def addShapeAsHole(self, name='undefined'):
"""Adds a hole in the shape of the current shape with the current position"""
newhole = Polygon(self.getShapeOriented())
if self.convex_hull:
newhole = newhole.convex_hull
newhole.shape_nfps = defaultdict()
newhole.name = name
newhole.position = self.position
newhole.angle = self.angle
newhole.origin = affinity.rotate(Point(-self.circle_center[0], -self.circle_center[1]), self.angle, origin=(0,0))
newhole.origin = affinity.translate(newhole.origin, self.position[0], self.position[1])
self.hole_shapes.append(newhole)
def addHole(self, shape):
"""Adds a hole. Expecting a list of points ((x, y), ...)
If the new hole intersects any existing one, it merges with it"""
new_hole = orient(Polygon(shape))
if not new_hole.is_valid: return False # TODO: Error code
new_hole.shape_nfps = defaultdict() # clear cached NFPS
holes_to_remove = []
for hole in self.holes:
if new_hole.intersects(hole) and not new_hole.touches(hole):
try:
new_hole = Polygon(new_hole.union(hole).exterior.coords) # throw out interior
new_hole.shape_nfps = defaultdict() # clear cached NFPS
except:
print("error in adding hole")
holes_to_remove.append(hole)
for hole in holes_to_remove:
try:
self.hole_holes.remove(hole)
except:
self.hole_shapes.remove(hole)
self.hole_holes.append(new_hole)