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 Effet de neige qui tombe !
  
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body {
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// ThreeCanvas.js
var $ = jQuery.noConflict();
var THREE = THREE || {};
if (!self.Int32Array) (self.Int32Array = Array), (self.Float32Array = Array);
THREE.Color = function (a) {
    a !== void 0 && this.setHex(a);
    return this;
};
THREE.Color.prototype = {
    constructor: THREE.Color,
    r: 1,
    g: 1,
    b: 1,
    copy: function (a) {
        this.r = a.r;
        this.g = a.g;
        this.b = a.b;
        return this;
    },
    copyGammaToLinear: function (a) {
        this.r = a.r * a.r;
        this.g = a.g * a.g;
        this.b = a.b * a.b;
        return this;
    },
    copyLinearToGamma: function (a) {
        this.r = Math.sqrt(a.r);
        this.g = Math.sqrt(a.g);
        this.b = Math.sqrt(a.b);
        return this;
    },
    setRGB: function (a, b, c) {
        this.r = a;
        this.g = b;
        this.b = c;
        return this;
    },
    setHSV: function (a, b, c) {
        var d, f, e;
        if (c === 0) this.r = this.g = this.b = 0;
        else
            switch (((d = Math.floor(a * 6)), (f = a * 6 - d), (a = c * (1 - b)), (e = c * (1 - b * f)), (b = c * (1 - b * (1 - f))), d)) {
                case 1:
                    this.r = e;
                    this.g = c;
                    this.b = a;
                    break;
                case 2:
                    this.r = a;
                    this.g = c;
                    this.b = b;
                    break;
                case 3:
                    this.r = a;
                    this.g = e;
                    this.b = c;
                    break;
                case 4:
                    this.r = b;
                    this.g = a;
                    this.b = c;
                    break;
                case 5:
                    this.r = c;
                    this.g = a;
                    this.b = e;
                    break;
                case 6:
                case 0:
                    (this.r = c), (this.g = b), (this.b = a);
            }
        return this;
    },
    setHex: function (a) {
        a = Math.floor(a);
        this.r = ((a >> 16) & 255) / 255;
        this.g = ((a >> 8) & 255) / 255;
        this.b = (a & 255) / 255;
        return this;
    },
    getHex: function () {
        return (~~(this.r * 255) << 16) ^ (~~(this.g * 255) << 8) ^ ~~(this.b * 255);
    },
    getContextStyle: function () {
        return "rgb(" + Math.floor(this.r * 255) + "," + Math.floor(this.g * 255) + "," + Math.floor(this.b * 255) + ")";
    },
    clone: function () {
        return new THREE.Color().setRGB(this.r, this.g, this.b);
    },
};
THREE.Vector2 = function (a, b) {
    this.x = a || 0;
    this.y = b || 0;
};
THREE.Vector2.prototype = {
    constructor: THREE.Vector2,
    set: function (a, b) {
        this.x = a;
        this.y = b;
        return this;
    },
    copy: function (a) {
        this.x = a.x;
        this.y = a.y;
        return this;
    },
    clone: function () {
        return new THREE.Vector2(this.x, this.y);
    },
    add: function (a, b) {
        this.x = a.x + b.x;
        this.y = a.y + b.y;
        return this;
    },
    addSelf: function (a) {
        this.x += a.x;
        this.y += a.y;
        return this;
    },
    sub: function (a, b) {
        this.x = a.x - b.x;
        this.y = a.y - b.y;
        return this;
    },
    subSelf: function (a) {
        this.x -= a.x;
        this.y -= a.y;
        return this;
    },
    multiplyScalar: function (a) {
        this.x *= a;
        this.y *= a;
        return this;
    },
    divideScalar: function (a) {
        a ? ((this.x /= a), (this.y /= a)) : this.set(0, 0);
        return this;
    },
    negate: function () {
        return this.multiplyScalar(-1);
    },
    dot: function (a) {
        return this.x * a.x + this.y * a.y;
    },
    lengthSq: function () {
        return this.x * this.x + this.y * this.y;
    },
    length: function () {
        return Math.sqrt(this.lengthSq());
    },
    normalize: function () {
        return this.divideScalar(this.length());
    },
    distanceTo: function (a) {
        return Math.sqrt(this.distanceToSquared(a));
    },
    distanceToSquared: function (a) {
        var b = this.x - a.x,
            a = this.y - a.y;
        return b * b + a * a;
    },
    setLength: function (a) {
        return this.normalize().multiplyScalar(a);
    },
    equals: function (a) {
        return a.x === this.x && a.y === this.y;
    },
};
THREE.Vector3 = function (a, b, c) {
    this.x = a || 0;
    this.y = b || 0;
    this.z = c || 0;
};
THREE.Vector3.prototype = {
    constructor: THREE.Vector3,
    set: function (a, b, c) {
        this.x = a;
        this.y = b;
        this.z = c;
        return this;
    },
    setX: function (a) {
        this.x = a;
        return this;
    },
    setY: function (a) {
        this.y = a;
        return this;
    },
    setZ: function (a) {
        this.z = a;
        return this;
    },
    copy: function (a) {
        this.x = a.x;
        this.y = a.y;
        this.z = a.z;
        return this;
    },
    clone: function () {
        return new THREE.Vector3(this.x, this.y, this.z);
    },
    add: function (a, b) {
        this.x = a.x + b.x;
        this.y = a.y + b.y;
        this.z = a.z + b.z;
        return this;
    },
    addSelf: function (a) {
        this.x += a.x;
        this.y += a.y;
        this.z += a.z;
        return this;
    },
    addScalar: function (a) {
        this.x += a;
        this.y += a;
        this.z += a;
        return this;
    },
    sub: function (a, b) {
        this.x = a.x - b.x;
        this.y = a.y - b.y;
        this.z = a.z - b.z;
        return this;
    },
    subSelf: function (a) {
        this.x -= a.x;
        this.y -= a.y;
        this.z -= a.z;
        return this;
    },
    multiply: function (a, b) {
        this.x = a.x * b.x;
        this.y = a.y * b.y;
        this.z = a.z * b.z;
        return this;
    },
    multiplySelf: function (a) {
        this.x *= a.x;
        this.y *= a.y;
        this.z *= a.z;
        return this;
    },
    multiplyScalar: function (a) {
        this.x *= a;
        this.y *= a;
        this.z *= a;
        return this;
    },
    divideSelf: function (a) {
        this.x /= a.x;
        this.y /= a.y;
        this.z /= a.z;
        return this;
    },
    divideScalar: function (a) {
        a ? ((this.x /= a), (this.y /= a), (this.z /= a)) : (this.z = this.y = this.x = 0);
        return this;
    },
    negate: function () {
        return this.multiplyScalar(-1);
    },
    dot: function (a) {
        return this.x * a.x + this.y * a.y + this.z * a.z;
    },
    lengthSq: function () {
        return this.x * this.x + this.y * this.y + this.z * this.z;
    },
    length: function () {
        return Math.sqrt(this.lengthSq());
    },
    lengthManhattan: function () {
        return this.x + this.y + this.z;
    },
    normalize: function () {
        return this.divideScalar(this.length());
    },
    setLength: function (a) {
        return this.normalize().multiplyScalar(a);
    },
    cross: function (a, b) {
        this.x = a.y * b.z - a.z * b.y;
        this.y = a.z * b.x - a.x * b.z;
        this.z = a.x * b.y - a.y * b.x;
        return this;
    },
    crossSelf: function (a) {
        var b = this.x,
            c = this.y,
            d = this.z;
        this.x = c * a.z - d * a.y;
        this.y = d * a.x - b * a.z;
        this.z = b * a.y - c * a.x;
        return this;
    },
    distanceTo: function (a) {
        return Math.sqrt(this.distanceToSquared(a));
    },
    distanceToSquared: function (a) {
        return new THREE.Vector3().sub(this, a).lengthSq();
    },
    setPositionFromMatrix: function (a) {
        this.x = a.n14;
        this.y = a.n24;
        this.z = a.n34;
    },
    setRotationFromMatrix: function (a) {
        var b = Math.cos(this.y);
        this.y = Math.asin(a.n13);
        Math.abs(b) > 1.0e-5 ? ((this.x = Math.atan2(-a.n23 / b, a.n33 / b)), (this.z = Math.atan2(-a.n12 / b, a.n11 / b))) : ((this.x = 0), (this.z = Math.atan2(a.n21, a.n22)));
    },
    isZero: function () {
        return this.lengthSq() < 1.0e-4;
    },
};
THREE.Vector4 = function (a, b, c, d) {
    this.x = a || 0;
    this.y = b || 0;
    this.z = c || 0;
    this.w = d !== void 0 ? d : 1;
};
THREE.Vector4.prototype = {
    constructor: THREE.Vector4,
    set: function (a, b, c, d) {
        this.x = a;
        this.y = b;
        this.z = c;
        this.w = d;
        return this;
    },
    copy: function (a) {
        this.x = a.x;
        this.y = a.y;
        this.z = a.z;
        this.w = a.w !== void 0 ? a.w : 1;
    },
    clone: function () {
        return new THREE.Vector4(this.x, this.y, this.z, this.w);
    },
    add: function (a, b) {
        this.x = a.x + b.x;
        this.y = a.y + b.y;
        this.z = a.z + b.z;
        this.w = a.w + b.w;
        return this;
    },
    addSelf: function (a) {
        this.x += a.x;
        this.y += a.y;
        this.z += a.z;
        this.w += a.w;
        return this;
    },
    sub: function (a, b) {
        this.x = a.x - b.x;
        this.y = a.y - b.y;
        this.z = a.z - b.z;
        this.w = a.w - b.w;
        return this;
    },
    subSelf: function (a) {
        this.x -= a.x;
        this.y -= a.y;
        this.z -= a.z;
        this.w -= a.w;
        return this;
    },
    multiplyScalar: function (a) {
        this.x *= a;
        this.y *= a;
        this.z *= a;
        this.w *= a;
        return this;
    },
    divideScalar: function (a) {
        a ? ((this.x /= a), (this.y /= a), (this.z /= a), (this.w /= a)) : ((this.z = this.y = this.x = 0), (this.w = 1));
        return this;
    },
    negate: function () {
        return this.multiplyScalar(-1);
    },
    dot: function (a) {
        return this.x * a.x + this.y * a.y + this.z * a.z + this.w * a.w;
    },
    lengthSq: function () {
        return this.dot(this);
    },
    length: function () {
        return Math.sqrt(this.lengthSq());
    },
    normalize: function () {
        return this.divideScalar(this.length());
    },
    setLength: function (a) {
        return this.normalize().multiplyScalar(a);
    },
    lerpSelf: function (a, b) {
        this.x += (a.x - this.x) * b;
        this.y += (a.y - this.y) * b;
        this.z += (a.z - this.z) * b;
        this.w += (a.w - this.w) * b;
        return this;
    },
};
THREE.Ray = function (a, b) {
    function c(a, b, c) {
        i.sub(c, a);
        p = i.dot(b);
        if (p <= 0) return null;
        k = n.add(a, o.copy(b).multiplyScalar(p));
        return (s = c.distanceTo(k));
    }
    function d(a, b, c, d) {
        i.sub(d, b);
        n.sub(c, b);
        o.sub(a, b);
        K = i.dot(i);
        C = i.dot(n);
        Q = i.dot(o);
        O = n.dot(n);
        w = n.dot(o);
        F = 1 / (K * O - C * C);
        z = (O * Q - C * w) * F;
        D = (K * w - C * Q) * F;
        return z >= 0 && D >= 0 && z + D < 1;
    }
    this.origin = a || new THREE.Vector3();
    this.direction = b || new THREE.Vector3();
    this.intersectScene = function (a) {
        return this.intersectObjects(a.children);
    };
    this.intersectObjects = function (a) {
        var b,
            c,
            d = [];
        b = 0;
        for (c = a.length; b < c; b++) Array.prototype.push.apply(d, this.intersectObject(a[b]));
        d.sort(function (a, b) {
            return a.distance - b.distance;
        });
        return d;
    };
    var f = new THREE.Vector3(),
        e = new THREE.Vector3(),
        g = new THREE.Vector3(),
        h = new THREE.Vector3(),
        a = new THREE.Vector3(),
        b = new THREE.Vector3(),
        m = new THREE.Vector3(),
        l = new THREE.Vector3(),
        j = new THREE.Vector3();
    this.intersectObject = function (k) {
        for (var i, o = [], n = 0, W = k.children.length; n < W; n++) Array.prototype.push.apply(o, this.intersectObject(k.children[n]));
        if (k instanceof THREE.Particle) {
            n = c(this.origin, this.direction, k.matrixWorld.getPosition());
            if (n === null || n > k.scale.x) return [];
            i = { distance: n, point: k.position, face: null, object: k };
            o.push(i);
        } else if (k instanceof THREE.Mesh) {
            n = c(this.origin, this.direction, k.matrixWorld.getPosition());
            if (n === null || n > k.geometry.boundingSphere.radius * Math.max(k.scale.x, Math.max(k.scale.y, k.scale.z))) return o;
            var p,
                G = k.geometry,
                H = G.vertices,
                I;
            k.matrixRotationWorld.extractRotation(k.matrixWorld);
            n = 0;
            for (W = G.faces.length; n < W; n++)
                if (
                    ((i = G.faces[n]),
                    a.copy(this.origin),
                    b.copy(this.direction),
                    (I = k.matrixWorld),
                    (m = I.multiplyVector3(m.copy(i.centroid)).subSelf(a)),
                    (p = m.dot(b)),
                    !(p <= 0) &&
                        ((f = I.multiplyVector3(f.copy(H[i.a].position))),
                        (e = I.multiplyVector3(e.copy(H[i.b].position))),
                        (g = I.multiplyVector3(g.copy(H[i.c].position))),
                        i instanceof THREE.Face4 && (h = I.multiplyVector3(h.copy(H[i.d].position))),
                        (l = k.matrixRotationWorld.multiplyVector3(l.copy(i.normal))),
                        (p = b.dot(l)),
                        k.doubleSided || (k.flipSided ? p > 0 : p < 0)))
                )
                    if (((p = l.dot(m.sub(f, a)) / p), j.add(a, b.multiplyScalar(p)), i instanceof THREE.Face3)) d(j, f, e, g) && ((i = { distance: a.distanceTo(j), point: j.clone(), face: i, object: k }), o.push(i));
                    else if (i instanceof THREE.Face4 && (d(j, f, e, h) || d(j, e, g, h))) (i = { distance: a.distanceTo(j), point: j.clone(), face: i, object: k }), o.push(i);
        }
        return o;
    };
    var i = new THREE.Vector3(),
        n = new THREE.Vector3(),
        o = new THREE.Vector3(),
        p,
        k,
        s,
        K,
        C,
        Q,
        O,
        w,
        F,
        z,
        D;
};
THREE.Rectangle = function () {
    function a() {
        e = d - b;
        g = f - c;
    }
    var b,
        c,
        d,
        f,
        e,
        g,
        h = !0;
    this.getX = function () {
        return b;
    };
    this.getY = function () {
        return c;
    };
    this.getWidth = function () {
        return e;
    };
    this.getHeight = function () {
        return g;
    };
    this.getLeft = function () {
        return b;
    };
    this.getTop = function () {
        return c;
    };
    this.getRight = function () {
        return d;
    };
