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# Copyright (c) 2015 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.
from UM.Operations.Operation import Operation
from UM.Operations.GroupedOperation import GroupedOperation
from UM.Scene.SceneNode import SceneNode
## A specialised operation designed specifically to modify the previous operation.
class PlatformPhysicsOperation(Operation):
def __init__(self, node, translation):
super().__init__()
self._node = node
self._old_transformation = node.getLocalTransformation()
self._translation = translation
self._always_merge = True
def undo(self):
self._node.setTransformation(self._old_transformation)
def redo(self):
self._node.translate(self._translation, SceneNode.TransformSpace.World)
def mergeWith(self, other):
group = GroupedOperation()
group.addOperation(other)
group.addOperation(self)
return group
def __repr__(self):
return "PlatformPhysicsOperation(translation = {0})".format(self._translation)
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