JavaScript
通过JavaScript实现动态圣诞树详解
发布时间：2022-04-16 发布网站：脚本宝典
脚本宝典收集整理的这篇文章主要介绍了通过JavaScript实现动态圣诞树详解，脚本宝典觉得挺不错的，现在分享给大家，也给大家做个参考。
一、只使用 CSS 制作的动画圣诞树
演示地址：http://haiyong.site/christmastree1（建议使用电脑打开，没做响应式手机端会有些变形，或者可以看看后面的圣诞树）
HTML代码：
这里的HTML代码是完整无删减的
<div class="card-container"> <div class="snow-flakes-1"></div> <div class="snow-flakes-2"></div> <h2>接下来是雪花，圣诞树，新年和</h2> <h1>更好的我们</h1> <div class="tree-container"> <div class="ball-0"></div> <div class="tree-p1"> <ul> <li> <div class="XMas-ball ball-1"></div> <div class="tree-left-branch"></div> </li> <li><div class="tree-right-branch"></div></li> </ul> </div> <div class="tree-p2"> <ul> <li> <div class="xmas-ball ball-2"></div> <div class="tree-left-branch"></div> </li> <li> <div class="xmas-ball ball-3"></div> <div class="tree-right-branch"></div> </li> </ul> </div> <div class="tree-P3"> <ul> <li> <div class="xmas-ball ball-6"></div> <div class="tree-left-branch"></div> </li> <li> <div class="xmas-ball ball-5"></div> <div class="xmas-ball ball-4"></div> <div class="tree-right-branch"></div> </li> </ul> </div> <div class="tree-p4"> <ul> <li> <div class="xmas-ball ball-7"></div> <div class="xmas-ball ball-8"></div> <div class="tree-left-branch"></div> </li> <li> <div class="xmas-ball ball-9"></div> <div class="xmas-ball ball-10"></div> <div class="tree-right-branch stubborn"></div> </li> </ul> </div> <div class="wood"></div> <div class="PResents"> <div class="present-container-1"> <div class="tie"></div> <div class="lid"></div> <div class="box"></div> </div> <div class="present-container-2"> <div class="tie"></div> <div class="lid"></div> <div class="box"></div> </div> </div> </div> <h3>圣诞节快乐!</h3> <p><span>From haiyong</span></p> </div>
CSS主要代码
CSS比较多，我截取了部分主要代码
body {
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
color: #000;
}
ul {
list-style-tyPE: none;
}
ul li {
display: inline-block;
}
h1 {
font-family: "mountains of Christmas", cursive;
font-Size: 42px;
line-height: 60px;
-webkit-background-clip: text;
-webkIT-text-fill-color: transparent;
}
h1::before, h1::after {
content: "❆";
margin: 0 10px;
}
h2 {
font-family: "Source Sans Pro", sans-serif;
font-size: 14px;
text-transform: uppercase;
letter-spacing: 2px;
}
h3 {
font-family: "Open Sans Condensed", sans-serif;
font-weight: 300;
font-size: 18px;
letter-spacing: 2px;
margin-bottom: 5px;
}
p {
font-family: "Dancing Script", cursive;
font-size: 20px;
font-weight: 700;
}
span {
font-family: "Roboto", sans-serif;
font-size: 14px;
font-weight: 400;
}
.card-container {
height: 675px;
width: 675px;
padding: 30px;
background-color: rgba(255, 255, 255, 0.6);
border: 8px double #fff;
border-radius: 20px;
text-align: center;
border-radius: 50%;
-webkit-border-radius: 50%;
overflow: hidden;
position: relative;
-webkit-mask-image: -webkit-radial-gradient(white, black);
}
二、只使用 CSS 制作的螺旋圣诞树
演示地址：http://haiyong.site/christmastree2（在手机端和PC端都可以完美响应）
HTML代码