    this.getBottom = function () {
        return f;
    };
    this.set = function (e, g, j, i) {
        h = !1;
        b = e;
        c = g;
        d = j;
        f = i;
        a();
    };
    this.addPoint = function (e, g) {
        h ? ((h = !1), (b = e), (c = g), (d = e), (f = g)) : ((b = b < e ? b : e), (c = c < g ? c : g), (d = d > e ? d : e), (f = f > g ? f : g));
        a();
    };
    this.add3Points = function (e, g, j, i, n, o) {
        h
            ? ((h = !1), (b = e < j ? (e < n ? e : n) : j < n ? j : n), (c = g < i ? (g < o ? g : o) : i < o ? i : o), (d = e > j ? (e > n ? e : n) : j > n ? j : n), (f = g > i ? (g > o ? g : o) : i > o ? i : o))
            : ((b = e < j ? (e < n ? (e < b ? e : b) : n < b ? n : b) : j < n ? (j < b ? j : b) : n < b ? n : b),
              (c = g < i ? (g < o ? (g < c ? g : c) : o < c ? o : c) : i < o ? (i < c ? i : c) : o < c ? o : c),
              (d = e > j ? (e > n ? (e > d ? e : d) : n > d ? n : d) : j > n ? (j > d ? j : d) : n > d ? n : d),
              (f = g > i ? (g > o ? (g > f ? g : f) : o > f ? o : f) : i > o ? (i > f ? i : f) : o > f ? o : f));
        a();
    };
    this.addRectangle = function (e) {
        h
            ? ((h = !1), (b = e.getLeft()), (c = e.getTop()), (d = e.getRight()), (f = e.getBottom()))
            : ((b = b < e.getLeft() ? b : e.getLeft()), (c = c < e.getTop() ? c : e.getTop()), (d = d > e.getRight() ? d : e.getRight()), (f = f > e.getBottom() ? f : e.getBottom()));
        a();
    };
    this.inflate = function (e) {
        b -= e;
        c -= e;
        d += e;
        f += e;
        a();
    };
    this.minSelf = function (e) {
        b = b > e.getLeft() ? b : e.getLeft();
        c = c > e.getTop() ? c : e.getTop();
        d = d < e.getRight() ? d : e.getRight();
        f = f < e.getBottom() ? f : e.getBottom();
        a();
    };
    this.intersects = function (a) {
        return Math.min(d, a.getRight()) - Math.max(b, a.getLeft()) >= 0 && Math.min(f, a.getBottom()) - Math.max(c, a.getTop()) >= 0;
    };
    this.empty = function () {
        h = !0;
        f = d = c = b = 0;
        a();
    };
    this.isEmpty = function () {
        return h;
    };
};
THREE.Math = {
    clamp: function (a, b, c) {
        return a < b ? b : a > c ? c : a;
    },
    clampBottom: function (a, b) {
        return a < b ? b : a;
    },
    mapLinear: function (a, b, c, d, f) {
        return d + ((a - b) * (f - d)) / (c - b);
    },
    random16: function () {
        return (65280 * Math.random() + 255 * Math.random()) / 65535;
    },
};
THREE.Matrix3 = function () {
    this.m = [];
};
THREE.Matrix3.prototype = {
    constructor: THREE.Matrix3,
    transpose: function () {
        var a,
            b = this.m;
        a = b[1];
        b[1] = b[3];
        b[3] = a;
        a = b[2];
        b[2] = b[6];
        b[6] = a;
        a = b[5];
        b[5] = b[7];
        b[7] = a;
        return this;
    },
    transposeIntoArray: function (a) {
        var b = this.m;
        a[0] = b[0];
        a[1] = b[3];
        a[2] = b[6];
        a[3] = b[1];
        a[4] = b[4];
        a[5] = b[7];
        a[6] = b[2];
        a[7] = b[5];
        a[8] = b[8];
        return this;
    },
};
THREE.Matrix4 = function (a, b, c, d, f, e, g, h, m, l, j, i, n, o, p, k) {
    this.set(a !== void 0 ? a : 1, b || 0, c || 0, d || 0, f || 0, e !== void 0 ? e : 1, g || 0, h || 0, m || 0, l || 0, j !== void 0 ? j : 1, i || 0, n || 0, o || 0, p || 0, k !== void 0 ? k : 1);
    this.flat = Array(16);
    this.m33 = new THREE.Matrix3();
};
THREE.Matrix4.prototype = {
    constructor: THREE.Matrix4,
    set: function (a, b, c, d, f, e, g, h, m, l, j, i, n, o, p, k) {
        this.n11 = a;
        this.n12 = b;
        this.n13 = c;
        this.n14 = d;
        this.n21 = f;
        this.n22 = e;
        this.n23 = g;
        this.n24 = h;
        this.n31 = m;
        this.n32 = l;
        this.n33 = j;
        this.n34 = i;
        this.n41 = n;
        this.n42 = o;
        this.n43 = p;
        this.n44 = k;
        return this;
    },
    identity: function () {
        this.set(1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
        return this;
    },
    copy: function (a) {
        this.set(a.n11, a.n12, a.n13, a.n14, a.n21, a.n22, a.n23, a.n24, a.n31, a.n32, a.n33, a.n34, a.n41, a.n42, a.n43, a.n44);
        return this;
    },
    lookAt: function (a, b, c) {
        var d = THREE.Matrix4.__v1,
            f = THREE.Matrix4.__v2,
            e = THREE.Matrix4.__v3;
        e.sub(a, b).normalize();
        if (e.length() === 0) e.z = 1;
        d.cross(c, e).normalize();
        d.length() === 0 && ((e.x += 1.0e-4), d.cross(c, e).normalize());
        f.cross(e, d).normalize();
        this.n11 = d.x;
        this.n12 = f.x;
        this.n13 = e.x;
        this.n21 = d.y;
        this.n22 = f.y;
        this.n23 = e.y;
        this.n31 = d.z;
        this.n32 = f.z;
        this.n33 = e.z;
        return this;
    },
    multiply: function (a, b) {
        var c = a.n11,
            d = a.n12,
            f = a.n13,
            e = a.n14,
            g = a.n21,
            h = a.n22,
            m = a.n23,
            l = a.n24,
            j = a.n31,
            i = a.n32,
            n = a.n33,
            o = a.n34,
            p = a.n41,
            k = a.n42,
            s = a.n43,
            K = a.n44,
            C = b.n11,
            Q = b.n12,
            O = b.n13,
            w = b.n14,
            F = b.n21,
            z = b.n22,
            D = b.n23,
            u = b.n24,
            r = b.n31,
            E = b.n32,
            N = b.n33,
            W = b.n34,
            da = b.n41,
            G = b.n42,
            H = b.n43,
            I = b.n44;
        this.n11 = c * C + d * F + f * r + e * da;
        this.n12 = c * Q + d * z + f * E + e * G;
        this.n13 = c * O + d * D + f * N + e * H;
        this.n14 = c * w + d * u + f * W + e * I;
        this.n21 = g * C + h * F + m * r + l * da;
        this.n22 = g * Q + h * z + m * E + l * G;
        this.n23 = g * O + h * D + m * N + l * H;
        this.n24 = g * w + h * u + m * W + l * I;
        this.n31 = j * C + i * F + n * r + o * da;
        this.n32 = j * Q + i * z + n * E + o * G;
        this.n33 = j * O + i * D + n * N + o * H;
        this.n34 = j * w + i * u + n * W + o * I;
        this.n41 = p * C + k * F + s * r + K * da;
        this.n42 = p * Q + k * z + s * E + K * G;
        this.n43 = p * O + k * D + s * N + K * H;
        this.n44 = p * w + k * u + s * W + K * I;
        return this;
    },
    multiplySelf: function (a) {
        return this.multiply(this, a);
    },
    multiplyToArray: function (a, b, c) {
        this.multiply(a, b);
        c[0] = this.n11;
        c[1] = this.n21;
        c[2] = this.n31;
        c[3] = this.n41;
        c[4] = this.n12;
        c[5] = this.n22;
        c[6] = this.n32;
        c[7] = this.n42;
        c[8] = this.n13;
        c[9] = this.n23;
        c[10] = this.n33;
        c[11] = this.n43;
        c[12] = this.n14;
        c[13] = this.n24;
        c[14] = this.n34;
        c[15] = this.n44;
        return this;
    },
    multiplyScalar: function (a) {
        this.n11 *= a;
        this.n12 *= a;
        this.n13 *= a;
        this.n14 *= a;
        this.n21 *= a;
        this.n22 *= a;
        this.n23 *= a;
        this.n24 *= a;
        this.n31 *= a;
        this.n32 *= a;
        this.n33 *= a;
        this.n34 *= a;
        this.n41 *= a;
        this.n42 *= a;
        this.n43 *= a;
        this.n44 *= a;
        return this;
    },
    multiplyVector3: function (a) {
        var b = a.x,
            c = a.y,
            d = a.z,
            f = 1 / (this.n41 * b + this.n42 * c + this.n43 * d + this.n44);
        a.x = (this.n11 * b + this.n12 * c + this.n13 * d + this.n14) * f;
        a.y = (this.n21 * b + this.n22 * c + this.n23 * d + this.n24) * f;
        a.z = (this.n31 * b + this.n32 * c + this.n33 * d + this.n34) * f;
        return a;
    },
    multiplyVector4: function (a) {
        var b = a.x,
            c = a.y,
            d = a.z,
            f = a.w;
        a.x = this.n11 * b + this.n12 * c + this.n13 * d + this.n14 * f;
        a.y = this.n21 * b + this.n22 * c + this.n23 * d + this.n24 * f;
        a.z = this.n31 * b + this.n32 * c + this.n33 * d + this.n34 * f;
        a.w = this.n41 * b + this.n42 * c + this.n43 * d + this.n44 * f;
        return a;
    },
    rotateAxis: function (a) {
        var b = a.x,
            c = a.y,
            d = a.z;
        a.x = b * this.n11 + c * this.n12 + d * this.n13;
        a.y = b * this.n21 + c * this.n22 + d * this.n23;
        a.z = b * this.n31 + c * this.n32 + d * this.n33;
        a.normalize();
        return a;
    },
    crossVector: function (a) {
        var b = new THREE.Vector4();
        b.x = this.n11 * a.x + this.n12 * a.y + this.n13 * a.z + this.n14 * a.w;
        b.y = this.n21 * a.x + this.n22 * a.y + this.n23 * a.z + this.n24 * a.w;
        b.z = this.n31 * a.x + this.n32 * a.y + this.n33 * a.z + this.n34 * a.w;
        b.w = a.w ? this.n41 * a.x + this.n42 * a.y + this.n43 * a.z + this.n44 * a.w : 1;
        return b;
    },
    determinant: function () {
        var a = this.n11,
            b = this.n12,
            c = this.n13,
            d = this.n14,
            f = this.n21,
            e = this.n22,
            g = this.n23,
            h = this.n24,
            m = this.n31,
            l = this.n32,
            j = this.n33,
            i = this.n34,
            n = this.n41,
            o = this.n42,
            p = this.n43,
            k = this.n44;
        return (
            d * g * l * n -
            c * h * l * n -
            d * e * j * n +
            b * h * j * n +
            c * e * i * n -
            b * g * i * n -
            d * g * m * o +
            c * h * m * o +
            d * f * j * o -
            a * h * j * o -
            c * f * i * o +
            a * g * i * o +
            d * e * m * p -
            b * h * m * p -
            d * f * l * p +
            a * h * l * p +
            b * f * i * p -
            a * e * i * p -
            c * e * m * k +
            b * g * m * k +
            c * f * l * k -
            a * g * l * k -
            b * f * j * k +
            a * e * j * k
        );
    },
    transpose: function () {
        var a;
        a = this.n21;
        this.n21 = this.n12;
        this.n12 = a;
        a = this.n31;
        this.n31 = this.n13;
        this.n13 = a;
        a = this.n32;
        this.n32 = this.n23;
        this.n23 = a;
        a = this.n41;
        this.n41 = this.n14;
        this.n14 = a;
        a = this.n42;
        this.n42 = this.n24;
        this.n24 = a;
        a = this.n43;
        this.n43 = this.n34;
        this.n43 = a;
        return this;
    },
    clone: function () {
        var a = new THREE.Matrix4();
        a.n11 = this.n11;
        a.n12 = this.n12;
        a.n13 = this.n13;
        a.n14 = this.n14;
        a.n21 = this.n21;
        a.n22 = this.n22;
        a.n23 = this.n23;
        a.n24 = this.n24;
        a.n31 = this.n31;
        a.n32 = this.n32;
        a.n33 = this.n33;
        a.n34 = this.n34;
        a.n41 = this.n41;
        a.n42 = this.n42;
        a.n43 = this.n43;
        a.n44 = this.n44;
        return a;
    },
    flatten: function () {
        this.flat[0] = this.n11;
        this.flat[1] = this.n21;
        this.flat[2] = this.n31;
        this.flat[3] = this.n41;
        this.flat[4] = this.n12;
        this.flat[5] = this.n22;
        this.flat[6] = this.n32;
        this.flat[7] = this.n42;
        this.flat[8] = this.n13;
        this.flat[9] = this.n23;
        this.flat[10] = this.n33;
        this.flat[11] = this.n43;
        this.flat[12] = this.n14;
        this.flat[13] = this.n24;
        this.flat[14] = this.n34;
        this.flat[15] = this.n44;
        return this.flat;
    },
    flattenToArray: function (a) {
        a[0] = this.n11;
        a[1] = this.n21;
        a[2] = this.n31;
        a[3] = this.n41;
        a[4] = this.n12;
        a[5] = this.n22;
        a[6] = this.n32;
        a[7] = this.n42;
        a[8] = this.n13;
        a[9] = this.n23;
        a[10] = this.n33;
        a[11] = this.n43;
        a[12] = this.n14;
        a[13] = this.n24;
        a[14] = this.n34;
        a[15] = this.n44;
        return a;
    },
    flattenToArrayOffset: function (a, b) {
        a[b] = this.n11;
        a[b + 1] = this.n21;
        a[b + 2] = this.n31;
        a[b + 3] = this.n41;
        a[b + 4] = this.n12;
        a[b + 5] = this.n22;
        a[b + 6] = this.n32;
        a[b + 7] = this.n42;
        a[b + 8] = this.n13;
        a[b + 9] = this.n23;
        a[b + 10] = this.n33;
        a[b + 11] = this.n43;
        a[b + 12] = this.n14;
        a[b + 13] = this.n24;
        a[b + 14] = this.n34;
        a[b + 15] = this.n44;
        return a;
    },
    setTranslation: function (a, b, c) {
        this.set(1, 0, 0, a, 0, 1, 0, b, 0, 0, 1, c, 0, 0, 0, 1);
        return this;
    },
    setScale: function (a, b, c) {
        this.set(a, 0, 0, 0, 0, b, 0, 0, 0, 0, c, 0, 0, 0, 0, 1);
        return this;
    },
    setRotationX: function (a) {
        var b = Math.cos(a),
            a = Math.sin(a);
        this.set(1, 0, 0, 0, 0, b, -a, 0, 0, a, b, 0, 0, 0, 0, 1);
        return this;
    },
    setRotationY: function (a) {
        var b = Math.cos(a),
            a = Math.sin(a);
        this.set(b, 0, a, 0, 0, 1, 0, 0, -a, 0, b, 0, 0, 0, 0, 1);
        return this;
    },
    setRotationZ: function (a) {
        var b = Math.cos(a),
            a = Math.sin(a);
        this.set(b, -a, 0, 0, a, b, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1);
        return this;
    },
    setRotationAxis: function (a, b) {
        var c = Math.cos(b),
            d = Math.sin(b),
            f = 1 - c,
            e = a.x,
            g = a.y,
            h = a.z,
            m = f * e,
            l = f * g;
        this.set(m * e + c, m * g - d * h, m * h + d * g, 0, m * g + d * h, l * g + c, l * h - d * e, 0, m * h - d * g, l * h + d * e, f * h * h + c, 0, 0, 0, 0, 1);
        return this;
    },
    setPosition: function (a) {
        this.n14 = a.x;
        this.n24 = a.y;
        this.n34 = a.z;
        return this;
    },
    getPosition: function () {
        return THREE.Matrix4.__v1.set(this.n14, this.n24, this.n34);
    },
    getColumnX: function () {
        return THREE.Matrix4.__v1.set(this.n11, this.n21, this.n31);
    },
    getColumnY: function () {
        return THREE.Matrix4.__v1.set(this.n12, this.n22, this.n32);
    },
    getColumnZ: function () {
        return THREE.Matrix4.__v1.set(this.n13, this.n23, this.n33);
    },
    getInverse: function (a) {
        var b = a.n11,
            c = a.n12,
            d = a.n13,
            f = a.n14,
            e = a.n21,
            g = a.n22,
            h = a.n23,
            m = a.n24,
            l = a.n31,
            j = a.n32,
            i = a.n33,
            n = a.n34,
