跳到主要内容多种页面动画效果实现：星空、时钟与粒子特效 | 极客日志HTML / CSS大前端算法
多种页面动画效果实现：星空、时钟与粒子特效
该文章展示了八个基于 HTML5 Canvas 和 JavaScript 实现的页面动画示例，涵盖星空背景、神经网络可视化、黑洞扭曲、404 页面、粒子波浪、圆弧时钟、正弦波像素及数字时钟效果。代码包含完整的 HTML、CSS 及脚本逻辑，可直接运行查看动态效果，适用于前端开发学习与界面美化参考。
1qazxsw23 浏览 一、星空背景动画
使用 Canvas 和 JavaScript 实现全屏酷炫星空背景动画。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>星空背景</title>
<style>
html, body { margin: 0; padding: 0; overflow: hidden; }
</style>
</head>
<body>
<canvas id="canvas"></canvas>
<script>
"use strict";
var canvas = document.getElementById("canvas"),
ctx = canvas.getContext("2d"),
w = (canvas.width = window.),
h = (canvas. = .),
hue = ,
stars = [],
count = ,
maxStars = ;
canvas2 = .(),
ctx2 = canvas2.();
canvas2. = ;
canvas2. = ;
half = canvas2. / ,
gradient2 = ctx2.(half, half, , half, half, half);
gradient2.(, );
gradient2.(, + hue + );
gradient2.(, + hue + );
gradient2.(, );
ctx2. = gradient2;
ctx2.();
ctx2.(half, half, half, , . * );
ctx2.();
() {
(. < ) { max = min; min = ; }
(min > max) { hold = max; max = min; min = hold; }
.(.() * (max - min + )) + min;
}
() {
max = .(x, y), diameter = .(.(max * max + max * max));
diameter / ;
}
= () {
. = ((w, h));
. = (, .) / ;
. = w / ;
. = h / ;
. = (, maxStars);
. = (.) / ;
. = (, ) / ;
count++;
stars[count] = ;
};
.. = () {
x = .(.) * . + .,
y = .(.) * . + .,
twinkle = ();
(twinkle === && . > ) { . -= ; }
(twinkle === && . < ) { . += ; }
ctx. = .;
ctx.(canvas2, x - . / , y - . / , ., .);
. += .;
};
( i = ; i < maxStars; i++) ();
() {
ctx. = ;
ctx. = ;
ctx. = + hue + ;
ctx.(, , w, h);
ctx. = ;
( i = , l = stars.; i < l; i++) stars[i].();
.(animation);
}
();
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innerWidth
height
window
innerHeight
217
0
1300
var
document
createElement
"canvas"
getContext
"2d"
width
100
height
100
var
width
2
createRadialGradient
0
addColorStop
0.025
"#CCC"
addColorStop
0.1
"hsl("
", 61%, 33%)"
addColorStop
0.25
"hsl("
", 64%, 6%)"
addColorStop
1
"transparent"
fillStyle
beginPath
arc
0
Math
PI
2
fill
function
random
min, max
if
arguments
length
2
0
if
var
return
Math
floor
Math
random
1
function
maxOrbit
x, y
var
Math
max
Math
round
Math
sqrt
return
2
var
Star
function
this
orbitRadius
random
maxOrbit
this
radius
random
60
this
orbitRadius
16
this
orbitX
2
this
orbitY
2
this
timePassed
random
0
this
speed
random
this
orbitRadius
500000
this
alpha
random
2
10
10
this
Star
prototype
draw
function
var
Math
sin
this
timePassed
this
orbitRadius
this
orbitX
Math
cos
this
timePassed
this
orbitRadius
this
orbitY
random
10
if
1
this
alpha
0
this
alpha
0.05
else
if
2
this
alpha
1
this
alpha
0.05
globalAlpha
this
alpha
drawImage
this
radius
2
this
radius
2
this
radius
this
radius
this
timePassed
this
speed
for
var
0
new
Star
function
animation
globalCompositeOperation
"source-over"
globalAlpha
0.5
fillStyle
"hsla("
", 64%, 6%, 2)"
fillRect
0
0
globalCompositeOperation
"lighter"
for
var
1
length
draw
window
requestAnimationFrame
animation
</script>
</body>
</html>
二、神经网络可视化动画
基于 Canvas 的三维节点连接动画，模拟神经网络结构。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>神经网络动画</title>
<style>
html, body { margin: 0; padding: 0; overflow: hidden; }
</style>
</head>
<body>
<canvas id="c"></canvas>
<script>
var w = c.width = window.innerWidth,
h = c.height = window.innerHeight,
ctx = c.getContext('2d'),
opts = {
range: 180, baseConnections: 3, addedConnections: 5, baseSize: 5, minSize: 1,
