How do I use loops?

Question

I am programming a little game with Ruby/Shoes. I am trying to get this code into a loop. It should repeat after the last timer. I don't know how to start with this.

@timer2= timer(20)do
  @pic.move(100,170)
end

@timer2= timer(40) do
  @pic.move(350,120)
end

@timer2= timer(60) do
  @pic.move(20,400)
end

@timer2= timer(80) do
  @pic.move(420,60)
end

Hi, it would be great if you add some `timer()` code that explains this part of your design — Yurii Verbytskyi, Jan 27 '19 at 11:22
Your question is unclear. What does this have to do with Rails? Is this code part of a webservice? A model? A controller? A view? A helper? — Jörg W Mittag, Jan 27 '19 at 11:50

score 0 · Answer 1 · answered Jan 27 '19 at 11:17

Just loop your code:

loop {
  @timer2 = timer(20) do
    @pic.move(100, 170)
  end

  @timer2 = timer(40) do
    @pic.move(350, 120)
  end

  @timer2 = timer(60) do
    @pic.move(20, 400)
  end

  @timer2 = timer(80) do
    @pic.move(420, 60)
  end
}

Use break if you need to exit the loop.

Yurii Verbytskyi · Answer 2 · 2019-01-27T16:55:04.293

0

Simple example to try timer in loops

class Picture
  def initialize
    @last_move = {}
  end

  def move(x, y)
    @last_move = { x: x, y: y }
    puts @last_move
  end

  def self.test_movement
    @pic = new
    pic_moves = [
      { t: 2, x: 100, y: 170 },
      { t: 4, x: 350, y: 120 },
      { t: 6, x: 20, y: 400 },
      { t: 3, x: 420, y: 60 }
    ]
    pic_moves.each do |pm|
      sleep(pm[:t])
      puts(pm[:t])
      @pic.move(pm[:x], pm[:y])
    end
  end
end

Picture.test_movement

edited Jan 27 '19 at 16:55

answered Jan 27 '19 at 11:40

Yurii Verbytskyi

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Can you explain the first part? What does pm, o and t stand for? – Je K Jan 27 '19 at 13:05
I just declared Proc. https://stackoverflow.com/a/8538513/4453714 – Yurii Verbytskyi Jan 27 '19 at 14:05
Ok, I ll add explanation to answer, but add some info about timer - what should it do? wait for executing next code in seconds? – Yurii Verbytskyi Jan 27 '19 at 14:33
Yes it should just wait.. – Je K Jan 27 '19 at 15:05
Check please updated example, I don't advice to use exactly this one, but it should work, i suggest – Yurii Verbytskyi Jan 27 '19 at 15:21
I will try it thank you! – Je K Jan 27 '19 at 15:24
to try first timer example(with puts) you can do something like `[1, 3, 4].each { |s| timer.call(s) }` – Yurii Verbytskyi Jan 27 '19 at 15:29
You know, I just made example for you overcomplicated. Now I ve try to do simle file that work and maybe do what you need. so I ll update all answer – Yurii Verbytskyi Jan 27 '19 at 16:52

How do I use loops?

2 Answers2