            o = a.n41,
            p = a.n42,
            k = a.n43,
            s = a.n44;
        this.n11 = h * n * p - m * i * p + m * j * k - g * n * k - h * j * s + g * i * s;
        this.n12 = f * i * p - d * n * p - f * j * k + c * n * k + d * j * s - c * i * s;
        this.n13 = d * m * p - f * h * p + f * g * k - c * m * k - d * g * s + c * h * s;
        this.n14 = f * h * j - d * m * j - f * g * i + c * m * i + d * g * n - c * h * n;
        this.n21 = m * i * o - h * n * o - m * l * k + e * n * k + h * l * s - e * i * s;
        this.n22 = d * n * o - f * i * o + f * l * k - b * n * k - d * l * s + b * i * s;
        this.n23 = f * h * o - d * m * o - f * e * k + b * m * k + d * e * s - b * h * s;
        this.n24 = d * m * l - f * h * l + f * e * i - b * m * i - d * e * n + b * h * n;
        this.n31 = g * n * o - m * j * o + m * l * p - e * n * p - g * l * s + e * j * s;
        this.n32 = f * j * o - c * n * o - f * l * p + b * n * p + c * l * s - b * j * s;
        this.n33 = d * m * o - f * g * o + f * e * p - b * m * p - c * e * s + b * g * s;
        this.n34 = f * g * l - c * m * l - f * e * j + b * m * j + c * e * n - b * g * n;
        this.n41 = h * j * o - g * i * o - h * l * p + e * i * p + g * l * k - e * j * k;
        this.n42 = c * i * o - d * j * o + d * l * p - b * i * p - c * l * k + b * j * k;
        this.n43 = d * g * o - c * h * o - d * e * p + b * h * p + c * e * k - b * g * k;
        this.n44 = c * h * l - d * g * l + d * e * j - b * h * j - c * e * i + b * g * i;
        this.multiplyScalar(1 / a.determinant());
        return this;
    },
    setRotationFromEuler: function (a, b) {
        var c = a.x,
            d = a.y,
            f = a.z,
            e = Math.cos(c),
            c = Math.sin(c),
            g = Math.cos(d),
            d = Math.sin(d),
            h = Math.cos(f),
            f = Math.sin(f);
        switch (b) {
            case "YXZ":
                var m = g * h,
                    l = g * f,
                    j = d * h,
                    i = d * f;
                this.n11 = m + i * c;
                this.n12 = j * c - l;
                this.n13 = e * d;
                this.n21 = e * f;
                this.n22 = e * h;
                this.n23 = -c;
                this.n31 = l * c - j;
                this.n32 = i + m * c;
                this.n33 = e * g;
                break;
            case "ZXY":
                m = g * h;
                l = g * f;
                j = d * h;
                i = d * f;
                this.n11 = m - i * c;
                this.n12 = -e * f;
                this.n13 = j + l * c;
                this.n21 = l + j * c;
                this.n22 = e * h;
                this.n23 = i - m * c;
                this.n31 = -e * d;
                this.n32 = c;
                this.n33 = e * g;
                break;
            case "ZYX":
                m = e * h;
                l = e * f;
                j = c * h;
                i = c * f;
                this.n11 = g * h;
                this.n12 = j * d - l;
                this.n13 = m * d + i;
                this.n21 = g * f;
                this.n22 = i * d + m;
                this.n23 = l * d - j;
                this.n31 = -d;
                this.n32 = c * g;
                this.n33 = e * g;
                break;
            case "YZX":
                m = e * g;
                l = e * d;
                j = c * g;
                i = c * d;
                this.n11 = g * h;
                this.n12 = i - m * f;
                this.n13 = j * f + l;
                this.n21 = f;
                this.n22 = e * h;
                this.n23 = -c * h;
                this.n31 = -d * h;
                this.n32 = l * f + j;
                this.n33 = m - i * f;
                break;
            case "XZY":
                m = e * g;
                l = e * d;
                j = c * g;
                i = c * d;
                this.n11 = g * h;
                this.n12 = -f;
                this.n13 = d * h;
                this.n21 = m * f + i;
                this.n22 = e * h;
                this.n23 = l * f - j;
                this.n31 = j * f - l;
                this.n32 = c * h;
                this.n33 = i * f + m;
                break;
            default:
                (m = e * h),
                    (l = e * f),
                    (j = c * h),
                    (i = c * f),
                    (this.n11 = g * h),
                    (this.n12 = -g * f),
                    (this.n13 = d),
                    (this.n21 = l + j * d),
                    (this.n22 = m - i * d),
                    (this.n23 = -c * g),
                    (this.n31 = i - m * d),
                    (this.n32 = j + l * d),
                    (this.n33 = e * g);
        }
        return this;
    },
    setRotationFromQuaternion: function (a) {
        var b = a.x,
            c = a.y,
            d = a.z,
            f = a.w,
            e = b + b,
            g = c + c,
            h = d + d,
            a = b * e,
            m = b * g;
        b *= h;
        var l = c * g;
        c *= h;
        d *= h;
        e *= f;
        g *= f;
        f *= h;
        this.n11 = 1 - (l + d);
        this.n12 = m - f;
        this.n13 = b + g;
        this.n21 = m + f;
        this.n22 = 1 - (a + d);
        this.n23 = c - e;
        this.n31 = b - g;
        this.n32 = c + e;
        this.n33 = 1 - (a + l);
        return this;
    },
    scale: function (a) {
        var b = a.x,
            c = a.y,
            a = a.z;
        this.n11 *= b;
        this.n12 *= c;
        this.n13 *= a;
        this.n21 *= b;
        this.n22 *= c;
        this.n23 *= a;
        this.n31 *= b;
        this.n32 *= c;
        this.n33 *= a;
        this.n41 *= b;
        this.n42 *= c;
        this.n43 *= a;
        return this;
    },
    compose: function (a, b, c) {
        var d = THREE.Matrix4.__m1,
            f = THREE.Matrix4.__m2;
        d.identity();
        d.setRotationFromQuaternion(b);
        f.setScale(c.x, c.y, c.z);
        this.multiply(d, f);
        this.n14 = a.x;
        this.n24 = a.y;
        this.n34 = a.z;
        return this;
    },
    decompose: function (a, b, c) {
        var d = THREE.Matrix4.__v1,
            f = THREE.Matrix4.__v2,
            e = THREE.Matrix4.__v3;
        d.set(this.n11, this.n21, this.n31);
        f.set(this.n12, this.n22, this.n32);
        e.set(this.n13, this.n23, this.n33);
        a = a instanceof THREE.Vector3 ? a : new THREE.Vector3();
        b = b instanceof THREE.Quaternion ? b : new THREE.Quaternion();
        c = c instanceof THREE.Vector3 ? c : new THREE.Vector3();
        c.x = d.length();
        c.y = f.length();
        c.z = e.length();
        a.x = this.n14;
        a.y = this.n24;
        a.z = this.n34;
        d = THREE.Matrix4.__m1;
        d.copy(this);
        d.n11 /= c.x;
        d.n21 /= c.x;
        d.n31 /= c.x;
        d.n12 /= c.y;
        d.n22 /= c.y;
        d.n32 /= c.y;
        d.n13 /= c.z;
        d.n23 /= c.z;
        d.n33 /= c.z;
        b.setFromRotationMatrix(d);
        return [a, b, c];
    },
    extractPosition: function (a) {
        this.n14 = a.n14;
        this.n24 = a.n24;
        this.n34 = a.n34;
        return this;
    },
    extractRotation: function (a) {
        var b = THREE.Matrix4.__v1,
            c = 1 / b.set(a.n11, a.n21, a.n31).length(),
            d = 1 / b.set(a.n12, a.n22, a.n32).length(),
            b = 1 / b.set(a.n13, a.n23, a.n33).length();
        this.n11 = a.n11 * c;
        this.n21 = a.n21 * c;
        this.n31 = a.n31 * c;
        this.n12 = a.n12 * d;
        this.n22 = a.n22 * d;
        this.n32 = a.n32 * d;
        this.n13 = a.n13 * b;
        this.n23 = a.n23 * b;
        this.n33 = a.n33 * b;
        return this;
    },
};
THREE.Matrix4.makeInvert3x3 = function (a) {
    var b = a.m33,
        c = b.m,
        d = a.n33 * a.n22 - a.n32 * a.n23,
        f = -a.n33 * a.n21 + a.n31 * a.n23,
        e = a.n32 * a.n21 - a.n31 * a.n22,
        g = -a.n33 * a.n12 + a.n32 * a.n13,
        h = a.n33 * a.n11 - a.n31 * a.n13,
        m = -a.n32 * a.n11 + a.n31 * a.n12,
        l = a.n23 * a.n12 - a.n22 * a.n13,
        j = -a.n23 * a.n11 + a.n21 * a.n13,
        i = a.n22 * a.n11 - a.n21 * a.n12,
        a = a.n11 * d + a.n21 * g + a.n31 * l;
    a === 0 && console.error("THREE.Matrix4.makeInvert3x3: Matrix not invertible.");
    a = 1 / a;
    c[0] = a * d;
    c[1] = a * f;
    c[2] = a * e;
    c[3] = a * g;
    c[4] = a * h;
    c[5] = a * m;
    c[6] = a * l;
    c[7] = a * j;
    c[8] = a * i;
    return b;
};
THREE.Matrix4.makeFrustum = function (a, b, c, d, f, e) {
    var g;
    g = new THREE.Matrix4();
    g.n11 = (2 * f) / (b - a);
    g.n12 = 0;
    g.n13 = (b + a) / (b - a);
    g.n14 = 0;
    g.n21 = 0;
    g.n22 = (2 * f) / (d - c);
    g.n23 = (d + c) / (d - c);
    g.n24 = 0;
    g.n31 = 0;
    g.n32 = 0;
    g.n33 = -(e + f) / (e - f);
    g.n34 = (-2 * e * f) / (e - f);
    g.n41 = 0;
    g.n42 = 0;
    g.n43 = -1;
    g.n44 = 0;
    return g;
};
THREE.Matrix4.makePerspective = function (a, b, c, d) {
    var f,
        a = c * Math.tan((a * Math.PI) / 360);
    f = -a;
    return THREE.Matrix4.makeFrustum(f * b, a * b, f, a, c, d);
};
THREE.Matrix4.makeOrtho = function (a, b, c, d, f, e) {
    var g, h, m, l;
    g = new THREE.Matrix4();
    h = b - a;
    m = c - d;
    l = e - f;
    g.n11 = 2 / h;
    g.n12 = 0;
    g.n13 = 0;
    g.n14 = -((b + a) / h);
    g.n21 = 0;
    g.n22 = 2 / m;
    g.n23 = 0;
    g.n24 = -((c + d) / m);
    g.n31 = 0;
    g.n32 = 0;
    g.n33 = -2 / l;
    g.n34 = -((e + f) / l);
    g.n41 = 0;
    g.n42 = 0;
    g.n43 = 0;
    g.n44 = 1;
    return g;
};
THREE.Matrix4.__v1 = new THREE.Vector3();
THREE.Matrix4.__v2 = new THREE.Vector3();
THREE.Matrix4.__v3 = new THREE.Vector3();
THREE.Matrix4.__m1 = new THREE.Matrix4();
THREE.Matrix4.__m2 = new THREE.Matrix4();
THREE.Object3D = function () {
    this.name = "";
    this.id = THREE.Object3DCount++;
    this.parent = void 0;
    this.children = [];
    this.up = new THREE.Vector3(0, 1, 0);
    this.position = new THREE.Vector3();
    this.rotation = new THREE.Vector3();
    this.eulerOrder = "XYZ";
    this.scale = new THREE.Vector3(1, 1, 1);
    this.flipSided = this.doubleSided = this.dynamic = !1;
    this.renderDepth = null;
    this.rotationAutoUpdate = !0;
    this.matrix = new THREE.Matrix4();
    this.matrixWorld = new THREE.Matrix4();
    this.matrixRotationWorld = new THREE.Matrix4();
    this.matrixWorldNeedsUpdate = this.matrixAutoUpdate = !0;
    this.quaternion = new THREE.Quaternion();
    this.useQuaternion = !1;
    this.boundRadius = 0;
    this.boundRadiusScale = 1;
    this.visible = !0;
    this.receiveShadow = this.castShadow = !1;
    this.frustumCulled = !0;
    this._vector = new THREE.Vector3();
};
THREE.Object3D.prototype = {
    constructor: THREE.Object3D,
    translate: function (a, b) {
        this.matrix.rotateAxis(b);
        this.position.addSelf(b.multiplyScalar(a));
    },
    translateX: function (a) {
        this.translate(a, this._vector.set(1, 0, 0));
    },
    translateY: function (a) {
        this.translate(a, this._vector.set(0, 1, 0));
    },
    translateZ: function (a) {
        this.translate(a, this._vector.set(0, 0, 1));
    },
    lookAt: function (a) {
        this.matrix.lookAt(a, this.position, this.up);
        this.rotationAutoUpdate && this.rotation.setRotationFromMatrix(this.matrix);
    },
    add: function (a) {
        if (this.children.indexOf(a) === -1) {
            a.parent !== void 0 && a.parent.remove(a);
            a.parent = this;
            this.children.push(a);
            for (var b = this; b.parent !== void 0; ) b = b.parent;
            b !== void 0 && b instanceof THREE.Scene && b.addObject(a);
        }
    },
    remove: function (a) {
        var b = this.children.indexOf(a);
        if (b !== -1) {
            a.parent = void 0;
            this.children.splice(b, 1);
            for (b = this; b.parent !== void 0; ) b = b.parent;
            b !== void 0 && b instanceof THREE.Scene && b.removeObject(a);
        }
    },
    getChildByName: function (a, b) {
        var c, d, f;
        c = 0;
        for (d = this.children.length; c < d; c++) {
            f = this.children[c];
            if (f.name === a) return f;
            if (b && ((f = f.getChildByName(a, b)), f !== void 0)) return f;
        }
    },
    updateMatrix: function () {
        this.matrix.setPosition(this.position);
        this.useQuaternion ? this.matrix.setRotationFromQuaternion(this.quaternion) : this.matrix.setRotationFromEuler(this.rotation, this.eulerOrder);
        if (this.scale.x !== 1 || this.scale.y !== 1 || this.scale.z !== 1) this.matrix.scale(this.scale), (this.boundRadiusScale = Math.max(this.scale.x, Math.max(this.scale.y, this.scale.z)));
        this.matrixWorldNeedsUpdate = !0;
    },
    updateMatrixWorld: function (a) {
        this.matrixAutoUpdate && this.updateMatrix();
        if (this.matrixWorldNeedsUpdate || a) this.parent ? this.matrixWorld.multiply(this.parent.matrixWorld, this.matrix) : this.matrixWorld.copy(this.matrix), (this.matrixWorldNeedsUpdate = !1), (a = !0);
        for (var b = 0, c = this.children.length; b < c; b++) this.children[b].updateMatrixWorld(a);
    },
};
THREE.Object3DCount = 0;
THREE.Projector = function () {
    function a() {
        var a = (g[e] = g[e] || new THREE.RenderableObject());
        e++;
        return a;
    }
    function b() {
        var a = (l[m] = l[m] || new THREE.RenderableVertex());
        m++;
        return a;
    }
    function c(a, b) {
        return b.z - a.z;
    }
    function d(a, b) {
        var c = 0,
            d = 1,
            e = a.z + a.w,
            f = b.z + b.w,
            g = -a.z + a.w,
            h = -b.z + b.w;
        return e >= 0 && f >= 0 && g >= 0 && h >= 0
            ? !0
            : (e < 0 && f < 0) || (g < 0 && h < 0)
            ? !1
            : (e < 0 ? (c = Math.max(c, e / (e - f))) : f < 0 && (d = Math.min(d, e / (e - f))), g < 0 ? (c = Math.max(c, g / (g - h))) : h < 0 && (d = Math.min(d, g / (g - h))), d < c ? !1 : (a.lerpSelf(b, c), b.lerpSelf(a, 1 - d), !0));
    }
    var f,
        e,
        g = [],
        h,
        m,
        l = [],
        j,
        i,
        n = [],
        o,
        p = [],
        k,
        s,
        K = [],
        C,
        Q,
        O = [],
        w = { objects: [], sprites: [], lights: [], elements: [] },
        F = new THREE.Vector3(),
        z = new THREE.Vector4(),
        D = new THREE.Matrix4(),
        u = new THREE.Matrix4(),
        r = [new THREE.Vector4(), new THREE.Vector4(), new THREE.Vector4(), new THREE.Vector4(), new THREE.Vector4(), new THREE.Vector4()],
        E = new THREE.Vector4(),
        N = new THREE.Vector4();
    this.computeFrustum = function (a) {
        r[0].set(a.n41 - a.n11, a.n42 - a.n12, a.n43 - a.n13, a.n44 - a.n14);
        r[1].set(a.n41 + a.n11, a.n42 + a.n12, a.n43 + a.n13, a.n44 + a.n14);
