def setZ(self, Z):
if float(Z) != self._Z_angle:
self._angle = ((float(Z) % 360) - (self._Z_angle % 360)) % 360
self._Z_angle = float(Z)
#rotation = Quaternion.fromAngleAxis(math.radians( self._angle ), Vector.Unit_Z)
rotation = Quaternion()
rotation.setByAngleAxis(math.radians(self._angle), Vector.Unit_Z)
# Save the current positions of the node, as we want to rotate around their current centres
self._saved_node_positions = []
for node in Selection.getAllSelectedObjects():
self._saved_node_positions.append((node, node.getPosition()))
node._rotationZ = self._Z_angle
# Rate-limit the angle change notification
# This is done to prevent the UI from being flooded with property change notifications,
# which in turn would trigger constant repaints.
new_time = time.monotonic()
if not self._angle_update_time or new_time - self._angle_update_time > 0.1:
self._angle_update_time = new_time
# Rotate around the saved centeres of all selected nodes
op = GroupedOperation()
for node, position in self._saved_node_positions:
op.addOperation(
RotateOperation(node,
rotation,
rotate_around_point=position))
op.push()
self._angle = 0
self.propertyChanged.emit()
def createGroupOperationForArrange(nodes_to_arrange: List["SceneNode"],
build_volume: "BuildVolume",
fixed_nodes: Optional[List["SceneNode"]] = None,
factor = 10000,
add_new_nodes_in_scene: bool = False) -> Tuple[GroupedOperation, int]:
scene_root = Application.getInstance().getController().getScene().getRoot()
found_solution_for_all, node_items = findNodePlacement(nodes_to_arrange, build_volume, fixed_nodes, factor)
not_fit_count = 0
grouped_operation = GroupedOperation()
for node, node_item in zip(nodes_to_arrange, node_items):
if add_new_nodes_in_scene:
grouped_operation.addOperation(AddSceneNodeOperation(node, scene_root))
if node_item.binId() == 0:
# We found a spot for it
rotation_matrix = Matrix()
rotation_matrix.setByRotationAxis(node_item.rotation(), Vector(0, -1, 0))
grouped_operation.addOperation(RotateOperation(node, Quaternion.fromMatrix(rotation_matrix)))
grouped_operation.addOperation(TranslateOperation(node, Vector(node_item.translation().x() / factor, 0,
node_item.translation().y() / factor)))
else:
# We didn't find a spot
grouped_operation.addOperation(
TranslateOperation(node, Vector(200, node.getWorldPosition().y, -not_fit_count * 20), set_position = True))
not_fit_count += 1
return grouped_operation, not_fit_count
def _onSelectedFaceChanged(self):
self._handle.setEnabled(not Selection.getFaceSelectMode())
selected_face = Selection.getSelectedFace()
if not Selection.getSelectedFace() or not (Selection.hasSelection() and Selection.getFaceSelectMode()):
return
original_node, face_id = selected_face
meshdata = original_node.getMeshDataTransformed()
if not meshdata or face_id < 0:
return
rotation_point, face_normal = meshdata.getFacePlane(face_id)
rotation_point_vector = Vector(rotation_point[0], rotation_point[1], rotation_point[2])
face_normal_vector = Vector(face_normal[0], face_normal[1], face_normal[2])
rotation_quaternion = Quaternion.rotationTo(face_normal_vector.normalized(), Vector(0.0, -1.0, 0.0))
operation = GroupedOperation()
current_node = None # type: Optional[SceneNode]
for node in Selection.getAllSelectedObjects():
current_node = node
parent_node = current_node.getParent()
while parent_node and parent_node.callDecoration("isGroup"):
current_node = parent_node
parent_node = current_node.getParent()
if current_node is None:
return
rotate_operation = RotateOperation(current_node, rotation_quaternion, rotation_point_vector)
operation.addOperation(rotate_operation)
operation.push()
def arrange(nodes_to_arrange: List["SceneNode"],
build_volume: "BuildVolume",
fixed_nodes: Optional[List["SceneNode"]] = None,
factor=10000,
add_new_nodes_in_scene: bool = False) -> bool:
"""
Find placement for a set of scene nodes, and move them by using a single grouped operation.
:param nodes_to_arrange: The list of nodes that need to be moved.
