mirror of
https://git.mirrors.martin98.com/https://github.com/Ultimaker/Cura
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96 lines
4.1 KiB
Python
96 lines
4.1 KiB
Python
# Copyright (c) 2015 Ultimaker B.V.
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# Cura is released under the terms of the AGPLv3 or higher.
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from PyQt5.QtCore import QTimer
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from UM.Scene.SceneNode import SceneNode
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from UM.Scene.Iterator.BreadthFirstIterator import BreadthFirstIterator
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from UM.Operations.TranslateOperation import TranslateOperation
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from UM.Operations.ScaleToBoundsOperation import ScaleToBoundsOperation
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from UM.Math.Float import Float
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from UM.Math.Vector import Vector
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from UM.Math.AxisAlignedBox import AxisAlignedBox
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from UM.Application import Application
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from UM.Scene.Selection import Selection
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from . import PlatformPhysicsOperation
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from . import ConvexHullJob
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import time
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import threading
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class PlatformPhysics:
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def __init__(self, controller, volume):
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super().__init__()
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self._controller = controller
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self._controller.getScene().sceneChanged.connect(self._onSceneChanged)
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self._build_volume = volume
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self._change_timer = QTimer()
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self._change_timer.setInterval(100)
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self._change_timer.setSingleShot(True)
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self._change_timer.timeout.connect(self._onChangeTimerFinished)
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def _onSceneChanged(self, source):
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self._change_timer.start()
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def _onChangeTimerFinished(self):
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root = self._controller.getScene().getRoot()
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for node in BreadthFirstIterator(root):
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if node is root or type(node) is not SceneNode:
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continue
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bbox = node.getBoundingBox()
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if not bbox or not bbox.isValid():
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continue
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# Mark the node as outside the build volume if the bounding box test fails.
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if self._build_volume.getBoundingBox().intersectsBox(bbox) != AxisAlignedBox.IntersectionResult.FullIntersection:
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node._outside_buildarea = True
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else:
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node._outside_buildarea = False
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# Move the node upwards if the bottom is below the build platform.
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move_vector = Vector()
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if not Float.fuzzyCompare(bbox.bottom, 0.0):
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move_vector.setY(-bbox.bottom)
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# If there is no convex hull for the node, start calculating it and continue.
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if not hasattr(node, "_convex_hull"):
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if not hasattr(node, "_convex_hull_job"):
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job = ConvexHullJob.ConvexHullJob(node)
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job.start()
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node._convex_hull_job = job
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elif Selection.isSelected(node):
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pass
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else:
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# Check for collisions between convex hulls
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for other_node in BreadthFirstIterator(root):
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# Ignore root, ourselves and anything that is not a normal SceneNode.
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if other_node is root or type(other_node) is not SceneNode or other_node is node:
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continue
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# Ignore nodes that do not have the right properties set.
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if not hasattr(other_node, "_convex_hull") or not other_node.getBoundingBox():
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continue
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# Check to see if the bounding boxes intersect. If not, we can ignore the node as there is no way the hull intersects.
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if node.getBoundingBox().intersectsBox(other_node.getBoundingBox()) == AxisAlignedBox.IntersectionResult.NoIntersection:
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continue
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# Get the overlap distance for both convex hulls. If this returns None, there is no intersection.
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overlap = node._convex_hull.intersectsPolygon(other_node._convex_hull)
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if overlap is None:
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continue
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move_vector.setX(overlap[0] * 1.1)
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move_vector.setZ(overlap[1] * 1.1)
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if move_vector != Vector():
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op = PlatformPhysicsOperation.PlatformPhysicsOperation(node, move_vector)
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op.push()
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if node.getBoundingBox().intersectsBox(self._build_volume.getBoundingBox()) == AxisAlignedBox.IntersectionResult.FullIntersection:
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op = ScaleToBoundsOperation(node, self._build_volume.getBoundingBox())
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op.push()
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