orbits.rb

def position( speed: , time:)
    (speed * time) % 576
end

planets = [
    { name: "A", speed: 24, },
    { name: "B", speed: 15, },
    { name: "C", speed: 9, },
    { name: "D", speed: 6, },
    { name: "E", speed: 4, },
    { name: "F", speed: 3, },
    { name: "G", speed: 2, },
]

(1..576).each do |t|
    line = "t: #{t}\t"
    last_planet_pos = 0
    was_good = 0
    planets.each do |planet|
        line << planet[:name] + "\t"
        this_planet_pos = position( speed: planet[:speed], time: t )
        line << "#{this_planet_pos}"
        jump_dist = 5
        if ( last_planet_pos - jump_dist <= this_planet_pos && this_planet_pos <= last_planet_pos + jump_dist )
            color_code = 33
            line << "\e[#{color_code}m*\e[0m"
            was_good = 1
        end
        line << "\t"
        last_planet_pos = this_planet_pos
    end
    if ( was_good == 1 )
        puts line
    end
end