QQ8.0和QQ9.0登录界面的头部动态背景非常有个性,如何实现的呢?
- QQ8.0的登录界面效果,使用的JS和html5实现!
就是QQ登录界面的这张图片
最终的效果如下:其中的cav.js下载地址:链接:https://share.weiyun.com/KDUzFY4R 密码:b5gvk31
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
<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("cav.js",
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('调用cav.js失败');
}
});
</script>
</body>
</html>
就这个cav.js,以前是腾讯官方的地址,即http://im-img.qq.com/pcqq/js/200/cav.js?_=1428576021379 但现在已经失效了,百度搜索,到处是积分下载!拿着腾讯的东西赚积分!!! - QQ9.0的登录界面梦幻的动画,实际为视频!
QQ9.5登录界面的动态素材如下