Class: JennCad::RoundCorner

Inherits:
Object
  • Object
show all
Defined in:
lib/jenncad/features/path.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ RoundCorner

Returns a new instance of RoundCorner.



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# File 'lib/jenncad/features/path.rb', line 4

def initialize(args)
  @start_point = args[:start_point]
  @end_point = args[:end_point]
  @a = args[:a]
  @ccw = args[:ccw] || false
  @l = args[:l]
  @od = args[:od]
  @id = args[:id]
  @input_a = args[:input_a] || 0
  @output_a = args[:output_a] || 0
  thing = Marshal.load(args[:thing])

  @thing_dia = thing.d || thing.y
  unless @thing_dia
    $log.error "ERROR: cannot find diameter or y of thing #{thing.inspect}"
    return
  end
  @angle = args[:angle]
  @current_angle = args[:current_angle]
  @direction = args[:direction]
  @to = args[:to]
  @from = args[:from]

  if @a < 0
    @from = case @from
      when :left
        :right
      when :right
        :left
      when :top, :up
        :bottom
      when :down, :bottom
        :up
      else
        # // unimplemented
        @from
    end
  end

end

Instance Attribute Details

#a ⇒ Object

Returns the value of attribute a.



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# File 'lib/jenncad/features/path.rb', line 3

def a
  @a
end

#angle ⇒ Object

Returns the value of attribute angle.



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# File 'lib/jenncad/features/path.rb', line 3

def angle
  @angle
end

#ccw ⇒ Object

Returns the value of attribute ccw.



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# File 'lib/jenncad/features/path.rb', line 3

def ccw
  @ccw
end

#current_angle ⇒ Object

Returns the value of attribute current_angle.



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# File 'lib/jenncad/features/path.rb', line 3

def current_angle
  @current_angle
end

#direction ⇒ Object

Returns the value of attribute direction.



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# File 'lib/jenncad/features/path.rb', line 3

def direction
  @direction
end

#end_point ⇒ Object

Returns the value of attribute end_point.



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# File 'lib/jenncad/features/path.rb', line 3

def end_point
  @end_point
end

#from ⇒ Object

Returns the value of attribute from.



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# File 'lib/jenncad/features/path.rb', line 3

def from
  @from
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/jenncad/features/path.rb', line 3

def id
  @id
end

#input_a ⇒ Object

Returns the value of attribute input_a.



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# File 'lib/jenncad/features/path.rb', line 3

def input_a
  @input_a
end

#l ⇒ Object

Returns the value of attribute l.



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# File 'lib/jenncad/features/path.rb', line 3

def l
  @l
end

#od ⇒ Object

Returns the value of attribute od.



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# File 'lib/jenncad/features/path.rb', line 3

def od
  @od
end

#output_a ⇒ Object

Returns the value of attribute output_a.



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# File 'lib/jenncad/features/path.rb', line 3

def output_a
  @output_a
end

#start_point ⇒ Object

Returns the value of attribute start_point.



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# File 'lib/jenncad/features/path.rb', line 3

def start_point
  @start_point
end

#thing ⇒ Object

Returns the value of attribute thing.



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# File 'lib/jenncad/features/path.rb', line 3

def thing
  @thing
end

Instance Method Details

#margin ⇒ Object 



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# File 'lib/jenncad/features/path.rb', line 61

def margin
  return @od
end

#normalize(angle) ⇒ Object 



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# File 'lib/jenncad/features/path.rb', line 51

def normalize(angle)
  if angle < 0
    angle += 360
  end
  if angle >= 360
    angle -= 360
  end
  angle
end

#part ⇒ Object 



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# File 'lib/jenncad/features/path.rb', line 105

def part
  d = @thing_dia
  len = d * 2 + @id
  x = Math::sin((@a/180.0)*Math::PI)*len
  y = Math::cos((@a/180.0)*Math::PI)*len

  res  = circle(d: len)
  res -= circle(d: @id)
  points = [[0,0]]
  points << [0, len]
  points << [x, y]

  res *= polygon(points:points)

  r, ox, oy, x, y = positions
  res = res.rotate(z: r).move(x: ox, y: oy)
  res = res.auto_extrude#.color("red")

  #res += slot(d: 1.2, y: len/2.0, h: 10).rotate(z: r_midpoint).color("red")
  #res += cylinder(d: 1, h: 10).move(x: x+ox,y: y+oy)

  #res.moveh(x: thing.yield.d, y: -thing.yield.d)
  res.move(x: @start_point[:x], y: @start_point[:y])

  #res += cylinder(d: 1, h: 15).color("red").move(x: @start_point[:x], y: @start_point[:y]).move(z:-1)


  res

end

#positions ⇒ Object 



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# File 'lib/jenncad/features/path.rb', line 65

def positions
  td = @thing_dia
  l = td + @id
  l2 = td / 2.0 + @id / 2.0
  r = 0
  ox = 0
  oy = 0
  cr = 180
  case @from
    when :left
      r = 0
      oy = -l
    when :top, :up
      r = -90
      ox = -l
      cr = 0
    when :right
      r = 180
      oy = l
    when :bottom, :down
      cr = 0
      r = 90
      ox = l
    # TODO: so this doesn't work yet,
    #       need to figure out the maths to translate this
    when 0..360
      r = 180-@from
      cr = @a
  end

  r2 = cr + r + @a   # 180+@a
  x = - l2 * Math::sin((r2/180.0)*Math::PI)
  y = - l2 * Math::cos((r2/180.0)*Math::PI)



  return r, ox/2.0, oy/2.0, x, y

end

#set_angles(cur, total, direction) ⇒ Object 



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# File 'lib/jenncad/features/path.rb', line 45

def set_angles(cur, total, direction)
  @current_angle = cur
  @angle = normalize(total)
  @direction = direction
end