Module: AstroChart::Zodiac

Defined in:
lib/astro_chart/zodiac.rb

Constant Summary collapse

SIGNS = 
[
  "牡羊座", "金牛座", "雙子座", "巨蟹座",
  "獅子座", "處女座", "天秤座", "天蠍座",
  "射手座", "摩羯座", "水瓶座", "雙魚座"
].freeze
RULERS = 
{
  "牡羊座" => "火星",
  "金牛座" => "金星",
  "雙子座" => "水星",
  "巨蟹座" => "月亮",
  "獅子座" => "太陽",
  "處女座" => "水星",
  "天秤座" => "金星",
  "天蠍座" => "冥王星",
  "射手座" => "木星",
  "摩羯座" => "土星",
  "水瓶座" => "天王星",
  "雙魚座" => "海王星",
}.freeze

Class Method Summary collapse

Class Method Details

.ruler(zodiac) ⇒ Object

Return the ruling planet of a zodiac sign.

Raises:

  • (ArgumentError) 


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# File 'lib/astro_chart/zodiac.rb', line 31

def self.ruler(zodiac)
  r = RULERS[zodiac]
  raise ArgumentError, "無效的星座名稱: #{zodiac}" if r.nil?
  r
end

.sign_name(degree) ⇒ Object

Return zodiac sign name for a given ecliptic longitude.



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# File 'lib/astro_chart/zodiac.rb', line 25

def self.sign_name(degree)
  index = (degree % 360).floor / 30
  SIGNS[index]
end