Class: JennCad::Primitives::Square

Inherits:
Primitive show all
Defined in:
lib/jenncad/primitives/square.rb

Direct Known Subclasses

Cube

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, #fn, #name, #opts, #parent, #parts, #pos, #shape, #sits_on, #transformations, #x, #y

Instance Method Summary collapse

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) ⇒ Square

Returns a new instance of Square.



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# File 'lib/jenncad/primitives/square.rb', line 5

def initialize(args)
  @opts = {
    x: 0,
    y: 0,
    margins: {
      x: 0,
      y: 0,
    },
    center: true,
    center_y: false,
    center_x: false,
  }
  if args.kind_of? Array
    args.each do |a|
      feed_opts(parse_xyz_shortcuts(a))
    end
  else
    feed_opts(parse_xyz_shortcuts(args))
  end
  init(args)

  handle_margins
  set_anchors
  @x = args[:x]
  @y = args[:y]
  @dimensions = [:x, :y]
  @sits_on = :bottom
  @csize = Size.new(x: @opts[:x], y: @opts[:y])
end

Instance Attribute Details

#corners ⇒ Object

Returns the value of attribute corners.



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# File 'lib/jenncad/primitives/square.rb', line 3

def corners
  @corners
end

#sides ⇒ Object

Returns the value of attribute sides.



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# File 'lib/jenncad/primitives/square.rb', line 3

def sides
  @sides
end

Instance Method Details

#centered_axis ⇒ Object 



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# File 'lib/jenncad/primitives/square.rb', line 165

def centered_axis
  return [:x, :y] if @opts[:center]
  a = []
  a << :x if @opts[:center_x]
  a << :y if @opts[:center_y]
  a << :z if @opts[:center_z]
  a
end

#cx ⇒ Object Also known as: center_x 



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# File 'lib/jenncad/primitives/square.rb', line 149

def cx
  nc
  @opts[:center_x] = true
  set_anchors
  self
end

#cy ⇒ Object Also known as: center_y 



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# File 'lib/jenncad/primitives/square.rb', line 157

def cy
  nc
  @opts[:center_y] = true
  set_anchors
  self
end

#inner_anchors(dist, prefix = :inner_, recreate = false) ⇒ Object 



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# File 'lib/jenncad/primitives/square.rb', line 88

def inner_anchors(dist, prefix=:inner_, recreate=false)
  if dist.nil?
    $log.error "Distance of nil passed to inner anchors. Please check the variable name you passed along"
    return self
  end

  @inner_anchor_defs ||= []
  @inner_anchor_defs << { "dist": dist, "prefix": prefix } unless recreate

#      $log.info "dist: #{dist}, prefix: #{prefix}"
  sides = {
    left: {x: dist, y: 0},
    right: {x: -dist, y: 0},
    top: {x: 0, y: -dist},
    bottom: {x: 0, y: dist},
  }
  corners = {
    top_left: {x: dist, y: -dist},
    top_right: {x: -dist, y: -dist},
    bottom_left: {x: dist, y: dist},
    bottom_right: {x: -dist, y: dist},
  }
  new_sides = []
  new_corners = []

  sides.merge(corners).each do |key, vals|
    new_dist = anchor(key).dup
    new_dist[:x] += vals[:x]
    new_dist[:y] += vals[:y]
    name = [prefix, key].join.to_sym
#        $log.info "Set anchor #{name} , new dist #{new_dist}"
    set_anchor name, new_dist
    if sides.include? key
      new_sides << name
    end
    if corners.include? key
      new_corners << name
    end
  end

  sides_name = [prefix, "sides"].join
  corners_name = [prefix, "corners"].join
  all_name = [prefix, "all"].join
  self.class.__send__(:attr_accessor, sides_name.to_sym)
  self.class.__send__(:attr_accessor, corners_name.to_sym)
  self.class.__send__(:attr_accessor, all_name.to_sym)
  self.__send__("#{sides_name}=", new_sides)
  self.__send__("#{corners_name}=", new_corners)
  self.__send__("#{all_name}=", new_corners+new_sides)


  self
end

#not_centered ⇒ Object Also known as: nc 



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

def not_centered
  @opts[:center] = false
  set_anchors
  self
end

#set_anchors ⇒ Object 



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# File 'lib/jenncad/primitives/square.rb', line 41

def set_anchors
  set_anchors_2d
end

#set_anchors_2d ⇒ Object 



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# File 'lib/jenncad/primitives/square.rb', line 45

def set_anchors_2d
  @anchors = {} # this resets anchors
  @corners = [:top_right, :top_left, :bottom_right, :bottom_left]
  @sides = [:left, :right, :top, :bottom]

  if @opts[:center] || @opts[:center_x]
    left = -@opts[:x] / 2.0
    right = @opts[:x] / 2.0
    mid_x = 0
  else
    left = 0
    right =  @opts[:x]
    mid_x = @opts[:x] / 2.0
  end
  if @opts[:center] || @opts[:center_y]
    bottom = -@opts[:y] / 2.0
    top = @opts[:y] / 2.0
    mid_y = 0
  else
    bottom = 0
    top = @opts[:y]
    mid_y = @opts[:y] / 2.0
  end

  set_anchor :left, x: left, y: mid_y
  set_anchor :right, x: right, y: mid_y
  set_anchor :top, x: mid_x, y: top
  set_anchor :bottom, x: mid_x, y: bottom
  set_anchor :top_left, x: left, y: top
  set_anchor :top_right, x: right, y: top
  set_anchor :bottom_left, x: left, y: bottom
  set_anchor :bottom_right, x: right, y: bottom

  # we need to re-do the inner ones, if they were defined
  if @inner_anchor_defs && @inner_anchor_defs.size > 0
    @inner_anchor_defs.each do |anch|
     inner_anchors(anch[:dist], anch[:prefix], true)
    end
  end

  self
end

#size ⇒ Object

used for openscad export



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# File 'lib/jenncad/primitives/square.rb', line 37

def size
  [@x, @y]
end

#to_openscad ⇒ Object 



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# File 'lib/jenncad/primitives/square.rb', line 174

def to_openscad
  self.mh(centered_axis.to_h{|a| [a, -@opts[a]] }.merge(prepend: true)) # center cube
end