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require 'matrix'
module Geometry
=begin
An object representing the size of something.
Supports all of the familiar {Vector} methods as well as a few convenience
methods (width, height and depth).
== Usage
=== Constructor
size = Geometry::Size[x,y,z]
=end
class Size < Vector
attr_reader :x, :y, :z
# Allow vector-style initialization, but override to support copy-init
# from Vector, Point or another Size
#
# @overload [](x,y,z,...)
# @overload [](Point)
# @overload [](Size)
# @overload [](Vector)
# @return [Size] A new {Size} object
def self.[](*array)
array = array[0].to_a unless array[0].is_a?(Numeric)
super *array
end
# Allow comparison with an Array, otherwise do the normal thing
def ==(other)
return @elements == other if other.is_a?(Array)
super other
end
def inspect
'Size' + @elements.inspect
end
def to_s
'Size' + @elements.to_s
end
# @return [Number] The size along the Z axis
def depth
z
end
# @return [Number] The size along the Y axis
def height
y
end
# @return [Number] The size along the X axis
def width
x
end
# @return [Number] X-component (width)
def x
@elements[0]
end
# @return [Number] Y-component (height)
def y
@elements[1]
end
# @return [Number] Z-component (depth)
def z
@elements[2]
end
end
end
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14 entries across 14 versions & 3 rubygems