Sha256: add87d065eb19c6ab1f9a5ea148b5d72734380dc80c05422b554bb84367ff04d
Contents?: true
Size: 814 Bytes
Versions: 3
Compression:
Stored size: 814 Bytes
Contents
# The Fern Fractal # by Luis Correia def setup size 500, 500 no_loop puts "Be patient. This takes about 10 seconds to render." end def draw background 0 load_pixels x0, y0 = 0.0, 0.0 x, y, r = 0.0, 0.0, 0.0 i, j = 0, 0 max_iterations = 200000 max_iterations.times do r = rand(100.0) if r <= 1 x = 0.0 y = 0.16 * y0 elsif r <= 7 x = 0.2 * x0 - 0.26 * y0 y = 0.23 * x0 + 0.22 * y0 elsif r <= 14 x = -0.15 * x0 + 0.28 * y0 y = 0.26 * x0 + 0.24 * y0 else x = 0.85 * x0 + 0.04 * y0 y = -0.004 * x0 + 0.85 * y0 + 1.6 end i = height - (y * 45).to_i j = width / 2 + (x * 45).to_i pixels[i * height + j] += 2560 if (i >=0 && i < height && j >= 0 && j < width) x0, y0 = x, y end update_pixels end
Version data entries
3 entries across 3 versions & 1 rubygems
Version | Path |
---|---|
ruby-processing-2.4.3 | samples/contributed/fern.rb |
ruby-processing-2.4.2 | samples/contributed/fern.rb |
ruby-processing-2.4.1 | samples/contributed/fern.rb |