实现简单的三D立方体自动旋转
演示
技术栈
display:inline-block,block,inline元素的区别:
display:block将元素显示为块级元素,从而可以更好地操控元素的宽高,以及内外边距,每一个块级元素都是从新的一行开始。
display :
inline将元素显示为行内元素,高度,行高以及底边距不可改变,高度就是内容文字或者图片的宽度,不可以改变。多个相邻的行内元素排在同一行里,知道页面一行排列不下,才会换新的一行。
display:inline-block看上去值名inline-block是一个混合产物,实际上确是如此,将元素显示为行内块状元素,设置该属性后,其他的行内块级元素会排列在同一行。比如我们li元素一个inline-block,使其既有block的宽度高度特性,又有inline的同行特性,在同一行内有不同高度内容的元素时,通常要设置对齐方式如vertical-align:top;来使元素顶部对齐。
行内标签:不能设置宽度 高度 padding margin,标签不能自动伸展。可以通过display灵活的将标签在行内和行间随意转换;display:inline;转换成行内标签display:block;转换成块级标签。
opacity 属性设置或返回元素的不透明度。
元素的不透明度级别描述了透明度级别,当不透明度为 1 时表示完全不透明,当不透明度为 0.5 时表示半透明,当不透明度为 0 时表示完全透明。
源码
css
* {
margin: 0;
padding: 0;
}
html, body {
width: 100%;
height: 100%;
overflow: hidden;
}
canvas {
display: block;
position: absolute;
z-index: -2;
}
.snowback{
height: 100%;
width: 100%;
overflow: hidden;
position: absolute;
z-index: 1;
}
.ziti{
height: 50px;
width: 100%;
font-size: 60px;
text-align: center;
position: absolute;
margin-top: 100px;
z-index: 11;
}
.ziti span {
height: 30px;
width: 100%;
font-size: 25px;
font-family: "微软雅黑";
text-align: center;
line-height: 30px;
/*关键代ç */
background-image: -webkit-linear-gradient(left, rgb(20, 26, 150), #E6D205 25%, rgb(196, 30, 30) 50%, rgb(41, 197, 111) 75%, rgb(175, 23, 221));
-webkit-text-fill-color: transparent;
-webkit-background-clip: text;
-webkit-background-size: 200% 100%;
animation: masked-animation 4s infinite linear;
}
/*关键代ç */
@keyframes masked-animation {
0% {
background-position: 0 0;
}
100% {
background-position: -100% 0;
}
}
.main{
width: 200px;
height: 200px;
top:calc(calc(50% - 100px));
margin-left: calc(50% - 100px);
position: absolute;
}
.box {
width: 200px;
height: 200px;
opacity: 1;
position: absolute;
transform: scale(0.8);
}
.box-biger:hover+.box{
transform: scale(0.8);
}
.box-biger{
width: 200px;
height: 200px;
opacity: 0;
transition: all 1s;
position: absolute;
z-index: 10;
}
.box-biger:hover{
width: 600px;
height: 600px;
opacity: 1;
margin-top: calc(50% - 300px);
margin-left: calc(50% - 300px);
}
.box ul {
width: 100%;
height: 100%;
transform-style: preserve-3d;
background-color: transparent;
list-style: none;
position: absolute;
transition: all 1s;
transform-origin: 50% 50% 0;
}
.box-biger ul{
width: 100%;
height: 100%;
transform-style: preserve-3d;
background-color: transparent;
list-style: none;
position: absolute;
transition: all 1s;
}
.small {
font-size: 60px;
text-align: center;
display: inline-block;
width: 100%;
height: 100%;
position: absolute;
box-sizing: border-box;
}
.biger {
font-size: 60px;
text-align: center;
display: inline-block;
width: 100%;
height: 100%;
position: absolute;
box-sizing: border-box;
}
.small img{
height: 100%;
width: 100%;
opacity: 1;
}
.biger img{
height: 70%;
width: 70%;
margin-top: 15%;
margin-left: 15%;
opacity: 0.3;
}
.idv1 {
background-size: cover;
left: 0;
top: 100%;
transform: translateZ(-100px) rotateY(180deg) rotate(180deg);
transform-origin: top;
}
.idv2 {
background-size: cover;
top: 0;
margin-left: 50%;
transform: rotateY(90deg);
}
.idv3 {
background-size: cover;
left: 0;
top: 0;
margin-left: -50%;
transform: rotateY(90deg);
}
.idv4 {
transform: rotateX(90deg);
top: -50%;
}
.idv5 {
transform: rotateX(270deg);
top: 50%;
}
.idv6 {
background-size: cover;
left: 0;
top: 0;
transform: translateZ(100px);
}
.idv7 {
background-size: cover;
left: 0;
top: 100%;