<div class="tree"> <div class="tree__light" style="--appear: 0; --y: 0; --rotate: 1440; --radius: 12.5; --speed: 9.235939340131775; --delay: -2.416794939166802;"></div> <div class="tree__light" style="--appear: 1; --y: 2; --rotate: 1411.2; --radius: 12.25; --speed: 7.165430171444827; --delay: -2.992603509592233;"></div> <div class="tree__light" style="--appear: 2; --y: 4; --rotate: 1382.4; --radius: 12; --speed: 3.5061879558149545; --delay: -0.7704234444726743;"></div> <div class="tree__light" style="--appear: 3; --y: 6; --rotate: 1353.6000000000001; --radius: 11.75; --speed: 4.727223159267884; --delay: -9.55238654379912;"></div> <div class="tree__light" style="--appear: 4; --y: 8; --rotate: 1324.8; --radius: 11.5; --speed: 0.702989829906826; --delay: -4.2545348853934435;"></div> <div class="tree__light" style="--appear: 5; --y: 10; --rotate: 1296; --radius: 11.25; --speed: 6.842573668088441; --delay: -4.560144802030952;"></div> <div class="tree__light" style="--appear: 6; --y: 12; --rotate: 1267.2; --radius: 11; --speed: 5.8193198565131965; --delay: -8.605875056439737;"></div> <!-- 一样的规律一直写到 style="--appear: 49;此处省略为了博客简洁--> <div class="tree__light" style="--appear: 49; --y: 98; --rotate: 28.8; --radius: 0.25; --speed: 1.7070837859932286; --delay: -3.8515175108122546;"></div> <svg class="tree__star" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 113.32 108.44" style="--delay: 50"> <path d="M90.19 104.33L57.12 87.38 24.4 105l5.91-36.69L3.44 42.65l36.72-5.72 16.1-33.5L73.06 36.6l36.83 4.97-26.35 26.21z" fill="none" stroke-width="6.88" stroke-linecap="round" stroke-linejoin="round"></path> </svg> </div>
完整CSS代码
复制粘贴即可
* {
box-sizing: border-box;
}
body {
background: #233343;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
perspective: 1200px;
transform-style: preserve-3d;
}
.tree {
position: relative;
height: 50vmin;
width: 25vmin;
transform-style: preserve-3d;
-webkit-animation: spin 2s infinite linear;
animation: spin 2s infinite linear;
}
.tree__light {
transform-style: preserve-3d;
position: absolute;
height: 1vmin;
width: 1vmin;
border-radius: 50%;
-webkit-animation: flash calc(VAR(--speed) * 1s) calc(var(--delay) * 1s) infinite steps(4), appear 0.5s calc(var(--appear) * 0.05s) both;
animation: flash calc(var(--speed) * 1s) calc(var(--delay) * 1s) infinite steps(4), appear 0.5s calc(var(--appear) * 0.05s) both;
left: 50%;
transform: translate(-50%, 50%) rotateY(calc(var(--rotate, 0) * 1deg)) translate3d(0, 0, calc(var(--radius, 0) * 1vmin));
bottom: calc(var(--y, 0) * 1%);
}
.tree__star {
stroke-width: 5vmin;
stroke: #f5e0a3;
filter: drop-shadow(0 0 2vmin #fcF1CF);
height: 5vmin;
width: 5vmin;
overflow: visible !important;
bottom: 100%;
left: 50%;
transform: translate(-50%, 0);
position: absolute;
stroke-dasharray: 1000 1000;
fill: none;
-webkit-animation: stroke 1s calc((var(--delay) * 0.95) * 0.05s) both;
animation: stroke 1s calc((var(--delay) * 0.95) * 0.05s) both;
}
@-webkit-keyframes stroke {
from {
stroke-dashoffset: -1000;
}
}
@keyframes stroke {
from {
stroke-dashoffset: -1000;
}
}
@-webkit-keyframes spin {
to {
transform: rotateY(360deg);
}
}
@keyframes spin {
to {
transform: rotateY(360deg);
}
}
@-webkit-keyframes appear {
from {
opacity: 0;
