tsparticles-engine/cjs/Core/Utils/Circle.js

Easily create highly customizable particle, confetti and fireworks animations and use them as animated backgrounds for your website. Ready to use components available also for React, Vue.js (2.x and 3.x), Angular, Svelte, jQuery, Preact, Riot.js, Inferno.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Circle = void 0;
const Range_1 = require("./Range");
const Rectangle_1 = require("./Rectangle");
const NumberUtils_1 = require("../../Utils/NumberUtils");
class Circle extends Range_1.Range {
    constructor(x, y, radius) {
        super(x, y);
        this.radius = radius;
    }
    contains(point) {
        return (0, NumberUtils_1.getDistance)(point, this.position) <= this.radius;
    }
    intersects(range) {
        const pos1 = this.position, pos2 = range.position, distPos = { x: Math.abs(pos2.x - pos1.x), y: Math.abs(pos2.y - pos1.y) }, r = this.radius;
        if (range instanceof Circle) {
            const rSum = r + range.radius, dist = Math.sqrt(distPos.x ** 2 + distPos.y ** 2);
            return rSum > dist;
        }
        else if (range instanceof Rectangle_1.Rectangle) {
            const { width, height } = range.size, edges = Math.pow(distPos.x - width, 2) + Math.pow(distPos.y - height, 2);
            return (edges <= r ** 2 ||
                (distPos.x <= r + width && distPos.y <= r + height) ||
                distPos.x <= width ||
                distPos.y <= height);
        }
        return false;
    }
}
exports.Circle = Circle;