HTML5QQ登录的一篇代码分享-H5教程-PHP中文网

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HTML5QQ登录的一篇代码分享

零下一度

Jun 17, 2017 pm 03:12 PM

h5代码分享登录

<!DOCTYPE html> 
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <title>html5背景</title>
    
    <style type="text/css">
    *{margin:0;padding:0;list-style-type:none;}
    a,img{border:0;}
    </style>
    <script type="text/javascript" src="http://code.jquery.com/jquery-1.8.3.min.js"></script>
</head>
<body>
<div id="container" style="width:100%;height:700px;">
    <div id="anitOut"></div>
</div>
<script type="text/javascript">
$(function () {
    if (!window.ActiveXObject && !!document.createElement("canvas").getContext) {
        $.getScript("http://im-img.qq.com/pcqq/js/200/cav.js?_=1428576021379",
                function () {
                    var t = {
                        width: 1.5,
                        height: 1.5,
                        depth: 10,
                        segments: 12,
                        slices: 6,
                        xRange: 0.8,
                        yRange: 0.1,
                        zRange: 1,
                        ambient: "#525252",
                        diffuse: "#FFFFFF",
                        speed: 0.0002
                    };
                    var G = {
                        count: 2,
                        xyScalar: 1,
                        zOffset: 100,
                        ambient: "#002c4a",
                        diffuse: "#005584",
                        speed: 0.001,
                        gravity: 1200,
                        dampening: 0.95,
                        minLimit: 10,
                        maxLimit: null,
                        minDistance: 20,
                        maxDistance: 400,
                        autopilot: false,
                        draw: false,
                        bounds: CAV.Vector3.create(),
                        step: CAV.Vector3.create(Math.randomInRange(0.2, 1), Math.randomInRange(0.2, 1), Math.randomInRange(0.2, 1))
                    };
                    var m = "canvas";
                    var E = "svg";
                    var x = {
                        renderer: m
                    };
                    var i, n = Date.now();
                    var L = CAV.Vector3.create();
                    var k = CAV.Vector3.create();
                    var z = document.getElementById("container");
                    var w = document.getElementById("anitOut");
                    var D, I, h, q, y;
                    var g;
                    var r;

                    function C() {
                        F();
                        p();
                        s();
                        B();
                        v();
                        K(z.offsetWidth, z.offsetHeight);
                        o()
                    }

                    function F() {
                        g = new CAV.CanvasRenderer();
                        H(x.renderer)
                    }

                    function H(N) {
                        if (D) {
                            w.removeChild(D.element)
                        }
                        switch (N) {
                            case m:
                                D = g;
                                break
                        }
                        D.setSize(z.offsetWidth, z.offsetHeight);
                        w.appendChild(D.element)
                    }

                    function p() {
                        I = new CAV.Scene()
                    }

                    function s() {
                        I.remove(h);
                        D.clear();
                        q = new CAV.Plane(t.width * D.width, t.height * D.height, t.segments, t.slices);
                        y = new CAV.Material(t.ambient, t.diffuse);
                        h = new CAV.Mesh(q, y);
                        I.add(h);
                        var N, O;
                        for (N = q.vertices.length - 1; N >= 0; N--) {
                            O = q.vertices[N];
                            O.anchor = CAV.Vector3.clone(O.position);
                            O.step = CAV.Vector3.create(Math.randomInRange(0.2, 1), Math.randomInRange(0.2, 1), Math.randomInRange(0.2, 1));
                            O.time = Math.randomInRange(0, Math.PIM2)
                        }
                    }

                    function B() {
                        var O, N;
                        for (O = I.lights.length - 1; O >= 0; O--) {
                            N = I.lights[O];
                            I.remove(N)
                        }
                        D.clear();
                        for (O = 0; O < G.count; O++) {
                            N = new CAV.Light(G.ambient, G.diffuse);
                            N.ambientHex = N.ambient.format();
                            N.diffuseHex = N.diffuse.format();
                            I.add(N);
                            N.mass = Math.randomInRange(0.5, 1);
                            N.velocity = CAV.Vector3.create();
                            N.acceleration = CAV.Vector3.create();
                            N.force = CAV.Vector3.create()
                        }
                    }

                    function K(O, N) {
                        D.setSize(O, N);
                        CAV.Vector3.set(L, D.halfWidth, D.halfHeight);
                        s()
                    }

                    function o() {
                        i = Date.now() - n;
                        u();
                        M();
                        requestAnimationFrame(o)
                    }

                    function u() {
                        var Q, P, O, R, T, V, U, S = t.depth / 2;
                        CAV.Vector3.copy(G.bounds, L);
                        CAV.Vector3.multiplyScalar(G.bounds, G.xyScalar);
                        CAV.Vector3.setZ(k, G.zOffset);
                        for (R = I.lights.length - 1; R >= 0; R--) {
                            T = I.lights[R];
                            CAV.Vector3.setZ(T.position, G.zOffset);
                            var N = Math.clamp(CAV.Vector3.distanceSquared(T.position, k), G.minDistance, G.maxDistance);
                            var W = G.gravity * T.mass / N;
                            CAV.Vector3.subtractVectors(T.force, k, T.position);
                            CAV.Vector3.normalise(T.force);
                            CAV.Vector3.multiplyScalar(T.force, W);
                            CAV.Vector3.set(T.acceleration);
                            CAV.Vector3.add(T.acceleration, T.force);
                            CAV.Vector3.add(T.velocity, T.acceleration);
                            CAV.Vector3.multiplyScalar(T.velocity, G.dampening);
                            CAV.Vector3.limit(T.velocity, G.minLimit, G.maxLimit);
                            CAV.Vector3.add(T.position, T.velocity)
                        }
                        for (V = q.vertices.length - 1; V >= 0; V--) {
                            U = q.vertices[V];
                            Q = Math.sin(U.time + U.step[0] * i * t.speed);
                            P = Math.cos(U.time + U.step[1] * i * t.speed);
                            O = Math.sin(U.time + U.step[2] * i * t.speed);
                            CAV.Vector3.set(U.position, t.xRange * q.segmentWidth * Q, t.yRange * q.sliceHeight * P, t.zRange * S * O - S);
                            CAV.Vector3.add(U.position, U.anchor)
                        }
                        q.dirty = true
                    }

                    function M() {
                        D.render(I)
                    }

                    function J(O) {
                        var Q, N, S = O;
                        var P = function (T) {
                            for (Q = 0, l = I.lights.length; Q < l; Q++) {
                                N = I.lights[Q];
                                N.ambient.set(T);
                                N.ambientHex = N.ambient.format()
                            }
                        };
                        var R = function (T) {
                            for (Q = 0, l = I.lights.length; Q < l; Q++) {
                                N = I.lights[Q];
                                N.diffuse.set(T);
                                N.diffuseHex = N.diffuse.format()
                            }
                        };
                        return {
                            set: function () {
                                P(S[0]);
                                R(S[1])
                            }
                        }
                    }

                    function v() {
                        window.addEventListener("resize", j)
                    }

                    function A(N) {
                        CAV.Vector3.set(k, N.x, D.height - N.y);
                        CAV.Vector3.subtract(k, L)
                    }

                    function j(N) {
                        K(z.offsetWidth, z.offsetHeight);
                        M()
                    }

                    C();
                })
    } else {
        alert(&#39;调用cav.js失败&#39;);
    }
});
</script>
</body>
</html>

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