def random_location(self, provoke_collision=False):
if provoke_collision and self.entities:
entity = choice(self.entities)
angle = Point.from_angle(angle=random())
return entity.center + angle * entity.shape.size * (self.__class__.COLLISION_MIN_DISTANCE + random())
else:
return Point.random_instance(Point.zero, Point.one)
def sample_entity(self, world, last_entity, combinations=None):
if last_entity == -1:
while True:
self.clusters = list()
for _ in range(self.num_clusters * self.__class__.MAX_ATTEMPTS):
r = random()
if r < 0.25:
cluster_center = Point(0.125 + r * 3.0, 0.15)
elif r < 0.5:
cluster_center = Point(0.125 + (r - 0.25) * 3.0, 0.85)
elif r < 0.75:
cluster_center = Point(0.15, 0.125 + (r - 0.5) * 3.0)
else:
cluster_center = Point(0.85, 0.125 + (r - 0.75) * 3.0)
# cluster_center = world.random_location()
if all(cluster_center.distance(cluster) > self.__class__.MIN_CLUSTERS_DISTANCE for cluster in self.clusters):
self.clusters.append(cluster_center)
if len(self.clusters) == self.num_clusters:
break
else:
print(self.clusters)
continue
break
elif last_entity is not None:
pass
self.selected_cluster = choice(self.clusters)
angle = Point.from_angle(angle=random())
center = self.selected_cluster + angle * random() * self.__class__.MAX_CLUSTER_CENTER_DISTANCE
if combinations is None:
return Entity.random_instance(center=center, rotation=self.rotation, size_range=self.size_range, distortion_range=self.distortion_range, shade_range=self.shade_range, shapes=self.shapes, colors=self.colors, textures=self.textures)
else:
return Entity.random_instance(center=center, rotation=self.rotation, size_range=self.size_range, distortion_range=self.distortion_range, shade_range=self.shade_range, combinations=combinations)