513 lines
24 KiB
Python
513 lines
24 KiB
Python
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#!/usr/bin/env python3
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'''
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Generates Inkscape SVG file containing box components needed to
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laser cut a tabbed construction box taking kerf and clearance into account
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Original Author -- 2011 elliot white elliot@twot.eu
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Forked -- 2013 Reid Borsuk reid.borsuk@live.com
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Updated for 0.91 2016 Maren Hachmann marenhachmann@yahoo.com
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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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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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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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'''
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__version__ = "0.8rb"
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import inkex,gettext,math
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_ = gettext.gettext
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from lxml import etree
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import math
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def drawS(XYstring): # Draw lines from a list
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name='part'
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style = { 'stroke': '#000000', 'fill': 'none' }
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drw = {'style': str(inkex.Style(style)),inkex.addNS('label','inkscape'):name,'d':XYstring}
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etree.SubElement(parent, inkex.addNS('path','svg'), drw )
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return
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def draw_SVG_ellipse(centerx, centery, radiusx, radiusy, start_end):
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style = { 'stroke' : '#000000',
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'fill' : 'none' }
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ell_attribs = {'style': str(inkex.Style(style)),
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inkex.addNS('cx','sodipodi') :str(centerx),
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inkex.addNS('cy','sodipodi') :str(centery),
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inkex.addNS('rx','sodipodi') :str(radiusx),
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inkex.addNS('ry','sodipodi') :str(radiusy),
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inkex.addNS('start','sodipodi') :str(start_end[0]),
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inkex.addNS('end','sodipodi') :str(start_end[1]),
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inkex.addNS('open','sodipodi') :'true', #all ellipse sectors we will draw are open
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inkex.addNS('type','sodipodi') :'arc',
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'transform' :''
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}
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ell = etree.SubElement(parent, inkex.addNS('path','svg'), ell_attribs )
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#draw an SVG line segment between the given (raw) points
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def draw_SVG_line( x1, y1, x2, y2, parent):
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style = { 'stroke': '#000000', 'fill': 'none' }
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line_attribs = {'style' : str(inkex.Style(style)),
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'd' : 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
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line = etree.SubElement(parent, inkex.addNS('path','svg'), line_attribs )
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def EllipseCircumference(a, b):
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"""
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Compute the circumference of an ellipse with semi-axes a and b.
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Require a >= 0 and b >= 0. Relative accuracy is about 0.5^53.
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"""
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import math
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x, y = max(a, b), min(a, b)
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digits = 53; tol = math.sqrt(math.pow(0.5, digits))
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if digits * y < tol * x: return 4 * x
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s = 0; m = 1
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while x - y > tol * y:
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x, y = 0.5 * (x + y), math.sqrt(x * y)
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m *= 2; s += m * math.pow(x - y, 2)
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return math.pi * (math.pow(a + b, 2) - s) / (x + y)
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"""
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Gives you a list of points that make up a box.
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Returns string suitable for input to drawS
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"""
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def box(sx, sy,ex, ey, leaveLeftSideOpen = False):
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s=[]
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s='M '+str(sx)+','+str(sy)+' '
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s+='L '+str(ex)+','+str(sy)+' '
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s+='L '+str(ex)+','+str(ey)+' '
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s+='L '+str(sx)+','+str(ey)+' '
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if not leaveLeftSideOpen:
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s+='L '+str(sx)+','+str(sy)+' '
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return s
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"""
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Side function is used to render any of the sides so needs all this functionality:
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isLongSide -- long sides without tabs (for cover),
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truncate -- partial sides for the elipse
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gap -- extend the tabs on the curved side for ease of movement
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thumbTab -- Render individual boxes for slots instead of one continuous line
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isTab is used to specify the male/female designation for a side so they mesh properly. Otherwise the tabs
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would be in the same spot for opposing sides, instead of interleaved.
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Returns a list of lines to draw.
