glitchin/lib/modules/data-to-rows.js

Glitch Art package

'use strict';

var _ = require('lodash');

module.exports = function( image ){
	var width = image.glitch.width,
		yIndex = 0,
		rows = [];

	for( var i = 0; i < image.glitch.data.length; i++ ){
		var pixel = image.glitch.data[i];

		if( _.isUndefined(rows[yIndex]) ){
			rows[yIndex] = [];
		}

		rows[yIndex].push(pixel)

		if( i % width === 0 && i !== 0 ){
			yIndex++;
		}
	}

	return rows;
};