lib/screens/random.js


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'use strict';

/**
 * Draws random colors
 *
 * @function RandomScreen
 * @implements IScreen
 */
module.exports = function (modulation, width, height, renderer) {

    let response = '';

    for (let i = 0; i < height; ++i) {
        for (let j = 0; j < width; ++j) {
            const red = Math.floor(Math.random() * 255);
            const blue = Math.floor(Math.random() * 255);
            const green = Math.floor(Math.random() * 255);

            response = response + renderer(red, blue, green);
            response = response + ' ';
        }

        if (i < height - 1) {
            response = response + '\n';
        }
    }

    return response;
};