135 lines
5.2 KiB
Python
135 lines
5.2 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2013-2016 Florian Festi
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from boxes import *
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class PirateChest(Boxes):
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"""Box with polygon lid with chest hinges."""
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description = """Do not assemble sides before attaching the lid!
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Hinge of the lid has to be placed first because it is impossible
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to get it in position without removing the side wall. The lid can
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be a bit tricky to assemble. Keep track of how the parts fit together.
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Part with label "lid back" is placed in the hinges"""
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ui_group = "Box"
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def __init__(self) -> None:
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings, finger=1.0,space=1.0)
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self.addSettingsArgs(edges.HingeSettings)
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self.buildArgParser("x", "y", "h", "outside")
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self.argparser.add_argument(
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"--n", action="store", type=int, default=5,
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help="number of sides on the lid. n ≥ 3")
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def render(self):
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# adjust to the variables you want in the local scope
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x, y, h = self.x, self.y, self.h
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if self.outside:
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x = self.adjustSize(x)
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y = self.adjustSize(y)
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h = self.adjustSize(h, "f", False)
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t = self.thickness
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n = self.n
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if (n < 3):
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raise ValueError("number of sides on the lid must be greater or equal to 3 (got %i)" % n)
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hy = self.edges["O"].startwidth()
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h -= hy
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if (h < 0):
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raise ValueError("box to low to allow for hinge (%i)" % h)
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# create edge for non 90 degree joints in the lid
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fingerJointSettings = copy.deepcopy(self.edges["f"].settings)
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fingerJointSettings.setValues(self.thickness, angle=180./(n-1))
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fingerJointSettings.edgeObjects(self, chars="gGH")
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# render all parts
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self.ctx.save()
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self.rectangularWall(x, y, "FFFF", move="up", label="Bottom")
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frontlid, toplids, backlid = self.topside(y, n = n, move="only", bottem='P')
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self.rectangularWall(x, backlid, "qFgF", move="up", label="lid back")
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for _ in range(n-2):
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self.rectangularWall(x, toplids, "GFgF", move="up", label="lid top")
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self.rectangularWall(x, frontlid, "GFeF", move="up", label="lid front")
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self.ctx.restore()
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self.rectangularWall(x, y, "FFFF", move="right only")
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with self.saved_context():
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self.rectangularWall(x, h, "fFQF", ignore_widths=[2, 5], move="right", label="front")
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self.rectangularWall(y, h, "ffof", ignore_widths=[5], move="right", label="right")
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self.rectangularWall(0, h, "eeep", move="right only")
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self.rectangularWall(x, h, "fFoF", move="up only")
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self.rectangularWall(x, 0, "Peee", move="up only")
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e1 = edges.CompoundEdge(self, "Fe", (h, hy))
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e2 = edges.CompoundEdge(self, "eF", (hy, h))
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e_back = ("f", e1, "e", e2)
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with self.saved_context():
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self.rectangularWall(x, h+hy, e_back, move="right", label="back") # extend back to correct height
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self.rectangularWall(0, h, "ePee", move="right only")
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self.rectangularWall(y, h, "ffOf", ignore_widths=[2], move="right", label="left")
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self.rectangularWall(x, h, "fFOF", move="up only")
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self.rectangularWall(x, 0, "peee", move="up only")
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self.topside(y, n = n, move="right", bottem='p', label="lid left")
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self.topside(y, n = n, move="right", bottem='P', label="lid right")
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def topside(self, y, n, bottem, move=None, label=""):
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radius, hp, side = self.regularPolygon((n - 1) * 2, h=y/2.0)
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tx = y + 2 * self.edges.get('f').spacing()
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lidheight = hp if n % 2 else radius
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ty = lidheight + self.edges.get('f').spacing() + self.edges.get(bottem).spacing()
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if self.move(tx, ty, move, before=True):
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return side/2 + self.edges.get(bottem).spacing(), side, side/2
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self.moveTo(self.edges.get('f').margin(), self.edges.get(bottem).margin())
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self.edges.get(bottem)(y)
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self.corner(90)
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if bottem == 'p':
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self.edges.get('f')(side/2 + self.edges.get(bottem).spacing())
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else:
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self.edges.get('f')(side/2)
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self.corner(180 / (n - 1))
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for _ in range(n-2):
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self.edges.get('f')(side)
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self.corner(180 / (n - 1))
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if bottem == 'P':
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self.edges.get('f')(side/2 + self.edges.get(bottem).spacing())
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else:
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self.edges.get('f')(side/2)
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self.corner(90)
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self.move(tx, ty, move, label=label)
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return side/2 + self.edges.get(bottem).spacing(), side, side/2
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