Class: Laser::Cutter::Box

Inherits:
Object
  • Object
show all
Defined in:
lib/laser-cutter/box.rb

Overview

Note: this class badly needs refactoring and tests. Both are coming.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ Box

Returns a new instance of Box.



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# File 'lib/laser-cutter/box.rb', line 15

def initialize(config = {})
  self.dim = Geometry::Dimensions.new(config['width'], config['height'], config['depth'])
  self.thickness = config['thickness']

  self.notch_width = config['notch'] || (1.0 * self.longest / 5.0)
  self.kerf = config['kerf'] || 0.0
  self.padding = config['padding']
  self.units = config['units']
  self.inside_box = config['inside_box']

  self.notches = []

  self.metadata = Geometry::Point[config['metadata_width'] || 0, config['metadata_height'] || 0]

  create_faces! # generates dimensions for each side
  self.faces =     [top, front, bottom, back, left, right]

  self.conf   = {
      valign: [    :out, :out,  :out,   :out, :in, :in],
      halign: [    :in,  :out,  :in,    :out, :in, :in],
      corners: {
          front: [ :no,  :yes,  :no,    :yes, :no, :no], # our default choice, but may not work
          top:   [ :yes, :no,   :yes,   :no,  :no, :no]  # 2nd choice, has to work if 1st doesn't
      },
  }
  self
end

Instance Attribute Details

#back ⇒ Object

Returns the value of attribute back.



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# File 'lib/laser-cutter/box.rb', line 11

def back
  @back
end

#bottom ⇒ Object

Returns the value of attribute bottom.



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# File 'lib/laser-cutter/box.rb', line 11

def bottom
  @bottom
end

#bounds ⇒ Object

Returns the value of attribute bounds.



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# File 'lib/laser-cutter/box.rb', line 12

def bounds
  @bounds
end

#conf ⇒ Object

Returns the value of attribute conf.



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# File 'lib/laser-cutter/box.rb', line 12

def conf
  @conf
end

#corner_face ⇒ Object

Returns the value of attribute corner_face.



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# File 'lib/laser-cutter/box.rb', line 12

def corner_face
  @corner_face
end

#dim ⇒ Object

Everything is in millimeters



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# File 'lib/laser-cutter/box.rb', line 8

def dim
  @dim
end

#faces ⇒ Object

Returns the value of attribute faces.



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# File 'lib/laser-cutter/box.rb', line 12

def faces
  @faces
end

#front ⇒ Object

Returns the value of attribute front.



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# File 'lib/laser-cutter/box.rb', line 11

def front
  @front
end

#inside_box ⇒ Object

Returns the value of attribute inside_box.



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# File 'lib/laser-cutter/box.rb', line 9

def inside_box
  @inside_box
end

#kerf ⇒ Object

Everything is in millimeters



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# File 'lib/laser-cutter/box.rb', line 8

def kerf
  @kerf
end

#left ⇒ Object

Returns the value of attribute left.



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# File 'lib/laser-cutter/box.rb', line 11

def left
  @left
end

#metadata ⇒ Object

Returns the value of attribute metadata.



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# File 'lib/laser-cutter/box.rb', line 13

def metadata
  @metadata
end

#notch_width ⇒ Object

Everything is in millimeters



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# File 'lib/laser-cutter/box.rb', line 8

def notch_width
  @notch_width
end

#notches ⇒ Object

Returns the value of attribute notches.



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# File 'lib/laser-cutter/box.rb', line 13

def notches
  @notches
end

#padding ⇒ Object

Returns the value of attribute padding.



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# File 'lib/laser-cutter/box.rb', line 9

def padding
  @padding
end

#right ⇒ Object

Returns the value of attribute right.



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# File 'lib/laser-cutter/box.rb', line 11

def right
  @right
end

#thickness ⇒ Object

Everything is in millimeters



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# File 'lib/laser-cutter/box.rb', line 8

def thickness
  @thickness
end

#top ⇒ Object

Returns the value of attribute top.



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# File 'lib/laser-cutter/box.rb', line 11

def top
  @top
end

#units ⇒ Object

Returns the value of attribute units.



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# File 'lib/laser-cutter/box.rb', line 9

def units
  @units
end

Instance Method Details

#d ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 95

def d; dim.d; end

#enclosure ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 43

def enclosure
  generate_notches if self.notches.empty?
  p1 = notches.first.p1.to_a
  p2 = notches.first.p2.to_a

  notches.each do |notch|
    n = notch.normalized
    n.p1.to_a.each_with_index {|c, i| p1[i] = c if c < p1[i] }
    n.p2.to_a.each_with_index {|c, i| p2[i] = c if c > p2[i] }
  end

  Geometry::Rect[Geometry::Point.new(p1), Geometry::Point.new(p2)]
end

#generate_notches ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 57

def generate_notches
  position_faces!
  corner_face = pick_corners_face
  self.notches = []
  faces.each_with_index do |face, face_index|
    bound = face_bounding_rect(face)
    side_lines = []
    edges = []
    bound.sides.each_with_index do |bounding_side, side_index |
      include_corners = (self.conf[:corners][corner_face][face_index] == :yes && side_index.odd?)
      key = side_index.odd? ? :valign : :halign
      center_out = (self.conf[key][face_index] == :out)
      edges << Notching::Edge.new(bounding_side, face.sides[side_index],
                      {:notch_width => notch_width,
                       :thickness => thickness,
                       :kerf => kerf,
                       :center_out => center_out,
                       :corners => include_corners
                      })
    end

    if edges.any?{|e| e.corners} && !edges.all?{|e| e.first_notch_out? }
      edges.each {|e| e.adjust_corners = true }
    end

    edges.each do |edge|
      side_lines << Notching::PathGenerator.new(edge).generate
    end

    aggregator = Aggregator.new(side_lines.flatten)
    aggregator.dedup!.deoverlap!.dedup!
    self.notches << aggregator.lines
  end
  self.notches.flatten!
end

#h ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 94

def h; dim.h; end

#longest ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 97

def longest
  [w, h, d].max()
end

#to_s ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 101

def to_s
  "Box:\nH:#{dim.h} W:#{dim.w} D:#{dim.d}\nThickness:#{thickness}, Notch:#{notch_width}"
end

#w ⇒ Object 



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# File 'lib/laser-cutter/box.rb', line 93

def w; dim.w; end