# frozen_string_literal: true

module Danica
  class Expression::Spatial < Expression.build(:time, :acceleration, :initial_space, :initial_velocity) { addition(parcels) }
    private

    def parcels
      [
        initial_space,
        spatial_velocity,
        spatial_acceleration
      ]
    end

    def spatial_velocity
      multiplication(initial_velocity, time)
    end

    def spatial_acceleration
      division(multiplication(acceleration, time_squared), 2)
    end

    def time_squared
      power(time, 2)
    end
  end
end