src/main/resources/static/layuimini/lib/jq-module/jquery.particleground.min.js

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/**
 * Particleground
 *
 * @author Jonathan Nicol - @mrjnicol
 * @version 1.0.1
 * @description Creates a canvas based particle system background
 *
 * Inspired by:
 * http://requestlab.fr/
 * http://disruptivebydesign.com/
 *
 * @license The MIT License (MIT)
 *
 * Copyright (c) 2014 Jonathan Nicol - @mrjnicol
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
!function (a) {
    function b(b, d) {
        function e() {
            if (w) {
                $canvas = a('<canvas class="pg-canvas"></canvas>'), v.prepend($canvas), p = $canvas[0], q = p.getContext("2d"), f();
                for (var b = Math.round(p.width * p.height / d.density), c = 0; b > c; c++) {
                    var e = new l;
                    e.setStackPos(c), x.push(e)
                }
                a(window).on("resize", function () {
                    h()
                }), a(document).on("mousemove", function (a) {
                    y = a.pageX, z = a.pageY
                }), B && !A && window.addEventListener("deviceorientation", function () {
                    D = Math.min(Math.max(-event.beta, -30), 30), C = Math.min(Math.max(-event.gamma, -30), 30)
                }, !0), g(), o("onInit")
            }
        }

        function f() {
            p.width = v.width(), p.height = v.height(), q.fillStyle = d.dotColor, q.strokeStyle = d.lineColor, q.lineWidth = d.lineWidth
        }

        function g() {
            if (w) {
                s = a(window).width(), t = a(window).height(), q.clearRect(0, 0, p.width, p.height);
                for (var b = 0; b < x.length; b++) x[b].updatePosition();