Module: CrystalScad::ScrewThreads
- Included in:
- CrystalScad
- Defined in:
- lib/crystalscad/ScrewThreads.rb
Overview
This file is part of CrystalScad.
CrystalScad 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.
CrystalScad 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 CrystalScad. If not, see <http://www.gnu.org/licenses/>.
Defined Under Namespace
Classes: ScrewThread
Instance Method Summary collapse
Instance Method Details
#create_bolts(face, obj1, obj2, args = {}) ⇒ Object
88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 |
# File 'lib/crystalscad/ScrewThreads.rb', line 88 def create_bolts(face,obj1,obj2,args={}) # make a obj1-=obj2 with bolts corresponding to the height of obj1 if face == nil or obj1 == nil or obj2 == nil raise "usage: create_bolts(face,obj1,obj2,args={}) - args can include (obj1.)height and bolt_height" return end # we need to know obj1 height (if not supplied by user) height ||= args[:height] case face.to_s when "top" height ||= obj1.z rescue nil when "bottom" height ||= obj1.z rescue nil when "left" height ||= obj1.x rescue nil when "right" height ||= obj1.x rescue nil when "front" height ||= obj1.y rescue nil when "back" height ||= obj1.y rescue nil end height ||= obj1.height rescue nil if height == nil raise "the object we're substracting from doesn't have a height defined; please define manually" return end # lets check if the obj2 responds to the threads_[face] method meth = "threads_#{face}" unless obj2.respond_to?(meth) raise "The object you're trying to get bolts from doesn't supply any on the face '#{face}'. Please add a method #{meth} to this object" return end holes = obj2.send(meth) return if holes == nil # let the user either define bolt_heights as integer, array or none (will be guessed) if args[:bolt_height].kind_of? Array bolt_heights = args[:bolt_height] if bolt_heights.size != holes.size raise "object has #{holes.size} threads for bolts but you supplied #{bolt_heights.size}" return end else bolt_heights = [] holes.each do |hole| if args[:bolt_height] bolt_heights << args[:bolt_height] else bolt_heights << (height+hole.depth).floor end end end ret = [] holes.each_with_index do |hole,i| bolt = Bolt.new(hole.size,bolt_heights[i],washer:args[:washer]) case face when "top" bolt.transformations << Rotate.new(x:180) bolt.transformations << Translate.new({x:hole.x,y:hole.y,z:hole.z+height}) when "bottom" bolt.transformations << Translate.new({x:hole.x,y:hole.y,z:hole.z}) when "left" bolt.transformations << Rotate.new(y:90) bolt.transformations << Translate.new({x:hole.x,y:hole.y,z:hole.z}) when "right" bolt.transformations << Rotate.new(y:-90) bolt.transformations << Translate.new({x:hole.x+height,y:hole.y,z:hole.z}) when "front" bolt.transformations << Rotate.new(x:-90) bolt.transformations << Translate.new({x:hole.x,y:hole.y,z:hole.z}) when "back" bolt.transformations << Rotate.new(x:90) bolt.transformations << Translate.new({x:hole.x,y:hole.y+height,z:hole.z}) end bolt.transformations += obj2.transformations unless obj2.transformations == nil ret << bolt end ret end |