Class: RegularPolygon

Inherits:
Polygon show all
Defined in:
lib/rcad.rb

Instance Attribute Summary collapse

Attributes inherited from Polygon

#paths, #points

Instance Method Summary collapse

Methods inherited from Shape

#*, #+, #-, #align, #back, #bbox, #bottom, #center, #cx, #cy, #cz, #extrude, #front, #left, #maxx, #maxy, #maxz, #minx, #miny, #minz, #mirror, #mirror_x, #mirror_y, #mirror_z, #move, #move_x, #move_y, #move_z, #render, #revolve, #right, #rot_x, #rot_y, #rot_z, #rotate, #scale, #scale_x, #scale_y, #scale_z, #top, #transform, #xcenter, #xsize, #ycenter, #ysize, #zcenter, #zsize, #~@

Constructor Details

#initialize(sides, radius) ⇒ RegularPolygon

Returns a new instance of RegularPolygon.



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# File 'lib/rcad.rb', line 416

def initialize(sides, radius)
  @sides = sides
  @radius = radius

  angles = (1..sides).map { |i| i * 2 * Math::PI / sides }
  points = angles.map { |a| to_polar(radius, a) }
  super(points)
end

Instance Attribute Details

#radius ⇒ Object (readonly)

Returns the value of attribute radius.



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# File 'lib/rcad.rb', line 414

def radius
  @radius
end

#sides ⇒ Object (readonly)

Returns the value of attribute sides.



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# File 'lib/rcad.rb', line 414

def sides
  @sides
end