malwoden/dist/lib/struct/line.js

   

"use strict";
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Line = void 0;
var Line = /** @class */ (function () {
    function Line(v1, v2) {
        this.dx = 0;
        this.dy = 0;
        this._v1 = v1;
        this._v2 = v2;
        this.calcDeltas();
    }
    Object.defineProperty(Line.prototype, "v1", {
        get: function () {
            return this._v1;
        },
        set: function (val) {
            this._v1 = val;
            this.calcDeltas();
        },
        enumerable: false,
        configurable: true
    });
    Object.defineProperty(Line.prototype, "v2", {
        get: function () {
            return this._v2;
        },
        set: function (val) {
            this._v2 = val;
            this.calcDeltas();
        },
        enumerable: false,
        configurable: true
    });
    Line.prototype.calcDeltas = function () {
        this.dx = this._v2.x - this.v1.x;
        this.dy = this._v2.y - this.v1.y;
    };
    Line.prototype.clone = function () {
        return new Line(__assign({}, this._v1), __assign({}, this._v2));
    };
    Line.prototype.getDeltaX = function () {
        return this.dx;
    };
    Line.prototype.getDeltaY = function () {
        return this.dy;
    };
    Line.prototype.isBelow = function (x, y) {
        return this.calculateRelativeSlope(x, y) > 0;
    };
    Line.prototype.isBelowOrCollinear = function (x, y) {
        return this.calculateRelativeSlope(x, y) >= 0;
    };
    Line.prototype.isAbove = function (x, y) {
        return this.calculateRelativeSlope(x, y) < 0;
    };
    Line.prototype.isAboveOrCollinear = function (x, y) {
        return this.calculateRelativeSlope(x, y) <= 0;
    };
    Line.prototype.isCollinear = function (x, y) {
        return this.calculateRelativeSlope(x, y) === 0;
    };
    Line.prototype.isLineCollinear = function (line) {
        return (this.isCollinear(line.v1.x, line.v1.y) &&
            this.isCollinear(line.v2.x, line.v2.y));
    };
    Line.prototype.calculateRelativeSlope = function (x, y) {
        return this.dy * (this.v2.x - x) - this.dx * (this.v2.y - y);
    };
    return Line;
}());
exports.Line = Line;
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