def _onChangeTimerFinished(self):
if not self._enabled:
return
root = self._controller.getScene().getRoot()
for node in BreadthFirstIterator(root):
if node is root or type(node) is not SceneNode:
continue
bbox = node.getBoundingBox()
if not bbox or not bbox.isValid():
self._change_timer.start()
continue
build_volume_bounding_box = copy.deepcopy(
self._build_volume.getBoundingBox())
build_volume_bounding_box.setBottom(
-9001) # Ignore intersections with the bottom
node._outside_buildarea = False
# Mark the node as outside the build volume if the bounding box test fails.
if build_volume_bounding_box.intersectsBox(
bbox
) != AxisAlignedBox.IntersectionResult.FullIntersection:
node._outside_buildarea = True
# Move it downwards if bottom is above platform
move_vector = Vector()
if not (node.getParent()
and node.getParent().callDecoration("isGroup")
): #If an object is grouped, don't move it down
z_offset = node.callDecoration(
"getZOffset") if node.getDecorator(
ZOffsetDecorator.ZOffsetDecorator) else 0
if bbox.bottom > 0:
move_vector.setY(-bbox.bottom + z_offset)
elif bbox.bottom < z_offset:
move_vector.setY((-bbox.bottom) - z_offset)
#if not Float.fuzzyCompare(bbox.bottom, 0.0):
# pass#move_vector.setY(-bbox.bottom)
# If there is no convex hull for the node, start calculating it and continue.
if not node.getDecorator(ConvexHullDecorator):
node.addDecorator(ConvexHullDecorator())
if not node.callDecoration("getConvexHull"):
if not node.callDecoration("getConvexHullJob"):
job = ConvexHullJob.ConvexHullJob(node)
job.start()
node.callDecoration("setConvexHullJob", job)
elif Preferences.getInstance().getValue(
"physics/automatic_push_free"):
# Check for collisions between convex hulls
for other_node in BreadthFirstIterator(root):
# Ignore root, ourselves and anything that is not a normal SceneNode.
if other_node is root or type(
other_node) is not SceneNode or other_node is node:
continue
# Ignore colissions of a group with it's own children
if other_node in node.getAllChildren(
) or node in other_node.getAllChildren():
continue
# Ignore colissions within a group
if other_node.getParent().callDecoration(
"isGroup") is not None or node.getParent(
).callDecoration("isGroup") is not None:
continue
#if node.getParent().callDecoration("isGroup") is other_node.getParent().callDecoration("isGroup"):
# continue
# Ignore nodes that do not have the right properties set.
if not other_node.callDecoration(
"getConvexHull") or not other_node.getBoundingBox(
):
continue
# Check to see if the bounding boxes intersect. If not, we can ignore the node as there is no way the hull intersects.
#if node.getBoundingBox().intersectsBox(other_node.getBoundingBox()) == AxisAlignedBox.IntersectionResult.NoIntersection:
# continue
# Get the overlap distance for both convex hulls. If this returns None, there is no intersection.
try:
head_hull = node.callDecoration("getConvexHullHead")
if head_hull:
overlap = head_hull.intersectsPolygon(
other_node.callDecoration("getConvexHullHead"))
if not overlap:
other_head_hull = other_node.callDecoration(
"getConvexHullHead")
if other_head_hull:
overlap = node.callDecoration(
"getConvexHullHead").intersectsPolygon(
other_head_hull)
else:
overlap = node.callDecoration(
"getConvexHull").intersectsPolygon(
other_node.callDecoration("getConvexHull"))
except:
overlap = None #It can sometimes occur that the caclulated convex hull has no size, in which case there is no overlap.
if overlap is None:
continue
move_vector.setX(overlap[0] * 1.1)
move_vector.setZ(overlap[1] * 1.1)
convex_hull = node.callDecoration("getConvexHull")
if convex_hull:
if not convex_hull.isValid():
return
# Check for collisions between disallowed areas and the object
for area in self._build_volume.getDisallowedAreas():
overlap = convex_hull.intersectsPolygon(area)
if overlap is None:
continue
node._outside_buildarea = True
if move_vector != Vector():
op = PlatformPhysicsOperation.PlatformPhysicsOperation(
node, move_vector)
op.push()
def _onChangeTimerFinished(self):
if not self._enabled:
return
root = self._controller.getScene().getRoot()
# Keep a list of nodes that are moving. We use this so that we don't move two intersecting objects in the
# same direction.
transformed_nodes = []
group_nodes = []
