archipack_polylib.py 文件源码

def _intersects(self, context, coord, event):
        t = time.time()
        c0 = self._position_3d_from_coord(context, coord)
        c1 = self._position_3d_from_coord(context, (coord[0], event.mouse_region_y))
        c2 = self._position_3d_from_coord(context, (event.mouse_region_x, event.mouse_region_y))
        c3 = self._position_3d_from_coord(context, (event.mouse_region_x, coord[1]))
        poly = ShapelyPolygon([c0, c1, c2, c3])
        prepared_poly = shapely.prepared.prep(poly)
        count, gids = self.tree.intersects(poly)
        if event.ctrl:
            selection = [i for i in gids if prepared_poly.contains(self.geoms[i])]
        else:
            selection = [i for i in gids if prepared_poly.intersects(self.geoms[i])]
        print("Selectable._intersects() :%.2f seconds" % (time.time() - t))
        if event.shift:
            self._unselect(selection)
        else:
            self._select(selection)
        self._draw(context)