编辑代码

//JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
console.log("Hello JSRUN!   \n\n         - from NodeJS .");

'use strict';
	informatics.getPointsPerAngstrom = function() {
		return c.DEFAULT_STYLES.bondLength_2D / c.DEFAULT_STYLES.angstromsPerBondLength;
	};

	informatics.BondDeducer = function() {
	};
	let _ = informatics.BondDeducer.prototype;
	_.margin = 1.1;
	_.deduceCovalentBonds = function(molecule, customPointsPerAngstrom) {
		let pointsPerAngstrom = informatics.getPointsPerAngstrom();
		if (customPointsPerAngstrom) {
			pointsPerAngstrom = customPointsPerAngstrom;
		}
		for ( let i = 0, ii = molecule.atoms.length; i < ii; i++) {
			for ( let j = i + 1; j < ii; j++) {
				let first = molecule.atoms[i];
				let second = molecule.atoms[j];
				if (first.distance3D(second) < (ELEMENT[first.label].covalentRadius + ELEMENT[second.label].covalentRadius) * pointsPerAngstrom * this.margin) {
					molecule.bonds.push(new structures.Bond(first, second, 1));
				}
			}
		}
	};