# We try to shuffle all the nodes to prevent "locked" situations, where iteration B inverts iteration A.
# 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:
continue
bbox = node.getBoundingBox()
# Ignore intersections with the bottom
build_volume_bounding_box = self._build_volume.getBoundingBox()
if build_volume_bounding_box:
# It's over 9000!
build_volume_bounding_box = build_volume_bounding_box.set(
bottom=-9001)
else:
# No bounding box. This is triggered when running Cura from command line with a model for the first time
# In that situation there is a model, but no machine (and therefore no build volume.
return
node._outside_buildarea = False
# Mark the node as outside the build volume if the bounding box test fails.
if build_volume_bounding_box.intersectsBox(
bbox
) != AxisAlignedBox.IntersectionResult.FullIntersection:
node._outside_buildarea = True
if node.callDecoration("isGroup"):
group_nodes.append(node) # Keep list of affected group_nodes
# Move it downwards if bottom is above platform
move_vector = Vector()
if Preferences.getInstance().getValue(
"physics/automatic_drop_down") and not (
node.getParent() and node.getParent().callDecoration(
"isGroup")) and node.isEnabled(
): #If an object is grouped, don't move it down
z_offset = node.callDecoration(
"getZOffset") if node.getDecorator(
ZOffsetDecorator.ZOffsetDecorator) else 0
move_vector = move_vector.set(y=-bbox.bottom + z_offset)
# If there is no convex hull for the node, start calculating it and continue.
if not node.getDecorator(ConvexHullDecorator):
node.addDecorator(ConvexHullDecorator())
if Preferences.getInstance().getValue(
"physics/automatic_push_free"):
# Check for collisions between convex hulls
for other_node in BreadthFirstIterator(root):
# Ignore root, ourselves and anything that is not a normal SceneNode.
if other_node is root or type(
other_node) is not SceneNode or other_node is node:
continue
# Ignore collisions of a group with it's own children
if other_node in node.getAllChildren(
) or node in other_node.getAllChildren():
continue
# Ignore collisions within a group
if other_node.getParent() and node.getParent() and (
other_node.getParent().callDecoration("isGroup")
is not None
or node.getParent().callDecoration("isGroup")
is not None):
continue
# Ignore nodes that do not have the right properties set.
if not other_node.callDecoration(
"getConvexHull") or not other_node.getBoundingBox(
):
continue
if other_node in transformed_nodes:
continue # Other node is already moving, wait for next pass.
overlap = (0, 0) # Start loop with no overlap
current_overlap_checks = 0
# Continue to check the overlap until we no longer find one.
while overlap and current_overlap_checks < self._max_overlap_checks:
current_overlap_checks += 1
head_hull = node.callDecoration("getConvexHullHead")
if head_hull: # One at a time intersection.
overlap = head_hull.translate(
move_vector.x,
move_vector.z).intersectsPolygon(
other_node.callDecoration("getConvexHull"))
if not overlap:
other_head_hull = other_node.callDecoration(
"getConvexHullHead")
if other_head_hull:
overlap = node.callDecoration(
"getConvexHull").translate(
move_vector.x,
move_vector.z).intersectsPolygon(
other_head_hull)
if overlap:
# Moving ensured that overlap was still there. Try anew!
move_vector = move_vector.set(
x=move_vector.x +
overlap[0] * self._move_factor,
z=move_vector.z +
overlap[1] * self._move_factor)
else:
# Moving ensured that overlap was still there. Try anew!
move_vector = move_vector.set(
x=move_vector.x +
overlap[0] * self._move_factor,
z=move_vector.z +
overlap[1] * self._move_factor)
else:
own_convex_hull = node.callDecoration(
"getConvexHull")
other_convex_hull = other_node.callDecoration(
"getConvexHull")
if own_convex_hull and other_convex_hull:
overlap = own_convex_hull.translate(
move_vector.x,
move_vector.z).intersectsPolygon(
other_convex_hull)
if overlap: # Moving ensured that overlap was still there. Try anew!
