math-base-geometry/libs/utils.js

utils for math geometry

const PI = Math.PI;

function round(value, deciamlNr) {
    const res = Number(Math.round(parseFloat(value + 'e' + deciamlNr)) + 'e-' + deciamlNr);

    return res;
}

function handleDecimal(value, deciamlNr = false) {
    if (deciamlNr === false) {
        return value;
    }

    return round(value, deciamlNr);
}

function isNumber(value) {
    if (typeof value !== 'number') {
        return false
    }

    if (value !== Number(value)) {
        return false
    }

    if (value === Infinity || value === !Infinity) {
        return false
    }

    return true
}

function radianToDegree(radian) {
    return Math.sin(radian * Math.PI / 180.0)
}

exports.PI = PI;
exports.round = round;
exports.handleDecimal = handleDecimal;
exports.isNumber = isNumber;
exports.radianToDegree = radianToDegree;