}
}
@keyframes appear {
from {
opacity: 0;
}
}
@-webkit-keyframes flash {
0%, 100% {
background: #f00;
}
20% {
background: #fff;
}
40% {
background: #f00;
}
60% {
background: #fff;
}
80% {
background: #f00;
}
}
@keyframes flash {
0%, 100% {
background: #f00;
}
20% {
background: #fff;
}
40% {
background: #f00;
}
60% {
background: #fff;
}
80% {
background: #f00;
}
}
三、使用HTML+CSS+JS制作的圣诞树
演示地址：http://haiyong.site/christmastree3（最好在PC端预览）
完整CSS
body {
background-color:#151522;
overflow: hidden;
display: flex;
align-items: center;
justify-content: center;
}
body,
html {
height: 100%;
width: 100%;
margin: 0;
padding: 0;
}
svg{
width:90%;
height:90%;
visibility:hidden;
}
部分JS
MorphSVGPlugin.convertToPath('polygon');
var xmlns = "http://www.w3.org/2000/svg",
xlinkns = "http://www.w3.org/1999/xlink",
select = function(s) {
return document.querySelector(s);
},
selectAll = function(s) {
return document.querySelectorAll(s);
},
pContainer = select('.pContainer'),
mainSVG = select('.mainSVG'),
star = select('#star'),
sparkle = select('.sparkle'),
tree = select('#tree'),
showParticle = true,
particleColorArray = ['#E8F6F8', '#ACE8F8', '#F6FBFE','#A2CBDC','#B74551', '#5DBA72', '#910B28', '#910B28', '#446D39'],
particleTypeArray = ['#star','#circ','#cross','#heart'],
particlePool = [],
particleCount = 0,
numParticles = 201
gsap.set('svg', {
visibility: 'visible'
})
gsap.set(sparkle, {
transformOrigin:'50% 50%',
y:-100
})
let getSVGPoints = (path) => {
let arr = []
var rawPath = MotionPathPlugin.getRawPath(path)[0];
rawPath.foreach((el, value) => {
let obj = {}
obj.x = rawPath[value * 2]
obj.y = rawPath[(value * 2) + 1]
if(value % 2) {
arr.push(obj)
}
})
return arr;
}
let treePath = getSVGPoints('.treePath')
var treeBottomPath = getSVGPoints('.treeBottomPath')
var mainTl = gsap.timeline({delay:0, repeat:0}), starTl;
function flicker(p){
gsap.killTweensOf(p, {opacity:true});
gsap.fromTo(p, {
opacity:1
}, {
duration: 0.07,
opacity:Math.random(),
repeat:-1
})
}
function createParticles() {
var i = numParticles, p, particleTl, step = numParticles/treePath.length, pos;
while (--i > -1) {
p = select(particleTypeArray[i%particleTypeArray.length]).cloneNode(true);
mainSVG.appendChild(p);
p.setattribute('fill', particleColorArray[i % particleColorArray.length]);
p.setAttribute('class', "particle");
particlePool.push(p);
gsap.set(p, {
x:-100,
y:-100,
transformOrigin:'50% 50%'
})
}
}
var getScale = gsap.utils.random(0.5, 3, 0.001, true);
function playParticle(p){
if(!showParticle){return};
var p = particlePool[particleCount]
gsap.set(p, {
x: gsap.getProperty('.pContainer', 'x'),
y: gsap.getProperty('.pContainer', 'y'),
scale:getScale()
}
);
var tl = gsap.timeline();
tl.to(p, {
duration: gsap.utils.random(0.61,6),
physics2D: {
velocity: gsap.utils.random(-23, 23),
angle:gsap.utils.random(-180, 180),
gravity:gsap.utils.random(-6, 50)
},
scale:0,
rotation:gsap.utils.random(-123,360),
ease: 'power1',
onStart:flicker,
onStartParams:[p],
//repeat:-1,
onRepeat: (p) => {
gsap.set(p, {
scale:getScale()
})
},
onRepeatParams: [p]
});