        r[2].set(a.n41 + a.n21, a.n42 + a.n22, a.n43 + a.n23, a.n44 + a.n24);
        r[3].set(a.n41 - a.n21, a.n42 - a.n22, a.n43 - a.n23, a.n44 - a.n24);
        r[4].set(a.n41 - a.n31, a.n42 - a.n32, a.n43 - a.n33, a.n44 - a.n34);
        r[5].set(a.n41 + a.n31, a.n42 + a.n32, a.n43 + a.n33, a.n44 + a.n34);
        for (a = 0; a < 6; a++) {
            var b = r[a];
            b.divideScalar(Math.sqrt(b.x * b.x + b.y * b.y + b.z * b.z));
        }
    };
    this.projectVector = function (a, b) {
        b.matrixWorldInverse.getInverse(b.matrixWorld);
        D.multiply(b.projectionMatrix, b.matrixWorldInverse);
        D.multiplyVector3(a);
        return a;
    };
    this.unprojectVector = function (a, b) {
        b.projectionMatrixInverse.getInverse(b.projectionMatrix);
        D.multiply(b.matrixWorld, b.projectionMatrixInverse);
        D.multiplyVector3(a);
        return a;
    };
    this.pickingRay = function (a, b) {
        var c;
        a.z = -1;
        c = new THREE.Vector3(a.x, a.y, 1);
        this.unprojectVector(a, b);
        this.unprojectVector(c, b);
        c.subSelf(a).normalize();
        return new THREE.Ray(a, c);
    };
    this.projectGraph = function (b, d) {
        e = 0;
        w.objects.length = 0;
        w.sprites.length = 0;
        w.lights.length = 0;
        var g = function (b) {
            if (b.visible !== !1) {
                var c;
                if ((c = b instanceof THREE.Mesh || b instanceof THREE.Line))
                    if (!(c = b.frustumCulled === !1))
                        a: {
                            for (var d = b.matrixWorld, e = -b.geometry.boundingSphere.radius * Math.max(b.scale.x, Math.max(b.scale.y, b.scale.z)), h = 0; h < 6; h++)
                                if (((c = r[h].x * d.n14 + r[h].y * d.n24 + r[h].z * d.n34 + r[h].w), c <= e)) {
                                    c = !1;
                                    break a;
                                }
                            c = !0;
                        }
                c
                    ? (D.multiplyVector3(F.copy(b.position)), (f = a()), (f.object = b), (f.z = F.z), w.objects.push(f))
                    : b instanceof THREE.Sprite || b instanceof THREE.Particle
                    ? (D.multiplyVector3(F.copy(b.position)), (f = a()), (f.object = b), (f.z = F.z), w.sprites.push(f))
                    : b instanceof THREE.Light && w.lights.push(b);
                c = 0;
                for (d = b.children.length; c < d; c++) g(b.children[c]);
            }
        };
        g(b);
        d && w.objects.sort(c);
        return w;
    };
    this.projectScene = function (a, e, f) {
        var g = e.near,
            r = e.far,
            F,
            L,
            B,
            S,
            v,
            R,
            P,
            V,
            J,
            t,
            A,
            x,
            y,
            M,
            la,
            fa;
        Q = s = o = i = 0;
        w.elements.length = 0;
        e.parent === void 0 && (console.warn("DEPRECATED: Camera hasn't been added to a Scene. Adding it..."), a.add(e));
        a.updateMatrixWorld();
        e.matrixWorldInverse.getInverse(e.matrixWorld);
        D.multiply(e.projectionMatrix, e.matrixWorldInverse);
        this.computeFrustum(D);
        w = this.projectGraph(a, !1);
        a = 0;
        for (F = w.objects.length; a < F; a++)
            if (((J = w.objects[a].object), (t = J.matrixWorld), (x = J.material), (m = 0), J instanceof THREE.Mesh)) {
                A = J.geometry;
                y = J.geometry.materials;
                S = A.vertices;
                M = A.faces;
                la = A.faceVertexUvs;
                A = J.matrixRotationWorld.extractRotation(t);
                L = 0;
                for (B = S.length; L < B; L++)
                    (h = b()),
                        h.positionWorld.copy(S[L].position),
                        t.multiplyVector3(h.positionWorld),
                        h.positionScreen.copy(h.positionWorld),
                        D.multiplyVector4(h.positionScreen),
                        (h.positionScreen.x /= h.positionScreen.w),
                        (h.positionScreen.y /= h.positionScreen.w),
                        (h.visible = h.positionScreen.z > g && h.positionScreen.z < r);
                S = 0;
                for (L = M.length; S < L; S++) {
                    B = M[S];
                    if (B instanceof THREE.Face3)
                        if (
                            ((v = l[B.a]),
                            (R = l[B.b]),
                            (P = l[B.c]),
                            v.visible &&
                                R.visible &&
                                P.visible &&
                                (J.doubleSided ||
                                    J.flipSided != (P.positionScreen.x - v.positionScreen.x) * (R.positionScreen.y - v.positionScreen.y) - (P.positionScreen.y - v.positionScreen.y) * (R.positionScreen.x - v.positionScreen.x) < 0))
                        )
                            (V = n[i] = n[i] || new THREE.RenderableFace3()), i++, (j = V), j.v1.copy(v), j.v2.copy(R), j.v3.copy(P);
                        else continue;
                    else if (B instanceof THREE.Face4)
                        if (
                            ((v = l[B.a]),
                            (R = l[B.b]),
                            (P = l[B.c]),
                            (V = l[B.d]),
                            v.visible &&
                                R.visible &&
                                P.visible &&
                                V.visible &&
                                (J.doubleSided ||
                                    J.flipSided !=
                                        ((V.positionScreen.x - v.positionScreen.x) * (R.positionScreen.y - v.positionScreen.y) - (V.positionScreen.y - v.positionScreen.y) * (R.positionScreen.x - v.positionScreen.x) < 0 ||
                                            (R.positionScreen.x - P.positionScreen.x) * (V.positionScreen.y - P.positionScreen.y) - (R.positionScreen.y - P.positionScreen.y) * (V.positionScreen.x - P.positionScreen.x) < 0)))
                        )
                            (fa = p[o] = p[o] || new THREE.RenderableFace4()), o++, (j = fa), j.v1.copy(v), j.v2.copy(R), j.v3.copy(P), j.v4.copy(V);
                        else continue;
                    j.normalWorld.copy(B.normal);
                    A.multiplyVector3(j.normalWorld);
                    j.centroidWorld.copy(B.centroid);
                    t.multiplyVector3(j.centroidWorld);
                    j.centroidScreen.copy(j.centroidWorld);
                    D.multiplyVector3(j.centroidScreen);
                    P = B.vertexNormals;
                    v = 0;
                    for (R = P.length; v < R; v++) (V = j.vertexNormalsWorld[v]), V.copy(P[v]), A.multiplyVector3(V);
                    v = 0;
                    for (R = la.length; v < R; v++)
                        if ((fa = la[v][S])) {
                            P = 0;
                            for (V = fa.length; P < V; P++) j.uvs[v][P] = fa[P];
                        }
                    j.material = x;
                    j.faceMaterial = B.materialIndex !== null ? y[B.materialIndex] : null;
                    j.z = j.centroidScreen.z;
                    w.elements.push(j);
                }
            } else if (J instanceof THREE.Line) {
                u.multiply(D, t);
                S = J.geometry.vertices;
                v = b();
                v.positionScreen.copy(S[0].position);
                u.multiplyVector4(v.positionScreen);
                L = 1;
                for (B = S.length; L < B; L++)
                    if (((v = b()), v.positionScreen.copy(S[L].position), u.multiplyVector4(v.positionScreen), (R = l[m - 2]), E.copy(v.positionScreen), N.copy(R.positionScreen), d(E, N)))
                        E.multiplyScalar(1 / E.w),
                            N.multiplyScalar(1 / N.w),
                            (J = K[s] = K[s] || new THREE.RenderableLine()),
                            s++,
                            (k = J),
                            k.v1.positionScreen.copy(E),
                            k.v2.positionScreen.copy(N),
                            (k.z = Math.max(E.z, N.z)),
                            (k.material = x),
                            w.elements.push(k);
            }
        a = 0;
        for (F = w.sprites.length; a < F; a++)
            if (((J = w.sprites[a].object), (t = J.matrixWorld), J instanceof THREE.Particle && (z.set(t.n14, t.n24, t.n34, 1), D.multiplyVector4(z), (z.z /= z.w), z.z > 0 && z.z < 1)))
                (g = O[Q] = O[Q] || new THREE.RenderableParticle()),
                    Q++,
                    (C = g),
                    (C.x = z.x / z.w),
                    (C.y = z.y / z.w),
                    (C.z = z.z),
                    (C.rotation = J.rotation.z),
                    (C.scale.x = J.scale.x * Math.abs(C.x - (z.x + e.projectionMatrix.n11) / (z.w + e.projectionMatrix.n14))),
                    (C.scale.y = J.scale.y * Math.abs(C.y - (z.y + e.projectionMatrix.n22) / (z.w + e.projectionMatrix.n24))),
                    (C.material = J.material),
                    w.elements.push(C);
        f && w.elements.sort(c);
        return w;
    };
};
THREE.Quaternion = function (a, b, c, d) {
    this.set(a || 0, b || 0, c || 0, d !== void 0 ? d : 1);
};
THREE.Quaternion.prototype = {
    constructor: THREE.Quaternion,
    set: function (a, b, c, d) {
        this.x = a;
        this.y = b;
        this.z = c;
        this.w = d;
        return this;
    },
    copy: function (a) {
        this.x = a.x;
        this.y = a.y;
        this.z = a.z;
        this.w = a.w;
        return this;
    },
    setFromEuler: function (a) {
        var b = Math.PI / 360,
            c = a.x * b,
            d = a.y * b,
            f = a.z * b,
            a = Math.cos(d),
            d = Math.sin(d),
            b = Math.cos(-f),
            f = Math.sin(-f),
            e = Math.cos(c),
            c = Math.sin(c),
            g = a * b,
            h = d * f;
        this.w = g * e - h * c;
        this.x = g * c + h * e;
        this.y = d * b * e + a * f * c;
        this.z = a * f * e - d * b * c;
        return this;
    },
    setFromAxisAngle: function (a, b) {
        var c = b / 2,
            d = Math.sin(c);
        this.x = a.x * d;
        this.y = a.y * d;
        this.z = a.z * d;
        this.w = Math.cos(c);
        return this;
    },
    setFromRotationMatrix: function (a) {
        var b = Math.pow(a.determinant(), 1 / 3);
        this.w = Math.sqrt(Math.max(0, b + a.n11 + a.n22 + a.n33)) / 2;
        this.x = Math.sqrt(Math.max(0, b + a.n11 - a.n22 - a.n33)) / 2;
        this.y = Math.sqrt(Math.max(0, b - a.n11 + a.n22 - a.n33)) / 2;
        this.z = Math.sqrt(Math.max(0, b - a.n11 - a.n22 + a.n33)) / 2;
        this.x = a.n32 - a.n23 < 0 ? -Math.abs(this.x) : Math.abs(this.x);
        this.y = a.n13 - a.n31 < 0 ? -Math.abs(this.y) : Math.abs(this.y);
        this.z = a.n21 - a.n12 < 0 ? -Math.abs(this.z) : Math.abs(this.z);
        this.normalize();
        return this;
    },
    calculateW: function () {
        this.w = -Math.sqrt(Math.abs(1 - this.x * this.x - this.y * this.y - this.z * this.z));
        return this;
    },
    inverse: function () {
        this.x *= -1;
        this.y *= -1;
        this.z *= -1;
        return this;
    },
    length: function () {
        return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
    },
    normalize: function () {
        var a = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
        a === 0 ? (this.w = this.z = this.y = this.x = 0) : ((a = 1 / a), (this.x *= a), (this.y *= a), (this.z *= a), (this.w *= a));
        return this;
    },
    multiplySelf: function (a) {
        var b = this.x,
            c = this.y,
            d = this.z,
            f = this.w,
            e = a.x,
            g = a.y,
            h = a.z,
            a = a.w;
        this.x = b * a + f * e + c * h - d * g;
        this.y = c * a + f * g + d * e - b * h;
        this.z = d * a + f * h + b * g - c * e;
        this.w = f * a - b * e - c * g - d * h;
        return this;
    },
    multiply: function (a, b) {
        this.x = a.x * b.w + a.y * b.z - a.z * b.y + a.w * b.x;
        this.y = -a.x * b.z + a.y * b.w + a.z * b.x + a.w * b.y;
        this.z = a.x * b.y - a.y * b.x + a.z * b.w + a.w * b.z;
        this.w = -a.x * b.x - a.y * b.y - a.z * b.z + a.w * b.w;
        return this;
    },
    multiplyVector3: function (a, b) {
        b || (b = a);
        var c = a.x,
            d = a.y,
            f = a.z,
            e = this.x,
            g = this.y,
            h = this.z,
            m = this.w,
            l = m * c + g * f - h * d,
            j = m * d + h * c - e * f,
            i = m * f + e * d - g * c,
            c = -e * c - g * d - h * f;
        b.x = l * m + c * -e + j * -h - i * -g;
        b.y = j * m + c * -g + i * -e - l * -h;
        b.z = i * m + c * -h + l * -g - j * -e;
        return b;
    },
};
THREE.Quaternion.slerp = function (a, b, c, d) {
    var f = a.w * b.w + a.x * b.x + a.y * b.y + a.z * b.z;
    f < 0 ? ((c.w = -b.w), (c.x = -b.x), (c.y = -b.y), (c.z = -b.z), (f = -f)) : c.copy(b);
    if (Math.abs(f) >= 1) return (c.w = a.w), (c.x = a.x), (c.y = a.y), (c.z = a.z), c;
    var e = Math.acos(f),
        f = Math.sqrt(1 - f * f);
    if (Math.abs(f) < 0.001) return (c.w = 0.5 * (a.w + b.w)), (c.x = 0.5 * (a.x + b.x)), (c.y = 0.5 * (a.y + b.y)), (c.z = 0.5 * (a.z + b.z)), c;
    b = Math.sin((1 - d) * e) / f;
    d = Math.sin(d * e) / f;
    c.w = a.w * b + c.w * d;
    c.x = a.x * b + c.x * d;
    c.y = a.y * b + c.y * d;
    c.z = a.z * b + c.z * d;
    return c;
};
THREE.Vertex = function (a) {
    this.position = a || new THREE.Vector3();
};
THREE.Face3 = function (a, b, c, d, f, e) {
    this.a = a;
    this.b = b;
    this.c = c;
    this.normal = d instanceof THREE.Vector3 ? d : new THREE.Vector3();
    this.vertexNormals = d instanceof Array ? d : [];
    this.color = f instanceof THREE.Color ? f : new THREE.Color();
    this.vertexColors = f instanceof Array ? f : [];
    this.vertexTangents = [];
    this.materialIndex = e;
    this.centroid = new THREE.Vector3();
};
THREE.Face4 = function (a, b, c, d, f, e, g) {
    this.a = a;
    this.b = b;
    this.c = c;
    this.d = d;
    this.normal = f instanceof THREE.Vector3 ? f : new THREE.Vector3();
    this.vertexNormals = f instanceof Array ? f : [];
    this.color = e instanceof THREE.Color ? e : new THREE.Color();
    this.vertexColors = e instanceof Array ? e : [];
    this.vertexTangents = [];
    this.materialIndex = g;
    this.centroid = new THREE.Vector3();
};
THREE.UV = function (a, b) {
    this.u = a || 0;
    this.v = b || 0;
};
THREE.UV.prototype = {
    constructor: THREE.UV,
    set: function (a, b) {
