ruby-processingでProcessing->Examples->Basic->Controlの写経

　写経してみたｗ；

case :LogicalOperators
when :LogicalOperators
  def setup
    size 200,200
    background 126
    
    op = false
    
    5.step(195,5){|i|
      stroke 0
      
      if 35<i and i<100
        line 5,i,95,i
        op = false
      end
      
      stroke 76
      if i<=35 or 100<=i
        line 105,i,195,i
        op = true
      end
      
      if op
        stroke 0
        point width/2,i
      end
      
      unless op
        stroke 255
        point width/4,i
      end
      
    }
    
  end
  
  def draw
  end
when :none
  def setup
    size 200,200
    background 102
    
  end
  
  def draw
  end
when :Iteratin
  def setup
    xpos1 = 100
    xpos2 = 118
    count = 0
    timey = 0
    num = 12
    
    size 200,200
    background 102
    no_stroke
    
    fill 255
    k=60
    0.step(num/3-1){|i|
      rect 25,k,255,5
      k+=10
    }
    
    fill 51
    k = 40
    0.step(num-1){|i|
      rect 105,k,30,5
      k+=10
    }
    
    k = 15
    0.step(num-1){|i|
      rect 125,k,30,5
      k+=10
    }
    
    k = 42
    fill 0
    0.step(num-2){|i|
      rect 36,k,20,1
      k+=10
    }
  end
  
  def draw
  end
when :EmbeddedIteration
  def setup
    box_size = 11
    box_space = 12
    margine = 7
    
    size 200,200
    background 0
    no_stroke
    
    margine.step(height-margine,box_space){|i|
      if box_size > 0
        margine.step(width-margine,box_space){|j|
          fill 255-box_size*10
          rect j,i,box_size,box_size
        }
        box_size -= 0.6
      end
    }
  end
  
  def draw
  end
when :Conditionals2
  def setup
    size 200,200
    background 0
    2.step(width-1,2){|i|
      case 
      when (i%20).zero?
        stroke 255
        line i,40,i,height/2
      when (i%10).zero?
        stroke 153
        line i,20,i,180
      else
        stroke 102
        line i,height/2,i,height-40
      end
    }
  end
  
  def draw
  end
when :Conditionals1
  def setup
    size 200,200
    background 0
    10.step(width-1, 10){|i| #range pixels is (0...200)
      if (i%20).zero?
        stroke 153
        line i,40,i,height/2
      else
        stroke 102
        line i,20,i,180
      end
    }
  end

  def draw
  end
end

　JavaのforをRubyで記述する場合は、stepが便利ですね＾＾
Rubyの反復処理は、eachやmapに浸っていたから、stepが一寸新鮮ですｗ；