jsc3d/bin/jsc3d.js

Node port of JSC3D software 3D renderer with CLI interface

#!/usr/bin/env node
'use strict';

const jsc3d = require('../index');
const fs = require('fs');

function simpleParseArgs(args) {
    const positional = [];
    const named = {};
    for (const arg of args) {
        if (arg.match(/^\-\-/)) {
            const stripped = arg.substr(2);
            const i = stripped.indexOf('=');
            const name = stripped.substr(0, i);
            const value = stripped.substr(i + 1);
            named[name] = value;
        } else {
            positional.push(arg);
        }
    }

    // Get rid of self
    if (positional[0].match(/node$/)) {
        positional.shift();
    }
    if (positional[0].match(/jsc3d.?j?s?$/)) {
        positional.shift();
    }
    return {positional, named};
}

const {positional, named} = simpleParseArgs(process.argv);

const inputPath = positional[0];
const outputPath = positional[1];
// console.log("Rendering ", inputPath, " to ", outputPath);

const canvas = jsc3d.makeCairoCanvas(500, 500);
const parameters = Object.assign({
    canvas,
    SceneUrl: inputPath,
    InitRotationX: 45,
    InitRotationY: -45,
    InitRotationZ: -135,
    ModelColor: '#ffffff',
    BackgroundColor1: '#ffffff',
    BackgroundColor2: '#ffffff',
    ProgressBar: 'off',
    RenderMode: 'flat',
    Definition: 'high',
}, named);

jsc3d.render(parameters, () => {
    const buf = canvas.toBuffer(undefined, 3, canvas.PNG_FILTER_NONE);
    fs.writeFile(outputPath, buf, error => {
        if (error) {
            throw error;
        }
    });
});