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"""
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def side(rx,ry,sox,soy,eox,eoy,tabVec,length, dirx, diry, isTab, isLongSide, truncate = False, gap = False, thumbTab = False):
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# root startOffset endOffset tabVec length direction isTab
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#Long side length= length+((math.pi*(length/2))/4
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tmpLength = 0
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correctionLocal = correction
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if gap:
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correctionLocal = (correction)
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if isLongSide > 0:
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tmpLength = length
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length = isLongSide
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divs=int(length/nomTab) # divisions
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if not divs%2: divs-=1 # make divs odd
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if isLongSide < 0:
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divs = 1
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divs=float(divs)
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tabs=(divs-1)/2 # tabs for side
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if isLongSide < 0:
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divs = 1
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tabWidth = length
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gapWidth = 0
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elif equalTabs:
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gapWidth=tabWidth=length/divs
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else:
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tabWidth=nomTab
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gapWidth=(length-tabs*nomTab)/(divs-tabs)
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if isTab: # kerf correction
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gapWidth-=correctionLocal
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tabWidth+=correctionLocal
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first=correctionLocal/2
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else:
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gapWidth+=correctionLocal
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tabWidth-=correctionLocal
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first=-correctionLocal/2
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s=[]
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firstVec=0; secondVec=tabVec
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if gap:
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secondVec *= 2
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dirxN=0 if dirx else 1 # used to select operation on x or y
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diryN=0 if diry else 1
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(Vx,Vy)=(rx+sox*thickness,ry+soy*thickness)
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s='M '+str(Vx)+','+str(Vy)+' '
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if dirxN: Vy=ry # set correct line start
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if diryN: Vx=rx
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if isLongSide > 0: #LongSide is a side without tabs for a portion.
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length = tmpLength
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divs=int((Z/2)/nomTab)
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if not divs%2: divs-=1
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divs = float(divs)
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# generate line as tab or hole using:
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# last co-ord:Vx,Vy ; tab dir:tabVec ; direction:dirx,diry ; thickness:thickness
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# divisions:divs ; gap width:gapWidth ; tab width:tabWidth
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for n in range(1,int(divs)):
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if n%2:
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Vx=Vx+dirx*gapWidth+dirxN*firstVec+first*dirx
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Vy=Vy+diry*gapWidth+diryN*firstVec+first*diry
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s+='L '+str(Vx)+','+str(Vy)+' '
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Vx=Vx+dirxN*secondVec
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Vy=Vy+diryN*secondVec
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s+='L '+str(Vx)+','+str(Vy)+' '
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else:
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Vxs = Vx
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Vys = Vy
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Vx=Vx+dirx*tabWidth+dirxN*firstVec
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Vy=Vy+diry*tabWidth+diryN*firstVec
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s+='L '+str(Vx)+','+str(Vy)+' '
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Vx=Vx+dirxN*secondVec
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Vy=Vy+diryN*secondVec
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s+='L '+str(Vx)+','+str(Vy)+' '
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if thumbTab:
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drawS(box(Vxs,Vys,Vx,Vy))
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(secondVec,firstVec)=(-secondVec,-firstVec) # swap tab direction
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first=0
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if not truncate:
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s+='L '+str(rx+eox*thickness+dirx*length)+','+str(ry+eoy*thickness+diry*length)+' '
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else: #Truncate specifies that a side is incomplete in preperation for a curve
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s+='L '+str(rx+eox*thickness+dirx*(length/2))+','+str(ry+eoy*thickness+diry*(length/2))+' '
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return s
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#God class. Makes poor design, but not much object oriented in this guy...
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class LivingHinge(inkex.Effect):
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def __init__(self):
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# Call the base class constructor.
