Class: Terraformer::Circle

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/terraformer/circle.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(c, r, res = DEFAULT_BUFFER_RESOLUTION) ⇒ Circle

Returns a new instance of Circle.



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# File 'lib/terraformer/circle.rb', line 9

def initialize c, r, res = DEFAULT_BUFFER_RESOLUTION
  self.center = c
  self.radius = r
  self.resolution = res
  recalculate
end

Instance Attribute Details

#center ⇒ Object

Returns the value of attribute center.



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# File 'lib/terraformer/circle.rb', line 6

def center
  @center
end

#polygon ⇒ Object

Returns the value of attribute polygon.



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# File 'lib/terraformer/circle.rb', line 5

def polygon
  @polygon
end

#radius ⇒ Object

Returns the value of attribute radius.



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# File 'lib/terraformer/circle.rb', line 6

def radius
  @radius
end

#resolution ⇒ Object

Returns the value of attribute resolution.



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# File 'lib/terraformer/circle.rb', line 6

def resolution
  @resolution
end

Instance Method Details

#dirty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/terraformer/circle.rb', line 45

def dirty?
  @dirty
end

#recalculate ⇒ Object 



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# File 'lib/terraformer/circle.rb', line 16

def recalculate
  @polygon = @center.buffer @radius, @resolution
  @dirty = false
  self
end