上篇文章给大家提供了一个如何生成静态圣诞树的demo。但是那样还不够高级，如何高级起来，当然是3D立体带动画效果了。
先看效果图：
源码如下：
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>圣诞树</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
:root {
--main-bg: #c2c2c2;
--trunk-bg-1: #5e2100;
--trunk-bg-2: #783e00;
--leaves-bottom-bg-1: #227700;
--leaves-bottom-bg-2: #3fc83f;
--leaves-middle-bg-1: #108A40;
--leaves-middle-bg-2: #39E97F;
--leaves-top-bg-1: #44AA00;
--leaves-top-bg-2: #41FF11;
--star-bg: #FFFF44;
--shine-bg: #ffeb69;
--snow-bg: #f2f2f2;
--tree-width: 200px;
--tree-height: 400px;
--tree-rotate: -15deg;
--trunk-width: 30px;
--trunk-height: 400px;
--trunk-angle: 4.3deg;
--leaves-translate: 15px;
--leaves-bottom-width: 100px;
--leaves-bottom-height: 320px;
--leaves-bottom-angle: 18.2deg;
--leaves-middle-width: 80px;
--leaves-middle-height: 220px;
--leaves-middle-angle: 21.4deg;
--leaves-top-width: 60px;
--leaves-top-height: 140px;
--leaves-top-angle: 25.5deg;
--star-size: 20px;
}
html, body {
width: 100%;
height: 100%;
padding: 0;
margin: 0;
overflow:hidden;
}
.ts-3d {
transform-style: preserve-3d;
}
.container {
background-color: var(--main-bg);
width: 100%;
min-height: 100%;
overflow: hidden;
display: flex;
align-items: center;
justify-content: center;
}
.tree {
width: var(--tree-width);
height: var(--tree-height);
position: relative;
transform-style: preserve-3d;
transform: rotateX(var(--tree-rotate));
}
.trunk,
.leaves-bottom,
.leaves-middle,
.leaves-top {
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
animation: 10s tree-rotate linear infinite;
}
.trunk div {
border-top: none;
border-left: solid var(--trunk-width) transparent;
border-right: solid var(--trunk-width) transparent;
position: absolute;
bottom: 0;
left: calc(50% - var(--trunk-width));
transform-origin: bottom;
}
.trunk div:nth-child(1) {
border-bottom: solid var(--trunk-height) var(--trunk-bg-1);
transform: rotateX(var(--trunk-angle)) translateY(2px) translateZ(var(--trunk-width));
}
.trunk div:nth-child(2) {
border-bottom: solid var(--trunk-height) var(--trunk-bg-2);
transform: rotateY(90deg) rotateX(calc(var(--trunk-angle) * -1)) translateY(2px) translateZ(calc(var(--trunk-width) * -1));
}
.trunk div:nth-child(3) {
border-bottom: solid var(--trunk-height) var(--trunk-bg-1);
transform: rotateX(calc(var(--trunk-angle) * -1)) translateY(2px) translateZ(calc(var(--trunk-width) * -1));
}
.trunk div:nth-child(4) {
border-bottom: solid var(--trunk-height) var(--trunk-bg-2);
transform: rotateY(-90deg) rotateX(calc(var(--trunk-angle) * -1)) translateY(2px) translateZ(calc(var(--trunk-width) * -1));
}
.leaves-bottom div {
border-top: none;
border-left: solid var(--leaves-bottom-width) transparent;
border-right: solid var(--leaves-bottom-width) transparent;
position: absolute;
top: var(--star-size);
left: calc(50% - var(--leaves-bottom-width));
transform-origin: bottom;
}
.leaves-bottom div:nth-child(1) {
border-bottom: solid var(--leaves-bottom-height) var(--leaves-bottom-bg-1);
transform: rotateX(var(--leaves-bottom-angle)) translateY(var(--leaves-translate)) translateZ(var(--leaves-bottom-width));
}
.leaves-bottom div:nth-child(2) {
border-bottom: solid var(--leaves-bottom-height) var(--leaves-bottom-bg-2);
transform: rotateY(90deg) rotateX(calc(var(--leaves-bottom-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-bottom-width) * -1));
}
.leaves-bottom div:nth-child(3) {
border-bottom: solid var(--leaves-bottom-height) var(--leaves-bottom-bg-1);