:param build_volume: The build volume that we want to place the nodes in. It gets size & disallowed areas from this.
:param fixed_nodes: List of nods that should not be moved, but should be used when deciding where the others nodes
are placed.
:param factor: The library that we use is int based. This factor defines how accuracte we want it to be.
:param add_new_nodes_in_scene: Whether to create new scene nodes before applying the transformations and rotations
:return: found_solution_for_all: Whether the algorithm found a place on the buildplate for all the objects
"""
scene_root = Application.getInstance().getController().getScene().getRoot()
found_solution_for_all, node_items = findNodePlacement(
nodes_to_arrange, build_volume, fixed_nodes, factor)
not_fit_count = 0
grouped_operation = GroupedOperation()
for node, node_item in zip(nodes_to_arrange, node_items):
if add_new_nodes_in_scene:
grouped_operation.addOperation(
AddSceneNodeOperation(node, scene_root))
if node_item.binId() == 0:
# We found a spot for it
rotation_matrix = Matrix()
rotation_matrix.setByRotationAxis(node_item.rotation(),
Vector(0, -1, 0))
grouped_operation.addOperation(
RotateOperation(node, Quaternion.fromMatrix(rotation_matrix)))
grouped_operation.addOperation(
TranslateOperation(
node,
Vector(node_item.translation().x() / factor, 0,
node_item.translation().y() / factor)))
else:
# We didn't find a spot
grouped_operation.addOperation(
TranslateOperation(node,
Vector(200,
node.getWorldPosition().y,
-not_fit_count * 20),
set_position=True))
not_fit_count += 1
grouped_operation.push()
return found_solution_for_all
def _onSelectedFaceChanged(self):
if not self._select_face_mode:
return
self._handle.setEnabled(not Selection.getFaceSelectMode())
selected_face = Selection.getSelectedFace()
if not Selection.getSelectedFace() or not (
Selection.hasSelection() and Selection.getFaceSelectMode()):
return
original_node, face_id = selected_face
meshdata = original_node.getMeshDataTransformed()
if not meshdata or face_id < 0:
return
if face_id > (meshdata.getVertexCount() / 3 if
not meshdata.hasIndices() else meshdata.getFaceCount()):
return
face_mid, face_normal = meshdata.getFacePlane(face_id)
object_mid = original_node.getBoundingBox().center
rotation_point_vector = Vector(object_mid.x, object_mid.y, face_mid[2])
face_normal_vector = Vector(face_normal[0], face_normal[1],
face_normal[2])
rotation_quaternion = Quaternion.rotationTo(
face_normal_vector.normalized(), Vector(0.0, -1.0, 0.0))
operation = GroupedOperation()
current_node = None # type: Optional[SceneNode]
for node in Selection.getAllSelectedObjects():
current_node = node
parent_node = current_node.getParent()
while parent_node and parent_node.callDecoration("isGroup"):
current_node = parent_node
parent_node = current_node.getParent()
if current_node is None:
return
rotate_operation = RotateOperation(current_node, rotation_quaternion,
rotation_point_vector)
gravity_operation = GravityOperation(current_node)
operation.addOperation(rotate_operation)
operation.addOperation(gravity_operation)
operation.push()
def bottomFaceSelection(self) -> None:
selected_face = Selection.getSelectedFace()
if not selected_face:
Logger.log(
"e",
"Bottom face operation shouldn't have been called without a selected face."