        this.u = a;
        this.v = b;
        return this;
    },
    copy: function (a) {
        this.u = a.u;
        this.v = a.v;
        return this;
    },
    clone: function () {
        return new THREE.UV(this.u, this.v);
    },
};
THREE.Geometry = function () {
    this.id = THREE.GeometryCount++;
    this.vertices = [];
    this.colors = [];
    this.materials = [];
    this.faces = [];
    this.faceUvs = [[]];
    this.faceVertexUvs = [[]];
    this.morphTargets = [];
    this.morphColors = [];
    this.skinWeights = [];
    this.skinIndices = [];
    this.boundingSphere = this.boundingBox = null;
    this.dynamic = this.hasTangents = !1;
};
THREE.Geometry.prototype = {
    constructor: THREE.Geometry,
    applyMatrix: function (a) {
        var b = new THREE.Matrix4();
        b.extractRotation(a, new THREE.Vector3(1, 1, 1));
        for (var c = 0, d = this.vertices.length; c < d; c++) a.multiplyVector3(this.vertices[c].position);
        c = 0;
        for (d = this.faces.length; c < d; c++) {
            var f = this.faces[c];
            b.multiplyVector3(f.normal);
            for (var e = 0, g = f.vertexNormals.length; e < g; e++) b.multiplyVector3(f.vertexNormals[e]);
            a.multiplyVector3(f.centroid);
        }
    },
    computeCentroids: function () {
        var a, b, c;
        a = 0;
        for (b = this.faces.length; a < b; a++)
            (c = this.faces[a]),
                c.centroid.set(0, 0, 0),
                c instanceof THREE.Face3
                    ? (c.centroid.addSelf(this.vertices[c.a].position), c.centroid.addSelf(this.vertices[c.b].position), c.centroid.addSelf(this.vertices[c.c].position), c.centroid.divideScalar(3))
                    : c instanceof THREE.Face4 &&
                      (c.centroid.addSelf(this.vertices[c.a].position),
                      c.centroid.addSelf(this.vertices[c.b].position),
                      c.centroid.addSelf(this.vertices[c.c].position),
                      c.centroid.addSelf(this.vertices[c.d].position),
                      c.centroid.divideScalar(4));
    },
    computeFaceNormals: function () {
        var a,
            b,
            c,
            d,
            f,
            e,
            g = new THREE.Vector3(),
            h = new THREE.Vector3();
        a = 0;
        for (b = this.faces.length; a < b; a++)
            (c = this.faces[a]), (d = this.vertices[c.a]), (f = this.vertices[c.b]), (e = this.vertices[c.c]), g.sub(e.position, f.position), h.sub(d.position, f.position), g.crossSelf(h), g.isZero() || g.normalize(), c.normal.copy(g);
    },
    computeVertexNormals: function () {
        var a, b, c, d;
        if (this.__tmpVertices === void 0) {
            d = this.__tmpVertices = Array(this.vertices.length);
            a = 0;
            for (b = this.vertices.length; a < b; a++) d[a] = new THREE.Vector3();
            a = 0;
            for (b = this.faces.length; a < b; a++)
                if (((c = this.faces[a]), c instanceof THREE.Face3)) c.vertexNormals = [new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3()];
                else if (c instanceof THREE.Face4) c.vertexNormals = [new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3()];
        } else {
            d = this.__tmpVertices;
            a = 0;
            for (b = this.vertices.length; a < b; a++) d[a].set(0, 0, 0);
        }
        a = 0;
        for (b = this.faces.length; a < b; a++)
            (c = this.faces[a]),
                c instanceof THREE.Face3
                    ? (d[c.a].addSelf(c.normal), d[c.b].addSelf(c.normal), d[c.c].addSelf(c.normal))
                    : c instanceof THREE.Face4 && (d[c.a].addSelf(c.normal), d[c.b].addSelf(c.normal), d[c.c].addSelf(c.normal), d[c.d].addSelf(c.normal));
        a = 0;
        for (b = this.vertices.length; a < b; a++) d[a].normalize();
        a = 0;
        for (b = this.faces.length; a < b; a++)
            (c = this.faces[a]),
                c instanceof THREE.Face3
                    ? (c.vertexNormals[0].copy(d[c.a]), c.vertexNormals[1].copy(d[c.b]), c.vertexNormals[2].copy(d[c.c]))
                    : c instanceof THREE.Face4 && (c.vertexNormals[0].copy(d[c.a]), c.vertexNormals[1].copy(d[c.b]), c.vertexNormals[2].copy(d[c.c]), c.vertexNormals[3].copy(d[c.d]));
    },
    computeTangents: function () {
        function a(a, b, c, d, e, f, D) {
            h = a.vertices[b].position;
            m = a.vertices[c].position;
            l = a.vertices[d].position;
            j = g[e];
            i = g[f];
            n = g[D];
            o = m.x - h.x;
            p = l.x - h.x;
            k = m.y - h.y;
            s = l.y - h.y;
            K = m.z - h.z;
            C = l.z - h.z;
            Q = i.u - j.u;
            O = n.u - j.u;
            w = i.v - j.v;
            F = n.v - j.v;
            z = 1 / (Q * F - O * w);
            E.set((F * o - w * p) * z, (F * k - w * s) * z, (F * K - w * C) * z);
            N.set((Q * p - O * o) * z, (Q * s - O * k) * z, (Q * C - O * K) * z);
            u[b].addSelf(E);
            u[c].addSelf(E);
            u[d].addSelf(E);
            r[b].addSelf(N);
            r[c].addSelf(N);
            r[d].addSelf(N);
        }
        var b,
            c,
            d,
            f,
            e,
            g,
            h,
            m,
            l,
            j,
            i,
            n,
            o,
            p,
            k,
            s,
            K,
            C,
            Q,
            O,
            w,
            F,
            z,
            D,
            u = [],
            r = [],
            E = new THREE.Vector3(),
            N = new THREE.Vector3(),
            W = new THREE.Vector3(),
            da = new THREE.Vector3(),
            G = new THREE.Vector3();
        b = 0;
        for (c = this.vertices.length; b < c; b++) (u[b] = new THREE.Vector3()), (r[b] = new THREE.Vector3());
        b = 0;
        for (c = this.faces.length; b < c; b++)
            (e = this.faces[b]), (g = this.faceVertexUvs[0][b]), e instanceof THREE.Face3 ? a(this, e.a, e.b, e.c, 0, 1, 2) : e instanceof THREE.Face4 && (a(this, e.a, e.b, e.c, 0, 1, 2), a(this, e.a, e.b, e.d, 0, 1, 3));
        var H = ["a", "b", "c", "d"];
        b = 0;
        for (c = this.faces.length; b < c; b++) {
            e = this.faces[b];
            for (d = 0; d < e.vertexNormals.length; d++)
                G.copy(e.vertexNormals[d]),
                    (f = e[H[d]]),
                    (D = u[f]),
                    W.copy(D),
                    W.subSelf(G.multiplyScalar(G.dot(D))).normalize(),
                    da.cross(e.vertexNormals[d], D),
                    (f = da.dot(r[f])),
                    (f = f < 0 ? -1 : 1),
                    (e.vertexTangents[d] = new THREE.Vector4(W.x, W.y, W.z, f));
        }
        this.hasTangents = !0;
    },
    computeBoundingBox: function () {
        var a;
        if (this.vertices.length > 0) {
            this.boundingBox = { x: [this.vertices[0].position.x, this.vertices[0].position.x], y: [this.vertices[0].position.y, this.vertices[0].position.y], z: [this.vertices[0].position.z, this.vertices[0].position.z] };
            for (var b = 1, c = this.vertices.length; b < c; b++) {
                a = this.vertices[b];
                if (a.position.x < this.boundingBox.x[0]) this.boundingBox.x[0] = a.position.x;
                else if (a.position.x > this.boundingBox.x[1]) this.boundingBox.x[1] = a.position.x;
                if (a.position.y < this.boundingBox.y[0]) this.boundingBox.y[0] = a.position.y;
                else if (a.position.y > this.boundingBox.y[1]) this.boundingBox.y[1] = a.position.y;
                if (a.position.z < this.boundingBox.z[0]) this.boundingBox.z[0] = a.position.z;
                else if (a.position.z > this.boundingBox.z[1]) this.boundingBox.z[1] = a.position.z;
            }
        }
    },
    computeBoundingSphere: function () {
        for (var a = 0, b = 0, c = this.vertices.length; b < c; b++) a = Math.max(a, this.vertices[b].position.length());
        this.boundingSphere = { radius: a };
    },
    mergeVertices: function () {
        var a = {},
            b = [],
            c = [],
            d,
            f = Math.pow(10, 4),
            e,
            g;
        e = 0;
        for (g = this.vertices.length; e < g; e++)
            (d = this.vertices[e].position), (d = [Math.round(d.x * f), Math.round(d.y * f), Math.round(d.z * f)].join("_")), a[d] === void 0 ? ((a[d] = e), b.push(this.vertices[e]), (c[e] = b.length - 1)) : (c[e] = c[a[d]]);
        e = 0;
        for (g = this.faces.length; e < g; e++)
            if (((a = this.faces[e]), a instanceof THREE.Face3)) (a.a = c[a.a]), (a.b = c[a.b]), (a.c = c[a.c]);
            else if (a instanceof THREE.Face4) (a.a = c[a.a]), (a.b = c[a.b]), (a.c = c[a.c]), (a.d = c[a.d]);
        this.vertices = b;
    },
};
THREE.GeometryCount = 0;
THREE.Camera = function () {
    if (arguments.length) return console.warn("DEPRECATED: Camera() is now PerspectiveCamera() or OrthographicCamera()."), new THREE.PerspectiveCamera(arguments[0], arguments[1], arguments[2], arguments[3]);
    THREE.Object3D.call(this);
    this.matrixWorldInverse = new THREE.Matrix4();
    this.projectionMatrix = new THREE.Matrix4();
    this.projectionMatrixInverse = new THREE.Matrix4();
};
THREE.Camera.prototype = new THREE.Object3D();
THREE.Camera.prototype.constructor = THREE.Camera;
THREE.Camera.prototype.lookAt = function (a) {
    this.matrix.lookAt(this.position, a, this.up);
    this.rotationAutoUpdate && this.rotation.setRotationFromMatrix(this.matrix);
};
THREE.OrthographicCamera = function (a, b, c, d, f, e) {
    THREE.Camera.call(this);
    this.left = a;
    this.right = b;
    this.top = c;
    this.bottom = d;
    this.near = f !== void 0 ? f : 0.1;
    this.far = e !== void 0 ? e : 2e3;
    this.updateProjectionMatrix();
};
THREE.OrthographicCamera.prototype = new THREE.Camera();
THREE.OrthographicCamera.prototype.constructor = THREE.OrthographicCamera;
THREE.OrthographicCamera.prototype.updateProjectionMatrix = function () {
    this.projectionMatrix = THREE.Matrix4.makeOrtho(this.left, this.right, this.top, this.bottom, this.near, this.far);
};
THREE.PerspectiveCamera = function (a, b, c, d) {
    THREE.Camera.call(this);
    this.fov = a !== void 0 ? a : 50;
    this.aspect = b !== void 0 ? b : 1;
    this.near = c !== void 0 ? c : 0.1;
    this.far = d !== void 0 ? d : 2e3;
    this.updateProjectionMatrix();
};
THREE.PerspectiveCamera.prototype = new THREE.Camera();
THREE.PerspectiveCamera.prototype.constructor = THREE.PerspectiveCamera;
THREE.PerspectiveCamera.prototype.setLens = function (a, b) {
    this.fov = 2 * Math.atan((b !== void 0 ? b : 43.25) / (a * 2));
    this.fov *= 180 / Math.PI;
    this.updateProjectionMatrix();
};
THREE.PerspectiveCamera.prototype.setViewOffset = function (a, b, c, d, f, e) {
    this.fullWidth = a;
    this.fullHeight = b;
    this.x = c;
    this.y = d;
    this.width = f;
    this.height = e;
    this.updateProjectionMatrix();
};
THREE.PerspectiveCamera.prototype.updateProjectionMatrix = function () {
    if (this.fullWidth) {
        var a = this.fullWidth / this.fullHeight,
            b = Math.tan((this.fov * Math.PI) / 360) * this.near,
            c = -b,
            d = a * c,
            a = Math.abs(a * b - d),
            c = Math.abs(b - c);
        this.projectionMatrix = THREE.Matrix4.makeFrustum(
            d + (this.x * a) / this.fullWidth,
            d + ((this.x + this.width) * a) / this.fullWidth,
            b - ((this.y + this.height) * c) / this.fullHeight,
            b - (this.y * c) / this.fullHeight,
            this.near,
            this.far
        );
    } else this.projectionMatrix = THREE.Matrix4.makePerspective(this.fov, this.aspect, this.near, this.far);
};
THREE.Light = function (a) {
    THREE.Object3D.call(this);
    this.color = new THREE.Color(a);
};
THREE.Light.prototype = new THREE.Object3D();
THREE.Light.prototype.constructor = THREE.Light;
THREE.Light.prototype.supr = THREE.Object3D.prototype;
THREE.AmbientLight = function (a) {
    THREE.Light.call(this, a);
};
THREE.AmbientLight.prototype = new THREE.Light();
THREE.AmbientLight.prototype.constructor = THREE.AmbientLight;
THREE.DirectionalLight = function (a, b, c) {
    THREE.Light.call(this, a);
    this.position = new THREE.Vector3(0, 1, 0);
    this.intensity = b !== void 0 ? b : 1;
    this.distance = c !== void 0 ? c : 0;
};
THREE.DirectionalLight.prototype = new THREE.Light();
THREE.DirectionalLight.prototype.constructor = THREE.DirectionalLight;
THREE.PointLight = function (a, b, c) {
    THREE.Light.call(this, a);
    this.position = new THREE.Vector3(0, 0, 0);
    this.intensity = b !== void 0 ? b : 1;
    this.distance = c !== void 0 ? c : 0;
};
THREE.PointLight.prototype = new THREE.Light();
THREE.PointLight.prototype.constructor = THREE.PointLight;
THREE.Material = function (a) {
    this.name = "";
    this.id = THREE.MaterialCount++;
    a = a || {};
    this.opacity = a.opacity !== void 0 ? a.opacity : 1;
    this.transparent = a.transparent !== void 0 ? a.transparent : !1;
    this.blending = a.blending !== void 0 ? a.blending : THREE.NormalBlending;
    this.depthTest = a.depthTest !== void 0 ? a.depthTest : !0;
    this.depthWrite = a.depthWrite !== void 0 ? a.depthWrite : !0;
    this.polygonOffset = a.polygonOffset !== void 0 ? a.polygonOffset : !1;
    this.polygonOffsetFactor = a.polygonOffsetFactor !== void 0 ? a.polygonOffsetFactor : 0;
    this.polygonOffsetUnits = a.polygonOffsetUnits !== void 0 ? a.polygonOffsetUnits : 0;
    this.alphaTest = a.alphaTest !== void 0 ? a.alphaTest : 0;
    this.overdraw = a.overdraw !== void 0 ? a.overdraw : !1;
};
THREE.MaterialCount = 0;
THREE.NoShading = 0;
THREE.FlatShading = 1;
THREE.SmoothShading = 2;
THREE.NoColors = 0;
THREE.FaceColors = 1;
THREE.VertexColors = 2;
THREE.NormalBlending = 0;
THREE.AdditiveBlending = 1;
THREE.SubtractiveBlending = 2;
THREE.MultiplyBlending = 3;
THREE.AdditiveAlphaBlending = 4;
THREE.LineBasicMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.linewidth = a.linewidth !== void 0 ? a.linewidth : 1;
    this.linecap = a.linecap !== void 0 ? a.linecap : "round";
    this.linejoin = a.linejoin !== void 0 ? a.linejoin : "round";
    this.vertexColors = a.vertexColors ? a.vertexColors : !1;
    this.fog = a.fog !== void 0 ? a.fog : !0;
};
THREE.LineBasicMaterial.prototype = new THREE.Material();
THREE.LineBasicMaterial.prototype.constructor = THREE.LineBasicMaterial;
THREE.MeshBasicMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.map = a.map !== void 0 ? a.map : null;
    this.lightMap = a.lightMap !== void 0 ? a.lightMap : null;
    this.envMap = a.envMap !== void 0 ? a.envMap : null;
    this.combine = a.combine !== void 0 ? a.combine : THREE.MultiplyOperation;
    this.reflectivity = a.reflectivity !== void 0 ? a.reflectivity : 1;
    this.refractionRatio = a.refractionRatio !== void 0 ? a.refractionRatio : 0.98;
