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Voronoi diagram: Difference between revisions
→{{header|Ruby}}
m (→{{header|Processing Python mode}}: header fix) |
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Line 2,510:
pixmap.save_as_png("voronoi_rb.png")</lang>
{{libheader|RubyGems}}
{{libheader|JRubyArt}}
JRubyArt is a port of processing to ruby
<lang ruby>
# frozen_string_literal: true
attr_reader :colors, :positions
def settings
size 500, 500
end
def setup
sketch_title 'Voronoi Diagram'
load_pixels
color_mode(HSB, 360, 1, 1)
@colors = generate_colors(30)
@positions = generate_positions(30)
draw_voronoi
update_pixels
draw_voronoi_centers
end
def generate_colors(num)
(0..num).map { color(rand(360), 1.0, 1.0) }
end
def generate_positions(num)
(0..num).map { Vec2D.new(rand(width), rand(height)) }
end
def draw_voronoi
grid(width, height) do |x, y|
pos = Vec2D.new(x, y)
closest = positions.min_by { |posn| posn.dist(pos) }
index = positions.index closest
pixels[x + y * width] = colors[index]
end
end
def draw_voronoi_centers
positions.each do |pos|
no_stroke
fill 0
ellipse(pos.x, pos.y, 4, 4)
end
end
</lang>
=={{header|Run BASIC}}==
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