transform: rotateX(calc(var(--leaves-bottom-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-bottom-width) * -1));
}
.leaves-bottom div:nth-child(4) {
border-bottom: solid var(--leaves-bottom-height) var(--leaves-bottom-bg-2);
transform: rotateY(-90deg) rotateX(calc(var(--leaves-bottom-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-bottom-width) * -1));
}
.leaves-middle div {
border-top: none;
border-left: solid var(--leaves-middle-width) transparent;
border-right: solid var(--leaves-middle-width) transparent;
position: absolute;
top: var(--star-size);
left: calc(50% - var(--leaves-middle-width));
transform-origin: bottom;
}
.leaves-middle div:nth-child(1) {
border-bottom: solid var(--leaves-middle-height) var(--leaves-middle-bg-1);
transform: rotateX(var(--leaves-middle-angle)) translateY(var(--leaves-translate)) translateZ(var(--leaves-middle-width));
}
.leaves-middle div:nth-child(2) {
border-bottom: solid var(--leaves-middle-height) var(--leaves-middle-bg-2);
transform: rotateY(90deg) rotateX(calc(var(--leaves-middle-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-middle-width) * -1));
}
.leaves-middle div:nth-child(3) {
border-bottom: solid var(--leaves-middle-height) var(--leaves-middle-bg-1);
transform: rotateX(calc(var(--leaves-middle-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-middle-width) * -1));
}
.leaves-middle div:nth-child(4) {
border-bottom: solid var(--leaves-middle-height) var(--leaves-middle-bg-2);
transform: rotateY(-90deg) rotateX(calc(var(--leaves-middle-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-middle-width) * -1));
}
.leaves-top div {
border-top: none;
border-left: solid var(--leaves-top-width) transparent;
border-right: solid var(--leaves-top-width) transparent;
position: absolute;
top: var(--star-size);
left: calc(50% - var(--leaves-top-width));
transform-origin: bottom;
}
.leaves-top div:nth-child(1) {
border-bottom: solid var(--leaves-top-height) var(--leaves-top-bg-1);
transform: rotateX(var(--leaves-top-angle)) translateY(var(--leaves-translate)) translateZ(var(--leaves-top-width));
}
.leaves-top div:nth-child(2) {
border-bottom: solid var(--leaves-top-height) var(--leaves-top-bg-2);
transform: rotateY(90deg) rotateX(calc(var(--leaves-top-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-top-width) * -1));
}
.leaves-top div:nth-child(3) {
border-bottom: solid var(--leaves-top-height) var(--leaves-top-bg-1);
transform: rotateX(calc(var(--leaves-top-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-top-width) * -1));
}
.leaves-top div:nth-child(4) {
border-bottom: solid var(--leaves-top-height) var(--leaves-top-bg-2);
transform: rotateY(-90deg) rotateX(calc(var(--leaves-top-angle) * -1)) translateY(var(--leaves-translate)) translateZ(calc(var(--leaves-top-width) * -1));
}
@keyframes tree-rotate {
0% {
transform: rotateX(0deg) rotateY(0deg); }
99.99999% {
transform: rotateX(0deg) rotateY(359deg); }
}
.shadow {
background-color: rgba(0, 0, 0, 0.8);
width: calc(var(--leaves-bottom-width) * 2);
height: calc(var(--leaves-bottom-width) * 2);
filter: blur(calc(var(--leaves-bottom-width) / 2));
position: absolute;
bottom: calc(var(--leaves-bottom-width) * -1);
left: calc(50% - var(--leaves-bottom-width));
transform: rotateX(90deg) translateX(-50%);
animation: 10s shadow-rotate linear infinite;
}
@keyframes shadow-rotate {
0% {
transform: rotateX(-90deg) rotateZ(0deg); }
99.99999% {
transform: rotateX(-90deg) rotateZ(359deg); }
}
.star-1 {
transform: translateZ(-2px);
