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We shuffle the list of nodes so that the push free won't endlessly repeat the same 2 steps

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This commit is contained in:
Jaime van Kessel 2016-09-08 12:49:42 +02:00
parent a11e2a56a6
commit 09f7d9b999
1 changed files with 8 additions and 2 deletions
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10
cura/PlatformPhysics.py
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@ -15,6 +15,9 @@ from cura.ConvexHullDecorator import ConvexHullDecorator
from . import PlatformPhysicsOperation from . import PlatformPhysicsOperation
from . import ZOffsetDecorator from . import ZOffsetDecorator
import random # used for list shuffling
class PlatformPhysics: class PlatformPhysics:
def __init__(self, controller, volume): def __init__(self, controller, volume):
super().__init__() super().__init__()
@ -49,8 +52,11 @@ class PlatformPhysics:
transformed_nodes = [] transformed_nodes = []
group_nodes = [] group_nodes = []
# We try to shuffle all the nodes to prevent "locked" situations, where iteration B inverts iteration A.
for node in BreadthFirstIterator(root): # By shuffling the order of the nodes, this might happen a few times, but at some point it will resolve.
nodes = list(BreadthFirstIterator(root))
random.shuffle(nodes)
for node in nodes:
if node is root or type(node) is not SceneNode or node.getBoundingBox() is None: if node is root or type(node) is not SceneNode or node.getBoundingBox() is None:
continue continue