def get_new_link_group_color(self) -> QColor:
if len(self.unused_colors) > 0:
return self.unused_colors.pop()
num_groups = len(self.stick_links_list)
step = 60
offset = 0 if num_groups < 6 else step / ((num_groups + 6) // 6)
hue = int((num_groups % 6) * step + offset)
return QColor.fromHsv(hue, 255, 255, 255)
def __init__(self, parent: QGraphicsItem = None):
QGraphicsObject.__init__(self, parent)
self.source: Optional[StickWidget] = None
self.target: Optional[StickWidget] = None
self.target_point = QPointF()
self.anchored = False
self.unused_colors: List[QColor] = []
step = 60
for num_groups in range(24):
offset = 0 if num_groups < 6 else step / ((num_groups + 6) // 6)
hue = int((num_groups % 6) * step + offset)
self.unused_colors.append(QColor.fromHsv(hue, 255, 255, 255))
self.current_link_item: StickLink = None
self.stick_links_list: List[StickLink] = []
self.rect = QRectF()
self.color_links: Dict[QColor, List[StickLink]] = {}