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# File 'lib/orbiter.rb', line 7
def self.run(attrs = {})
@bodies = attrs.fetch(:bodies, [Orbiter::Free_body.new(mass: 10, x: 100, y: 100, vel_x: -5, vel_y: -1),
Orbiter::Free_body.new(mass:1000)])
@output = attrs[:output] ? File.open(attrs[:output], 'w') : $stdout
100.times do
@bodies.each do |body|
Orbiter::Orbit_updater.calc_grav_acc(body, @bodies)
Orbiter::Orbit_updater.update_position(body)
Orbiter::Orbit_updater.calc_grav_acc(body, @bodies)
Orbiter::Orbit_updater.update_velocity(body)
end
Orbiter::Orbit_updater.track(@output, @bodies)
end
@output.close
puts "Thanks for running!"
end
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