Class: JennCad::Primitives::Slot

Inherits:
Primitive show all
Includes:
CircleIsh
Defined in:
lib/jenncad/primitives/slot.rb

Instance Attribute Summary collapse

Attributes inherited from Primitive

#dimensions

Attributes inherited from Thing

#anchors, #angle, #calc_h, #calc_x, #calc_y, #calc_z, #csize, #diameter, #name, #opts, #parent, #parts, #pos, #shape, #sits_on, #transformations, #x, #y

Instance Method Summary collapse

Methods included from CircleIsh

#auto_dn!, #handle_fn, #handle_radius_diameter, #radius, #set_anchors_2d

Methods inherited from Primitive

#feed_opts, #handle_diameter, #handle_margins

Methods inherited from Thing

#anchor, #at, #auto_color, #auto_color!, #auto_extrude, #calculate_center_rotation, #calculated_h, #children_list, #color, #color_or_fallback, #color_parse, #copy_anchor, #copy_anchors, #cut_to, #dbg, #debug?, #find_calculated_h, #fixate, #flip, #flipc, #get_children, #get_contents, #ghost, #has_explicit_color?, #hide, #hl, #inherit_color, #init, #is_2d?, #is_3d?, #mhx, #mhy, #mhz, #mirror, #mix, #miy, #miz, #modify_values, #modify_values!, #move, #movea, #moveai, #moveh, #movei, #multmatrix, #mx, #my, #mz, #on_top_of, #only, #only_color?, #openscad, #openscad_modifier, #option, #parse_xyz_shortcuts, #radians, #referenced_z, #reset, #reset_last_move, #rotate, #rotate_around, #rx, #ry, #rz, #scale, #set_anchor, #set_anchor_from, #set_auto_color, #set_auto_color_for_children, #set_flag, #set_heights_for_auto_extrude, #set_option, #set_parent, #skew, #to_mod, #top_of, #transform, #unset_flag, #z, #z=, #z_margin

Constructor Details

#initialize(args) ⇒ Slot

Returns a new instance of Slot.



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# File 'lib/jenncad/primitives/slot.rb', line 6

def initialize(args)
  if args.kind_of?(Array) && args[0].kind_of?(Hash)
    args = args.first
  end
  if args.kind_of? Array
    m = {}
    if args.last.kind_of? Hash
      m = args.last
    end
    args = [:d, :z].zip(args.flatten).to_h
    args.deep_merge!(m)
  end
  args = parse_xyz_shortcuts(args)
  if args[:z].to_d > 0
    args[:h] = args[:z]
  else
    args[:z] = nil
  end

  @opts = {
    d: 0,
    a: 0,
    r: nil,
    x: 0,
    y: 0,
    z: nil,
    d1: nil,
    d2: nil,
    mode: :auto,
    cz: false,
    az: false,
    margins: {
      r: 0,
      d: 0,
      z: 0,
    },
  }.deep_merge!(args)

  super(opts)

  @d = @opts[:d].to_d
  @a = @opts[:a].to_d
  @h = @opts[:h].to_d
  @z = @h
  @x = @opts[:x].to_d
  @y = @opts[:y].to_d

  @r = @opts[:r] || nil
  if @r
    @d = @r * 2
  end
  @fn = @opts[:fn]
  @len_x = @opts[:x]
  @len_y = @opts[:y]
  tx = @opts[:tx] || @opts[:total_x] || nil
  ty = @opts[:ty] || @opts[:total_y] || nil
  if tx
    @len_x = tx - @d
  end
  if ty
    @len_y = ty - @d
  end
  if @opts[:z] && opts[:z].to_d > 0
    @dimensions = [:x, :y, :z]
  else
    @dimensions = [:x, :y]
  end

  set_anchors
end

Instance Attribute Details

#d ⇒ Object

Returns the value of attribute d.



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# File 'lib/jenncad/primitives/slot.rb', line 4

def d
  @d
end

#fn ⇒ Object

Returns the value of attribute fn.



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# File 'lib/jenncad/primitives/slot.rb', line 4

def fn
  @fn
end

#h ⇒ Object

Returns the value of attribute h.



