module Music::Performance::Interpolation
Public Class Methods
linear(y0, y1, x)
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Linear interpolation Given 2 sample points, interpolates a value anywhere between the two points.
@param [Numeric] y0 First (left) y-value @param [Numeric] y1 Second (right) y-value @param [Numeric] x Percent distance (along the x-axis) between the two y-values
# File lib/music-performance/util/interpolation.rb, line 11 def self.linear y0, y1, x raise ArgumentError, "x is not between 0.0 and 1.0" unless x.between?(0.0,1.0) return y0 + x * (y1 - y0) end