529 lines
25 KiB
Python
529 lines
25 KiB
Python
#! /usr/bin/env python
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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 sys,inkex,simplestyle,gettext,math
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_ = gettext.gettext
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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':simplestyle.formatStyle(style),inkex.addNS('label','inkscape'):name,'d':XYstring}
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inkex.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':simplestyle.formatStyle(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 = inkex.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' : simplestyle.formatStyle(style),
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'd' : 'M '+str(x1)+','+str(y1)+' L '+str(x2)+','+str(y2)}
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line = inkex.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+((inkex.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.OptionParser.add_option('--unit',action='store',type='string',
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dest='unit',default='mm',help='Measure Units')
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self.OptionParser.add_option('--inside',action='store',type='int',
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dest='inside',default=0,help='Int/Ext Dimension')
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self.OptionParser.add_option('--length',action='store',type='float',
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dest='length',default=100,help='Length of Box')
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self.OptionParser.add_option('--width',action='store',type='float',
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dest='width',default=100,help='Width of Box')
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self.OptionParser.add_option('--depth',action='store',type='float',
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dest='height',default=100,help='Height of Box')
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self.OptionParser.add_option('--tab',action='store',type='float',
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dest='tab',default=25,help='Nominal Tab Width')
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self.OptionParser.add_option('--equal',action='store',type='int',
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dest='equal',default=0,help='Equal/Prop Tabs')
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self.OptionParser.add_option('--thickness',action='store',type='float',
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dest='thickness',default=10,help='Thickness of Material')
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self.OptionParser.add_option('--kerf',action='store',type='float',
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dest='kerf',default=0.5,help='Kerf (width) of cut')
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self.OptionParser.add_option('--clearance',action='store',type='float',
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dest='clearance',default=0.01,help='Clearance of joints')
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self.OptionParser.add_option('--style',action='store',type='int',
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dest='style',default=25,help='Layout/Style')
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self.OptionParser.add_option('--spacing',action='store',type='float',
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dest='spacing',default=25,help='Part Spacing')
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self.OptionParser.add_option('--hingeOpt',action='store',type='int',
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dest='hingeOpt',default=0,help='Hinge type')
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self.OptionParser.add_option('--hingeThick',action='store',type='float',
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dest='hingeThick',default=0,help='Hinge thickness')
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self.OptionParser.add_option('--thumbTab',action='store',type='string',
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dest='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.unittouu( str(space) + unit )
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solidGap = self.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.debug(width)
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horizontalSlots = int(round(width / space))
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# inkex.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.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 = inkex.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.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 = inkex.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.unittouu( str(space) + unit )
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solidGap = self.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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if not rotate:
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horizontalSlots = int(round(width / space))
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space = width / horizontalSlots
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skew = 1 #Paint extra lines at the start and end because in this direction there are no existing lines already
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else:
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horizontalSlots = int(round(height / space))
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if not horizontalSlots%2: horizontalSlots-=1 #make sure we always end on the same side, otherwise we'll cut off the last tooh
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space = height / horizontalSlots
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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
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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 = inkex.etree.SubElement(parent, 'g', grp_attribs)#the group to put everything in
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for n in range(1 - skew,horizontalSlots + skew):
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if not rotate:
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if (n+mirror)%2:
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draw_SVG_line((Sx + (space * n), Sy + solidGap), (Sx + (space * n), Ey), grp)
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else:
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draw_SVG_line((Sx + (space * n), Sy), (Sx + (space * n), Ey - solidGap), grp)
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else:
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if (n+mirror)%2:
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draw_SVG_line((Sx + solidGap, Sy + (space * n)), (Ex, Sy + (space * n)), grp)
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else:
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draw_SVG_line((Sx, Sy + (space * n)), (Ex - solidGap, Sy + (space * n)), grp)
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if rotate and not mirror:
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draw_SVG_line((Sx, Sy), (Sx, Ey - space), grp)
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draw_SVG_line((Ex, Sy + space), (Ex, Ey), grp)
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elif mirror:
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draw_SVG_line((Sx, Sy + space), (Sx, Ey), grp)
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draw_SVG_line((Ex, Sy), (Ex, Ey - space), grp)
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def effect(self):
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global parent,nomTab,equalTabs,thickness,correction, Z, unit
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# Get access to main SVG document element and get its dimensions.
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svg = self.document.getroot()
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# Get the attibutes:
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widthDoc = self.unittouu(svg.get('width'))
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heightDoc = self.unittouu(svg.get('height'))
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# Create a new layer.
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layer = inkex.etree.SubElement(svg, 'g')
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layer.set(inkex.addNS('label', 'inkscape'), 'newlayer')
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layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
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parent=self.current_layer
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# Get script's option values.
