X-Git-Url: https://git.r.bdr.sh/rbdr/tomato-sauce/blobdiff_plain/c7b4bd19a006d61c3b4979e884370d123cec7524..a0666be3ab58ed83ad6d622cfe2b8293c40dffbb:/lib/screens/mirrors.js?ds=sidebyside diff --git a/lib/screens/mirrors.js b/lib/screens/mirrors.js index d683fb6..4f29c7d 100644 --- a/lib/screens/mirrors.js +++ b/lib/screens/mirrors.js @@ -1,36 +1,40 @@ 'use strict'; -// Draws small moving gradient boxes and repeats them. -const Mirrors = function (modulation, width, height, renderer) { - let response = []; - - let scale = 2 + Math.round(Math.random() * 4); - let scaledHeight = Math.floor(height / scale); - let scaledWidth = Math.floor(width / scale); - - for (let i = 0; i < scaledHeight; i++) { - let row = []; - for (let j = 0; j < scaledWidth; j++) { - let red = ((modulation + i) * 255 / height) % 255; - let blue = ((modulation + j) * 255 / width) % 255; - let green = ((modulation + i * j) * 255 / (width * height)) % 255; - - let cell = [renderer(red, blue, green), ' ']; - row.push(cell.join('')); +/** + * Draws small moving gradient boxes and repeats them. + * + * @function MirrorsScreen + * @implements IScreen + */ +module.exports = function (modulation, width, height, renderer) { + + const response = []; + + const scale = 2 + Math.round(Math.random() * 4); + const scaledHeight = Math.floor(height / scale); + const scaledWidth = Math.floor(width / scale); + + for (let i = 0; i < scaledHeight; ++i) { + const row = []; + for (let j = 0; j < scaledWidth; ++j) { + const red = ((modulation + i) * 255 / height) % 255; + const blue = ((modulation + j) * 255 / width) % 255; + const green = ((modulation + i * j) * 255 / (width * height)) % 255; + + const cell = [renderer(red, blue, green), ' ']; + row.push(cell.join('')); + } + + let rowText = ''; + for (let j = 0; j < scale; ++j) { + rowText += row.reverse().join(''); + } + + for (let j = 1; j < scale; ++j) { + response[j * i] = rowText; + response[(height - 1 - (j * i))] = rowText; + } } - let rowText = ''; - for (let j = 0; j < scale; j++) { - rowText += row.reverse().join(''); - } - - for (let j = 1; j < scale; j++) { - response[j * i] = rowText; - response[(height - 1 - (j * i))] = rowText; - } - } - - return response.join('\n'); + return response.join('\n'); }; - -module.exports = Mirrors;