Sha256: a814acd7b6ab5872226b44d7ec82a400385f5f8d8019a48d4ab6403a8ca0670b
Contents?: true
Size: 1.12 KB
Versions: 9
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Stored size: 1.12 KB
Contents
require 'ruby-processing'
# Iteration in Ruby differs from that in Processing / Java.
# Where you'd mainly use for- and while constructs in the later
# you'd be using iterators with blocks (do-end, {}) in Ruby.
class Iteration < Processing::App
def setup
background 102
no_stroke
xpos1 = 100
xpos2 = 118
count = 0
timey = 0
num = 12
# Draw white bars
fill 255
k = 60
(num/3).times do |i| # Loop using the "times" iterator of a number
rect 25, k, 155, 5
k += 10
end
# Dark grey bars
fill 51
k = 40
0.upto( num-1 ) do |i| # Loop using "upto" of a number
rect 105, k, 30, 5
k += 10
end
k = 15
arr = (0...num).to_a # Create an array with increasing numbers from a Range to
arr.each do |i| # use with the "each" iterator of Array
rect 125, k, 30, 5
k += 10
end
# Thin lines
fill 0
k = 42
(0...num-1).step(1) do |i| # Loop using a Range with its "step" iterator
rect 36, k, 20, 1
k += 10
end
end
end
Iteration.new :title => "Iteration", :width => 200, :height => 200
Version data entries
9 entries across 9 versions & 1 rubygems