wolkd/modifiers/filter-red.js

Server and user interface to control WS2801 RGB LED strips via SPI

module.exports =  {
  title: 'Filter red',
  type: 'rgb',
  getPixel: function(rgb, value) {
    return [rgb[0], rgb[1] * (1 - value), rgb[2] * (1 - value)];
  }
};