Simply require
require 'rubygems' require 'v2d'
And use
v1 = V2D[1.0, 2.0] # or v1 = V2D.new(1.0, 2.0) v2 = V2D[0, 0] v2.x = v1.x + 10 # v2 = V2D[11, 0] v2.y = v1.y + 10 # v2 = V2D[11, 12] (v1 + v2) == V2D[12, 14] (v1 - v2) == V2D[-10, -10] (v1 * 3) == V2D[3, 6] (v2 / 4) == V2D[2.75, 3] V2D[3, 4].abs == 5
spec v2d_spec.rb
Vladimir Parfinenko, write at vladimir[dot]parfinenko[at]gmail[dot]com