Class: Sphere

Inherits:
HyperSphere show all
Defined in:
lib/zadt/AbstractDataTypes/Geometrics/sphere.rb

Instance Attribute Summary

Attributes inherited from HyperSphere

#center, #pct_error, #radius

Instance Method Summary collapse

Methods inherited from HyperSphere

#equation, #help, help, #how_far, #inside?, #on?, #outside?

Constructor Details

#initialize(radius = 1, center = [0,0,0], pct_error = 1) ⇒ Sphere

Returns a new instance of Sphere.



5
6
7
 
# File 'lib/zadt/AbstractDataTypes/Geometrics/sphere.rb', line 5

def initialize(radius = 1, center = [0,0,0], pct_error = 1)
  super(radius, center, pct_error)
end

Instance Method Details

#inspect ⇒ Object 



19
20
21
 
# File 'lib/zadt/AbstractDataTypes/Geometrics/sphere.rb', line 19

def inspect
  "Sphere: #{equation}"
end

#surface_area ⇒ Object 



14
15
16
17
 
# File 'lib/zadt/AbstractDataTypes/Geometrics/sphere.rb', line 14

def surface_area
  dim_check(3)
  4.0 * Math::PI * (@radius ** 2)
end

#volume ⇒ Object 



9
10
11
12
 
# File 'lib/zadt/AbstractDataTypes/Geometrics/sphere.rb', line 9

def volume
  dim_check(3)
  Math::PI * (@radius ** 3) * 4.0 / 3.0
end