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| class Vehicle | |
| attr_reader :color, :status, :wheels, :needs_gas_prob | |
| def initialize(args={}) | |
| @color = args[:color] || "white" | |
| @status = args[:status] || :stopped | |
| @wheels = args[:wheels] || 4 | |
| @needs_gas_prob = args[:needs_gas_prob] || [true, false] | |
| end | |
| def drive | |
| @status = :driving | |
| end | |
| def brake | |
| @status = :stopped | |
| end | |
| def needs_gas? | |
| @needs_gas_prob.sample | |
| end | |
| end | |
| class Car < Vehicle | |
| def initialize(args) | |
| super(args) | |
| end | |
| end | |
| class Bus < Vehicle | |
| attr_reader :passengers | |
| def initialize(args) | |
| @num_seats = args[:num_seats] | |
| @fare = args[:fare] | |
| @passengers=[] | |
| super(args) | |
| end | |
| def drive | |
| return self.brake if stop_requested? | |
| @status = :driving | |
| end | |
| def admit_passenger(passenger,money) | |
| @passengers << passenger if money > @fare | |
| end | |
| def stop_requested? | |
| return [true,false].sample | |
| end | |
| end | |
| class Motorbike < Vehicle | |
| def initialize(args) | |
| super(args) | |
| end | |
| def drive | |
| super | |
| @speed = :fast | |
| end | |
| def weave_through_traffic | |
| @status = :driving_like_a_crazy_person | |
| end | |
| end | |
| # puts "\nTesting Car" | |
| # puts "###########" | |
| # car = Car.new(color: 'red') | |
| # p car.drive | |
| # p car.brake | |
| # p car.needs_gas? | |
| # puts "\nTesting Bus" | |
| # puts "###########" | |
| # bus = Bus.new(color: 'blue', wheels: 4, num_seats: 20, fare: 2) | |
| # p bus.drive | |
| # p bus.admit_passenger(10000, 20) | |
| # p bus.passengers | |
| # p bus.admit_passenger("jil", 1) | |
| # p bus.passengers | |
| # p bus.brake | |
| # p bus.stop_requested? | |
| # p bus.needs_gas? | |
| # puts "\nTesting Motorcycle" | |
| # puts "###########" | |
| # motorbike = Motorbike.new(color: 'purpule') | |
| # p motorbike.drive | |
| # p motorbike.brake | |
| # p motorbike.needs_gas? | |
| # p motorbike.weave_through_traffic |
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