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inkex.Effect.__init__(self)
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# Define options
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self.arg_parser.add_argument('--unit',default='mm',help='Measure Units')
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self.arg_parser.add_argument('--inside',type=int,default=0,help='Int/Ext Dimension')
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self.arg_parser.add_argument('--length',type=float,default=100,help='Length of Box')
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self.arg_parser.add_argument('--width',type=float,default=100,help='Width of Box')
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self.arg_parser.add_argument('--height',type=float,default=100,help='Height of Box')
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self.arg_parser.add_argument('--tab',type=float,default=25,help='Nominal Tab Width')
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self.arg_parser.add_argument('--equal',type=int,default=0,help='Equal/Prop Tabs')
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self.arg_parser.add_argument('--thickness',type=float,default=10,help='Thickness of Material')
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self.arg_parser.add_argument('--kerf',type=float,default=0.5,help='Kerf (width) of cut')
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self.arg_parser.add_argument('--clearance',type=float,default=0.01,help='Clearance of joints')
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self.arg_parser.add_argument('--style',type=int,default=25,help='Layout/Style')
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self.arg_parser.add_argument('--spacing',type=float,default=25,help='Part Spacing')
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self.arg_parser.add_argument('--hingeOpt',type=int,default=0,help='Hinge type')
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self.arg_parser.add_argument('--hingeThick',type=float,default=0,help='Hinge thickness')
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self.arg_parser.add_argument('--thumbTab',default=0,help='Add a thumb tab')
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"""
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Traditional multi-slit design.
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Sx, Sy : Start X, Y (pixels, not user units)
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Ex, Ey : End X, Y (pixels, not user units)
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space : gap between slots in the X direction, in user specified units (IE: wood between two rows of slots)
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solidGap : gap between slots in the Y direction, in user specified units (IE: how much wood is left between 2 or 3 cuts)
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"""
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def livingHinge2(self, Sx, Sy, Ex, Ey, space = 2, solidGap = 4):
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space = self.svg.unittouu( str(space) + unit )
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solidGap = self.svg.unittouu( str(solidGap) + unit )
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Sy += thickness
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Ey -= thickness
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height = Ey - Sy
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width = Ex - Sx
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# inkex.utils.debug(width)
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horizontalSlots = int(round(width / space))
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# inkex.utils.debug(horizontalSlots)
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if horizontalSlots % 2 and horizontalSlots != 1:
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horizontalSlots-=1 # make it even so you end with an interior slot
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# inkex.utils.debug(horizontalSlots)
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space = width / horizontalSlots
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grp_name = 'Living Hinge'
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grp_attribs = {inkex.addNS('label','inkscape'):grp_name }
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grp = etree.SubElement(parent, 'g', grp_attribs)#the group to put everything in
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for n in range(0,horizontalSlots+1):
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if n%2: #odd, exterior slot (slot should go all the way to the part edge)
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draw_SVG_line(Sx + (space * n), Sy, Sx + (space * n), Sy+(height/4)-(solidGap/2), grp)
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draw_SVG_line(Sx + (space * n), Sy+(height/4)+(solidGap/2), Sx + (space * n), Ey-(height/4)-(solidGap/2), grp)
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draw_SVG_line(Sx + (space * n), Ey-(height/4)+(solidGap/2), Sx + (space * n), Ey, grp)
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else:
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#even, interior slot (slot shoud not touch edge of part)
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draw_SVG_line(Sx + (space * n), Sy+solidGap, Sx + (space * n), Sy+(height/2)-(solidGap/2), grp)
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draw_SVG_line(Sx + (space * n), Ey-(height/2)+(solidGap/2), Sx + (space * n), Ey-solidGap, grp)
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"""
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The sprial based designs are built from multiple calls of this function.