)
return
original_node, face_id = selected_face
meshdata = original_node.getMeshDataTransformed()
if not meshdata or face_id < 0 or face_id > Selection.getMaxFaceSelectionId(
):
return
rotation_point, face_normal = meshdata.getFacePlane(face_id)
rotation_point_vector = Vector(rotation_point[0], rotation_point[1],
rotation_point[2])
face_normal_vector = Vector(face_normal[0], face_normal[1],
face_normal[2])
rotation_quaternion = Quaternion.rotationTo(
face_normal_vector.normalized(), Vector(0.0, -1.0, 0.0))
operation = GroupedOperation()
current_node = None # type: Optional[SceneNode]
for node in Selection.getAllSelectedObjects():
current_node = node
parent_node = current_node.getParent()
while parent_node and parent_node.callDecoration("isGroup"):
current_node = parent_node
parent_node = current_node.getParent()
if current_node is None:
return
rotate_operation = RotateOperation(current_node, rotation_quaternion,
rotation_point_vector)
operation.addOperation(rotate_operation)
operation.push()
def event(self, event):
super().event(event)
if event.type == Event.KeyPressEvent and event.key == KeyEvent.ShiftKey:
# Snap is toggled when pressing the shift button
self.setRotationSnap(not self._snap_rotation)
if event.type == Event.KeyReleaseEvent and event.key == KeyEvent.ShiftKey:
# Snap is "toggled back" when releasing the shift button
self.setRotationSnap(not self._snap_rotation)
if event.type == Event.MousePressEvent and self._controller.getToolsEnabled(
):
# Start a rotate operation
if MouseEvent.LeftButton not in event.buttons:
return False
id = self._selection_pass.getIdAtPosition(event.x, event.y)
if not id:
return False
if self._handle.isAxis(id):
self.setLockedAxis(id)
else:
# Not clicked on an axis: do nothing.
return False
handle_position = self._handle.getWorldPosition()
# Save the current positions of the node, as we want to rotate around their current centres
self._saved_node_positions = []
for node in self._getSelectedObjectsWithoutSelectedAncestors():
self._saved_node_positions.append((node, node.getPosition()))
if id == ToolHandle.XAxis:
self.setDragPlane(Plane(Vector(1, 0, 0), handle_position.x))
elif id == ToolHandle.YAxis:
self.setDragPlane(Plane(Vector(0, 1, 0), handle_position.y))
elif self._locked_axis == ToolHandle.ZAxis:
self.setDragPlane(Plane(Vector(0, 0, 1), handle_position.z))
else:
self.setDragPlane(Plane(Vector(0, 1, 0), handle_position.y))
self.setDragStart(event.x, event.y)
self._rotating = False
self._angle = 0
return True
if event.type == Event.MouseMoveEvent:
# Perform a rotate operation
if not self.getDragPlane():
return False
if not self.getDragStart():
self.setDragStart(event.x, event.y)
if not self.getDragStart(): #May have set it to None.
return False
if not self._rotating:
self._rotating = True
self.operationStarted.emit(self)
handle_position = self._handle.getWorldPosition()
drag_start = (self.getDragStart() - handle_position).normalized()
drag_position = self.getDragPosition(event.x, event.y)
if not drag_position:
return False
drag_end = (drag_position - handle_position).normalized()
try:
angle = math.acos(drag_start.dot(drag_end))
except ValueError:
angle = 0
if self._snap_rotation:
angle = int(angle / self._snap_angle) * self._snap_angle
if angle == 0:
return False
rotation = None
if self.getLockedAxis() == ToolHandle.XAxis:
direction = 1 if Vector.Unit_X.dot(
drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle,
Vector.Unit_X)
elif self.getLockedAxis() == ToolHandle.YAxis:
direction = 1 if Vector.Unit_Y.dot(
drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle,
Vector.Unit_Y)
elif self.getLockedAxis() == ToolHandle.ZAxis:
direction = 1 if Vector.Unit_Z.dot(
drag_start.cross(drag_end)) > 0 else -1
rotation = Quaternion.fromAngleAxis(direction * angle,
Vector.Unit_Z)
else:
direction = -1
# Rate-limit the angle change notification
# This is done to prevent the UI from being flooded with property change notifications,
# which in turn would trigger constant repaints.
new_time = time.monotonic()
if not self._angle_update_time or new_time - self._angle_update_time > 0.1:
self._angle_update_time = new_time
self._angle += direction * angle
self.propertyChanged.emit()
# Rotate around the saved centeres of all selected nodes
if len(self._saved_node_positions) > 1:
op = GroupedOperation()
for node, position in self._saved_node_positions:
op.addOperation(
RotateOperation(node,
rotation,
rotate_around_point=position))
op.push()
else:
for node, position in self._saved_node_positions:
RotateOperation(node,
rotation,
rotate_around_point=position).push()
self.setDragStart(event.x, event.y)
return True
if event.type == Event.MouseReleaseEvent:
# Finish a rotate operation
if self.getDragPlane():
self.setDragPlane(None)
self.setLockedAxis(ToolHandle.NoAxis)
self._angle = None
self.propertyChanged.emit()
if self._rotating:
self.operationStopped.emit(self)
return True