Source code for boxes.generators.heart

#!/usr/bin/env python3
# Copyright (C) 2013-2016 Florian Festi
#
#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.

from boxes import *

[docs]class HeartBox(Boxes): """Box in the form of an heart""" ui_group = "FlexBox" def __init__(self): Boxes.__init__(self) self.addSettingsArgs(edges.FingerJointSettings, finger=1.0,space=1.0) self.addSettingsArgs(edges.FlexSettings) self.buildArgParser(x=150, h=50) self.argparser.add_argument( "--top", action="store", type=str, default="closed", choices=["closed", "hole", "lid",], help="style of the top and lid") def CB(self): x = self.x t = self.thickness l = 2/3. * x - t r = l/2. - t d = 2 *t if self.top == "closed": return for i in range(2): self.moveTo(t, t) self.polyline((l, 2), (180, r), (d, 1), -90, (d, 1), (180, r), (l, 2), 90) l -= t r -= t d += t if self.top == "hole": return def render(self): x, h = self.x, self.h t = self.thickness l = 2/3. * x r = l/2. - 0.5*t borders = [l, (180, r), t, -90, t, (180, r), l, 90] self.polygonWalls(borders, h) self.rectangularWall(0, h, "FFFF", move="up only") self.polygonWall(borders, callback=[self.CB], move="right") self.moveTo(-2*t) self.polygonWall(borders, move="mirror right") if self.top == "lid": self.polygonWall([l+t, (180, r+t), 0, -90, 0, (180, r+t), l+t, 90], 'e')