particleCount++;
particleCount = (particleCount >=numParticles) ? 0 : particleCount
}
function drawStar(){
starTl = gsap.timeline({onUpdate:playParticle})
starTl.to('.pContainer, .sparkle', {
duration: 6,
motionPath :{
path: '.treePath',
autoRotate: false
},
ease: 'linear'
})
.to('.pContainer, .sparkle', {
duration: 1,
onStart:function(){showParticle = false},
x:treeBottomPath[0].x,
y:treeBottomPath[0].y
})
.to('.pContainer, .sparkle', {
duration: 2,
onStart:function(){showParticle = true},
motionPath :{
path: '.treeBottomPath',
autoRotate: false
},
ease: 'linear'
},'-=0')
.from('.treeBottomMask', {
duration: 2,
drawSVG:'0% 0%',
stroke:'#FFF',
ease:'linear'
},'-=2')
}
createParticles();
drawStar();
//ScrubGSAPTimeline(mainTl)
mainTl.from(['.treePathMask','.treePotMask'],{
duration: 6,
drawSVG:'0% 0%',
stroke:'#FFF',
stagger: {
each: 6
},
duration: gsap.utils.wrap([6, 1,2]),
ease:'linear'
})
.from('.treeStar', {
duration: 3,
//skewY:270,
scaleY:0,
scaleX:0.15,
transformOrigin:'50% 50%',
ease: 'elastic(1,0.5)'
},'-=4')
.to('.sparkle', {
duration: 3,
opacity:0,
ease:"rough({strength: 2, points: 100, template: linear, taper: both, randomize: true, clamp: false})"
},'-=0')
.to('.treeStarOutline', {
duration: 1,
opacity:1,
ease:"rough({strength: 2, points: 16, template: linear, taper: none, randomize: true, clamp: false})"
},'+=1')
mainTl.add(starTl, 0)
gsap.globalTimeline.timeScale(1.5);
四、只使用 CSS 的流星圣诞树
演示地址：http://haiyong.site/christmastree4（响应式的，手机和PC端都可预览）
HTML代码
<ul> <li></li> <li></li> <li></li> <li></li> <li></li> </ul> <ul> <!-- 此处省略256行 <li></li> --> </ul>
CSS代码
:root {
--background:#3C3B3D;
}
body {
background: var(--background);
}
body ul {
padding: 0;
}
body ul li {
list-style: none;
}
body ul:nth-child(1) {
position: absolute;
top: 20vh;
left: 50%;
width: 1rem;
height: 1rem;
border-radius: 100%;
transform: translate(-50%, -50%);
}
body ul:nth-child(1) li {
position: absolute;
width: 0;
height: 0;
border-width: 0 0.5rem 1rem 0.5rem;
border-style: solid;
border-color: transparent;
border-bottom-color: #FFCE54;
transform-origin: 0.5rem 1rem;
}
body ul:nth-child(1) li:nth-child(0) {
transform: rotate(0deg);
}
body ul:nth-child(1) li:nth-child(1) {
transform: rotate(72deg);
}
body ul:nth-child(1) li:nth-child(2) {
transform: rotate(144deg);
}
body ul:nth-child(1) li:nth-child(3) {
transform: rotate(216deg);
}
body ul:nth-child(1) li:nth-child(4) {
transform: rotate(288deg);
}
body ul:nth-child(2) li {
position: absolute;
top: 20vh;
left: 50%;
width: 0.0625rem;
height: 60vh;
transform-origin: 50% 0%;
}
body ul:nth-child(2) li:nth-child(1) {
transform: rotate(4.9322004015deg);
}
body ul:nth-child(2) li:nth-child(1):before, body ul:nth-child(2) li:nth-child(1):after {
-webkit-animation-delay: -0.015625s;
animation-delay: -0.015625s;
}
body ul:nth-child(2) li:nth-child(2) {
transform: rotate(7.7960629984deg);
}
body ul:nth-child(2) li:nth-child(2):before, body ul:nth-child(2) li:nth-child(2):after {
-webkit-animation-delay: -0.03125s;
animation-delay: -0.03125s;
}
body ul:nth-child(2) li:nth-child(3) {