    this.fog = a.fog !== void 0 ? a.fog : !0;
    this.shading = a.shading !== void 0 ? a.shading : THREE.SmoothShading;
    this.wireframe = a.wireframe !== void 0 ? a.wireframe : !1;
    this.wireframeLinewidth = a.wireframeLinewidth !== void 0 ? a.wireframeLinewidth : 1;
    this.wireframeLinecap = a.wireframeLinecap !== void 0 ? a.wireframeLinecap : "round";
    this.wireframeLinejoin = a.wireframeLinejoin !== void 0 ? a.wireframeLinejoin : "round";
    this.vertexColors = a.vertexColors !== void 0 ? a.vertexColors : !1;
    this.skinning = a.skinning !== void 0 ? a.skinning : !1;
    this.morphTargets = a.morphTargets !== void 0 ? a.morphTargets : !1;
};
THREE.MeshBasicMaterial.prototype = new THREE.Material();
THREE.MeshBasicMaterial.prototype.constructor = THREE.MeshBasicMaterial;
THREE.MeshLambertMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.ambient = a.ambient !== void 0 ? new THREE.Color(a.ambient) : new THREE.Color(328965);
    this.map = a.map !== void 0 ? a.map : null;
    this.lightMap = a.lightMap !== void 0 ? a.lightMap : null;
    this.envMap = a.envMap !== void 0 ? a.envMap : null;
    this.combine = a.combine !== void 0 ? a.combine : THREE.MultiplyOperation;
    this.reflectivity = a.reflectivity !== void 0 ? a.reflectivity : 1;
    this.refractionRatio = a.refractionRatio !== void 0 ? a.refractionRatio : 0.98;
    this.fog = a.fog !== void 0 ? a.fog : !0;
    this.shading = a.shading !== void 0 ? a.shading : THREE.SmoothShading;
    this.wireframe = a.wireframe !== void 0 ? a.wireframe : !1;
    this.wireframeLinewidth = a.wireframeLinewidth !== void 0 ? a.wireframeLinewidth : 1;
    this.wireframeLinecap = a.wireframeLinecap !== void 0 ? a.wireframeLinecap : "round";
    this.wireframeLinejoin = a.wireframeLinejoin !== void 0 ? a.wireframeLinejoin : "round";
    this.vertexColors = a.vertexColors !== void 0 ? a.vertexColors : !1;
    this.skinning = a.skinning !== void 0 ? a.skinning : !1;
    this.morphTargets = a.morphTargets !== void 0 ? a.morphTargets : !1;
};
THREE.MeshLambertMaterial.prototype = new THREE.Material();
THREE.MeshLambertMaterial.prototype.constructor = THREE.MeshLambertMaterial;
THREE.MeshPhongMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.ambient = a.ambient !== void 0 ? new THREE.Color(a.ambient) : new THREE.Color(328965);
    this.specular = a.specular !== void 0 ? new THREE.Color(a.specular) : new THREE.Color(1118481);
    this.shininess = a.shininess !== void 0 ? a.shininess : 30;
    this.metal = a.metal !== void 0 ? a.metal : !1;
    this.perPixel = a.perPixel !== void 0 ? a.perPixel : !1;
    this.map = a.map !== void 0 ? a.map : null;
    this.lightMap = a.lightMap !== void 0 ? a.lightMap : null;
    this.envMap = a.envMap !== void 0 ? a.envMap : null;
    this.combine = a.combine !== void 0 ? a.combine : THREE.MultiplyOperation;
    this.reflectivity = a.reflectivity !== void 0 ? a.reflectivity : 1;
    this.refractionRatio = a.refractionRatio !== void 0 ? a.refractionRatio : 0.98;
    this.fog = a.fog !== void 0 ? a.fog : !0;
    this.shading = a.shading !== void 0 ? a.shading : THREE.SmoothShading;
    this.wireframe = a.wireframe !== void 0 ? a.wireframe : !1;
    this.wireframeLinewidth = a.wireframeLinewidth !== void 0 ? a.wireframeLinewidth : 1;
    this.wireframeLinecap = a.wireframeLinecap !== void 0 ? a.wireframeLinecap : "round";
    this.wireframeLinejoin = a.wireframeLinejoin !== void 0 ? a.wireframeLinejoin : "round";
    this.vertexColors = a.vertexColors !== void 0 ? a.vertexColors : !1;
    this.skinning = a.skinning !== void 0 ? a.skinning : !1;
    this.morphTargets = a.morphTargets !== void 0 ? a.morphTargets : !1;
};
THREE.MeshPhongMaterial.prototype = new THREE.Material();
THREE.MeshPhongMaterial.prototype.constructor = THREE.MeshPhongMaterial;
THREE.MeshDepthMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.shading = a.shading !== void 0 ? a.shading : THREE.SmoothShading;
    this.wireframe = a.wireframe !== void 0 ? a.wireframe : !1;
    this.wireframeLinewidth = a.wireframeLinewidth !== void 0 ? a.wireframeLinewidth : 1;
};
THREE.MeshDepthMaterial.prototype = new THREE.Material();
THREE.MeshDepthMaterial.prototype.constructor = THREE.MeshDepthMaterial;
THREE.MeshNormalMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.shading = a.shading ? a.shading : THREE.FlatShading;
    this.wireframe = a.wireframe ? a.wireframe : !1;
    this.wireframeLinewidth = a.wireframeLinewidth ? a.wireframeLinewidth : 1;
};
THREE.MeshNormalMaterial.prototype = new THREE.Material();
THREE.MeshNormalMaterial.prototype.constructor = THREE.MeshNormalMaterial;
THREE.MeshFaceMaterial = function () {};
THREE.ParticleBasicMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.map = a.map !== void 0 ? a.map : null;
    this.size = a.size !== void 0 ? a.size : 1;
    this.sizeAttenuation = a.sizeAttenuation !== void 0 ? a.sizeAttenuation : !0;
    this.vertexColors = a.vertexColors !== void 0 ? a.vertexColors : !1;
    this.fog = a.fog !== void 0 ? a.fog : !0;
};
THREE.ParticleBasicMaterial.prototype = new THREE.Material();
THREE.ParticleBasicMaterial.prototype.constructor = THREE.ParticleBasicMaterial;
THREE.ParticleCanvasMaterial = function (a) {
    THREE.Material.call(this, a);
    a = a || {};
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.program = a.program !== void 0 ? a.program : function () {};
};
THREE.ParticleCanvasMaterial.prototype = new THREE.Material();
THREE.ParticleCanvasMaterial.prototype.constructor = THREE.ParticleCanvasMaterial;
THREE.Texture = function (a, b, c, d, f, e) {
    this.id = THREE.TextureCount++;
    this.image = a;
    this.mapping = b !== void 0 ? b : new THREE.UVMapping();
    this.wrapS = c !== void 0 ? c : THREE.ClampToEdgeWrapping;
    this.wrapT = d !== void 0 ? d : THREE.ClampToEdgeWrapping;
    this.magFilter = f !== void 0 ? f : THREE.LinearFilter;
    this.minFilter = e !== void 0 ? e : THREE.LinearMipMapLinearFilter;
    this.offset = new THREE.Vector2(0, 0);
    this.repeat = new THREE.Vector2(1, 1);
    this.needsUpdate = !1;
    this.onUpdate = null;
};
THREE.Texture.prototype = {
    constructor: THREE.Texture,
    clone: function () {
        var a = new THREE.Texture(this.image, this.mapping, this.wrapS, this.wrapT, this.magFilter, this.minFilter);
        a.offset.copy(this.offset);
        a.repeat.copy(this.repeat);
        return a;
    },
};
THREE.TextureCount = 0;
THREE.MultiplyOperation = 0;
THREE.MixOperation = 1;
THREE.CubeReflectionMapping = function () {};
THREE.CubeRefractionMapping = function () {};
THREE.LatitudeReflectionMapping = function () {};
THREE.LatitudeRefractionMapping = function () {};
THREE.SphericalReflectionMapping = function () {};
THREE.SphericalRefractionMapping = function () {};
THREE.UVMapping = function () {};
THREE.RepeatWrapping = 0;
THREE.ClampToEdgeWrapping = 1;
THREE.MirroredRepeatWrapping = 2;
THREE.NearestFilter = 3;
THREE.NearestMipMapNearestFilter = 4;
THREE.NearestMipMapLinearFilter = 5;
THREE.LinearFilter = 6;
THREE.LinearMipMapNearestFilter = 7;
THREE.LinearMipMapLinearFilter = 8;
THREE.ByteType = 9;
THREE.UnsignedByteType = 10;
THREE.ShortType = 11;
THREE.UnsignedShortType = 12;
THREE.IntType = 13;
THREE.UnsignedIntType = 14;
THREE.FloatType = 15;
THREE.AlphaFormat = 16;
THREE.RGBFormat = 17;
THREE.RGBAFormat = 18;
THREE.LuminanceFormat = 19;
THREE.LuminanceAlphaFormat = 20;
THREE.Particle = function (a) {
    THREE.Object3D.call(this);
    this.material = a;
};
THREE.Particle.prototype = new THREE.Object3D();
THREE.Particle.prototype.constructor = THREE.Particle;
THREE.Line = function (a, b, c) {
    THREE.Object3D.call(this);
    this.geometry = a;
    this.material = b;
    this.type = c !== void 0 ? c : THREE.LineStrip;
    this.geometry && (this.geometry.boundingSphere || this.geometry.computeBoundingSphere());
};
THREE.LineStrip = 0;
THREE.LinePieces = 1;
THREE.Line.prototype = new THREE.Object3D();
THREE.Line.prototype.constructor = THREE.Line;
THREE.Mesh = function (a, b) {
    THREE.Object3D.call(this);
    this.geometry = a;
    this.material = b;
    if (b instanceof Array) console.warn("DEPRECATED: Mesh material can no longer be an Array. Using material at index 0..."), (this.material = b[0]);
    if (this.geometry && (this.geometry.boundingSphere || this.geometry.computeBoundingSphere(), (this.boundRadius = a.boundingSphere.radius), this.geometry.morphTargets.length)) {
        this.morphTargetBase = -1;
        this.morphTargetForcedOrder = [];
        this.morphTargetInfluences = [];
        this.morphTargetDictionary = {};
        for (var c = 0; c < this.geometry.morphTargets.length; c++) this.morphTargetInfluences.push(0), (this.morphTargetDictionary[this.geometry.morphTargets[c].name] = c);
    }
};
THREE.Mesh.prototype = new THREE.Object3D();
THREE.Mesh.prototype.constructor = THREE.Mesh;
THREE.Mesh.prototype.supr = THREE.Object3D.prototype;
THREE.Mesh.prototype.getMorphTargetIndexByName = function (a) {
    if (this.morphTargetDictionary[a] !== void 0) return this.morphTargetDictionary[a];
    console.log("THREE.Mesh.getMorphTargetIndexByName: morph target " + a + " does not exist. Returning 0.");
    return 0;
};
THREE.Bone = function (a) {
    THREE.Object3D.call(this);
    this.skin = a;
    this.skinMatrix = new THREE.Matrix4();
};
THREE.Bone.prototype = new THREE.Object3D();
THREE.Bone.prototype.constructor = THREE.Bone;
THREE.Bone.prototype.supr = THREE.Object3D.prototype;
THREE.Bone.prototype.update = function (a, b) {
    this.matrixAutoUpdate && (b |= this.updateMatrix());
    if (b || this.matrixWorldNeedsUpdate) a ? this.skinMatrix.multiply(a, this.matrix) : this.skinMatrix.copy(this.matrix), (this.matrixWorldNeedsUpdate = !1), (b = !0);
    var c,
        d = this.children.length;
    for (c = 0; c < d; c++) this.children[c].update(this.skinMatrix, b);
};
THREE.Sprite = function (a) {
    THREE.Object3D.call(this);
    this.color = a.color !== void 0 ? new THREE.Color(a.color) : new THREE.Color(16777215);
    this.map = a.map instanceof THREE.Texture ? a.map : THREE.ImageUtils.loadTexture(a.map);
    this.blending = a.blending !== void 0 ? a.blending : THREE.NormalBlending;
    this.useScreenCoordinates = a.useScreenCoordinates !== void 0 ? a.useScreenCoordinates : !0;
    this.mergeWith3D = a.mergeWith3D !== void 0 ? a.mergeWith3D : !this.useScreenCoordinates;
    this.affectedByDistance = a.affectedByDistance !== void 0 ? a.affectedByDistance : !this.useScreenCoordinates;
    this.scaleByViewport = a.scaleByViewport !== void 0 ? a.scaleByViewport : !this.affectedByDistance;
    this.alignment = a.alignment instanceof THREE.Vector2 ? a.alignment : THREE.SpriteAlignment.center;
    this.rotation3d = this.rotation;
    this.rotation = 0;
    this.opacity = 1;
    this.uvOffset = new THREE.Vector2(0, 0);
    this.uvScale = new THREE.Vector2(1, 1);
};
THREE.Sprite.prototype = new THREE.Object3D();
THREE.Sprite.prototype.constructor = THREE.Sprite;
THREE.Sprite.prototype.updateMatrix = function () {
    this.matrix.setPosition(this.position);
    this.rotation3d.set(0, 0, this.rotation);
    this.matrix.setRotationFromEuler(this.rotation3d);
    if (this.scale.x !== 1 || this.scale.y !== 1) this.matrix.scale(this.scale), (this.boundRadiusScale = Math.max(this.scale.x, this.scale.y));
    this.matrixWorldNeedsUpdate = !0;
};
THREE.SpriteAlignment = {};
THREE.SpriteAlignment.topLeft = new THREE.Vector2(1, -1);
THREE.SpriteAlignment.topCenter = new THREE.Vector2(0, -1);
THREE.SpriteAlignment.topRight = new THREE.Vector2(-1, -1);
THREE.SpriteAlignment.centerLeft = new THREE.Vector2(1, 0);
THREE.SpriteAlignment.center = new THREE.Vector2(0, 0);
THREE.SpriteAlignment.centerRight = new THREE.Vector2(-1, 0);
THREE.SpriteAlignment.bottomLeft = new THREE.Vector2(1, 1);
THREE.SpriteAlignment.bottomCenter = new THREE.Vector2(0, 1);
THREE.SpriteAlignment.bottomRight = new THREE.Vector2(-1, 1);
THREE.Scene = function () {
    THREE.Object3D.call(this);
    this.overrideMaterial = this.fog = null;
    this.matrixAutoUpdate = !1;
    this.objects = [];
    this.lights = [];
    this.__objectsAdded = [];
    this.__objectsRemoved = [];
};
THREE.Scene.prototype = new THREE.Object3D();
THREE.Scene.prototype.constructor = THREE.Scene;
THREE.Scene.prototype.addObject = function (a) {
    if (a instanceof THREE.Light) this.lights.indexOf(a) === -1 && this.lights.push(a);
    else if (!(a instanceof THREE.Camera || a instanceof THREE.Bone) && this.objects.indexOf(a) === -1) {
        this.objects.push(a);
        this.__objectsAdded.push(a);
        var b = this.__objectsRemoved.indexOf(a);
        b !== -1 && this.__objectsRemoved.splice(b, 1);
    }
    for (b = 0; b < a.children.length; b++) this.addObject(a.children[b]);
};
THREE.Scene.prototype.removeObject = function (a) {
    if (a instanceof THREE.Light) {
        var b = this.lights.indexOf(a);
        b !== -1 && this.lights.splice(b, 1);
    } else a instanceof THREE.Camera || ((b = this.objects.indexOf(a)), b !== -1 && (this.objects.splice(b, 1), this.__objectsRemoved.push(a), (b = this.__objectsAdded.indexOf(a)), b !== -1 && this.__objectsAdded.splice(b, 1)));
    for (b = 0; b < a.children.length; b++) this.removeObject(a.children[b]);
};
THREE.CanvasRenderer = function (a) {
    function b(a) {
        if (C != a) k.globalAlpha = C = a;
    }
    function c(a) {
        if (Q != a) {
            switch (a) {
                case THREE.NormalBlending:
                    k.globalCompositeOperation = "source-over";
                    break;
                case THREE.AdditiveBlending:
                    k.globalCompositeOperation = "lighter";
                    break;
                case THREE.SubtractiveBlending:
                    k.globalCompositeOperation = "darker";
            }
            Q = a;
        }
    }
    function d(a) {
        if (O != a) k.strokeStyle = O = a;
    }
    function f(a) {
        if (w != a) k.fillStyle = w = a;
    }
    var e = this,
        g,
        h,
        m,
        l = new THREE.Projector(),
        a = a || {},
        j = a.canvas !== void 0 ? a.canvas : document.createElement("canvas"),
        i,
        n,
        o,
        p,
        k = j.getContext("2d"),
        s = new THREE.Color(0),
        K = 0,
        C = 1,
        Q = 0,
        O = null,
        w = null,
        F = null,
        z = null,
        D = null,
        u,
        r,
        E,
        N,
        W = new THREE.RenderableVertex(),
        da = new THREE.RenderableVertex(),
        G,
        H,
        I,
        Y,
        L,
        B,
        S,
        v,
        R,
        P,
        V,
        J,
        t = new THREE.Color(),
        A = new THREE.Color(),
        x = new THREE.Color(),
        y = new THREE.Color(),
        M = new THREE.Color(),
        la = [],
        fa = [],
        ga,
        ha,
        ea,
        aa,
        Ba,
        Ca,
        Da,
        Ea,
        Fa,
        Ga,
        ma = new THREE.Rectangle(),
        Z = new THREE.Rectangle(),
        X = new THREE.Rectangle(),
        ya = !1,
        $ = new THREE.Color(),
