Class: PolymorphicShape::Circle

Inherits:

Shape

• Object
• Shape
• PolymorphicShape::Circle

Defined in:

lib/shape/polymorphic_shape/circle.rb

Constant Summary

PI =

3.14

Instance Attribute Summary

• #radius ⇒ Object

  Returns the value of attribute radius.

Instance Method Summary

• #area ⇒ Object
• #initialize(radius) ⇒ Circle constructor

  A new instance of Circle.

Constructor Details

#initialize(radius) ⇒ Circle

Returns a new instance of Circle.

# File 'lib/shape/polymorphic_shape/circle.rb', line 5

def initialize(radius)
  @radius = radius
end

Instance Attribute Details

#radius ⇒ Object

Returns the value of attribute radius.

# File 'lib/shape/polymorphic_shape/circle.rb', line 4

def radius
  @radius
end

Instance Method Details

#area ⇒ Object

# File 'lib/shape/polymorphic_shape/circle.rb', line 9

def area
  (@radius * @radius) * PI
end