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Sx, Sy : Start X, Y (pixels, not user units)
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Ex, Ey : End X, Y (pixels, not user units)
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reverse : specifies the spin of the spiral (1 = outer spiral is counterclockwise, -1 otherwise)
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space : gap between slots, in user specified units (IE: how thick the wood remainder is)
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"""
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def livingHinge3(self, Sx, Sy, Ex, Ey, reverse = 1, space = 2):
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space = self.svg.unittouu( str(space) + unit )
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height = (Ey - Sy)
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width = (Ex - Sx)
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horizontalSlots = int(math.floor(height / (space)))
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if not horizontalSlots%2: horizontalSlots-=1 # make it odd otherwise the below division will result in an outer cut too thin
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space = (height / horizontalSlots)
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horizontalSlots = int(round(horizontalSlots * 1/2)) #We do 2 passes per render, so divide slots requirement in half
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grp_name = 'Living Hinge'
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grp_attribs = {inkex.addNS('label','inkscape'):grp_name }
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grp = etree.SubElement(parent, 'g', grp_attribs)#the group to put everything in
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centerX = Sx + (width/2)
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centerY = Sy + (height/2)
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for n in range(0,horizontalSlots):
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newX = (((space/2) + (space*n)) * reverse)
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draw_SVG_line((centerX - newX), centerY + (space/2) + (space * n), (centerX - newX ), centerY - (space * 1.5) - (space * n), grp)
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if horizontalSlots - 1 != n: #Last line in center should be omited
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draw_SVG_line((centerX - (space + (space/2 * -reverse)) - (space*n) ), centerY - (space * 1.5) - (space * n), (centerX + (space + (space/2 * reverse)) + (space*n) ), centerY - (space * 1.5) - (space * n), grp)
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draw_SVG_line((centerX + newX ), centerY - (space/2) - (space * n), (centerX + newX ), centerY + (space * 1.5) + (space * n), grp)
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if horizontalSlots - 1 != n: #Last line in center should be omited
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draw_SVG_line((centerX + (space + (space/2 * -reverse)) + (space*n) ), centerY + (space * 1.5) + (space * n), (centerX - (space + (space/2 * reverse)) - (space*n) ), centerY + (space * 1.5) + (space * n), grp)
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"""
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The snake based designs are built from multiple calls of this function.
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Sx, Sy : Start X, Y (pixels, not user units)
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Ex, Ey : End X, Y (pixels, not user units)
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rotate : False means the traditional flexable design (cuts are prependuclar to long sides). True rotates 90 degrees.
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mirror : mirror inverts the left and right slots, used for inverting during double design
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space : gap between adjecent slots, in user specified units (IE: wood between two rows of slots, X if rotate is false, Y if true)
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solidGap : gap between slot and edge, in user specified units (IE: how much wood is left between cut and edge, Y if rotate is false, X if true)
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"""
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def livingHinge4(self, Sx, Sy, Ex, Ey, rotate = False, mirror = 0, space = 2, solidGap = 5):
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space = self.svg.unittouu( str(space) + unit )
|
||
|
|
solidGap = self.svg.unittouu( str(solidGap) + unit )
|
||
|
|
Sy += thickness
|
||
|
|
Ey -= thickness
|
||
|
|
|
||
|
|
height = Ey - Sy
|
||
|
|
width = Ex - Sx
|
||
|
|
|
||
|
|
if not rotate:
|
||
|
|
horizontalSlots = int(round(width / space))
|
||
|
|
space = width / horizontalSlots
|
||
|
|
skew = 1 #Paint extra lines at the start and end because in this direction there are no existing lines already
|
||
|
|
else:
|
||
|
|
horizontalSlots = int(round(height / space))
|
||
|
|
if not horizontalSlots%2: horizontalSlots-=1 #make sure we always end on the same side, otherwise we'll cut off the last tooh
|
||
|
|
space = height / horizontalSlots
|
||
|
|
skew = 0 #Don't paint the first and last lines, as they're on the cut already, and double cuts on a laser are messy
|
||
|
|
|
||
|
|
grp_name = 'Living Hinge'
|
||
|
|
grp_attribs = {inkex.addNS('label','inkscape'):grp_name }
|
||
|
|
grp = etree.SubElement(parent, 'g', grp_attribs)#the group to put everything in
|
||
|
|
|
||
|
|
for n in range(1 - skew,horizontalSlots + skew):
|
||
|
|
if not rotate:
|
||
|
|
if (n+mirror)%2:
|
||
|
|
draw_SVG_line(Sx + (space * n), Sy + solidGap, Sx + (space * n), Ey, grp)
|
||
|
|
else:
|
||
|
|
draw_SVG_line(Sx + (space * n), Sy, Sx + (space * n), Ey - solidGap, grp)
|
||
|
|
else:
|
||
|
|
if (n+mirror)%2:
|
||
|
|
draw_SVG_line(Sx + solidGap, Sy + (space * n), Ex, Sy + (space * n), grp)
|
||
|
|
else:
|
||
|
|
draw_SVG_line(Sx, Sy + (space * n), Ex - solidGap, Sy + (space * n), grp)
|
||
|
|
if rotate and not mirror:
|
||
|
|
draw_SVG_line(Sx, Sy, Sx, Ey - space, grp)
|
||
|
|
draw_SVG_line(Ex, Sy + space, Ex, Ey, grp)
|
||
|
|
elif mirror:
|
||
|
|
draw_SVG_line(Sx, Sy + space, Sx, Ey, grp)
|
||
|
|
draw_SVG_line(Ex, Sy, Ex, Ey - space, grp)
|
||
|
|
|
||
|
|
def effect(self):