        ta = new THREE.Color(),
        ua = new THREE.Color(),
        T = new THREE.Vector3(),
        qa,
        ra,
        za,
        ba,
        sa,
        va,
        a = 16;
    qa = document.createElement("canvas");
    qa.width = qa.height = 2;
    ra = qa.getContext("2d");
    ra.fillStyle = "rgba(0,0,0,1)";
    ra.fillRect(0, 0, 2, 2);
    za = ra.getImageData(0, 0, 2, 2);
    ba = za.data;
    sa = document.createElement("canvas");
    sa.width = sa.height = a;
    va = sa.getContext("2d");
    va.translate(-a / 2, -a / 2);
    va.scale(a, a);
    a--;
    this.domElement = j;
    this.sortElements = this.sortObjects = this.autoClear = !0;
    this.info = { render: { vertices: 0, faces: 0 } };
    this.setSize = function (a, b) {
        i = a;
        n = b;
        o = Math.floor(i / 2);
        p = Math.floor(n / 2);
        j.width = i;
        j.height = n;
        ma.set(-o, -p, o, p);
        Z.set(-o, -p, o, p);
        C = 1;
        Q = 0;
        D = z = F = w = O = null;
    };
    this.setClearColor = function (a, b) {
        s.copy(a);
        K = b;
        Z.set(-o, -p, o, p);
    };
    this.setClearColorHex = function (a, b) {
        s.setHex(a);
        K = b;
        Z.set(-o, -p, o, p);
    };
    this.clear = function () {
        k.setTransform(1, 0, 0, -1, o, p);
        Z.isEmpty() ||
            (Z.minSelf(ma),
            Z.inflate(2),
            K < 1 && k.clearRect(Math.floor(Z.getX()), Math.floor(Z.getY()), Math.floor(Z.getWidth()), Math.floor(Z.getHeight())),
            K > 0 &&
                (c(THREE.NormalBlending),
                b(1),
                f("rgba(" + Math.floor(s.r * 255) + "," + Math.floor(s.g * 255) + "," + Math.floor(s.b * 255) + "," + K + ")"),
                k.fillRect(Math.floor(Z.getX()), Math.floor(Z.getY()), Math.floor(Z.getWidth()), Math.floor(Z.getHeight()))),
            Z.empty());
    };
    this.render = function (a, j) {
        function i(a) {
            var b, c, d, e;
            $.setRGB(0, 0, 0);
            ta.setRGB(0, 0, 0);
            ua.setRGB(0, 0, 0);
            b = 0;
            for (c = a.length; b < c; b++)
                (d = a[b]),
                    (e = d.color),
                    d instanceof THREE.AmbientLight
                        ? (($.r += e.r), ($.g += e.g), ($.b += e.b))
                        : d instanceof THREE.DirectionalLight
                        ? ((ta.r += e.r), (ta.g += e.g), (ta.b += e.b))
                        : d instanceof THREE.PointLight && ((ua.r += e.r), (ua.g += e.g), (ua.b += e.b));
        }
        function n(a, b, c, d) {
            var e, f, g, h, k, j;
            e = 0;
            for (f = a.length; e < f; e++)
                (g = a[e]),
                    (h = g.color),
                    g instanceof THREE.DirectionalLight
                        ? ((k = g.matrixWorld.getPosition()), (j = c.dot(k)), j <= 0 || ((j *= g.intensity), (d.r += h.r * j), (d.g += h.g * j), (d.b += h.b * j)))
                        : g instanceof THREE.PointLight &&
                          ((k = g.matrixWorld.getPosition()),
                          (j = c.dot(T.sub(k, b).normalize())),
                          j <= 0 || ((j *= g.distance == 0 ? 1 : 1 - Math.min(b.distanceTo(k) / g.distance, 1)), j != 0 && ((j *= g.intensity), (d.r += h.r * j), (d.g += h.g * j), (d.b += h.b * j))));
        }
        function s(a, e, g) {
            b(g.opacity);
            c(g.blending);
            var h, j, i, m, q, n;
            if (g instanceof THREE.ParticleBasicMaterial) {
                if (g.map)
                    (m = g.map.image),
                        (q = m.width >> 1),
                        (n = m.height >> 1),
                        (g = e.scale.x * o),
                        (i = e.scale.y * p),
                        (h = g * q),
                        (j = i * n),
                        X.set(a.x - h, a.y - j, a.x + h, a.y + j),
                        ma.intersects(X) && (k.save(), k.translate(a.x, a.y), k.rotate(-e.rotation), k.scale(g, -i), k.translate(-q, -n), k.drawImage(m, 0, 0), k.restore());
            } else
                g instanceof THREE.ParticleCanvasMaterial &&
                    ((h = e.scale.x * o),
                    (j = e.scale.y * p),
                    X.set(a.x - h, a.y - j, a.x + h, a.y + j),
                    ma.intersects(X) && (d(g.color.getContextStyle()), f(g.color.getContextStyle()), k.save(), k.translate(a.x, a.y), k.rotate(-e.rotation), k.scale(h, j), g.program(k), k.restore()));
        }
        function w(a, e, f, g) {
            b(g.opacity);
            c(g.blending);
            k.beginPath();
            k.moveTo(a.positionScreen.x, a.positionScreen.y);
            k.lineTo(e.positionScreen.x, e.positionScreen.y);
            k.closePath();
            if (g instanceof THREE.LineBasicMaterial) {
                a = g.linewidth;
                if (F != a) k.lineWidth = F = a;
                a = g.linecap;
                if (z != a) k.lineCap = z = a;
                a = g.linejoin;
                if (D != a) k.lineJoin = D = a;
                d(g.color.getContextStyle());
                k.stroke();
                X.inflate(g.linewidth * 2);
            }
        }
        function C(a, d, f, g, h, k, i, q) {
            e.info.render.vertices += 3;
            e.info.render.faces++;
            b(q.opacity);
            c(q.blending);
            G = a.positionScreen.x;
            H = a.positionScreen.y;
            I = d.positionScreen.x;
            Y = d.positionScreen.y;
            L = f.positionScreen.x;
            B = f.positionScreen.y;
            K(G, H, I, Y, L, B);
            if (q instanceof THREE.MeshBasicMaterial)
                if (q.map) q.map.mapping instanceof THREE.UVMapping && ((aa = i.uvs[0]), Aa(G, H, I, Y, L, B, aa[g].u, aa[g].v, aa[h].u, aa[h].v, aa[k].u, aa[k].v, q.map));
                else if (q.envMap) {
                    if (q.envMap.mapping instanceof THREE.SphericalReflectionMapping)
                        (a = j.matrixWorldInverse),
                            T.copy(i.vertexNormalsWorld[g]),
                            (Ba = (T.x * a.n11 + T.y * a.n12 + T.z * a.n13) * 0.5 + 0.5),
                            (Ca = -(T.x * a.n21 + T.y * a.n22 + T.z * a.n23) * 0.5 + 0.5),
                            T.copy(i.vertexNormalsWorld[h]),
                            (Da = (T.x * a.n11 + T.y * a.n12 + T.z * a.n13) * 0.5 + 0.5),
                            (Ea = -(T.x * a.n21 + T.y * a.n22 + T.z * a.n23) * 0.5 + 0.5),
                            T.copy(i.vertexNormalsWorld[k]),
                            (Fa = (T.x * a.n11 + T.y * a.n12 + T.z * a.n13) * 0.5 + 0.5),
                            (Ga = -(T.x * a.n21 + T.y * a.n22 + T.z * a.n23) * 0.5 + 0.5),
                            Aa(G, H, I, Y, L, B, Ba, Ca, Da, Ea, Fa, Ga, q.envMap);
                } else q.wireframe ? ja(q.color, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(q.color);
            else if (q instanceof THREE.MeshLambertMaterial)
                q.map && !q.wireframe && (q.map.mapping instanceof THREE.UVMapping && ((aa = i.uvs[0]), Aa(G, H, I, Y, L, B, aa[g].u, aa[g].v, aa[h].u, aa[h].v, aa[k].u, aa[k].v, q.map)), c(THREE.SubtractiveBlending)),
                    ya
                        ? !q.wireframe && q.shading == THREE.SmoothShading && i.vertexNormalsWorld.length == 3
                            ? ((A.r = x.r = y.r = $.r),
                              (A.g = x.g = y.g = $.g),
                              (A.b = x.b = y.b = $.b),
                              n(m, i.v1.positionWorld, i.vertexNormalsWorld[0], A),
                              n(m, i.v2.positionWorld, i.vertexNormalsWorld[1], x),
                              n(m, i.v3.positionWorld, i.vertexNormalsWorld[2], y),
                              (A.r = Math.max(0, Math.min(q.color.r * A.r, 1))),
                              (A.g = Math.max(0, Math.min(q.color.g * A.g, 1))),
                              (A.b = Math.max(0, Math.min(q.color.b * A.b, 1))),
                              (x.r = Math.max(0, Math.min(q.color.r * x.r, 1))),
                              (x.g = Math.max(0, Math.min(q.color.g * x.g, 1))),
                              (x.b = Math.max(0, Math.min(q.color.b * x.b, 1))),
                              (y.r = Math.max(0, Math.min(q.color.r * y.r, 1))),
                              (y.g = Math.max(0, Math.min(q.color.g * y.g, 1))),
                              (y.b = Math.max(0, Math.min(q.color.b * y.b, 1))),
                              (M.r = (x.r + y.r) * 0.5),
                              (M.g = (x.g + y.g) * 0.5),
                              (M.b = (x.b + y.b) * 0.5),
                              (ea = wa(A, x, y, M)),
                              oa(G, H, I, Y, L, B, 0, 0, 1, 0, 0, 1, ea))
                            : ((t.r = $.r),
                              (t.g = $.g),
                              (t.b = $.b),
                              n(m, i.centroidWorld, i.normalWorld, t),
                              (t.r = Math.max(0, Math.min(q.color.r * t.r, 1))),
                              (t.g = Math.max(0, Math.min(q.color.g * t.g, 1))),
                              (t.b = Math.max(0, Math.min(q.color.b * t.b, 1))),
                              q.wireframe ? ja(t, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(t))
                        : q.wireframe
                        ? ja(q.color, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin)
                        : ia(q.color);
            else if (q instanceof THREE.MeshDepthMaterial)
                (ga = j.near),
                    (ha = j.far),
                    (A.r = A.g = A.b = 1 - na(a.positionScreen.z, ga, ha)),
                    (x.r = x.g = x.b = 1 - na(d.positionScreen.z, ga, ha)),
                    (y.r = y.g = y.b = 1 - na(f.positionScreen.z, ga, ha)),
                    (M.r = (x.r + y.r) * 0.5),
                    (M.g = (x.g + y.g) * 0.5),
                    (M.b = (x.b + y.b) * 0.5),
                    (ea = wa(A, x, y, M)),
                    oa(G, H, I, Y, L, B, 0, 0, 1, 0, 0, 1, ea);
            else if (q instanceof THREE.MeshNormalMaterial) (t.r = pa(i.normalWorld.x)), (t.g = pa(i.normalWorld.y)), (t.b = pa(i.normalWorld.z)), q.wireframe ? ja(t, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(t);
        }
        function Q(a, d, f, g, h, k, i, q, o) {
            e.info.render.vertices += 4;
            e.info.render.faces++;
            b(q.opacity);
            c(q.blending);
            if (q.map || q.envMap) C(a, d, g, 0, 1, 3, i, q, o), C(h, f, k, 1, 2, 3, i, q, o);
            else if (
                ((G = a.positionScreen.x),
                (H = a.positionScreen.y),
                (I = d.positionScreen.x),
                (Y = d.positionScreen.y),
                (L = f.positionScreen.x),
                (B = f.positionScreen.y),
                (S = g.positionScreen.x),
                (v = g.positionScreen.y),
                (R = h.positionScreen.x),
                (P = h.positionScreen.y),
                (V = k.positionScreen.x),
                (J = k.positionScreen.y),
                q instanceof THREE.MeshBasicMaterial)
            )
                O(G, H, I, Y, L, B, S, v), q.wireframe ? ja(q.color, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(q.color);
            else if (q instanceof THREE.MeshLambertMaterial)
                ya
                    ? !q.wireframe && q.shading == THREE.SmoothShading && i.vertexNormalsWorld.length == 4
                        ? ((A.r = x.r = y.r = M.r = $.r),
                          (A.g = x.g = y.g = M.g = $.g),
                          (A.b = x.b = y.b = M.b = $.b),
                          n(m, i.v1.positionWorld, i.vertexNormalsWorld[0], A),
                          n(m, i.v2.positionWorld, i.vertexNormalsWorld[1], x),
                          n(m, i.v4.positionWorld, i.vertexNormalsWorld[3], y),
                          n(m, i.v3.positionWorld, i.vertexNormalsWorld[2], M),
                          (A.r = Math.max(0, Math.min(q.color.r * A.r, 1))),
                          (A.g = Math.max(0, Math.min(q.color.g * A.g, 1))),
                          (A.b = Math.max(0, Math.min(q.color.b * A.b, 1))),
                          (x.r = Math.max(0, Math.min(q.color.r * x.r, 1))),
                          (x.g = Math.max(0, Math.min(q.color.g * x.g, 1))),
                          (x.b = Math.max(0, Math.min(q.color.b * x.b, 1))),
                          (y.r = Math.max(0, Math.min(q.color.r * y.r, 1))),
                          (y.g = Math.max(0, Math.min(q.color.g * y.g, 1))),
                          (y.b = Math.max(0, Math.min(q.color.b * y.b, 1))),
                          (M.r = Math.max(0, Math.min(q.color.r * M.r, 1))),
                          (M.g = Math.max(0, Math.min(q.color.g * M.g, 1))),
                          (M.b = Math.max(0, Math.min(q.color.b * M.b, 1))),
                          (ea = wa(A, x, y, M)),
                          K(G, H, I, Y, S, v),
                          oa(G, H, I, Y, S, v, 0, 0, 1, 0, 0, 1, ea),
                          K(R, P, L, B, V, J),
                          oa(R, P, L, B, V, J, 1, 0, 1, 1, 0, 1, ea))
                        : ((t.r = $.r),
                          (t.g = $.g),
                          (t.b = $.b),
                          n(m, i.centroidWorld, i.normalWorld, t),
                          (t.r = Math.max(0, Math.min(q.color.r * t.r, 1))),
                          (t.g = Math.max(0, Math.min(q.color.g * t.g, 1))),
                          (t.b = Math.max(0, Math.min(q.color.b * t.b, 1))),
                          O(G, H, I, Y, L, B, S, v),
                          q.wireframe ? ja(t, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(t))
                    : (O(G, H, I, Y, L, B, S, v), q.wireframe ? ja(q.color, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(q.color));
            else if (q instanceof THREE.MeshNormalMaterial)
                (t.r = pa(i.normalWorld.x)), (t.g = pa(i.normalWorld.y)), (t.b = pa(i.normalWorld.z)), O(G, H, I, Y, L, B, S, v), q.wireframe ? ja(t, q.wireframeLinewidth, q.wireframeLinecap, q.wireframeLinejoin) : ia(t);
            else if (q instanceof THREE.MeshDepthMaterial)
                (ga = j.near),
                    (ha = j.far),
                    (A.r = A.g = A.b = 1 - na(a.positionScreen.z, ga, ha)),
                    (x.r = x.g = x.b = 1 - na(d.positionScreen.z, ga, ha)),
                    (y.r = y.g = y.b = 1 - na(g.positionScreen.z, ga, ha)),
                    (M.r = M.g = M.b = 1 - na(f.positionScreen.z, ga, ha)),
                    (ea = wa(A, x, y, M)),
                    K(G, H, I, Y, S, v),
                    oa(G, H, I, Y, S, v, 0, 0, 1, 0, 0, 1, ea),
                    K(R, P, L, B, V, J),
                    oa(R, P, L, B, V, J, 1, 0, 1, 1, 0, 1, ea);
        }
        function K(a, b, c, d, e, f) {
            k.beginPath();
            k.moveTo(a, b);
