var TWallpaper = function() {
    function x(a) {
        for (var b = [].concat(G); 0 < a;) b.push(b.shift()), a--;
        a = [];
        for (var c = 0; c < b.length; c += 2) a.push(b[c]);
        return a
    }

    function B(a, b) {
        b %= 90;
        var c = x(a % p);
        if (b) {
            var d = x(++a % p);
            return [{
                x: c[0].x + (d[0].x - c[0].x) / 90 * b,
                y: c[0].y + (d[0].y - c[0].y) / 90 * b
            }, {
                x: c[1].x + (d[1].x - c[1].x) / 90 * b,
                y: c[1].y + (d[1].y - c[1].y) / 90 * b
            }, {
                x: c[2].x + (d[2].x - c[2].x) / 90 * b,
                y: c[2].y + (d[2].y - c[2].y) / 90 * b
            }, {
                x: c[3].x + (d[3].x - c[3].x) / 90 * b,
                y: c[3].y + (d[3].y - c[3].y) / 90 * b
            }]
        }
        return c
    }

    function H(a) {
        for (l += a; 90 <= l;) l -= 90, g++, g >= p && (g -= p);
        for (; 0 > l;) l += 90, g--, 0 > g && (g += p)
    }

    function I(a) {
        C += a.deltaY;
        D || (requestAnimationFrame(P), D = !0)
    }

    function P() {
        var a = C / 50;
        C %= 50;
        if (a = 0 < a ? Math.floor(a) : Math.ceil(a)) H(a), a = B(g, l), y(z(a));
        D = !1
    }

    function Q() {
        if (0 < A.length) {
            var a = A.shift();
            y(a)
        } else clearInterval(E)
    }

    function z(a) {
        for (var b = f._hctx.createImageData(50, 50), c = b.data, d = 0, q = 0; 50 > q; q++)
            for (var h = q / 50 - .5, F = h * h, v = 0; 50 > v; v++) {
                var m = v / 50 - .5,
                    e = .35 * Math.sqrt(m * m + F);
                e = e * e * 6.4;
                var r = Math.sin(e),
                    w = Math.cos(e);
                e = Math.max(0, Math.min(1, .5 + m * w - h * r));
                m = Math.max(0, Math.min(1, .5 + m * r + h * w));
                for (var J = w = r = 0, K = 0, t = 0; t < u.length; t++) {
                    var k = e - a[t].x,
                        L = m - a[t].y;
                    k = Math.max(0, .9 - Math.sqrt(k * k + L * L));
                    k *= k * k * k;
                    r += k;
                    w += k * u[t].r / 255;
                    J += k * u[t].g / 255;
                    K += k * u[t].b / 255
                }
                c[d++] = w / r * 255;
                c[d++] = J / r * 255;
                c[d++] = K / r * 255;
                c[d++] = 255
            }
        return b
    }

    function y(a) {
        f._hctx.putImageData(a, 0, 0);
        f._ctx.drawImage(f._hc, 0, 0, 50, 50)
    }

    function M() {
        var a = +Date.now();
        !document.hasFocus() || a - N < R || (N = a, H(1), a = B(g, l), y(z(a)));
        O = requestAnimationFrame(M)
    }
    var g = 0,
        l = 0,
        N = 0,
        R = 1E3 / 15,
        A = [],
        E = null,
        O = null,
        u = [],
        n = [0, .25, .5, .75, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18.3, 18.6, 18.9, 19.2, 19.5, 19.8, 20.1, 20.4, 20.7, 21, 21.3, 21.6, 21.9, 22.2, 22.5, 22.8, 23.1, 23.4, 23.7, 24, 24.3, 24.6, 24.9, 25.2, 25.5, 25.8, 26.1, 26.3, 26.4, 26.5, 26.6, 26.7, 26.8, 26.9, 27],
        G = [{
            x: .8,
            y: .1
        }, {
            x: .6,
            y: .2
        }, {
            x: .35,
            y: .25
        }, {
            x: .25,
            y: .6
        }, {
            x: .2,
            y: .9
        }, {
            x: .4,
            y: .8
        }, {
            x: .65,
            y: .75
        }, {
            x: .75,
            y: .4
        }],
        p = G.length,
        D = !1,
        C = 0,
        f = {
            init: function(a) {
                u = [];
                var b = a.getAttribute("data-colors") || "";
                b && (b = b.split(","));
                for (var c = 0; c < b.length; c++) {
                    var d = u,
                        q = d.push;
                    var h = (h = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(b[c])) ? {
                        r: parseInt(h[1], 16),
                        g: parseInt(h[2], 16),
                        b: parseInt(h[3], 16)
                    } : null;
                    q.call(d, h)
                }
                f._hc || (f._hc = document.createElement("canvas"), f._hc.width = 50, f._hc.height = 50, f._hctx = f._hc.getContext("2d"));
                f._canvas = a;
                f._ctx = f._canvas.getContext("2d");
                f.update()
            },
            update: function() {
                var a = B(g, l);
                y(z(a))
            },
            toNextPosition: function() {
                clearInterval(E);
                A = [];
                var a = x(g % p);
                g++;
                var b = x(g % p),
                    c = (b[0].x - a[0].x) / 27,
                    d = (b[0].y - a[0].y) / 27,
                    q = (b[1].x - a[1].x) / 27,
                    h = (b[1].y - a[1].y) / 27,
                    F = (b[2].x - a[2].x) / 27,
                    v = (b[2].y - a[2].y) / 27,
                    m = (b[3].x - a[3].x) / 27;
                b = (b[3].y - a[3].y) / 27;
                for (var e = 0; 60 > e; e++) A.push(z([{
                    x: a[0].x + c * n[e],
                    y: a[0].y + d * n[e]
                }, {
                    x: a[1].x + q * n[e],
                    y: a[1].y + h * n[e]
                }, {
                    x: a[2].x + F * n[e],
                    y: a[2].y + v * n[e]
                }, {
                    x: a[3].x + m * n[e],
                    y: a[3].y + b * n[e]
                }]));
                E = setInterval(Q, 1E3 / 30)
            },
            animate: function(a) {
                a ? M() : cancelAnimationFrame(O)
            },
            scrollAnimate: function(a) {
                a ? document.addEventListener("wheel", I) : document.removeEventListener("wheel", I)
            }
        };
    return f
}();