47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
import { SHAPES } from "../const.mjs";
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import { Rectangle } from "./Rectangle.mjs";
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class Circle {
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/**
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* @param x - The X coordinate of the center of this circle
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* @param y - The Y coordinate of the center of this circle
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* @param radius - The radius of the circle
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*/
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constructor(x = 0, y = 0, radius = 0) {
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this.x = x, this.y = y, this.radius = radius, this.type = SHAPES.CIRC;
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}
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/**
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* Creates a clone of this Circle instance
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* @returns A copy of the Circle
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*/
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clone() {
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return new Circle(this.x, this.y, this.radius);
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}
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/**
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* Checks whether the x and y coordinates given are contained within this circle
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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 coordinates are within this Circle
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*/
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contains(x, y) {
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if (this.radius <= 0)
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return !1;
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const r2 = this.radius * this.radius;
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let dx = this.x - x, dy = this.y - y;
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return dx *= dx, dy *= dy, dx + dy <= r2;
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}
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/**
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* Returns the framing rectangle of the circle 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(this.x - this.radius, this.y - this.radius, this.radius * 2, this.radius * 2);
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}
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}
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Circle.prototype.toString = function() {
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return `[@pixi/math:Circle x=${this.x} y=${this.y} radius=${this.radius}]`;
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};
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export {
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Circle
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};
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//# sourceMappingURL=Circle.mjs.map
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