147 lines
5.2 KiB
Python
147 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 Shoe(Boxes):
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"""Shoe shaped box"""
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description = """Shoe shaped box with flat sides and rounded top.
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Works best if flex if under slight compression.
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Make sure that the following conditions are met:
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y > tophole + r + fronttop;
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height > frontheight."""
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ui_group = "Misc"
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def __init__(self) -> None:
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings)
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self.addSettingsArgs(edges.FlexSettings)
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self.argparser.add_argument(
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"--width", action="store", type=float, default=65,
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help="width of the shoe")
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self.argparser.add_argument(
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"--length", action="store", type=float, default=175,
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help="length front to back")
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self.argparser.add_argument(
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"--height", action="store", type=float, default=100,
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help="height at the back of the shoe")
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self.argparser.add_argument(
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"--frontheight", action="store", type=float, default=35,
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help="height at the front of the shoe")
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self.argparser.add_argument(
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"--fronttop", action="store", type=float, default=20,
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help="length of the flat part at the front of the shoe")
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self.argparser.add_argument(
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"--tophole", action="store", type=float, default=75,
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help="length of the opening at the top")
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self.argparser.add_argument(
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"--radius", action="store", type=float, default=30,
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help="radius of the bend")
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def render(self):
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x, y, h = self.width, self.length, self.height
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t = self.thickness
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hf = self.frontheight
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yg = self.tophole
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tf = self.fronttop
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r=self.radius
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if (hf > h):
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# Give an error because the result will be wrong with possible unconnected paths
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raise ValueError("Height at front of shoe must be less than height at back of shoe.")
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stretch = (self.edges["X"].settings.stretch)
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self.ctx.save()
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self.rectangularWall(y, x, "FFFF", move="up", label="Bottom")
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lf,a=self.shoeside(y,h,hf,yg,tf,r, move="up", label="Side")
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self.shoeside(y,h,hf,yg,tf,r, move="mirror up", label="Side")
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self.ctx.restore()
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self.rectangularWall(y, x, "FFFF", move="right only")
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self.rectangularWall(x, h, "ffef", move="up", label="Back")
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self.rectangularWall(x, hf, "ffff", move="up", label="front")
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dr = a*(r-t)/stretch
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self.shoelip(x, tf, dr, lf, label="top")
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def shoelip(self, x, tf, dr, lf, move=None, label=""):
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w = self.edges["F"].spacing()
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th = tf + dr + lf + self.edges["F"].spacing() + self.edges["e"].spacing()
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tw = x + 2*w
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if self.move(tw, th, move, True, label=label):
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return
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self.moveTo(self.edges["F"].spacing(), self.edges["e"].spacing())
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self.edges["F"](x)
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self.edgeCorner("F", "F")
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self.edges["F"](tf)
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self.edges["X"](dr, h=x+2*w)
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self.edges["F"](lf)
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self.edgeCorner("F", "e")
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self.edges["e"](x)
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self.edgeCorner("e", "F")
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self.edges["F"](lf)
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self.edges["E"](dr)
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self.edges["F"](tf)
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self.edgeCorner("F", "F")
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self.move(tw, th, move, label=label)
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def shoeside(self, y, h, hf, yg, tf, r, move=None, label=""):
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import math
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tx = y + 2 * self.edges.get('F').spacing()
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ty = h + self.edges.get('f').spacing() + self.edges.get("e").spacing()
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if self.move(tx, ty, move, before=True):
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return
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lf = math.sqrt((h-hf)**2+(y-yg-tf)**2)
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af = 90-math.degrees(math.atan((h-hf)/(y-yg-tf)))
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atemp = math.degrees(math.atan((h-hf-r)/(y-yg-tf)))
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dtemp = math.sqrt((h-hf-r)**2+(y-yg-tf)**2)
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lf = math.sqrt(dtemp**2-r**2)
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af = 90-atemp-math.degrees(math.atan(r/lf))
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self.moveTo(self.edges.get('f').margin(), self.edges.get("f").margin())
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self.edges.get('f')(y)
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self.edgeCorner(self.edges["f"],self.edges["F"],90)
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self.edges.get('F')(hf)
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self.edgeCorner(self.edges["F"],self.edges["f"],90)
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self.edges.get('f')(tf)
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self.corner(af-90,r)
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self.edges.get('f')(lf)
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self.edgeCorner(self.edges["f"],self.edges["e"],90-af)
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self.edges.get('e')(yg)
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self.edgeCorner(self.edges["e"],self.edges["F"],90)
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self.edges.get('F')(h)
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self.edgeCorner(self.edges["F"],self.edges["f"],90)
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self.move(tx, ty, move, label=label)
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return lf,math.radians(90-af)
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