selectedIndex] + customPath.customPath[selectedIndex + 1]) / 2);
selectedIndex = -1;
EditorUtility.SetDirty(pathArray);
}
}
}
EditorGUI.EndChangeCheck();
EditorUtility.SetDirty(pathArray);
}
public override void OnSceneGUI(SceneView sceneView)
{
CustomPathArray customPath = pathArray as CustomPathArray;
for (int i = 0; i < customPath.customPath.Count - 1; i++)
{
DrawPoint(i, i + 1);
}
DrawPoint(customPath.customPath.Count - 1, 0);
base.OnSceneGUI(sceneView);
}