iframe-proxy | Sunbelt Computer Software

This repository was archived by the owner on Aug 14, 2022. It is now read-only.

Repository navigation

History

"use strict";

// centers and scales all *.obj and saves results as *.2.obj

// can also keep 3d viewers from jittering

const fs = require('fs');

const readline = require('readline');

const path = require('path');

const OBJ_DIR = './downloaded_files/obj';

for (let i of fs.readdirSync(OBJ_DIR)) {

i = path.resolve(OBJ_DIR, i);

if (!fs.statSync(i).isDirectory()) continue;

for (let j of fs.readdirSync(i)) {

j = path.resolve(i, j);

if (!/\.obj$/.test(j) || /\.2\.obj$/.test(j)) continue;

if (!fs.statSync(j).isFile()) continue;

scaleMoveObj(j, `${j.match(/(.*)\.obj$/)[1]}.2.obj`);

}

const SCALE = 10;

function scaleMoveObj(file_in, file_out) {

if (fs.existsSync(file_out)) {

fs.unlinkSync(file_out);

}

const io = readline.createInterface({

input: fs.createReadStream(file_in),

terminal: false,

});

let min_x = Infinity, max_x = -Infinity;

let min_y = Infinity, max_y = -Infinity;

let min_z = Infinity, max_z = -Infinity;

io.on('line', line => {

if (!/^v /.test(line))

return;

let [x, y, z] = line.split(' ').slice(1).map(parseFloat);

min_x = Math.min(x, min_x);

min_y = Math.min(y, min_y);

min_z = Math.min(z, min_z);

max_x = Math.max(x, max_x);

max_y = Math.max(y, max_y);

max_z = Math.max(z, max_z);

}).on('close', () => {

const center_x = (max_x + min_x) / 2;

const center_y = (max_y + min_y) / 2;

const center_z = (max_z + min_z) / 2;

const distance_x = Math.abs(max_x - min_x);

const distance_y = Math.abs(max_y - min_y);

const distance_z = Math.abs(max_z - min_z);

const max_distance = Math.max(distance_x, distance_y, distance_z);

const io = readline.createInterface({

input: fs.createReadStream(file_in),

output: fs.createWriteStream(file_out),

});

io.on('line', line => {

if (!/^v /.test(line))

return io.output.write(`${line}\n`);

let [x, y, z] = line.split(' ').slice(1).map(parseFloat);

x = (x - center_x) / max_distance * SCALE;

y = (y - center_y) / max_distance * SCALE;

z = (z - center_z) / max_distance * SCALE;

io.output.write(`v ${x} ${y} ${z}\n`);

}).on('close', () => {

console.error(`done. saved as ${file_out}`);

});

}

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Repository navigation

center_scale_obj.js

center_scale_obj.js

Sunbelt Computer Software

PL/B Language Development and Support

FilesExpand file tree

center_scale_obj.js

Latest commit

History

center_scale_obj.js

File metadata and controls