malwoden/dist/lib/struct/rect.js

   

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Rect = void 0;
/** Represents a basic rectangle. */
var Rect = /** @class */ (function () {
    /**
     * Creates a rectangle. Will internally set v1 to the min
     * coordinate corder, and v2 to the max corner.
     *
     * @param v1 - A vector representing one of the corners
     * @param v2 - A vector representing the other corner
     */
    function Rect(v1, v2) {
        this.v1 = {
            x: Math.min(v1.x, v2.x),
            y: Math.min(v1.y, v2.y),
        };
        this.v2 = {
            x: Math.max(v1.x, v2.x),
            y: Math.max(v1.y, v2.y),
        };
    }
    /**
     * Creates a rect from width + height. The width x height of a 1x1 block
     * would be 1, with v2 equal to v1.
     * @param v1 Vector2 - The starting vector
     * @param width number - The width. Min 1
     * @param height number - The height - Min 1
     * @returns Rect - A new rect with v2 computed from width/height
     */
    Rect.FromWidthHeight = function (v1, width, height) {
        if (width < 1) {
            throw new Error("Rect width must be at least 1.");
        }
        if (height < 1) {
            throw new Error("Rect height must be at least 1.");
        }
        var v2 = { x: v1.x + width - 1, y: v1.y + height - 1 };
        return new Rect(v1, v2);
    };
    Rect.prototype.width = function () {
        return Math.abs(this.v2.x - this.v1.x) + 1;
    };
    Rect.prototype.height = function () {
        return Math.abs(this.v2.y - this.v1.y) + 1;
    };
    Rect.prototype.center = function () {
        return {
            x: Math.round((this.v1.x + this.v2.x - 1) / 2),
            y: Math.round((this.v1.y + this.v2.y - 1) / 2),
        };
    };
    Rect.prototype.intersects = function (rect) {
        if (this.v1.x > rect.v2.x || rect.v1.x > this.v2.x)
            return false;
        if (this.v1.y > rect.v2.y || rect.v1.y > this.v2.y)
            return false;
        return true;
    };
    Rect.prototype.contains = function (point) {
        if (this.v1.x > point.x || this.v2.x < point.x)
            return false;
        if (this.v1.y > point.y || this.v2.y < point.y)
            return false;
        return true;
    };
    return Rect;
}());
exports.Rect = Rect;
//# sourceMappingURL=rect.js.map