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# File 'lib/jenncad/primitives/slot.rb', line 4

def h
  @h
end

#len_x ⇒ Object

Returns the value of attribute len_x.



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# File 'lib/jenncad/primitives/slot.rb', line 4

def len_x
  @len_x
end

#len_y ⇒ Object

Returns the value of attribute len_y.



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# File 'lib/jenncad/primitives/slot.rb', line 4

def len_y
  @len_y
end

#r ⇒ Object

Returns the value of attribute r.



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# File 'lib/jenncad/primitives/slot.rb', line 4

def r
  @r
end

Instance Method Details

#cz ⇒ Object 



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# File 'lib/jenncad/primitives/slot.rb', line 77

def cz
  @opts[:cz] = true
  @transformations << Move.new(z: -@z / 2.0)
  set_anchors
  self
end

#end_vector ⇒ Object 



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# File 'lib/jenncad/primitives/slot.rb', line 186

def end_vector
  if @a.to_d == 0.0
    return [@len_x, 0] if @len_x
    return [0, @len_y] if @len_y
  end
  if @len_x
    x = cos(PI*@a/180.0)*@len_x.to_d
    y = sin(PI*@a/180.0)*@len_x.to_d
  else
    x = -1* sin(PI*@a/180.0)*@len_y.to_d
    y = cos(PI*@a/180.0)*@len_y.to_d
  end
  [x,y]
end

#get_mode ⇒ Object 



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# File 'lib/jenncad/primitives/slot.rb', line 127

def get_mode
  if @opts[:d1] && @opts[:d2]
    case @opts[:mode]
    when nil, :auto
      :dia1
    when :cyl
      :cyl
    else
      :dia1
    end
  else
    :default
  end
end

#set_anchors ⇒ Object 



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# File 'lib/jenncad/primitives/slot.rb', line 85

def set_anchors
  @anchors = {} # reset anchors
  rad = radius

  if @x > 0
    set_anchor :left, x: - rad
    set_anchor :right, x: @x + rad
  elsif @x < 0
    set_anchor :left, x: @x - rad
    set_anchor :right, x: rad
  else
    set_anchor :left, x: -rad
    set_anchor :right, x: rad
  end
  if @y > 0
    set_anchor :bottom, y: - rad
    set_anchor :top, y: @y + rad
  elsif @y < 0
    set_anchor :bottom, y: @y - rad
    set_anchor :top, y: rad
  else
    set_anchor :bottom, y: -rad
    set_anchor :top, y: rad
  end

  set_anchor :center1, xy: 0
  set_anchor :center2, x: @x, y: @y

  # TODO: figure out if we also want to have "corners"
  # - possibly move it like a cube
  # - points at 45 ° angles might not be that useful unless you can get the point on the circle at a given angle
  # - inner/outer points could be useful for small $fn values

  if @opts[:cz]
    set_anchor :bottom_face, z: -@z/2.0
    set_anchor :top_face, z: @z/2.0
  else
    set_anchor :bottom_face, z: 0
    set_anchor :top_face, z: @z
  end
end

#to_openscad ⇒ Object 



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# File 'lib/jenncad/primitives/slot.rb', line 142

def to_openscad
  mode = get_mode

  opts = @opts.clone
  opts.delete(:color)

  case mode
  when :default
    c1 = ci(opts)
    c2 = ci(opts)
  when :dia1 # new default mode; d1 start dia, d2 end dia
    c1 = ci(opts.merge(d: @opts[:d1]))
    c2 = ci(opts.merge(d: @opts[:d2]))
  when :cyl # old mode; use cylinders
    c1 = cy(opts)
    c2 = cy(opts)
  end

  if @len_x
    c2.move(x:@len_x)
  end
  if @len_y
    c2.move(y:@len_y)
  end
  res = c1 & c2
  if mode != :cyl && @z.to_d > 0
    res = res.e(@z)
  elsif @opts[:az] == true
    # TODO: this needs testing, may not work
    res = res.auto_extrude
  end
  res.inherit_color(self)

  if @a != 0.0
    res = res.rotate(z:@a)
  end
  if @transformations && @transformations.size > 0
    res = UnionObject.new([res])
    res.transformations = @transformations
    return res
  end
  res
end