            k.lineTo(c, d);
            k.lineTo(e, f);
            k.lineTo(a, b);
            k.closePath();
        }
        function O(a, b, c, d, e, f, g, h) {
            k.beginPath();
            k.moveTo(a, b);
            k.lineTo(c, d);
            k.lineTo(e, f);
            k.lineTo(g, h);
            k.lineTo(a, b);
            k.closePath();
        }
        function ja(a, b, c, e) {
            if (F != b) k.lineWidth = F = b;
            if (z != c) k.lineCap = z = c;
            if (D != e) k.lineJoin = D = e;
            d(a.getContextStyle());
            k.stroke();
            X.inflate(b * 2);
        }
        function ia(a) {
            f(a.getContextStyle());
            k.fill();
        }
        function Aa(a, b, c, d, e, g, h, i, j, m, o, n, l) {
            if (l.image.width != 0) {
                if (l.needsUpdate == !0 || la[l.id] == void 0) {
                    var p = l.wrapS == THREE.RepeatWrapping,
                        r = l.wrapT == THREE.RepeatWrapping;
                    la[l.id] = k.createPattern(l.image, p && r ? "repeat" : p && !r ? "repeat-x" : !p && r ? "repeat-y" : "no-repeat");
                    l.needsUpdate = !1;
                }
                f(la[l.id]);
                var p = l.offset.x / l.repeat.x,
                    r = l.offset.y / l.repeat.y,
                    s = l.image.width * l.repeat.x,
                    u = l.image.height * l.repeat.y,
                    h = (h + p) * s,
                    i = (i + r) * u,
                    j = (j + p) * s,
                    m = (m + r) * u,
                    o = (o + p) * s,
                    n = (n + r) * u;
                c -= a;
                d -= b;
                e -= a;
                g -= b;
                j -= h;
                m -= i;
                o -= h;
                n -= i;
                p = j * n - o * m;
                if (p == 0) {
                    if (fa[l.id] == void 0)
                        (b = document.createElement("canvas")),
                            (b.width = l.image.width),
                            (b.height = l.image.height),
                            (a = b.getContext("2d")),
                            a.drawImage(l.image, 0, 0),
                            (fa[l.id] = a.getImageData(0, 0, l.image.width, l.image.height).data),
                            delete b;
                    b = fa[l.id];
                    h = (Math.floor(h) + Math.floor(i) * l.image.width) * 4;
                    t.setRGB(b[h] / 255, b[h + 1] / 255, b[h + 2] / 255);
                    ia(t);
                } else
                    (p = 1 / p),
                        (l = (n * c - m * e) * p),
                        (m = (n * d - m * g) * p),
                        (c = (j * e - o * c) * p),
                        (d = (j * g - o * d) * p),
                        (a = a - l * h - c * i),
                        (h = b - m * h - d * i),
                        k.save(),
                        k.transform(l, m, c, d, a, h),
                        k.fill(),
                        k.restore();
            }
        }
        function oa(a, b, c, d, e, f, g, h, i, j, l, m, o) {
            var n, p;
            n = o.width - 1;
            p = o.height - 1;
            g *= n;
            h *= p;
            i *= n;
            j *= p;
            l *= n;
            m *= p;
            c -= a;
            d -= b;
            e -= a;
            f -= b;
            i -= g;
            j -= h;
            l -= g;
            m -= h;
            p = 1 / (i * m - l * j);
            n = (m * c - j * e) * p;
            j = (m * d - j * f) * p;
            c = (i * e - l * c) * p;
            d = (i * f - l * d) * p;
            a = a - n * g - c * h;
            b = b - j * g - d * h;
            k.save();
            k.transform(n, j, c, d, a, b);
            k.clip();
            k.drawImage(o, 0, 0);
            k.restore();
        }
        function wa(a, b, c, d) {
            var e = ~~(a.r * 255),
                f = ~~(a.g * 255),
                a = ~~(a.b * 255),
                g = ~~(b.r * 255),
                h = ~~(b.g * 255),
                b = ~~(b.b * 255),
                i = ~~(c.r * 255),
                j = ~~(c.g * 255),
                c = ~~(c.b * 255),
                k = ~~(d.r * 255),
                l = ~~(d.g * 255),
                d = ~~(d.b * 255);
            ba[0] = e < 0 ? 0 : e > 255 ? 255 : e;
            ba[1] = f < 0 ? 0 : f > 255 ? 255 : f;
            ba[2] = a < 0 ? 0 : a > 255 ? 255 : a;
            ba[4] = g < 0 ? 0 : g > 255 ? 255 : g;
            ba[5] = h < 0 ? 0 : h > 255 ? 255 : h;
            ba[6] = b < 0 ? 0 : b > 255 ? 255 : b;
            ba[8] = i < 0 ? 0 : i > 255 ? 255 : i;
            ba[9] = j < 0 ? 0 : j > 255 ? 255 : j;
            ba[10] = c < 0 ? 0 : c > 255 ? 255 : c;
            ba[12] = k < 0 ? 0 : k > 255 ? 255 : k;
            ba[13] = l < 0 ? 0 : l > 255 ? 255 : l;
            ba[14] = d < 0 ? 0 : d > 255 ? 255 : d;
            ra.putImageData(za, 0, 0);
            va.drawImage(qa, 0, 0);
            return sa;
        }
        function na(a, b, c) {
            a = (a - b) / (c - b);
            return a * a * (3 - 2 * a);
        }
        function pa(a) {
            a = (a + 1) * 0.5;
            return a < 0 ? 0 : a > 1 ? 1 : a;
        }
        function ka(a, b) {
            var c = b.x - a.x,
                d = b.y - a.y,
                e = c * c + d * d;
            e != 0 && ((e = 1 / Math.sqrt(e)), (c *= e), (d *= e), (b.x += c), (b.y += d), (a.x -= c), (a.y -= d));
        }
        var xa, Ha, U, ca;
        this.autoClear ? this.clear() : k.setTransform(1, 0, 0, -1, o, p);
        e.info.render.vertices = 0;
        e.info.render.faces = 0;
        g = l.projectScene(a, j, this.sortElements);
        h = g.elements;
        m = g.lights;
        (ya = m.length > 0) && i(m);
        xa = 0;
        for (Ha = h.length; xa < Ha; xa++)
            if (((U = h[xa]), (ca = U.material), (ca = ca instanceof THREE.MeshFaceMaterial ? U.faceMaterial : ca), !(ca == null || ca.opacity == 0))) {
                X.empty();
                if (U instanceof THREE.RenderableParticle) (u = U), (u.x *= o), (u.y *= p), s(u, U, ca, a);
                else if (U instanceof THREE.RenderableLine)
                    (u = U.v1),
                        (r = U.v2),
                        (u.positionScreen.x *= o),
                        (u.positionScreen.y *= p),
                        (r.positionScreen.x *= o),
                        (r.positionScreen.y *= p),
                        X.addPoint(u.positionScreen.x, u.positionScreen.y),
                        X.addPoint(r.positionScreen.x, r.positionScreen.y),
                        ma.intersects(X) && w(u, r, U, ca, a);
                else if (U instanceof THREE.RenderableFace3)
                    (u = U.v1),
                        (r = U.v2),
                        (E = U.v3),
                        (u.positionScreen.x *= o),
                        (u.positionScreen.y *= p),
                        (r.positionScreen.x *= o),
                        (r.positionScreen.y *= p),
                        (E.positionScreen.x *= o),
                        (E.positionScreen.y *= p),
                        ca.overdraw && (ka(u.positionScreen, r.positionScreen), ka(r.positionScreen, E.positionScreen), ka(E.positionScreen, u.positionScreen)),
                        X.add3Points(u.positionScreen.x, u.positionScreen.y, r.positionScreen.x, r.positionScreen.y, E.positionScreen.x, E.positionScreen.y),
                        ma.intersects(X) && C(u, r, E, 0, 1, 2, U, ca, a);
                else if (U instanceof THREE.RenderableFace4)
                    (u = U.v1),
                        (r = U.v2),
                        (E = U.v3),
                        (N = U.v4),
                        (u.positionScreen.x *= o),
                        (u.positionScreen.y *= p),
                        (r.positionScreen.x *= o),
                        (r.positionScreen.y *= p),
                        (E.positionScreen.x *= o),
                        (E.positionScreen.y *= p),
                        (N.positionScreen.x *= o),
                        (N.positionScreen.y *= p),
                        W.positionScreen.copy(r.positionScreen),
                        da.positionScreen.copy(N.positionScreen),
                        ca.overdraw &&
                            (ka(u.positionScreen, r.positionScreen), ka(r.positionScreen, N.positionScreen), ka(N.positionScreen, u.positionScreen), ka(E.positionScreen, W.positionScreen), ka(E.positionScreen, da.positionScreen)),
                        X.addPoint(u.positionScreen.x, u.positionScreen.y),
                        X.addPoint(r.positionScreen.x, r.positionScreen.y),
                        X.addPoint(E.positionScreen.x, E.positionScreen.y),
                        X.addPoint(N.positionScreen.x, N.positionScreen.y),
                        ma.intersects(X) && Q(u, r, E, N, W, da, U, ca, a);
                Z.addRectangle(X);
            }
        k.setTransform(1, 0, 0, 1, 0, 0);
    };
};
THREE.RenderableVertex = function () {
    this.positionWorld = new THREE.Vector3();
    this.positionScreen = new THREE.Vector4();
    this.visible = !0;
};
THREE.RenderableVertex.prototype.copy = function (a) {
    this.positionWorld.copy(a.positionWorld);
    this.positionScreen.copy(a.positionScreen);
};
THREE.RenderableFace3 = function () {
    this.v1 = new THREE.RenderableVertex();
    this.v2 = new THREE.RenderableVertex();
    this.v3 = new THREE.RenderableVertex();
    this.centroidWorld = new THREE.Vector3();
    this.centroidScreen = new THREE.Vector3();
    this.normalWorld = new THREE.Vector3();
    this.vertexNormalsWorld = [new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3()];
    this.faceMaterial = this.material = null;
    this.uvs = [[]];
    this.z = null;
};
THREE.RenderableFace4 = function () {
    this.v1 = new THREE.RenderableVertex();
    this.v2 = new THREE.RenderableVertex();
    this.v3 = new THREE.RenderableVertex();
    this.v4 = new THREE.RenderableVertex();
    this.centroidWorld = new THREE.Vector3();
    this.centroidScreen = new THREE.Vector3();
    this.normalWorld = new THREE.Vector3();
    this.vertexNormalsWorld = [new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3()];
    this.faceMaterial = this.material = null;
    this.uvs = [[]];
    this.z = null;
};
THREE.RenderableObject = function () {
    this.z = this.object = null;
};
THREE.RenderableParticle = function () {
    this.rotation = this.z = this.y = this.x = null;
    this.scale = new THREE.Vector2();
    this.material = null;
};
THREE.RenderableLine = function () {
    this.z = null;
    this.v1 = new THREE.RenderableVertex();
    this.v2 = new THREE.RenderableVertex();
    this.material = null;
};
// Particle3D class
(Particle3D = function (t) {
    THREE.Particle.call(this, t), (this.velocity = new THREE.Vector3(0, -8, 0)), this.velocity.rotateX(randomRange(-45, 45)), this.velocity.rotateY(randomRange(0, 360)), (this.gravity = new THREE.Vector3(0, 0, 0)), (this.drag = 1);
}),
    (Particle3D.prototype = new THREE.Particle()),
    (Particle3D.prototype.constructor = Particle3D),
    (Particle3D.prototype.updatePhysics = function () {
        this.velocity.multiplyScalar(this.drag), this.velocity.addSelf(this.gravity), this.position.addSelf(this.velocity);
    });
var TO_RADIANS = Math.PI / 180;
(THREE.Vector3.prototype.rotateY = function (t) {
    (cosRY = Math.cos(t * TO_RADIANS)), (sinRY = Math.sin(t * TO_RADIANS));
    var i = this.z,
        s = this.x;
    (this.x = s * cosRY + i * sinRY), (this.z = s * -sinRY + i * cosRY);
}),
    (THREE.Vector3.prototype.rotateX = function (t) {
        (cosRY = Math.cos(t * TO_RADIANS)), (sinRY = Math.sin(t * TO_RADIANS));
        var i = this.z,
            s = this.y;
        (this.y = s * cosRY + i * sinRY), (this.z = s * -sinRY + i * cosRY);
    }),
    (THREE.Vector3.prototype.rotateZ = function (t) {
        (cosRY = Math.cos(t * TO_RADIANS)), (sinRY = Math.sin(t * TO_RADIANS));
        var i = this.x,
            s = this.y;
        (this.y = s * cosRY + i * sinRY), (this.x = s * -sinRY + i * cosRY);
    });
// returns a random number between the two limits provided
function randomRange(n, a) {
    return Math.random() * (a - n) + n;
}
//Main
jQuery(document).ready(function ($) {
    $("body").append('<div class="shopifytipsSnowEffect" style="position: fixed;z-index: 9999; top:0; left: 0;right: 0;bottom: 0;pointer-events: none;"></div>');
    var SCREEN_WIDTH = window.innerWidth,
        SCREEN_HEIGHT = window.innerHeight,
        container,
        particle,
        camera,
        scene,
        renderer,
        mouseX = 0,
        mouseY = 0,
        windowHalfX = window.innerWidth / 2,
        windowHalfY = window.innerHeight / 2,
        particles = [],
        particleImage = new Image();
    function snowEffectBind() {
        (container = $(".shopifytipsSnowEffect")),
            ((camera = new THREE.PerspectiveCamera(75, SCREEN_WIDTH / SCREEN_HEIGHT, 1, 1e4)).position.z = 1e3),
            (scene = new THREE.Scene()).add(camera),
            (renderer = new THREE.CanvasRenderer()).setSize(SCREEN_WIDTH, SCREEN_HEIGHT);
        for (var e = new THREE.ParticleBasicMaterial({ map: new THREE.Texture(particleImage) }), n = 0; n < 500; n++)
            ((particle = new Particle3D(e)).position.x = 2e3 * Math.random() - 1e3),
                (particle.position.y = 2e3 * Math.random() - 1e3),
                (particle.position.z = 2e3 * Math.random() - 1e3),
                (particle.scale.x = particle.scale.y = 1),
                scene.add(particle),
                particles.push(particle);
        container.html(renderer.domElement), setInterval(loop, 2e3 / 50);
    }
    function onDocumentMouseMove(e) {
        (mouseX = e.clientX - windowHalfX), (mouseY = e.clientY - windowHalfY);
    }
    function onDocumentTouchStart(e) {
        1 == e.touches.length && (e.preventDefault(), (mouseX = e.touches[0].pageX - windowHalfX), (mouseY = e.touches[0].pageY - windowHalfY));
    }
    function onDocumentTouchMove(e) {
        1 == e.touches.length && (e.preventDefault(), (mouseX = e.touches[0].pageX - windowHalfX), (mouseY = e.touches[0].pageY - windowHalfY));
    }
    function loop() {
        for (var i = 0; i < particles.length; i++) {
            var particle = particles[i];
            with ((particle.updatePhysics(), particle.position)) y < -1e3 && (y += 2e3), x > 1e3 ? (x -= 2e3) : x < -1e3 && (x += 2e3), z > 1e3 ? (z -= 2e3) : z < -1e3 && (z += 2e3);
        }
        (camera.position.x += 0.05 * (mouseX - camera.position.x)), (camera.position.y += 0.05 * (-mouseY - camera.position.y)), camera.lookAt(scene.position), renderer.render(scene, camera);
    }
    (particleImage.src = "https://cdn.shopify.com/s/files/1/0382/4185/files/snow2.png?15818908823886250399"), snowEffectBind();
});

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.