Sha256: ba3a20d4c5c5476715a91ca9a8274c2e9bcaba0c2f3e3df5916f9e829d51ec08
Contents?: true
Size: 613 Bytes
Versions: 8
Compression:
Stored size: 613 Bytes
Contents
############################
# Simple lsystem grammar
############################
class Grammar
attr_reader :axiom, :rules
def initialize(axiom, rules)
@axiom = axiom
@rules = rules
end
def expand(production, iterations, &block)
production.each_char do |token|
if rules.key?(token) && iterations > 0
expand(rules[token], iterations - 1, &block)
else
yield token
end
end
end
def each(gen)
expand(axiom, gen) { |token| yield token }
end
def generate(gen)
output = []
each(gen) { |token| output << token }
return output
end
end
Version data entries
8 entries across 8 versions & 2 rubygems