class NodePath(object):
@property
def average_safety_level(self):
if self.node_count != 0:
return sum([node.safety_level.level_value for node in self.nodes]) / self.node_count
else:
return 0
@property
def average_obstacle_safety_level(self):
if self.node_count != 0:
return sum([node.obstacle_safety_level.level_value for node in self.nodes]) / self.node_count
else:
return 0
@property
def drawable_path(self):
return self._path
@property
def nodes(self):
return [vertex.attached_object for vertex in self._path.vertices]
@property
def length(self):
return self._path.length
@property
def node_count(self):
return self._path.vertex_count
def __init__(self, nodes):
self._create_path(nodes)
def __getitem__(self, index):
return self._path.vertices[index].attached_object
def _create_path(self, nodes):
self._path = Path()
for node in nodes:
self.append_node(node)
def append_node(self, node):
vertex = node.position.clone()
vertex.attached_object = node
self._path.add_vertex(vertex)
def simplify(self, start_node_index, end_node_index):
self._path.remove(start_node_index, end_node_index, exclusive = True)
def _create_path(self, segment_count, enclosing_circle, base_angle):
path = Path()
for angle in range(base_angle, base_angle + 360, int(360 / segment_count)):
path.add_vertex(enclosing_circle.position_on_arc(angle))
path.close()
return path
def _create_path(self, nodes):
self._path = Path()
for node in nodes:
self.append_node(node)