move_vector = move_vector.set(
x=move_vector.x +
overlap[0] * self._move_factor,
z=move_vector.z +
overlap[1] * self._move_factor)
else:
# This can happen in some cases if the object is not yet done with being loaded.
# Simply waiting for the next tick seems to resolve this correctly.
overlap = None
convex_hull = node.callDecoration("getConvexHull")
if convex_hull:
if not convex_hull.isValid():
return
# Check for collisions between disallowed areas and the object
for area in self._build_volume.getDisallowedAreas():
overlap = convex_hull.intersectsPolygon(area)
if overlap is None:
continue
node._outside_buildarea = True
if not Vector.Null.equals(move_vector, epsilon=1e-5):
transformed_nodes.append(node)
op = PlatformPhysicsOperation.PlatformPhysicsOperation(
node, move_vector)
op.push()
# Group nodes should override the _outside_buildarea property of their children.
for group_node in group_nodes:
for child_node in group_node.getAllChildren():
child_node._outside_buildarea = group_node._outside_buildarea
def _onChangeTimerFinished(self, was_triggered_by_tool=False):
if not self._enabled:
return
root = self._controller.getScene().getRoot()
# Keep a list of nodes that are moving. We use this so that we don't move two intersecting objects in the
# same direction.
transformed_nodes = []
# We try to shuffle all the nodes to prevent "locked" situations, where iteration B inverts iteration A.
# By shuffling the order of the nodes, this might happen a few times, but at some point it will resolve.
nodes = list(BreadthFirstIterator(root))
# Only check nodes inside build area.
nodes = [
node for node in nodes if (hasattr(node, "_outside_buildarea")
and not node._outside_buildarea)
]
random.shuffle(nodes)
for node in nodes:
if node is root or type(
node) is not SceneNode or node.getBoundingBox() is None:
continue
bbox = node.getBoundingBox()
# Move it downwards if bottom is above platform
move_vector = Vector()
if Preferences.getInstance().getValue(
"physics/automatic_drop_down") and not (
node.getParent() and node.getParent().callDecoration(
"isGroup")) and node.isEnabled(
): #If an object is grouped, don't move it down
z_offset = node.callDecoration(
"getZOffset") if node.getDecorator(
ZOffsetDecorator.ZOffsetDecorator) else 0
move_vector = move_vector.set(y=-bbox.bottom + z_offset)
# If there is no convex hull for the node, start calculating it and continue.
if not node.getDecorator(ConvexHullDecorator):
node.addDecorator(ConvexHullDecorator())
if Preferences.getInstance().getValue(
"physics/automatic_push_free"):
# Check for collisions between convex hulls
for other_node in BreadthFirstIterator(root):
# Ignore root, ourselves and anything that is not a normal SceneNode.
if other_node is root or type(
other_node) is not SceneNode or other_node is node:
continue
# Ignore collisions of a group with it's own children
if other_node in node.getAllChildren(
) or node in other_node.getAllChildren():
continue
# Ignore collisions within a group
if other_node.getParent() and node.getParent() and (
other_node.getParent().callDecoration("isGroup")
is not None
or node.getParent().callDecoration("isGroup")
is not None):
continue
# Ignore nodes that do not have the right properties set.
if not other_node.callDecoration(
"getConvexHull") or not other_node.getBoundingBox(
):
continue
if other_node in transformed_nodes:
continue # Other node is already moving, wait for next pass.
overlap = (0, 0) # Start loop with no overlap
current_overlap_checks = 0
# Continue to check the overlap until we no longer find one.
while overlap and current_overlap_checks < self._max_overlap_checks:
current_overlap_checks += 1
head_hull = node.callDecoration("getConvexHullHead")
if head_hull: # One at a time intersection.
overlap = head_hull.translate(
move_vector.x,
move_vector.z).intersectsPolygon(
other_node.callDecoration("getConvexHull"))
if not overlap:
other_head_hull = other_node.callDecoration(
"getConvexHullHead")
if other_head_hull:
overlap = node.callDecoration(
"getConvexHull").translate(
move_vector.x,
move_vector.z).intersectsPolygon(
other_head_hull)
if overlap:
# Moving ensured that overlap was still there. Try anew!
move_vector = move_vector.set(
x=move_vector.x +
overlap[0] * self._move_factor,
z=move_vector.z +
overlap[1] * self._move_factor)
else:
# Moving ensured that overlap was still there. Try anew!
move_vector = move_vector.set(
x=move_vector.x +
overlap[0] * self._move_factor,
z=move_vector.z +
overlap[1] * self._move_factor)
else:
own_convex_hull = node.callDecoration(
"getConvexHull")
other_convex_hull = other_node.callDecoration(
"getConvexHull")
if own_convex_hull and other_convex_hull:
overlap = own_convex_hull.translate(
move_vector.x,
move_vector.z).intersectsPolygon(
other_convex_hull)
if overlap: # Moving ensured that overlap was still there. Try anew!
