class Rubygame::Color::ColorRGB
Represents color in the RGB (Red, Green, Blue) color space.
Attributes
a[R]
b[R]
g[R]
r[R]
Public Class Methods
new( [r,g,b,a] ) → ColorRGB
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new( [r,g,b] ) → ColorRGB
new( color ) → ColorRGB
Create a new instance from an Array or an existing color (of any type). If the alpha (opacity) component is omitted from the array, full opacity will be used.
All color components range from 0.0 to 1.0.
# File lib/rubygame/color/models/rgb.rb, line 42 def initialize( color ) if color.kind_of?(Array) @r, @g, @b, @a = color.collect { |i| i.to_f } @a = 1.0 unless @a elsif color.respond_to?(:to_rgba_ary) @r, @g, @b, @a = color.to_rgba_ary end end
new_from_rgba( rgba )
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# File lib/rubygame/color/models/rgb.rb, line 67 def new_from_rgba( rgba ) new( rgba ) end
new_from_sdl_rgba( rgba )
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# File lib/rubygame/color/models/rgb.rb, line 71 def new_from_sdl_rgba( rgba ) new_from_rgba( rgba.collect { |i| i / 255.0 } ) end
Public Instance Methods
to_rgba_ary()
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# File lib/rubygame/color/models/rgb.rb, line 57 def to_rgba_ary return [@r, @g, @b, @a] end
to_s()
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# File lib/rubygame/color/models/rgb.rb, line 61 def to_s "#<#{self.class} [#{@r}, #{@g}, #{@b}, #{@a}]>" end
Also aliased as: inspect
to_sdl_rgba_ary()
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Converts the color to an RGBA array of integers ranging from 0 to 255, as SDL wants.
# File lib/rubygame/color/models/rgb.rb, line 53 def to_sdl_rgba_ary self.to_rgba_ary.collect { |i| (i * 255).to_i } end