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()