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unit=self.options.unit
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inside=self.options.inside
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X = self.unittouu( str(self.options.length) + unit )
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Y = self.unittouu( str(self.options.width) + unit )
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Z = self.unittouu( str(self.options.height) + unit )
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thickness = self.unittouu( str(self.options.thickness) + unit )
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nomTab = self.unittouu( str(self.options.tab) + unit )
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equalTabs=self.options.equal
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kerf = self.unittouu( str(self.options.kerf) + unit )
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clearance = self.unittouu( str(self.options.clearance) + unit )
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layout=self.options.style
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spacing = self.unittouu( str(self.options.spacing) + unit )
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ring = 1
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hingeOpt = self.options.hingeOpt
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hingeThick = self.options.hingeThick
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thumbTab = self.options.thumbTab
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if inside: # if inside dimension selected correct values to outside dimension
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X+=thickness*2
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Y+=thickness*2
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Z+=thickness*2
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correction=kerf-clearance
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# check input values mainly to avoid python errors
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# TODO restrict values to *correct* solutions
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# TODO -- Do what the origial author suggested I do. QUALITY!
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error=0
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if min(X,Y,Z)==0:
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inkex.errormsg(_('Error: Dimensions must be non zero'))
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error=1
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if max(X,Y,Z)>max(widthDoc,heightDoc)*10: # crude test
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inkex.errormsg(_('Error: Dimensions Too Large'))
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error=1
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if min(X,Y,Z)<3*nomTab:
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inkex.errormsg(_('Error: Tab size too large'))
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error=1
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if nomTab<thickness:
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inkex.errormsg(_('Error: Tab size too small'))
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error=1
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if thickness==0:
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inkex.errormsg(_('Error: Thickness is zero'))
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error=1
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if thickness>min(X,Y,Z)/3: # crude test
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inkex.errormsg(_('Error: Material too thick'))
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error=1
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if correction>min(X,Y,Z)/3: # crude test
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inkex.errormsg(_('Error: Kerf/Clearence too large'))
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error=1
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if spacing>max(X,Y,Z)*10: # crude test
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inkex.errormsg(_('Error: Spacing too large'))
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error=1
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if spacing<kerf: #if spacing is less then kerf, the laser cuts will overlap and blast meaningful material.
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inkex.errormsg(_('Error: Spacing too small'))
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error=1
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if error: exit()
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# layout format:(rootx),(rooty),Xlength,Ylength,tabInfo
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# root= (spacing,X,Y,Z) * values in tuple
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# tabInfo= <abcd> 0=holes 1=tabs
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if layout==0: # Diagramatic Layout TRBL
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pieces=[ #center low row
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[(2,0,0,1),(3,0,1,1),X,Z,0b1000,-2],
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#left middle row
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[(1,0,0,0),(2,0,0,1),Z,Y,0b1111,0],
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#center middle row
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[(2,0,0,1),(2,0,0,1),X,Y,0b0000,0],
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#right middle row
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[(3,1,0,1),(2,0,0,1),Z+(EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1],
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#center top row
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[(2,0,0,1),(1,0,0,0),X,Z,0b0010,-1]]
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elif layout==1: # Inline(compact) Layout
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pieces=[#Base
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[(1,0,0,0),(1,0,0,0),X,Y,0b0000,0],
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#Front panel
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[(2,1,0,0),(1,0,0,0),Z,Y,0b1111,0],
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#Sides with curves
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[(3,1,0,1),(1,0,0,0),X,Z,0b1000,-2],
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[(4,2,0,1),(1,0,0,0),X,Z,0b0010,-1],
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#Long piece w/ hinge
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[(5,3,0,1),(1,0,0,0),Z+(EllipseCircumference(X/2, Z/2)/4)+thickness,Y,0b1011,1]
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]
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for piece in pieces: # generate and draw each piece of the box
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(xs,xx,xy,xz)=piece[0]
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(ys,yx,yy,yz)=piece[1]
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x=xs*spacing+xx*X+xy*Y+xz*Z # root x co-ord for piece
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y=ys*spacing+yx*X+yy*Y+yz*Z # root y co-ord for piece
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dx=piece[2]
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dy=piece[3]
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tabs=piece[4]
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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.
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longSide = 0
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shortSide = 0
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skew = 0
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|
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if piece[5] == 1:
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longSide = Z
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elif piece[5] < 0:
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|
shortSide = Z
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|
|
|
# generate and draw the sides of each piece
|
|
if piece[5] != -1:
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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.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*inkex.pi), 0] if piece[5] == -1 else [0, 0.5*inkex.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.
|
|
effect = LivingHinge()
|
|
effect.affect()
|