|
||
|
|
global parent,nomTab,equalTabs,thickness,correction, Z, unit
|
||
|
|
|
||
|
|
# Get access to main SVG document element and get its dimensions.
|
||
|
|
svg = self.document.getroot()
|
||
|
|
|
||
|
|
# Get the attibutes:
|
||
|
|
widthDoc = self.svg.unittouu(svg.get('width'))
|
||
|
|
heightDoc = self.svg.unittouu(svg.get('height'))
|
||
|
|
|
||
|
|
# Create a new layer.
|
||
|
|
layer = etree.SubElement(svg, 'g')
|
||
|
|
layer.set(inkex.addNS('label', 'inkscape'), 'newlayer')
|
||
|
|
layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
|
||
|
|
|
||
|
|
parent=self.svg.get_current_layer()
|
||
|
|
|
||
|
|
# Get script's option values.
|
||
|
|
unit=self.options.unit
|
||
|
|
inside=self.options.inside
|
||
|
|
X = self.svg.unittouu( str(self.options.length) + unit )
|
||
|
|
Y = self.svg.unittouu( str(self.options.width) + unit )
|
||
|
|
Z = self.svg.unittouu( str(self.options.height) + unit )
|
||
|
|
thickness = self.svg.unittouu( str(self.options.thickness) + unit )
|
||
|
|
nomTab = self.svg.unittouu( str(self.options.tab) + unit )
|
||
|
|
equalTabs=self.options.equal
|
||
|
|
kerf = self.svg.unittouu( str(self.options.kerf) + unit )
|
||
|
|
clearance = self.svg.unittouu( str(self.options.clearance) + unit )
|
||
|
|
layout=self.options.style
|
||
|
|
spacing = self.svg.unittouu( str(self.options.spacing) + unit )
|
||
|
|
ring = 1
|
||
|
|
hingeOpt = self.options.hingeOpt
|
||
|
|
hingeThick = self.options.hingeThick
|
||
|
|
thumbTab = self.options.thumbTab
|
||
|
|
|
||
|
|
if inside: # if inside dimension selected correct values to outside dimension
|
||
|
|
X+=thickness*2
|
||
|
|
Y+=thickness*2
|
||
|
|
Z+=thickness*2
|
||
|
|
|
||
|
|
correction=kerf-clearance
|
||
|
|
|
||
|
|
# check input values mainly to avoid python errors
|
||
|
|
# TODO restrict values to *correct* solutions
|
||
|
|
# TODO -- Do what the origial author suggested I do. QUALITY!
|
||
|
|
error=0
|
||
|
|
|
||
|
|
if min(X,Y,Z)==0:
|
||
|
|
inkex.errormsg(_('Error: Dimensions must be non zero'))
|
||
|
|
error=1
|
||
|
|
if max(X,Y,Z)>max(widthDoc,heightDoc)*10: # crude test
|
||
|
|
inkex.errormsg(_('Error: Dimensions Too Large'))
|
||
|
|
error=1
|
||
|
|
if min(X,Y,Z)<3*nomTab:
|
||
|
|
inkex.errormsg(_('Error: Tab size too large'))
|
||
|
|
error=1
|
||
|
|
if nomTab<thickness:
|
||
|
|
inkex.errormsg(_('Error: Tab size too small'))
|
||
|
|
error=1
|
||
|
|
if thickness==0:
|
||
|
|
inkex.errormsg(_('Error: Thickness is zero'))
|
||
|
|
error=1
|
||
|
|
if thickness>min(X,Y,Z)/3: # crude test
|
||
|
|
inkex.errormsg(_('Error: Material too thick'))
|
||
|
|
error=1
|
||
|
|
if correction>min(X,Y,Z)/3: # crude test
|
||
|
|
inkex.errormsg(_('Error: Kerf/Clearence too large'))
|
||
|
|
error=1
|
||
|
|
if spacing>max(X,Y,Z)*10: # crude test
|
||
|
|
inkex.errormsg(_('Error: Spacing too large'))
|
||
|
|
error=1
|
||
|
|
if spacing<kerf: #if spacing is less then kerf, the laser cuts will overlap and blast meaningful material.