dataToConnectionSize: .4, sizeMultiplier: .7, allowedDist: 40, baseDist: 40,
addedDist: 30, connectionAttempts: 100, dataToConnections: 1,
baseSpeed: .04, addedSpeed: .05, baseGlowSpeed: .4, addedGlowSpeed: .4,
rotVelX: .003, rotVelY: .002,
repaintColor: '#111', connectionColor: 'hsla(200,60%,light%,alp)',
rootColor: 'hsla(0,60%,light%,alp)', endColor: 'hsla(160,20%,light%,alp)',
dataColor: 'hsla(40,80%,light%,alp)', wireframeWidth: .1, wireframeColor: '#88f',
depth: 250, focalLength: 250, vanishPoint: { x: w / 2, y: h / 2 }
},
squareRange = opts.range * opts.range, squareAllowed = opts.allowedDist * opts.allowedDist,
mostDistant = opts.depth + opts.range, sinX = sinY = 0, cosX = cosY = 0,
connections = [], toDevelop = [], data = [], all = [], tick = 0, totalProb = 0,
animating = false, Tau = Math.PI * 2;
ctx.fillStyle = '#222';
ctx.fillRect(0, 0, w, h);
ctx.fillStyle = '#ccc';
ctx.font = '50px Verdana';
ctx.fillText('Calculating Nodes', w / 2 - ctx.measureText('Calculating Nodes').width / 2, h / 2 - 15);
window.setTimeout(init, 4);
function init() {
connections.length = 0; data.length = 0; all.length = 0; toDevelop.length = 0;
var connection = new Connection(0, 0, 0, opts.baseSize);
connection.step = Connection.rootStep;
connections.push(connection); all.push(connection);
connection.link();
while (toDevelop.length > 0) { toDevelop[0].link(); toDevelop.shift(); }
if (!animating) { animating = true; anim(); }
}
function Connection(x, y, z, size) {
this.x = x; this.y = y; this.z = z; this.size = size; this.screen = {};
this.links = []; this.probabilities = []; this.isEnd = false;
this.glowSpeed = opts.baseGlowSpeed + opts.addedGlowSpeed * Math.random();
}
Connection.prototype.link = function () {
if (this.size < opts.minSize) return this.isEnd = true;
var links = [], connectionsNum = opts.baseConnections + Math.random() * opts.addedConnections | 0,
attempt = opts.connectionAttempts, alpha, beta, len, cosA, sinA, cosB, sinB, pos = {}, passedExisting, passedBuffered;
while (links.length < connectionsNum && --attempt > 0) {
alpha = Math.random() * Math.PI; beta = Math.random() * Tau; len = opts.baseDist + opts.addedDist * Math.random();
cosA = Math.cos(alpha); sinA = Math.sin(alpha); cosB = Math.cos(beta); sinB = Math.sin(beta);
pos.x = this.x + len * cosA * sinB; pos.y = this.y + len * sinA * sinB; pos.z = this.z + len * cosB;
if (pos.x * pos.x + pos.y * pos.y + pos.z * pos.z < squareRange) {
passedExisting = true; passedBuffered = true;
for (var i = 0; i < connections.length; ++i) if (squareDist(pos, connections[i]) < squareAllowed) passedExisting = false;
if (passedExisting) for (var i = 0; i < links.length; ++i) if (squareDist(pos, links[i]) < squareAllowed) passedBuffered = false;
if (passedExisting && passedBuffered) links.push({ x: pos.x, y: pos.y, z: pos.z });
}
}
if (links.length === 0) this.isEnd = true;
else {
for (var i = 0; i < links.length; ++i) {
var pos = links[i], connection = new Connection(pos.x, pos.y, pos.z, this.size * opts.sizeMultiplier);
this.links[i] = connection; all.push(connection); connections.push(connection);
}
for (var i = 0; i < this.links.length; ++i) toDevelop.push(this.links[i]);
}
}
Connection.prototype.step = function () {
this.setScreen();
this.screen.color = (this.isEnd ? opts.endColor : opts.connectionColor).replace('light', 30 + ((tick * this.glowSpeed) % 30)).replace('alp', .2 + (1 - this.screen.z / mostDistant) * .8);
