Class: Variation::LinearFunction

Inherits:
Object
  • Object
show all
Defined in:
lib/variation/functions/linear_function.rb

Class Method Summary collapse

Class Method Details

.from_points(pt_a, pt_b, abruptness = 0.5) ⇒ Object 



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# File 'lib/variation/functions/linear_function.rb', line 3

def self.from_points pt_a, pt_b, abruptness = 0.5
  slope = (pt_b[1] - pt_a[1]) / (pt_b[0] - pt_a[0]).to_f
  intercept = pt_a[1] - (slope * pt_a[0])

  lambda do |x|
    (slope * x) + intercept
  end
end