Class: Neotrellis::Neopixel::Color

Inherits:

Object

• Object
• Neotrellis::Neopixel::Color

Defined in:

lib/neotrellis/neopixel.rb

Overview

Define a color to be set on a pixel

Instance Attribute Summary

• #b ⇒ Object readonly

  R G B components.

• #g ⇒ Object readonly

  R G B components.

• #r ⇒ Object readonly

  R G B components.

Instance Method Summary

• #initialize(r, g, b) ⇒ Color constructor

  Create a new color.

• #to_b(brightness = 1.0) ⇒ Array

  Apply a brightness to the color.

Constructor Details

#initialize(r, g, b) ⇒ Color

Create a new color. R G B values must be between 0 and 255

# File 'lib/neotrellis/neopixel.rb', line 163

def initialize(r, g, b)
  @r = within_range(r)
  @g = within_range(g)
  @b = within_range(b)
end

Instance Attribute Details

#b ⇒ Object (readonly)

R G B components

# File 'lib/neotrellis/neopixel.rb', line 155

def b
  @b
end

#g ⇒ Object (readonly)

R G B components

# File 'lib/neotrellis/neopixel.rb', line 155

def g
  @g
end

#r ⇒ Object (readonly)

R G B components

# File 'lib/neotrellis/neopixel.rb', line 155

def r
  @r
end

Instance Method Details

#to_b(brightness = 1.0) ⇒ Array

Apply a brightness to the color.

# File 'lib/neotrellis/neopixel.rb', line 174

def to_b(brightness = 1.0)
  # Order is GRB
  [(@g*brightness).to_i, (@r*brightness).to_i, (@b*brightness).to_i]
end