tsparticles/Utils/CircleWarp.js

Easily create highly customizable particle 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.CircleWarp = void 0;
const Rectangle_1 = require("./Rectangle");
const Circle_1 = require("./Circle");
class CircleWarp extends Circle_1.Circle {
    constructor(x, y, radius, canvasSize) {
        super(x, y, radius);
        this.canvasSize = canvasSize;
        this.canvasSize = {
            height: canvasSize.height,
            width: canvasSize.width,
        };
    }
    contains(point) {
        if (super.contains(point)) {
            return true;
        }
        const posNE = {
            x: point.x - this.canvasSize.width,
            y: point.y,
        };
        if (super.contains(posNE)) {
            return true;
        }
        const posSE = {
            x: point.x - this.canvasSize.width,
            y: point.y - this.canvasSize.height,
        };
        if (super.contains(posSE)) {
            return true;
        }
        const posSW = {
            x: point.x,
            y: point.y - this.canvasSize.height,
        };
        return super.contains(posSW);
    }
    intersects(range) {
        if (super.intersects(range)) {
            return true;
        }
        const rect = range;
        const circle = range;
        const newPos = {
            x: range.position.x - this.canvasSize.width,
            y: range.position.y - this.canvasSize.height,
        };
        if (circle.radius !== undefined) {
            const biggerCircle = new Circle_1.Circle(newPos.x, newPos.y, circle.radius * 2);
            return super.intersects(biggerCircle);
        }
        else if (rect.size !== undefined) {
            const rectSW = new Rectangle_1.Rectangle(newPos.x, newPos.y, rect.size.width * 2, rect.size.height * 2);
            return super.intersects(rectSW);
        }
        return false;
    }
}
exports.CircleWarp = CircleWarp;