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ruby_manor_4.rb
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ruby_manor_4.rb
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# Ruby Manor 4
class RubyManor4 < Processing::App
load_library :video
# We need the video classes to be included here.
include_package "processing.video"
attr_accessor :capture, :sample_rate
def setup
frame_rate 12
smooth
size(800, 600)
no_stroke
text_font load_font("Univers66.vlw.gz")
@sample_rate = 10
# You can get a list of cameras
# by doing Capture.list
#
#
# or you can use your default
# webcam by leaving it out of
# the parameters ..
#
# camera = "Sony Eye Toy (2)"
# @capture = Capture.new(self, width, height, camera, 30)
@capture = Capture.new(self, width, height, 30)
@tweets = File.readlines("tweets.txt").join(" ")
@tweet_chars = @tweets.unpack("A1" * @tweets.length)
end
def draw
capture.read if capture.available
convert_pixels
end
def clear
background 255
no_stroke
ellipse_mode(CORNER)
end
def convert_pixels
clear
tweet_char = 0
(1...height).step(sample_rate) do |y|
(1...width).step(sample_rate) do |x|
pixel = y * capture.width + x
r = red(capture.pixels[pixel])
g = green(capture.pixels[pixel])
b = blue(capture.pixels[pixel])
# e_width = map(saturation(capture.pixels[pixel]), 0, 255, 0, 20)
# e_width = map(brightness(capture.pixels[pixel]), 0, 255, 0, 20)
e_width = map(red(capture.pixels[pixel]), 0, 255, 10, 30)
fill(r, g, b, 255)
if tweet_char >= @tweet_chars.length
tweet_char = 0
end
# ellipse(x, y, e_width, e_width)
textSize(e_width)
text(@tweet_chars[tweet_char], x, y)
tweet_char += 1
end
end
#capture.update_pixels
end
end
RubyManor4.new :title => "Ruby Manor 4"