New generator: ShutterBox
A box with a rolling shutter made out of flex
This commit is contained in:
Florian Festi
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4a79c37e71
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#!/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 ShutterBox(Boxes):
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"""Box with a rolling shutter made of flex"""
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ui_group = "Box"
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description = "Beware of the rolling shutter effect! Use wax on sliding surfaces."
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def side(self, l, h, r, move=None):
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t = self.thickness
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if self.move(l+2*t, h+2*t, move, True):
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return
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self.moveTo(t, t)
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self.ctx.save()
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n = self.n
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a = 90. / n
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ls = 2*math.sin(math.radians(a/2)) * (r-2.5*t)
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#self.hole(l-r, r, r-2.5*t)
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self.fingerHolesAt(0, 2*t, l-r, 0)
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self.moveTo(l-r, 2.5*t, a/2)
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for i in range(n):
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self.fingerHolesAt(0, -0.5*t, ls, 0)
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self.moveTo(ls, 0, a)
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if h - 2*r > 2*t:
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self.moveTo(0, 0, -a/2)
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self.fingerHolesAt(0, -0.5*t, h - 2*r, 0)
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self.ctx.restore()
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self.edges["f"](l)
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self.corner(90)
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self.edges["f"](h-r)
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self.polyline(0, -90, t, 90, 0, (90, r+t), l-r, 90, t)
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self.edges["f"](h)
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self.move(l+2*t, h+2*t, move)
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def cornerRadius(self, r, two=False, move=None):
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s = self.spacing
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if self.move(r, r+s, move, True):
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return
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for i in range(2 if two else 1):
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self.polyline(r, 90, r, 180, 0, (-90, r), 0 ,-180)
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self.moveTo(r, r+s, 180)
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self.move(r, r+s, move)
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def rails(self, l, r, move=None):
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t = self.thickness
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s = self.spacing
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tw, th = l+2.5*t+3*s, r+1.5*t+3*s
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if self.move(tw, th, move, True):
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return
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self.moveTo(2.5*t+s, 0)
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self.polyline(l-r, (90, r+t), 0, 90, t, 90, 0, (-90, r), l-r, 90, t, 90)
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self.moveTo(-t-s, t+s)
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self.polyline(l-r, (90, r+t), 0, 90, t, 90, 0, (-90, r), l-r, 90, t, 90)
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self.moveTo(0.5*t, t+s)
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self.polyline(l-r, (90, r-1.5*t), 0, 90, t, 90, 0, (-90, r-2.5*t), l-r, 90, t, 90)
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self.moveTo(-t-s, t+s)
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self.polyline(l-r, (90, r-1.5*t), 0, 90, t, 90, 0, (-90, r-2.5*t), l-r, 90, t, 90)
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self.move(tw, th, move)
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def door(self, l, h, move=None):
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t = self.thickness
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if self.move(l, h, move, True):
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return
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self.fingerHolesAt(t, t, h-2*t)
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self.edge(2*t)
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self.edges["X"](l-2*t, h)
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self.polyline(0, 90, h, 90, l, 90, h, 90)
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self.move(l, h, move)
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings)
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self.addSettingsArgs(edges.FlexSettings, distance=.75, connection=2.)
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self.buildArgParser(x=100, y=100, h=100)
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self.argparser.add_argument(
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"--radius", action="store", type=float, default=0.0,
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help="radius of the corners")
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def render(self):
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x, y, h, r = self.x, self.y, self.h, self.radius
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self.n = n = 3
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if not r:
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self.radius = r = h / 2
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self.radius = r = min(r, h/2)
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t = self.thickness
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# Initialize canvas
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self.open()
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self.ctx.save()
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self.side(x, h, r, move="right")
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self.side(x, h, r, move="right")
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self.rectangularWall(y, h, "fFEF", move="right")
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self.rectangularWall(y, h-r, "fFeF", move="right")
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self.cornerRadius(r, two=True, move="right")
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self.rails(x, r, move="right")
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self.ctx.restore()
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self.side(x, h, r, move="up only")
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self.rectangularWall(x, y, "FFFF", move="right")
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self.door(x-r+0.5*math.pi*r + 3*t, y-0.2*t, move="right")
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self.rectangularWall(2*t, y-2.2*t, edges="eeef", move="right")
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a = 90. / n
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ls = 2*math.sin(math.radians(a/2)) * (r-2.5*t)
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edges.FingerJointSettings(t, angle=a).edgeObjects(self, chars="aA")
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edges.FingerJointSettings(t, angle=a/2).edgeObjects(self, chars="bB")
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self.rectangularWall(x-r, y, "fbfe", move="right")
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self.rectangularWall(ls, y, "fafB", move="right")
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for i in range(n-2):
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self.rectangularWall(ls, y, "fafA", move="right")
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if h - 2*r > 2*t:
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self.rectangularWall(ls, y, "fbfA", move="right")
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self.rectangularWall(h - 2*r, y, "fefB", move="right")
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else:
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self.rectangularWall(ls, y, "fefA", move="right")
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self.close()
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