Cura/slice/cura_sf/fabmetheus_utilities/geometry/solids/cube.py

   1 """
   2 Boolean geometry cube.
   3
   4 """
   5
   6
   7 from __future__ import absolute_import
   8
   9 from fabmetheus_utilities.geometry.creation import solid
  10 from fabmetheus_utilities.geometry.geometry_utilities import evaluate
  11 from fabmetheus_utilities.geometry.solids import triangle_mesh
  12 from fabmetheus_utilities.vector3 import Vector3
  13
  14
  15 __author__ = 'Enrique Perez (perez_enrique@yahoo.com)'
  16 __credits__ = 'Nophead <http://hydraraptor.blogspot.com/>\nArt of Illusion <http://www.artofillusion.org/>'
  17 __date__ = '$Date: 2008/21/04 $'
  18 __license__ = 'GNU Affero General Public License http://www.gnu.org/licenses/agpl.html'
  19
  20
  21 def addCube(elementNode, faces, inradius, vertexes):
  22         'Add cube by inradius.'
  23         square = [
  24                 complex(-inradius.x, -inradius.y),
  25                 complex(inradius.x, -inradius.y),
  26                 complex(inradius.x, inradius.y),
  27                 complex(-inradius.x, inradius.y)]
  28         bottomTopSquare = triangle_mesh.getAddIndexedLoops(square, vertexes, [-inradius.z, inradius.z])
  29         triangle_mesh.addPillarByLoops(faces, bottomTopSquare)
  30
  31 def getGeometryOutput(elementNode, inradius):
  32         'Get cube triangle mesh by inradius.'
  33         faces = []
  34         vertexes = []
  35         addCube(elementNode, faces, inradius, vertexes)
  36         return {'trianglemesh' : {'vertex' : vertexes, 'face' : faces}}
  37
  38 def getNewDerivation(elementNode):
  39         'Get new derivation.'
  40         return CubeDerivation(elementNode)
  41
  42 def processElementNode(elementNode):
  43         'Process the xml element.'
  44         evaluate.processArchivable(Cube, elementNode)
  45
  46
  47 class Cube(triangle_mesh.TriangleMesh):
  48         'A cube object.'
  49         def addXMLSection(self, depth, output):
  50                 'Add the xml section for this object.'
  51                 pass
  52
  53         def createShape(self):
  54                 'Create the shape.'
  55                 addCube(self.elementNode, self.faces, self.inradius, self.vertexes)
  56
  57         def setToElementNode(self, elementNode):
  58                 'Set to elementNode.'
  59                 attributes = elementNode.attributes
  60                 self.elementNode = elementNode
  61                 self.inradius = CubeDerivation(elementNode).inradius
  62                 attributes['inradius.x'] = self.inradius.x
  63                 attributes['inradius.y'] = self.inradius.y
  64                 attributes['inradius.z'] = self.inradius.z
  65                 if 'inradius' in attributes:
  66                         del attributes['inradius']
  67                 self.createShape()
  68                 solid.processArchiveRemoveSolid(elementNode, self.getGeometryOutput())
  69
  70
  71 class CubeDerivation(object):
  72         "Class to hold cube variables."
  73         def __init__(self, elementNode):
  74                 'Set defaults.'
  75                 self.inradius = evaluate.getVector3ByPrefixes(elementNode, ['demisize', 'inradius'], Vector3(1.0, 1.0, 1.0))
  76                 self.inradius = evaluate.getVector3ByMultiplierPrefix(elementNode, 2.0, 'size', self.inradius)