cannon/src/utils/Utils.js

A lightweight 3D physics engine written in JavaScript.

function Utils(){}

module.exports = Utils;

/**
 * Extend an options object with default values.
 * @static
 * @method defaults
 * @param  {object} options The options object. May be falsy: in this case, a new object is created and returned.
 * @param  {object} defaults An object containing default values.
 * @return {object} The modified options object.
 */
Utils.defaults = function(options, defaults){
    options = options || {};

    for(var key in defaults){
        if(!(key in options)){
            options[key] = defaults[key];
        }
    }

    return options;
};