boxespy/boxes/generators/hooks.py

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2018-08-05 22:58:14 +02:00
#!/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 *
import math
HEIGHT = 5
GRID = 25
class Hook(Boxes): # Change class name!
"""DESCRIPTION"""
webinterface = False # Change to make visible in web interface
ui_group = "Unstable" # see ./__init__.py for names
def __init__(self):
Boxes.__init__(self)
self.addSettingsArgs(edges.FingerJointSettings, surroundingspaces=0.5)
def render(self):
self.open()
self.render_back()
self.render_sidewall(move='right')
self.render_sidewall(move='right')
self.render_plates()
self.close()
def back_callback(self, n):
if n != 0:
return
t = self.t
h = self.y_a - t
self.fingerHolesAt(t/2, 0, h)
self.fingerHolesAt(self.w_back - t/2, 0, h)
self.fingerHolesAt(t, h + self.t/2, self.w_hook, 0)
x_h = self.w_hook/2 + t
y1 = h + self.y_o/2
y2 = self.y_o/2
y3 = (y1 + y2) / 2
self.hole(x_h, y1, d=3)
self.hole(x_h, y2, d=3)
self.hole(x_h, y3, d=3)
@property
def t(self):
return self.thickness
@property
def w_hook(self):
return 40
@property
def w_back(self):
return self.w_hook + 2*self.t
def render_back(self):
self.rectangularWall(self.w_back, self.y_ges, 'eEeE', callback=self.back_callback, move='right')
@property
def y_ges(self):
return 100
@property
def y_o(self):
return 30
@property
def y_a(self):
return self.y_ges - self.y_o
@property
def x_o(self):
return 40
@property
def x_plus(self):
return 20
def render_sidewall(self, move=None):
x_ges = self.x_o + self.x_plus + self.t
x_u = 10
x_a = x_ges - x_u
a = math.degrees(math.atan(self.y_a/x_a))
l_a = math.sqrt(self.y_a**2 + x_a**2)
if self.move(x_ges, self.y_ges, move, before=True):
return
f_edge = self.edges['f']
turn = self.corner
self.moveTo(f_edge.margin())
self.polyline(x_u, a, l_a, 90-a, self.y_o-self.t, 90)
f_edge(self.x_plus)
turn(90)
f_edge(self.y_o - self.t)
self.polyline(self.t, -90, self.t)
f_edge(self.x_o)
turn(90)
f_edge(self.y_a - self.t)
turn(90)
self.move(x_ges, self.y_ges, move)
def bitholder_cb(self, n):
if n != 0:
return
self.hole((self.y_o - self.t)/2, self.w_hook/2, d=17)
def render_plates(self):
self.rectangularWall(self.x_o, self.w_hook, 'FFFf', move='right')
self.rectangularWall(self.y_o - self.t, self.w_hook, 'FFFf', move='right', callback=self.bitholder_cb)
self.rectangularWall(self.x_plus, self.w_hook, 'FeFf', move='right')