animation: 10s star-1-rotate linear infinite;
}
@keyframes star-1-rotate {
0% {
transform: rotateX(0deg) rotateY(0deg) translateZ(-2px); }
99.99999% {
transform: rotateX(0deg) rotateY(359deg) translateZ(-2px); }
}
.star-2 {
transform: translateZ(-1px);
animation: 10s star-2-rotate linear infinite;
}
@keyframes star-2-rotate {
0% {
transform: rotateX(0deg) rotateY(0deg) translateZ(-1px); }
99.99999% {
transform: rotateX(0deg) rotateY(359deg) translateZ(-1px); }
}
.star-3 {
transform: translateZ(0px);
animation: 10s star-3-rotate linear infinite;
}
@keyframes star-3-rotate {
0% {
transform: rotateX(0deg) rotateY(0deg) translateZ(0px); }
99.99999% {
transform: rotateX(0deg) rotateY(359deg) translateZ(0px); }
}
.star-4 {
transform: translateZ(1px);
animation: 10s star-4-rotate linear infinite;
}
@keyframes star-4-rotate {
0% {
transform: rotateX(0deg) rotateY(0deg) translateZ(1px); }
99.99999% {
transform: rotateX(0deg) rotateY(359deg) translateZ(1px); }
}
.star-5 {
transform: translateZ(2px);
animation: 10s star-5-rotate linear infinite;
}
@keyframes star-5-rotate {
0% {
transform: rotateX(0deg) rotateY(0deg) translateZ(2px); }
99.99999% {
transform: rotateX(0deg) rotateY(359deg) translateZ(2px); }
}
.star,
.star:before,
.star:after {
content: '';
height: 0;
width: 0;
border-top: solid 30px var(--star-bg);
border-left: solid 45px transparent;
border-right: solid 45px transparent;
position: absolute;
top: 0;
left: calc(50% - 45px);
}
.star:before {
transform: rotate(72deg);
top: -33px;
left: -46px;
}
.star:after {
transform: rotate(287deg);
top: -33px;
left: -44px;
}
.shine {
background: var(--shine-bg);
height: 90px;
width: 90px;
position: absolute;
top: -45px;
left: calc(50% - 45px);
border-radius: 50%;
transform: translateZ(40px);
filter: blur(20px);
opacity: 0.6;
animation: 5s shine linear infinite;
}
@keyframes shine {
0% {
transform: scale(1) translateZ(40px); }
50% {
transform: scale(1.5) translateZ(40px); }
100% {
transform: scale(1) translateZ(40px); }
}
.snow-container {
width: 100%;
height: 100%;
position: absolute;
}
.snow {
position: absolute;
}
.snow:before {
content: '';
background-color: var(--snow-bg);
width: 100%;
height: 100%;
position: absolute;
border-radius: 50%;
}
.snow-y-1:before {
animation: 8s snow-y-1 ease-in infinite, 8s snow-y-0 linear infinite;
}
.snow-y-2:before {
animation: 6s snow-y-2 ease-in infinite, 6s snow-y-0 linear infinite;
}
.snow-y-3:before {
animation: 4s snow-y-2 ease-in infinite, 4s snow-y-0 linear infinite;
}
.snow-1 {
width: 20px;
height: 20px;
top: calc(50% - 250px);
left: calc(50% - 10px);
animation: 1s snow-x linear infinite;
}
.snow-2 {
width: 15px;
height: 15px;
top: calc(50% - 300px);
left: calc(50% - 30px);
animation: 0.8s snow-x linear infinite 0.1s;
}
.snow-3 {
width: 10px;
height: 10px;
top: calc(50% - 400px);
left: calc(50% + 60px);
animation: 0.6s snow-x linear infinite 0.8s;
}
.snow-4 {
width: 25px;
height: 25px;
top: calc(50% - 200px);
left: calc(50% + 50px);
animation: 0.5s snow-x linear infinite 0.5s;
}
.snow-5 {
width: 18px;
height: 18px;
top: calc(50% - 200px);
left: calc(50% - 50px);
animation: 0.5s snow-x linear infinite 0.5s;
}
.snow-6 {
width: 12px;
height: 12px;
top: calc(50% - 150px);
left: calc(50% - 120px);
animation: 0.8s snow-x linear infinite 0.5s;
}
.snow-7 {
width: 20px;
height: 20px;
top: calc(50% - 150px);
left: calc(50% + 75px);
animation: 1s snow-x linear infinite 0.6s;
}
.snow-8 {
width: 22px;
height: 22px;