|
||
|
|
inkex.errormsg(_('Error: Spacing too small'))
|
||
|
|
error=1
|
||
|
|
|
||
|
|
if error: exit()
|
||
|
|
|
||
|
|
# layout format:(rootx),(rooty),Xlength,Ylength,tabInfo
|
||
|
|
# root= (spacing,X,Y,Z) * values in tuple
|
||
|
|
# tabInfo= <abcd> 0=holes 1=tabs
|
||
|
|
if layout==0: # Diagramatic Layout TRBL
|
||
|
|
pieces=[ #center low row
|
||
|
|
[(2,0,0,1),(3,0,1,1),X,Z,0b1000,-2],
|
||
|
|
#left middle row
|
||
|
|
[(1,0,0,0),(2,0,0,1),Z,Y,0b1111,0],
|
||
|
|
#center middle row
|
||
|
|
[(2,0,0,1),(2,0,0,1),X,Y,0b0000,0],
|
||
|
|
#right middle row
|
||
|
|
[(3,1,0,1),(2,0,0,1),Z+(EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1],
|
||
|
|
#center top row
|
||
|
|
[(2,0,0,1),(1,0,0,0),X,Z,0b0010,-1]]
|
||
|
|
elif layout==1: # Inline(compact) Layout
|
||
|
|
pieces=[#Base
|
||
|
|
[(1,0,0,0),(1,0,0,0),X,Y,0b0000,0],
|
||
|
|
#Front panel
|
||
|
|
[(2,1,0,0),(1,0,0,0),Z,Y,0b1111,0],
|
||
|
|
#Sides with curves
|
||
|
|
[(3,1,0,1),(1,0,0,0),X,Z,0b1000,-2],
|
||
|
|
[(4,2,0,1),(1,0,0,0),X,Z,0b0010,-1],
|
||
|
|
#Long piece w/ hinge
|
||
|
|
[(5,3,0,1),(1,0,0,0),Z+(EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1]
|
||
|
|
]
|
||
|
|
|
||
|
|
for piece in pieces: # generate and draw each piece of the box
|
||
|
|
(xs,xx,xy,xz)=piece[0]
|
||
|
|
(ys,yx,yy,yz)=piece[1]
|
||
|
|
x=xs*spacing+xx*X+xy*Y+xz*Z # root x co-ord for piece
|
||
|
|
y=ys*spacing+yx*X+yy*Y+yz*Z # root y co-ord for piece
|
||
|
|
dx=piece[2]
|
||
|
|
dy=piece[3]
|
||
|
|
tabs=piece[4]
|
||
|
|
a=tabs>>3&1; b=tabs>>2&1; c=tabs>>1&1; d=tabs&1 # extract tab status for each side. It's a nasty packed binary flag format, but I'm not fixing it now.
