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alien_invasion.rb
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alien_invasion.rb
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###
# to run use:
# ruby ./alien_invasion.rb
require 'cryptopunks'
punks = Punks::Image.read( './punks.png' )
ids = [635, 2890, 3100, 3443, 5822, 5905, 6089, 7523, 7804]
ids.each do |id|
name = '%04d' % id
punks[id].save( "./i/punk-#{name}.png" )
end
require 'pixelart'
punk = Pixelart::Image.read( './i/punk-3100.png' )
pp punk.pixels.count # total pixels - 24×24
pp punk.pixels.uniq.count # total colors - unique colored pixels
pp punk.pixels.uniq
punk.pixels.uniq.each_with_index do |color, i|
hex = Pixelart::Color.to_hex( color ) # rgba in hex (string format)
hsl = Pixelart::Color.to_hsl( color )
print "[#{i}] "
print hex
print " "
print hsl.inspect
print "\n"
end
ids = [635, 2890, 3100, 3443, 5822, 5905, 6089, 7523, 7804]
ids.each do |id|
name = '%04d' % id
punk = Pixelart::Image.read( "./i/punk-#{name}.png" )
[180, 150, 120, 90, 60, 30, 0, 330, 300].each do |hue|
saturation = 0.13
lightness = -0.30
color_map = {
'#c8fbfbff' => [hue, 0.86+saturation, 0.88+lightness],
'#75bdbdff' => [hue, 0.35+saturation, 0.60+lightness],
'#9be0e0ff' => [hue, 0.52+saturation, 0.74+lightness],
}
new_punk = punk.change_colors( color_map )
new_punk.save( "./i/punk-#{name}_#{hue}.png")
new_punk.zoom(3).save( "./i/punk-#{name}_#{hue}x3.png")
end
end