for (var i = 0; i < this.links.length; ++i) { ctx.moveTo(this.screen.x, this.screen.y); ctx.lineTo(this.links[i].screen.x, this.links[i].screen.y); }
}
Connection.rootStep = function () {
this.setScreen();
this.screen.color = opts.rootColor.replace('light', 30 + ((tick * this.glowSpeed) % 30)).replace('alp', (1 - this.screen.z / mostDistant) * .8);
for (var i = 0; i < this.links.length; ++i) { ctx.moveTo(this.screen.x, this.screen.y); ctx.lineTo(this.links[i].screen.x, this.links[i].screen.y); }
}
Connection.prototype.draw = function () {
ctx.fillStyle = this.screen.color; ctx.beginPath(); ctx.arc(this.screen.x, this.screen.y, this.screen.scale * this.size, 0, Tau); ctx.fill();
}
function Data(connection) {
this.glowSpeed = opts.baseGlowSpeed + opts.addedGlowSpeed * Math.random();
this.speed = opts.baseSpeed + opts.addedSpeed * Math.random(); this.screen = {};
this.setConnection(connection);
}
Data.prototype.reset = function () { this.setConnection(connections[0]); this.ended = 2; }
Data.prototype.step = function () {
this.proportion += this.speed;
if (this.proportion < 1) {
this.x = this.ox + this.dx * this.proportion; this.y = this.oy + this.dy * this.proportion;
this.z = this.oz + this.dz * this.proportion; this.size = (this.os + this.ds * this.proportion) * opts.dataToConnectionSize;
} else this.setConnection(this.nextConnection);
this.screen.lastX = this.screen.x; this.screen.lastY = this.screen.y; this.setScreen();
this.screen.color = opts.dataColor.replace('light', 40 + ((tick * this.glowSpeed) % 50)).replace('alp', .2 + (1 - this.screen.z / mostDistant) * .6);
}
Data.prototype.draw = function () {
if (this.ended) return --this.ended;
ctx.beginPath(); ctx.strokeStyle = this.screen.color; ctx.lineWidth = this.size * this.screen.scale;
ctx.moveTo(this.screen.lastX, this.screen.lastY); ctx.lineTo(this.screen.x, this.screen.y); ctx.stroke();
}
Data.prototype.setConnection = function (connection) {
if (connection.isEnd) this.reset();
else {
this.connection = connection; this.nextConnection = connection.links[connection.links.length * Math.random() | 0];
this.ox = connection.x; this.oy = connection.y; this.oz = connection.z; this.os = connection.size;
this.nx = this.nextConnection.x; this.ny = this.nextConnection.y; this.nz = this.nextConnection.z; this.ns = this.nextConnection.size;
this.dx = this.nx - this.ox; this.dy = this.ny - this.oy; this.dz = this.nz - this.oz; this.ds = this.ns - this.os;
this.proportion = 0;
}
}
Connection.prototype.setScreen = Data.prototype.setScreen = function () {
var x = this.x, y = this.y, z = this.z;
var Y = y; y = y * cosX - z * sinX; z = z * cosX + Y * sinX;
var Z = z; z = z * cosY - x * sinY; x = x * cosY + Z * sinY;
this.screen.z = z; z += opts.depth; this.screen.scale = opts.focalLength / z;
this.screen.x = opts.vanishPoint.x + x * this.screen.scale; this.screen.y = opts.vanishPoint.y + y * this.screen.scale;
}
function squareDist(a, b) { var x = b.x - a.x, y = b.y - a.y, z = b.z - a.z; return x * x + y * y + z * z; }
function anim() {
window.requestAnimationFrame(anim); ctx.globalCompositeOperation = 'source-over';
ctx.fillStyle = opts.repaintColor; ctx.fillRect(0, 0, w, h); ++tick;
var rotX = tick * opts.rotVelX, rotY = tick * opts.rotVelY;
cosX = Math.cos(rotX); sinX = Math.sin(rotX); cosY = Math.cos(rotY); sinY = Math.sin(rotY);
if (data.length < connections.length * opts.dataToConnections) {
var datum = new Data(connections[0]); data.push(datum); all.push(datum);