top: calc(50% - 10px);
left: calc(50% - 30px);
animation: 1s snow-x linear infinite 0.8s;
}
.snow-9 {
width: 8px;
height: 8px;
top: calc(50% - 250px);
left: calc(50% - 30px);
animation: 1s snow-x linear infinite 0.8s;
}
.snow-10 {
width: 13px;
height: 13px;
top: calc(50% - 250px);
left: calc(50% - 100px);
animation: 1s snow-x linear infinite 0.8s;
}
@keyframes snow-x {
0% {
transform: translateX(0px); }
25% {
transform: translateX(5px); }
50% {
transform: translateX(0px); }
75% {
transform: translateX(-5px); }
100% {
transform: translateX(0px); }
}
@keyframes snow-y-0 {
0% {
opacity: 1; }
60% {
opacity: 1; }
100% {
opacity: 0; }
}
@keyframes snow-y-1 {
0% {
transform: translateY(0px); }
99.99999% {
transform: translateY(300px); }
100% {
transform: translateY(0px); }
}
@keyframes snow-y-2 {
0% {
transform: translateY(0px); }
99.99999% {
transform: translateY(400px); }
100% {
transform: translateY(0px); }
}
@keyframes snow-y-3 {
0% {
transform: translateY(0px); }
99.99999% {
transform: translateY(500px); }
100% {
transform: translateY(0px); }
}
</style>
</head>
<body>
<div class="container">
<div class="tree">
<div class="shadow ts-3d"></div>
<div class="trunk ts-3d">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves-bottom ts-3d">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves-middle ts-3d">
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
</div>
<div class="leaves-top ts-3d">
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
</div>
<div class="star star-1 ts-3d"></div>
<div class="star star-2 ts-3d"></div>
<div class="star star-3 ts-3d"></div>
<div class="star star-4 ts-3d"></div>
<div class="star star-5 ts-3d"></div>
<div class="shine ts-3d"></div>
</div>
<div class="tree">
<div class="shadow ts-3d"></div>
<div class="trunk ts-3d">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves-bottom ts-3d">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves-middle ts-3d">
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
</div>
<div class="leaves-top ts-3d">
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
</div>
<div class="star star-1 ts-3d"></div>
<div class="star star-2 ts-3d"></div>
<div class="star star-3 ts-3d"></div>
<div class="star star-4 ts-3d"></div>
<div class="star star-5 ts-3d"></div>
<div class="shine ts-3d"></div>
</div>
<div class="tree">
<div class="shadow ts-3d"></div>
<div class="trunk ts-3d">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves-bottom ts-3d">
<div></div>
<div></div>
<div></div>
<div></div>
</div>
<div class="leaves-middle ts-3d">
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
</div>
<div class="leaves-top ts-3d">
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
<div class="ts-3d"></div>
</div>
<div class="star star-1 ts-3d"></div>
<div class="star star-2 ts-3d"></div>
<div class="star star-3 ts-3d"></div>
<div class="star star-4 ts-3d"></div>
<div class="star star-5 ts-3d"></div>
<div class="shine ts-3d"></div>
</div>
<div class="snow-container">
<div class="snow snow-1 snow-y-1"></div>
<div class="snow snow-2 snow-y-2"></div>
<div class="snow snow-3 snow-y-3"></div>
<div class="snow snow-4 snow-y-3"></div>
<div class="snow snow-5 snow-y-2"></div>
<div class="snow snow-6 snow-y-1"></div>
<div class="snow snow-7 snow-y-1"></div>
<div class="snow snow-8 snow-y-2"></div>
<div class="snow snow-9 snow-y-3"></div>
<div class="snow snow-10 snow-y-3"></div>
</div>
</div>
</body>
</html>
将源码复制保存到html中打开即可。源码都是些基本的知识，不过多讲解。