Method: Punk::Alien.derive_color_map

Defined in:
lib/punkmaker/type/alien.rb

.derive_color_map(color) ⇒ Object 



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# File 'lib/punkmaker/type/alien.rb', line 72

def self.derive_color_map( color )

# 2 pixels #f1ffff / rgb(241 255 255) - hsl(180° 100%  97%)  - lighter
# 125 pixels #c8fbfb / rgb(200 251 251) - hsl(180°  86%  88%)   - base (use as base)
#  6 pixels #9be0e0 / rgb(155 224 224) - hsl(180°  53%  74%)   - darker
#  2 pixels #75bdbd / rgb(117 189 189) - hsl(180°  35%  60%)  - darkest
color = Color.from_hex( color )  if color.is_a?( String )
base = color

hsl  = Color.to_hsl( color )
pp hsl

h, s, l = hsl
h = h % 360   # make always positive (might be -50 or such)
pp [h,s,l]


darker = Color.from_hsl(
  h,
  [0.0,s-0.05].max,
  [0.0,l-0.10].max)

darkest = Color.from_hsl(
  h,
  [0.0,s-0.10].max,
  [0.0,l-0.20].max)


color_map = {
    '#c8fbfb' =>  base,
    '#9be0e0' => darker,
    '#75bdbd' => darkest,
}

color_map
end