move_vector = move_vector.set(
x=move_vector.x +
overlap[0] * self._move_factor,
z=move_vector.z +
overlap[1] * self._move_factor)
else:
# This can happen in some cases if the object is not yet done with being loaded.
# Simply waiting for the next tick seems to resolve this correctly.
overlap = None
if not Vector.Null.equals(move_vector, epsilon=1e-5):
transformed_nodes.append(node)
op = PlatformPhysicsOperation.PlatformPhysicsOperation(
node, move_vector)
op.push()
# After moving, we have to evaluate the boundary checks for nodes
build_volume = Application.getInstance().getBuildVolume()
build_volume.updateNodeBoundaryCheck()
def _onChangeTimerFinished(self):
if not self._enabled:
return
root = self._controller.getScene().getRoot()
# Keep a list of nodes that are moving. We use this so that we don't move two intersecting objects in the
# same direction.
transformed_nodes = []
for node in BreadthFirstIterator(root):
if node is root or type(
node) is not SceneNode or node.getBoundingBox() is None:
continue
bbox = node.getBoundingBox()
# Ignore intersections with the bottom
build_volume_bounding_box = self._build_volume.getBoundingBox()
if build_volume_bounding_box:
# It's over 9000!
build_volume_bounding_box = build_volume_bounding_box.set(
bottom=-9001)
else:
# No bounding box. This is triggered when running Cura from command line with a model for the first time
# In that situation there is a model, but no machine (and therefore no build volume.
return
node._outside_buildarea = False
# Mark the node as outside the build volume if the bounding box test fails.
if build_volume_bounding_box.intersectsBox(
bbox
) != AxisAlignedBox.IntersectionResult.FullIntersection:
node._outside_buildarea = True
# Move it downwards if bottom is above platform
move_vector = Vector()
if Preferences.getInstance().getValue(
"physics/automatic_drop_down") and not (
node.getParent()
and node.getParent().callDecoration("isGroup")
): #If an object is grouped, don't move it down
z_offset = node.callDecoration(
"getZOffset") if node.getDecorator(
ZOffsetDecorator.ZOffsetDecorator) else 0
move_vector = move_vector.set(y=-bbox.bottom + z_offset)
# If there is no convex hull for the node, start calculating it and continue.
if not node.getDecorator(ConvexHullDecorator):
node.addDecorator(ConvexHullDecorator())
if Preferences.getInstance().getValue(
"physics/automatic_push_free"):
# Check for collisions between convex hulls
for other_node in BreadthFirstIterator(root):
# Ignore root, ourselves and anything that is not a normal SceneNode.
if other_node is root or type(
other_node) is not SceneNode or other_node is node:
continue
# Ignore collisions of a group with it's own children
if other_node in node.getAllChildren(
) or node in other_node.getAllChildren():
continue
# Ignore collisions within a group
if other_node.getParent().callDecoration(
"isGroup") is not None or node.getParent(
).callDecoration("isGroup") is not None:
continue
# Ignore nodes that do not have the right properties set.
if not other_node.callDecoration(
"getConvexHull") or not other_node.getBoundingBox(
):
continue
if other_node in transformed_nodes:
continue # Other node is already moving, wait for next pass.
# Get the overlap distance for both convex hulls. If this returns None, there is no intersection.
head_hull = node.callDecoration("getConvexHullHead")
if head_hull:
overlap = head_hull.intersectsPolygon(
other_node.callDecoration("getConvexHullHead"))
if not overlap:
other_head_hull = other_node.callDecoration(
"getConvexHullHead")
if other_head_hull:
overlap = node.callDecoration(
"getConvexHullHead").intersectsPolygon(
other_head_hull)
else:
own_convex_hull = node.callDecoration("getConvexHull")
other_convex_hull = other_node.callDecoration(
"getConvexHull")
if own_convex_hull and other_convex_hull:
overlap = own_convex_hull.intersectsPolygon(
other_convex_hull)
else:
# This can happen in some cases if the object is not yet done with being loaded.
# Simply waiting for the next tick seems to resolve this correctly.
overlap = None
if overlap is None:
continue
move_vector = move_vector.set(x=overlap[0] * 1.1,
z=overlap[1] * 1.1)
convex_hull = node.callDecoration("getConvexHull")
if convex_hull:
if not convex_hull.isValid():
return
# Check for collisions between disallowed areas and the object
for area in self._build_volume.getDisallowedAreas():
overlap = convex_hull.intersectsPolygon(area)
if overlap is None:
continue
node._outside_buildarea = True
if not Vector.Null.equals(move_vector, epsilon=1e-5):
transformed_nodes.append(node)
op = PlatformPhysicsOperation.PlatformPhysicsOperation(
node, move_vector)
op.push()
