169 lines
5.2 KiB
Python
169 lines
5.2 KiB
Python
#!/usr/bin/env python3
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# Copyright (C) 2013-2014 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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import math
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class FlexBox3(Boxes):
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"""Box with living hinge"""
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ui_group = "FlexBox"
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=1)
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self.addSettingsArgs(edges.FlexSettings)
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self.buildArgParser("x", "y", "outside")
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self.argparser.add_argument(
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"--z", action="store", type=float, default=100.0,
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help="height of the box")
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self.argparser.add_argument(
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"--h", action="store", type=float, default=10.0,
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help="height of the lid")
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self.argparser.add_argument(
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"--radius", action="store", type=float, default=10.0,
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help="radius of the lids living hinge")
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self.argparser.add_argument(
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"--c", action="store", type=float, default=1.0,
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dest="d", help="clearance of the lid")
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def flexBoxSide(self, x, y, r, callback=None, move=None):
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t = self.thickness
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if self.move(x+2*t, y+t, move, True):
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return
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self.moveTo(t, t)
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self.cc(callback, 0)
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self.edges["f"](x)
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self.corner(90, 0)
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self.cc(callback, 1)
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self.edges["f"](y - r)
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self.corner(90, r)
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self.cc(callback, 2)
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self.edge(x - r)
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self.corner(90, 0)
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self.cc(callback, 3)
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self.edges["f"](y)
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self.corner(90)
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self.move(x+2*t, y+t, move)
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def surroundingWall(self, move=None):
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x, y, z, r, d = self.x, self.y, self.z, self.radius, self.d
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t = self.thickness
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tw = x + y - 2*r + self.c4 + 2*t + d
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th = z + 4*t + 2*d
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if self.move(tw, th, move, True):
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return
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self.moveTo(t, d + t)
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self.edges["F"](y - r, False)
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self.edges["X"](self.c4, z + 2 * t)
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self.corner(-90)
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self.edge(d)
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self.corner(90)
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self.edges["f"](x - r + d)
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self.corner(90)
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self.edges["f"](z + 2 * t + 2 * d)
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self.corner(90)
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self.edges["f"](x - r + d)
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self.corner(90)
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self.edge(d)
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self.corner(-90)
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self.edge(self.c4)
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self.edges["F"](y - r)
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self.corner(90)
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self.edge(t)
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self.edges["f"](z)
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self.edge(t)
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self.corner(90)
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self.move(tw, th, move)
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def lidSide(self, move=None):
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x, y, z, r, d, h = self.x, self.y, self.z, self.radius, self.d, self.h
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t = self.thickness
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r2 = r + t if r + t <= h + t else h + t
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if r < h:
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r2 = r + t
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base_l = x + 2 * t
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if self.move(h+t, base_l+t, move, True):
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return
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self.edge(h + self.thickness - r2)
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self.corner(90, r2)
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self.edge(r - r2 + 2 * t)
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else:
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a = math.acos((r-h)/(r+t))
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ang = math.degrees(a)
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base_l = x + (r+t) * math.sin(a) - r
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if self.move(h+t, base_l+t, move, True):
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return
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self.corner(90-ang)
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self.corner(ang, r+t)
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self.edges["F"](x - r)
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self.edgeCorner("F", "f")
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self.edges["g"](h)
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self.edgeCorner("f", "e")
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self.edge(base_l)
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self.corner(90)
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self.move(h+t, base_l+t, move)
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def render(self):
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if self.outside:
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self.x = self.adjustSize(self.x)
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self.y = self.adjustSize(self.y)
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self.z = self.adjustSize(self.z)
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x, y, z, d, h = self.x, self.y, self.z, self.d, self.h
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r = self.radius = self.radius or min(x, y) / 2.0
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thickness = self.thickness
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self.c4 = c4 = math.pi * r * 0.5 * 0.95
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self.latchsize = 8 * thickness
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width = 2 * x + y - 2 * r + c4 + 14 * thickness + 3 * h # lock
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height = y + z + 8 * thickness
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s = edges.FingerJointSettings(self.thickness, finger=1.,
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space=1., surroundingspaces=1)
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s.edgeObjects(self, "gGH")
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with self.saved_context():
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self.surroundingWall(move="right")
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self.rectangularWall(x, z, edges="FFFF", move="right")
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self.rectangularWall(h, z + 2 * (d + self.thickness), edges="GeGF", move="right")
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self.lidSide(move="right")
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self.lidSide(move="mirror right")
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self.surroundingWall(move="up only")
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self.flexBoxSide(x, y, r, move="right")
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self.flexBoxSide(x, y, r, move="mirror right")
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self.rectangularWall(z, y, edges="fFeF")
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