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Versions: 9
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Stored size: 1.18 KB
Contents
require 'ruby-processing'
# Processings datatype conversion functions make no sense for Ruby as it does
# not have primitive datatypes. Try these instead:
# "to_s" (to String)
# "to_i" (to Integer, thats a Fixnum or Bignum)
# "to_f" (to Float, which would be "double" in Processing, not "float")
# "to_a" (to Array, i.e. from a Range or Hash)
class DatatypeConversion < Processing::App
def setup
# Ruby has no primitive datatypes, everything is an object!
# See:
[1, 2.0, 'a', "B", nil, false].each do |element|
puts
puts "#{element.inspect} ... is a #{element.class.name} object"
end
c = 'A' # String (!) as there is no char datatype in Ruby.
# Single quotes are parsed without substitutions (i.e. "It is #{Time.now}.")
f = c[0].to_f # Sets f = 65.0
# will become "c.ord.to_f" in Ruby 1.9+
i = (f * 1.4).to_i # Sets i to 91
b = (c[0] / 2) # Integer or FixNum as there is no byte in Ruby
background 51
no_stroke
rect f, 0, 40, 66
fill 204
rect i, 67, 40, 66
fill 255
rect b, 134, 40, 66
end
end
DatatypeConversion.new :title => "Datatype Conversion", :width => 200, :height => 200
Version data entries
9 entries across 9 versions & 1 rubygems