Module: Punk::Zombie

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

Overview

make it a class - why? why not?

Constant Summary collapse

BASE_M = 
Image.read( "#{Pixelart::Module::Punkmaker.root}/config/zombie-male.png" )
BASE_F = 
Image.read( "#{Pixelart::Module::Punkmaker.root}/config/zombie-female.png" )

Class Method Summary collapse

Class Method Details

.derive_color_map(color) ⇒ Object 



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# File 'lib/punkmaker/type/zombie.rb', line 62

def self.derive_color_map( color )
    color = Color.from_hex( color )  if color.is_a?( String )

#    2 pixels #9bbc88 / rgb(155 188 136) - hsl( 98°  28%  64%)  - lighter
#  125 pixels #7da269 / rgb(125 162 105) - hsl( 99°  23%  52%) - base  (use as base)
#    7 pixels #5e7253 / rgb( 94 114  83) - hsl( 99°  16%  39%)  - darker

  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-0.12].max)


  color_map = {
      '#7da269' =>  base,
      '#5e7253' => darker,
  }

  color_map
end

.derive_shine(color) ⇒ Object 



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# File 'lib/punkmaker/type/zombie.rb', line 37

def self.derive_shine( color )
## was before - reuse - why? why not?
## todo/check - check "formula" used in skintones script for humans!!!
##  lighter = Color.from_hsl(
##    (h+1)%360,   # todo/check: make lighter by -1 on hue? or +1????
##   [1.0,s+0.10].min,
##   [1.0,l+0.25].min)

  color = Color.from_hex( color )  if color.is_a?( String )

  hsv  = Color.to_hsv( color )
  # pp hsv

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

  ## add extra saturation if v(alue) / brightness is max 1.0 - why? why not?
  sdiff = v >= 0.99 ? 0.25 : 0.15

  lighter =  Color.from_hsv( h, [0.0, s-sdiff].max, [v+0.1,1.0].min )  
  lighter
end

.make(color = nil, shine: true, gender: 'm') ⇒ Object 



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# File 'lib/punkmaker/type/zombie.rb', line 9

def self.make( color=nil,
                shine: true,
                 gender: 'm'  )
  base =   gender == 'm' ? BASE_M : BASE_F

  ## note: make a copy of base 
  punk = Image.new( base.width, base.height )  
  punk.compose!( base )
  
  if color    
    color_map = derive_color_map( color )  
    punk = punk.change_colors( color_map )
  end

  if shine
    shine_color =    color ? derive_shine( color ) : 0x9bbc88ff
    if gender == 'm'
      punk[9,7] = shine_color
      punk[8,8] = shine_color
    else 
      punk[9,9] = shine_color
    end
   end   

  punk
end