Method Connect

internal/app/notes.go:495–512

(fromID, toID string)

}

func (b *Board) Connect(fromID, toID string) *StringConn {
	if fromID == toID || fromID == "" || toID == "" {
		return nil
	}
	for _, s := range b.Strings {
		if (s.A.NoteID == fromID && s.B.NoteID == toID) ||
			(s.A.NoteID == toID && s.B.NoteID == fromID) {
			return s
		}
	}
	s := &StringConn{
		A:     StringEnd{NoteID: fromID},
		B:     StringEnd{NoteID: toID},
		Tight: false,
	}
	b.Strings = append(b.Strings, s)
	return s
}

// ConnectToWall creates a string from a note to a WORLD-coord wall-pin.
// The caller is responsible for converting a mouse click (screen) to