def test_add_and_delete_from_collection(self):
self.instance.add_to_collections(['another_one_collection'])
self.assertIn(self.instance, Collector.get_collection(
'example_collection'))
self.assertIn(self.instance, Collector.get_collection(
'another_one_collection'))
self.instance.delete_from_collections(['example_collection'])
self.assertNotIn(self.instance, Collector.get_collection(
'example_collection'))
self.assertIn(self.instance, Collector.get_collection(
'another_one_collection'))
def update(self, *args, **kwargs):
"""Change affected objects' accelerations"""
for affect_object in self.affect_objects:
if affect_object in Collector.get_collection('movable'):
affect_object.acceleration = (
Vector(affect_object.acceleration) +
self._get_acceleration(affect_object))
def process_collisions(self, instance):
"""Check if self collide another widget.
Dispatch 'on_collide' event.
"""
for widget in Collector.get_collection("collidable"):
if (self is not widget and self.collide_widget(widget) and
widget.collide_widget(self)):
self.dispatch("on_collide", widget)
def process_collission(first, second):
"""Process collission for two elastic objects
:param first: first widget to check collission
:type first: parabox.behaviour.collidable.Collidable
:param second: second widget to check collission
:type second: parabox.behaviour.collidable.Collidable
"""
if first in Collector.get_collection('movable'):
base, additional = first, second
else:
base, additional = second, first
ElasticCollissionProcessor.clarify_collission_point(base, additional)
base.velocity, additional.velocity =\
ElasticCollissionProcessor.get_velocity_after_collission(
base, additional)
def test_get_collections(self):
initial_len = len(list(Collector.get_collections()))
self.assertEqual(
len(list(Collector.get_collections(['foo', 'bar']))), 2)
self.assertEqual(
len(list(Collector.get_collections())), initial_len + 2)
def test_get_collection(self):
self.assertEqual(
len(Collector.get_collection('new_collection')), 0)
self.assertEqual(
len(Collector.get_collection('example_collection')), 1)
def test_in_base_objects_by_default(self):
self.assertIn(self.instance, Collector.get_collection(
'base_objects'))
def setUp(self):
self.point = PointPhisics(
gravity=1,
affect_radius=100,
pos=(100, 100),
affect_objects=Collector.get_collection('base_objects'))