124 lines
5.2 KiB
Python
124 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 DisplayShelf(Boxes): # change class name here and below
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"""Shelf with slanted floors"""
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ui_group = "Shelf"
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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.buildArgParser(x=400, y=100, h=300, outside=True)
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self.argparser.add_argument(
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"--num", action="store", type=int, default=3,
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help="number of shelves")
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self.argparser.add_argument(
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"--front_wall_height", action="store", type=float, default=20.0,
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help="height of front walls")
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self.argparser.add_argument(
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"--angle", action="store", type=float, default=30.0,
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help="angle of floors (negative values for slanting backwards)")
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self.argparser.add_argument(
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"--include_back", action="store", type=boolarg, default=False,
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help="Include panel on the back of the shelf")
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self.argparser.add_argument(
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"--slope_top", action="store", type=boolarg, default=False,
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help="Slope the sides and the top by front wall height")
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def generate_finger_holes(self):
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t = self.thickness
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a = self.radians
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hs = (self.sl+t) * math.sin(a) + math.cos(a) * t
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for i in range(self.num):
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pos_x = abs(0.5*t*math.sin(a))
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pos_y = hs - math.cos(a)*0.5*t + i * (self.h-abs(hs)) / (self.num - 0.5)
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if a < 0:
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pos_y += -math.sin(a) * self.sl
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self.fingerHolesAt(pos_x, pos_y, self.sl, -self.angle)
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pos_x += math.cos(-a) * (self.sl+0.5*t) + math.sin(a)*0.5*t
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pos_y += math.sin(-a) * (self.sl+0.5*t) + math.cos(a)*0.5*t
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self.fingerHolesAt(pos_x, pos_y, self.front_wall_height, 90-self.angle)
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def generate_sloped_sides(self, width, height):
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top_segment_height = height/self.num
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a = self.radians
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#Maximum size to cut out
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vertical_cut = top_segment_height - self.front_wall_height
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hypotenuse = vertical_cut / math.sin(a)
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horizontal_cut = math.sqrt((hypotenuse ** 2) - (vertical_cut ** 2))
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if (horizontal_cut > width):
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#Shrink the cut to keep the full height
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horizontal_cut = width - 1 #keep a 1mm edge on the top
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vertical_cut = horizontal_cut * math.tan(a)
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hypotenuse = math.sqrt((horizontal_cut ** 2) + (vertical_cut ** 2))
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top = width - horizontal_cut
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front = height - vertical_cut
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borders = [width, 90, front, 90-self.angle, hypotenuse, self.angle, top, 90, height, 90]
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edges = 'eeeef' if self.include_back else 'e'
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self.polygonWall(borders, edge=edges, callback=[self.generate_finger_holes], move="up", label="left side")
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self.polygonWall(borders, edge=edges, callback=[self.generate_finger_holes], move="up", label="right side")
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def generate_rectangular_sides(self, width, height):
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edges = "eeee"
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if self.include_back:
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edges = "eeef"
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self.rectangularWall(width, height, edges, callback=[self.generate_finger_holes], move="up", label="left side")
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self.rectangularWall(width, height, edges, callback=[self.generate_finger_holes], move="up", label="right side")
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def generate_shelves(self):
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if self.front_wall_height:
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for i in range(self.num):
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self.rectangularWall(self.x, self.sl, "ffef", move="up", label=f"shelf {i+1}")
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self.rectangularWall(self.x, self.front_wall_height, "Ffef", move="up", label=f"front lip {i+1}")
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else:
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for i in range(self.num):
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self.rectangularWall(self.x, self.sl, "Efef", move="up", label=f"shelf {i+1}")
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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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x, y, h = self.x, self.y, self.h
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front = self.front_wall_height
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thickness = self.thickness
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if self.outside:
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x = self.adjustSize(x)
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if self.include_back:
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y = self.adjustSize(y)
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self.radians = a = math.radians(self.angle)
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self.sl = (y - (thickness * (math.cos(a) + abs(math.sin(a)))) - max(0, math.sin(a) * front)) / math.cos(a)
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# render your parts here
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if self.slope_top:
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self.generate_sloped_sides(y, h)
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else:
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self.generate_rectangular_sides(y, h)
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self.generate_shelves()
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if self.include_back:
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self.rectangularWall(x, h, "eFeF", label="back wall", move="up")
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