//在目前位置增加一個音符
        public void onAddNote()
        {
            if (editor.brush.currentBrush == NoteType.Null)
            {
                print(editor.brush.currentBrush.ToString());
                return;
            }

            Note note = NoteUtility.GenerateNote(editor.brush.currentBrush);

            var length = (int)editor.trackMapEditor.noteLength.Value;
            var offset = editor.trackMapEditor.noteOffset.Value;
            var angle  = editor.trackMapEditor.noteAngle.Value;

            if (editor.getCurrentNote != null)
            {
                note.position = length + editor.getCurrentNoteGridPosition;
            }
            else
            {
                note.position = editor.getCurrentNoteGridPosition;
            }

            note.lenght  = length;
            note.Xoffset = offset;
            note.angle   = angle;

            editor.getTrackMap.Notes.Add(note);

            editor.getTrackMap.Sort();

            editor.getCurrentNoteIndex = editor.getTrackMap.Notes.IndexOf(note);
        }
        //在目前位置插入一個音符,之後的音符會位移這個音符的長度
        public void onInsertNote()
        {
            if (editor.brush.currentBrush == NoteType.Null)
            {
                print(editor.brush.currentBrush.ToString());
                return;
            }


            Note note = NoteUtility.GenerateNote(editor.brush.currentBrush);

            var length = (int)editor.trackMapEditor.noteLength.Value;
            var offset = editor.trackMapEditor.noteOffset.Value;
            var angle  = editor.trackMapEditor.noteAngle.Value;

            note.position = editor.getCurrentNoteGridPosition;

            note.lenght  = length;
            note.Xoffset = offset;
            note.angle   = angle;

            editor.getTrackMap.Notes.Add(note);

            editor.getCurrentNoteIndex = editor.getTrackMap.Notes.IndexOf(note);

            for (int i = 0; i < editor.getTrackMap.Notes.Count; i++)
            {
                if (editor.getTrackMap.Notes[i] == note ||
                    editor.getTrackMap.Notes[i].position < note.position)
                {
                    continue;
                }

                editor.getTrackMap.Notes[i].position += note.lenght;
            }

            editor.getTrackMap.Sort();

            editor.getCurrentNoteIndex = editor.getTrackMap.Notes.IndexOf(note);
        }