|
||
|
|
longSide = 0
|
||
|
|
shortSide = 0
|
||
|
|
skew = 0
|
||
|
|
|
||
|
|
if piece[5] == 1:
|
||
|
|
longSide = Z
|
||
|
|
elif piece[5] < 0:
|
||
|
|
shortSide = Z
|
||
|
|
|
||
|
|
# generate and draw the sides of each piece
|
||
|
|
if piece[5] != -1:
|
||
|
|
drawS(side(x,y,d,a,-b,a,-thickness if a else thickness,dx,1,0,a,longSide)) # side a (top)
|
||
|
|
else:
|
||
|
|
drawS(side(x,y,d,a,-b,a,-thickness if a else thickness,dx/2,1,0,a,-1)) # side a (top) when the top participates in a curve
|
||
|
|
|
||
|
|
if piece[5] != -1 and piece[5] != 1:
|
||
|
|
drawS(side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False if piece[5] != -2 else True, False if piece[5] != 1 else True)) # side b (right) except for side with living hinge or curves
|
||
|
|
elif piece[5] == -1:
|
||
|
|
drawS(side(x+dx+skew,y+dy,-b,-c,-b,a,thickness if b else -thickness,dy,0,-1,b,shortSide, True)) # side b (right) when the right side participates in a curve
|
||
|
|
else:
|
||
|
|
#It is a cardnal sin to compare floats, so assume <0.0005 is 0 since the front end only gives you 3 digits of precision
|
||
|
|
if float(0.0005) <= float(self.options.thumbTab):
|
||
|
|
side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False, True, True) #The one call to side that doesn't actually draw. Instead, side draws boxes on its own
|
||
|
|
drawS(box(x+dx+skew,y+thickness,x+dx+skew+self.svg.unittouu( thumbTab + unit ),y+dy-thickness, True))
|
||
|
|
else:
|
||
|
|
drawS(side(x+dx+skew,y,-b,a,-b,-c,thickness if b else -thickness,dy,0,1,b,shortSide, False, True)) #side b (right) on the right side of a living hinge
|
||
|
|
|
||
|
|
|
||
|
|
if piece[5] != -2:
|
||
|
|
drawS(side(x,y+dy,d,-c,-b,-c,thickness if c else -thickness,dx,1,0,c,longSide)) # side c (bottom)
|
||
|
|
else:
|
||
|
|
drawS(side(x,y+dy,d,-c,-b,-c,thickness if c else -thickness,dx/2,1,0,c,-1)) # side c (bottom) when the bottom participates in a curve
|
||
|
|
|
||
|
|
drawS(side(x,y+dy,d,-c,d,a,-thickness if d else thickness,dy,0,-1,d,0)) # side d (left)
|
||
|
|
|
||
|
|
if piece[5] < 0:
|
||
|
|
draw_SVG_ellipse(x+(dx/2), y+(dy/2), (dx/2), (dy/2), [(1.5*math.pi), 0] if piece[5] == -1 else [0, 0.5*math.pi]) #draw the curve
|
||
|
|
|
||
|
|
if piece[5] == 1: #Piece should contain a living hinge
|
||
|
|
if hingeOpt == 0: #Traditional parallel slit
|
||
|
|
self.livingHinge2(x+(Z/2), y, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + (dy), hingeThick)
|
||
|
|
elif hingeOpt == 1: #Single spiral
|
||
|
|
if not inside:
|
||
|
|
self.livingHinge3(x+(Z/2), y+thickness, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + dy - thickness, 1, hingeThick)
|
||
|
|
else:
|
||
|
|
self.livingHinge3(x+(Z/2), y + 2*thickness, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + dy - 2*thickness, 1, hingeThick)
|
||
|
|
|
||
|
|
elif hingeOpt == 2: #Double spiral
|
||
|
|
self.livingHinge3(x+(Z/2), y+thickness, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + (dy/2), 1, hingeThick)
|
||
|
|
self.livingHinge3(x+(Z/2), y+(dy/2), x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + dy - thickness, -1, hingeThick)
|
||
|
|
elif hingeOpt == 3 or hingeOpt == 4: #Both snake-based designs
|
||
|
|
self.livingHinge4(x+(Z/2), y, x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4), y + (dy), False if hingeOpt == 3 else True, 0, hingeThick)
|
||
|
|
elif hingeOpt == 5: #Double snake design
|
||
|
|
self.livingHinge4(x+(Z/2), y, x+(Z/2)+EllipseCircumference(X/2, Z/2)/4, y + (dy/2) + thickness, True, 0, hingeThick) #Add thickness as a cheat so design 4 doesn't have to know if it's a short or long variant
|
||
|
|
self.livingHinge4(x+(Z/2), y + (dy/2) - thickness, (x+(Z/2)+(EllipseCircumference(X/2, Z/2)/4)), y + dy, True, 1, hingeThick)
|
||
|
|
|
||
|
|
# Create effect instance and apply it.
|
||
|
|
LivingHinge().run()
|