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#!/usr/bin/env python3
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# Copyright (C) 2020 Norbert Szulc
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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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from boxes.edges import FingerJointBase, FingerJointEdge
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from math import sin, pi
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class UnevenFingerJointEdge(FingerJointEdge):
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"""Uneven finger joint edge """
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char = 'u'
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description = "Uneven Finger Joint"
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positive = True
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def __call__(self, length, bedBolts=None, bedBoltSettings=None, **kw):
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# copied from original
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positive = self.positive
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s, f, thickness = self.settings.space, self.settings.finger, self.settings.thickness
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p = 1 if positive else -1
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fingers, leftover = self.calcFingers(length, bedBolts)
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if not positive:
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play = self.settings.play
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f += play
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s -= play
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leftover -= play
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shift = (f + s) / 2 # we shift all fingers to make them un even
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if (leftover < shift):
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leftover = shift
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self.edge((leftover + shift)/2, tabs=1) # Whole point of this class
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l1,l2 = self.fingerLength(self.settings.angle)
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h = l1-l2
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d = (bedBoltSettings or self.bedBoltSettings)[0]
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for i in range(fingers):
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if i != 0:
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if not positive and bedBolts and bedBolts.drawBolt(i):
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self.hole(0.5 * s,
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0.5 * self.settings.thickness, 0.5 * d)
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if positive and bedBolts and bedBolts.drawBolt(i):
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self.bedBoltHole(s, bedBoltSettings)
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else:
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self.edge(s)
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if positive and self.settings.style == "springs":
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self.polyline(
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0, -90 * p, 0.8*h, (90 * p, 0.2*h),
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0.1 * h, 90, 0.9*h, -180, 0.9*h, 90,
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f - 0.6*h,
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90, 0.9*h, -180, 0.9*h, 90, 0.1*h,
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(90 * p, 0.2 *h), 0.8*h, -90 * p)
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else:
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self.polyline(0, -90 * p, h, 90 * p, f, 90 * p, h, -90 * p)
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self.edge((leftover - shift)/2, tabs=1) # Whole point of this class
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# Unstable
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class UnevenFingerJointEdgeCounterPart(UnevenFingerJointEdge):
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"""Uneven finger joint edge - other side"""
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char = 'U'
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description = "Uneven Finger Joint (opposing side)"
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positive = False
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class Platonic(Boxes):
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"""Platonic solids generator"""
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ui_group = "Unstable" # see ./__init__.py for names
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SOLIDS = {
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"tetrahedron": (4, 3),
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"cube": (6, 4),
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"octahedron": (8, 3),
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"dodecahedron": (12, 5),
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"icosahedro": (20, 3),
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}
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def __init__(self):
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Boxes.__init__(self)
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self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=0)
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self.buildArgParser(x=60, outside=True) # x should be treated as edge length, TODO: change that
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self.argparser.add_argument(
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"--type", action="store", type=str, default=list(self.SOLIDS)[0],
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choices=list(self.SOLIDS),
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help="type of platonic solid")
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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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e = self.x
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t = self.thickness
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faces, corners = self.SOLIDS[self.type]
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u = UnevenFingerJointEdge(self, self.edges["f"].settings)
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self.addPart(u)
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uc = UnevenFingerJointEdgeCounterPart(self, self.edges["f"].settings)
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self.addPart(uc)
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for _ in range(faces):
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self.regularPolygonWall(corners, side=e, edges="u", move="right")
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