geometric-pack/dist/two-dimensional/triangle/triangle.js

Geometric pack with lots of available calculations for 2D and 3D geometry

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Triangle = void 0;
var transform_1 = require("../../utils/transform");
var normalize_result_1 = require("../../utils/normalize-result");
var Triangle = /** @class */ (function () {
    function Triangle() {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        this.validateInput(args);
        var sortedSides = args.sort(function (a, b) { return a - b; });
        this.sideLengthA = sortedSides[0];
        this.sideLengthB = sortedSides[1];
        this.sideLengthC = sortedSides[2];
    }
    Triangle_1 = Triangle;
    Triangle.prototype.validateInput = function (args) {
        args.forEach(function (arg) {
            if (typeof arg !== "number") {
                throw new Error("Argument must be a number");
            }
        });
        if (args.length !== 3) {
            throw new Error("Triangle constructor takes 3 arguments");
        }
        if (this.hasNonPositive(args)) {
            throw new Error("Side lengths must be positive numbers");
        }
        if (Triangle_1.isTriangle(args)) {
            throw new Error("Not a triangle");
        }
    };
    Triangle.prototype.hasNonPositive = function (_a) {
        var sideLengthA = _a[0], sideLengthB = _a[1], sideLengthC = _a[2];
        return sideLengthA <= 0 || sideLengthB <= 0 || sideLengthC <= 0;
    };
    Triangle.isTriangle = function (_a) {
        var sideLengthA = _a[0], sideLengthB = _a[1], sideLengthC = _a[2];
        return (sideLengthA <= 0 ||
            sideLengthB <= 0 ||
            sideLengthC <= 0 ||
            sideLengthA + sideLengthB <= sideLengthC ||
            sideLengthA + sideLengthC <= sideLengthB ||
            sideLengthB + sideLengthC <= sideLengthA);
    };
    Triangle.prototype.getDefinition = function () {
        return {
            sideLengthA: this.sideLengthA,
            sideLengthB: this.sideLengthB,
            sideLengthC: this.sideLengthC,
            circumference: this.getCircumference(),
            area: this.getArea(),
            hasRightAngle: this.hasRightAngle(),
            heights: this.getHeights(),
            angles: this.getAngles(),
            outerCircleRadius: this.getOuterCircleRadius(),
            innerCircleRadius: this.getInnerCircleRadius(),
        };
    };
    Triangle.prototype.getCircumference = function () {
        return this.sideLengthA + this.sideLengthB + this.sideLengthC;
    };
    Triangle.prototype.getArea = function () {
        var s = this.getCircumference() / 2;
        return Math.sqrt(s *
            (s - this.sideLengthA) *
            (s - this.sideLengthB) *
            (s - this.sideLengthC));
    };
    Triangle.prototype.hasRightAngle = function () {
        return (Math.pow(this.sideLengthA, 2) + Math.pow(this.sideLengthB, 2) ===
            Math.pow(this.sideLengthC, 2));
    };
    Triangle.prototype.getHeightOfBaseA = function () {
        return this.getArea() / (0.5 * this.sideLengthA);
    };
    Triangle.prototype.getHeightOfBaseB = function () {
        return this.getArea() / (0.5 * this.sideLengthB);
    };
    Triangle.prototype.getHeightOfBaseC = function () {
        return this.getArea() / (0.5 * this.sideLengthC);
    };
    Triangle.prototype.getHeights = function () {
        return {
            heightOfBaseA: this.getHeightOfBaseA(),
            heightOfBaseB: this.getHeightOfBaseB(),
            heightOfBaseC: this.getHeightOfBaseC(),
        };
    };
    Triangle.prototype.getAlpha = function () {
        var radians = Math.asin((2 * this.getArea()) / (this.sideLengthB * this.sideLengthC));
        return transform_1.transformRadiansToDegrees(radians);
    };
    Triangle.prototype.getBeta = function () {
        var radians = Math.asin((2 * this.getArea()) / (this.sideLengthA * this.sideLengthC));
        return transform_1.transformRadiansToDegrees(radians);
    };
    Triangle.prototype.getGamma = function () {
        return 180 - (this.getAlpha() + this.getBeta());
    };
    Triangle.prototype.getAngles = function () {
        return {
            alpha: this.getAlpha(),
            beta: this.getBeta(),
            gamma: this.getGamma(),
        };
    };
    Triangle.prototype.isCongruent = function (triangle) {
        return (this.sideLengthA === triangle.sideLengthA &&
            this.sideLengthB === triangle.sideLengthB &&
            this.sideLengthC === triangle.sideLengthC);
    };
    Triangle.prototype.isSimilar = function (triangle) {
        return (this.getGamma() === triangle.getGamma() &&
            this.getBeta() === triangle.getBeta() &&
            this.getAlpha() === triangle.getAlpha());
    };
    Triangle.prototype.getOuterCircleRadius = function () {
        return ((this.sideLengthA * this.sideLengthB * this.sideLengthC) /
            (4 * this.getArea()));
    };
    Triangle.prototype.getInnerCircleRadius = function () {
        return this.getArea() / (this.getCircumference() / 2);
    };
    var Triangle_1;
    Triangle = Triangle_1 = __decorate([
        normalize_result_1.NormalizeResults(),
        __metadata("design:paramtypes", [Number])
    ], Triangle);
    return Triangle;
}());
exports.Triangle = Triangle;
//# sourceMappingURL=triangle.js.map