transform: rotate(10.5294548885deg);
}
body ul:nth-child(2) li:nth-child(3):before, body ul:nth-child(2) li:nth-child(3):after {
-webkit-animation-delay: -0.046875s;
animation-delay: -0.046875s;
}
/* ...... */
/* 一样的规律，一直到第256 */
body ul:nth-child(2) li:nth-child(256) {
transform: rotate(2deg);
}
body ul:nth-child(2) li:nth-child(256):before, body ul:nth-child(2) li:nth-child(256):after {
-webkit-animation-delay: -4s;
animation-delay: -4s;
}
body ul:nth-child(2) li:before, body ul:nth-child(2) li:after {
content: "";
position: absolute;
top: 0%;
-webkit-animation: fall 4s linear infinite;
animation: fall 4s linear infinite;
}
body ul:nth-child(2) li:before {
width: 0.0625rem;
height: 3rem;
background: linear-gradient(rgba(46, 204, 113, 0), rgba(46, 204, 113, 0.5));
}
body ul:nth-child(2) li:after {
bottom: 0;
transform: translate(-50%, 3rem);
width: 0.1875rem;
height: 0.1875rem;
border-radius: 100%;
background: #ffce54;
}
body ul:nth-child(2) li:nth-child(4n):after {
background: #D8334A;
}
body ul:nth-child(2) li:nth-child(4n+1):after {
background: #FFCE54;
}
body ul:nth-child(2) li:nth-child(4n+2):after {
background: #2ECC71;
}
body ul:nth-child(2) li:nth-child(4n+3):after {
background: #5D9CEC;
}
@-webkit-keyframes fall {
0% {
opacity: 0;
top: 0%;
}
5% {
opacity: 0;
}
15%, 90% {
opacity: 1;
}
100% {
opacity: 0;
top: 100%;
}
}
@keyframes fall {
0% {
opacity: 0;
top: 0%;
}
5% {
opacity: 0;
}
15%, 90% {
opacity: 1;
}
100% {
opacity: 0;
top: 100%;
}
}
五、水晶球里的圣诞树
演示地址：http://haiyong.site/christmastree5（响应式的，手机和PC端都可预览）
CSS完整代码
html, body {
margin:0;
width: 100%;
height: 100%;
position: absolute;
overflow: hidden;
background: linear-gradient(135deg, rgba(180,186,214,1) 0%, rgba(232,203,192,1) 100%);
}
.content {
text-align: center;
width: 100%;
}
svg {
max-width: 575px;
}
#canvas {
border-radius: 50%;
position: relative;
width: 310px;
height: 290px;
top: 10px;
left: 0px;
}
.canvas_container {
position: absolute;
width: 100%;
}
.draw_container {
position: absolute;
top: 50px;
width: 100%;
}
JS完整代码
$(function() {
var canvas = $("#canvas")[0];
var ctx = canvas.getContext("2d");
var WIDTH = 320;
var HEIGHT = 320;
canvas.width = WIDTH;
canvas.height = HEIGHT;
clearCanvas();
var particles = [];
for (var i = 0; i < WIDTH; i++) {
particles.push({
x: Math.random() * WIDTH,
y: Math.random() * HEIGHT,
r: Math.random() * 2 + 1
})
}
function draw() {
clearCanvas();
ctx.fillStyle = "rgba(255, 255, 255, 0.6)";
ctx.beginPath();
for (let i = 0; i < WIDTH; i++) {
let p = particles[i];
ctx.moveTo(p.x, p.y);
ctx.arc(p.x, p.y, p.r, 0, Math.PI * 2, true);
}
ctx.fill();
update();
}
function update() {
for (let i = 0; i < WIDTH; i++) {
let p = particles[i];
p.y += p.r;
if (p.y > canvas.height) {
particles[i] = {
x: Math.random() * canvas.width,
y: -10,
r: p.r
};
}
}
}
var timer = setInterval(draw, 50);
function clearCanvas() {
ctx.clearRect(0, 0, canvas.width, canvas.height);
}
})
六、圣诞贺卡
演示地址：http://haiyong.site/shengdanheka
以上就是通过JavaScript实现动态圣诞树详解的详细内容，更多关于JavaScript圣诞树的资料请关注脚本宝典其它相关文章！
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