Method: Geometry::Transformation#-

Defined in:
lib/geometry/transformation.rb

#-(other) ⇒ Object 



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# File 'lib/geometry/transformation.rb', line 101

def -(other)
    if other.is_a?(Array) or other.is_a?(Vector)
	if @translation
	    Transformation.new(@translation-other, @rotation, @scale)
	else
	    Transformation.new(other.map {|e| -e}, @rotation, @scale)
	end
    end
end