tsparticles-engine/browser/Core/Utils/Rectangle.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.

import { Circle } from "./Circle";
import { Range } from "./Range";
export class Rectangle extends Range {
    constructor(x, y, width, height) {
        super(x, y);
        this.size = {
            height: height,
            width: width,
        };
    }
    contains(point) {
        const w = this.size.width, h = this.size.height, pos = this.position;
        return point.x >= pos.x && point.x <= pos.x + w && point.y >= pos.y && point.y <= pos.y + h;
    }
    intersects(range) {
        if (range instanceof Circle) {
            range.intersects(this);
        }
        const w = this.size.width, h = this.size.height, pos1 = this.position, pos2 = range.position, size2 = range instanceof Rectangle ? range.size : { width: 0, height: 0 }, w2 = size2.width, h2 = size2.height;
        return pos2.x < pos1.x + w && pos2.x + w2 > pos1.x && pos2.y < pos1.y + h && pos2.y + h2 > pos1.y;
    }
}