45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
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"use strict";
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var _const = require("../const.js"), Rectangle = require("./Rectangle.js");
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class Ellipse {
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/**
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* @param x - The X coordinate of the center of this ellipse
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* @param y - The Y coordinate of the center of this ellipse
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* @param halfWidth - The half width of this ellipse
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* @param halfHeight - The half height of this ellipse
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*/
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constructor(x = 0, y = 0, halfWidth = 0, halfHeight = 0) {
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this.x = x, this.y = y, this.width = halfWidth, this.height = halfHeight, this.type = _const.SHAPES.ELIP;
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}
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/**
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* Creates a clone of this Ellipse instance
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* @returns {PIXI.Ellipse} A copy of the ellipse
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*/
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clone() {
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return new Ellipse(this.x, this.y, this.width, this.height);
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}
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/**
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* Checks whether the x and y coordinates given are contained within this ellipse
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* @param x - The X coordinate of the point to test
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* @param y - The Y coordinate of the point to test
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* @returns Whether the x/y coords are within this ellipse
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*/
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contains(x, y) {
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if (this.width <= 0 || this.height <= 0)
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return !1;
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let normx = (x - this.x) / this.width, normy = (y - this.y) / this.height;
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return normx *= normx, normy *= normy, normx + normy <= 1;
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}
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/**
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* Returns the framing rectangle of the ellipse as a Rectangle object
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* @returns The framing rectangle
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*/
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getBounds() {
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return new Rectangle.Rectangle(this.x - this.width, this.y - this.height, this.width, this.height);
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}
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}
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Ellipse.prototype.toString = function() {
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return `[@pixi/math:Ellipse x=${this.x} y=${this.y} width=${this.width} height=${this.height}]`;
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};
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exports.Ellipse = Ellipse;
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//# sourceMappingURL=Ellipse.js.map
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