transform: translateZ(-100px) rotateY(180deg) rotate(180deg);
transform-origin: top;
transition: all 1s;
}
.idv12 {
background-size: cover;
left: 0;
top: 0;
transform: translateZ(100px);
transition: all 1s;
}
.box-biger:hover>ul>.idv7{
transform: translateZ(-300px) rotateY(180deg) rotate(180deg);
}
.box-biger:hover>ul>.idv12{
transform: translateZ(300px);
}
.btn {
height: 60px;
text-align: center;
line-height: 60px;
width: 90px;
margin-left: 20px;
float: left;
box-sizing: border-box;
position: absolute;
border-radius: 30px;
z-index: 30;
}
.btn img{
height: 100%;
width: 100%;
}
.btn:hover {
cursor: pointer;
}
.inpbtn {
height: 40px;
float: right;
line-height: 40px;
margin-left: 200px;
background-color: pink;
color: white;
border-radius: 30px;
}
input {
height: 40px;
width: 180px;
float: left;
border-radius: 20px;
font-size: 15px;
}
audio {
height: 40px;
width: 350px;
margin-left: -40px;
margin-top: -1px;
}
.audiobox {
height: 40px;
width: 300px;
border-radius: 20px;
overflow: hidden;
}
.btnonlond:hover>.hiddenbox{
visibility: inherit;
}
.hiddenbox {
margin-top: -60px;
margin-left: 100px;
height: 80px;
width: 300px;
transition: all 2s;
visibility: hidden;
position: absolute;
z-index: 30;
}
js
// Customize these...
var n = 300,
speed = 5,//速度定义
startSize = rand(100,300);//大小定义
// ...not these
var c = document.getElementById("c"),
ctx = c.getContext("2d"),
cw = (c.width = window.innerWidth),
ch = (c.height = window.innerHeight),
mousePos = {x:"", y:""},
img = new Image(),
particles = [],
particleNumber = 0,
Particle = function(index) {
this.index = index;
this.dur = (100-rand(9, 90))/speed;
this.draw = function() {
ctx.translate( this.x, this.y );
ctx.globalAlpha = this.alpha;
ctx.globalCompositeOperation = 'lighter';
// if (index%1.5==0) ctx.globalCompositeOperation = 'overlay';
if (index%2==0) ctx.globalCompositeOperation = 'xor';
ctx.drawImage(img, -this.size/2, -this.size/2, this.size, this.size);
ctx.translate( -this.x, -this.y );
}
};
function setParticle(p, firstRun) {
var _x = cw*rand(0,1), _y = ch*rand(0,1), _s = startSize;
if (rand(0,1)>0.3 && mousePos.x!=""){ //console.log(mousePos)
_x = mousePos.x;
_y = mousePos.y;
_s = _s/10;
}
var _tl = new TimelineMax()
.fromTo(p, p.dur, {
x:_x,
y:_y,
size:_s,
alpha:0
},{
size:'+='+String(rand(200,400)),
bezier:[{alpha:rand(0.15,0.65)},{alpha:0}],
ease:Power1.easeOut,//ease:Power0.easeNone,
onComplete:function(){ setParticle(p); }
});
if (firstRun) _tl.seek(p.dur*rand()); //fast-forward on first run
}
TweenMax.ticker.addEventListener("tick", function(){
ctx.clearRect(0, 0, cw, ch);
for (var i=0; i<n; i++) particles[i].draw();
});
window.addEventListener('resize', doResize)
function doResize() {
particleNumber = 0;
cw = (c.width = window.innerWidth);
ch = (c.height = window.innerHeight);
for (var i=0; i<n; i++) {
TweenMax.killTweensOf(particles[i]);
setParticle(particles[i], true);
}
TweenMax.fromTo(c, 0.3, {alpha:0},{alpha:1, ease:Power3.easeInOut});
}
// First run
for (var i=0; i<n; i++) particles.push(new Particle(i));
doResize();
function rand(min, max) {
(min) ? min=min : min=0;
(max) ? max=max : max=1;
return min + (max-min)*Math.random();
}
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文章来源: blog.csdn.net,作者:肥学,版权归原作者所有,如需转载,请联系作者。
原文链接:blog.csdn.net/jiahuiandxuehui/article/details/125477171
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