}
ctx.globalCompositeOperation = 'lighter'; ctx.beginPath(); ctx.lineWidth = opts.wireframeWidth;
ctx.strokeStyle = opts.wireframeColor; all.map(function (item) { item.step(); }); ctx.stroke();
ctx.globalCompositeOperation = 'source-over'; all.sort(function (a, b) { return b.screen.z - a.screen.z });
all.map(function (item) { item.draw(); });
}
window.addEventListener('resize', function () {
opts.vanishPoint.x = (w = c.width = window.innerWidth) / 2; opts.vanishPoint.y = (h = c.height = window.innerHeight) / 2;
ctx.fillRect(0, 0, w, h);
});
window.addEventListener('click', init);
</script>
</body>
</html>
三、黑洞扭曲动画
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>黑洞扭曲动画</title>
<style>canvas { position: absolute; top: 0; left: 0; }</style>
</head>
<body>
<canvas id="c"></canvas>
<script>
let w = c.width = window.innerWidth;
let h = c.height = window.innerHeight;
const ctx = c.getContext('2d');
const opts = {
hexLength: 30,
lenFn: ({ len, t }) => len + Math.sin(t),
radFn: ({ rad, len, t, excitement }) => rad + (excitement + opts.propFn({ len, t })) * 2 / 4,
propFn: ({ len, t }) => len / opts.hexLength / 10 - t,
excitementFn: ({ len, t }) => Math.sin(opts.propFn({ len, t })) ** 2,
colorFn: ({ rad, excitement, t }) => `hsl(${rad / Math.TAU * 360 + t}, ${excitement * 100}%, ${20 + excitement * 50}%)`,
timeStep: .01, randomJig: 8, repaintColor: 'rgba(0,0,0,.1)'
};
let tick = 0;
Math.TAU = 6.28318530717958647692;
const vertices = [];
class Vertex {
constructor({ x, y }) {
this.len = Math.sqrt(x*x + y*y);
this.rad = Math.acos(x / this.len) * (y > 0 ? 1 : -1) + .13;
this.prevPoint = { x, y };
}
step() {
const excitement = opts.excitementFn({ len: this.len, t: tick });
const param = { len: this.len, rad: this.rad, t: tick, excitement };
const nextLen = opts.lenFn(param);
const nextRad = opts.radFn(param);
const color = opts.colorFn(param);
ctx.strokeStyle = color; ctx.lineWidth = excitement + .2;
ctx.beginPath(); ctx.moveTo(this.prevPoint.x, this.prevPoint.y);
this.prevPoint.x = nextLen * Math.cos(nextRad) + Math.random() * (1-excitement)**2 * opts.randomJig * 2 - opts.randomJig;
this.prevPoint.y = nextLen * Math.sin(nextRad) + Math.random() * (1-excitement)**2 * opts.randomJig * 2 - opts.randomJig;
ctx.lineTo(this.prevPoint.x, this.prevPoint.y); ctx.stroke();
}
static gen() {
vertices.length = 0;
const hexCos = Math.cos(Math.TAU / 12) * opts.hexLength;
const hexSin = Math.sin(Math.TAU / 12) * opts.hexLength;
let alternanceX = false;
for(let x = 0; x < w; x += hexCos) {
let alternance = alternanceX = !alternanceX;
for(let y = 0; y < h; y += hexSin + opts.hexLength) {
alternance = !alternance;
vertices.push(new Vertex({ x: x - w / 2, y: y + alternance * hexSin - h / 2 }))
}
}
}
}
Vertex.gen();
ctx.fillStyle = '#222';
ctx.fillRect(0, 0, w, h);
const anim = () => {
window.requestAnimationFrame(anim);
tick += opts.timeStep;
ctx.fillStyle = opts.repaintColor; ctx.fillRect(0, 0, w, h);
ctx.translate(w/2, h/2);
vertices.forEach((vertex) => vertex.step());
ctx.translate(-w/2, -h/2);
}
anim();
window.addEventListener('resize', () => {
w = c.width = window.innerWidth; h = c.height = window.innerHeight;
Vertex.gen(); tick = 0; ctx.fillStyle = '#222'; ctx.fillRect(0, 0, w, h);
})
</script>
</body>
</html>
四、404 页面动画
Canvas 绘制的动态文字 404 未找到页面模板。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>404 页未找到</title>
<style>
html,body { margin:0; padding:0; }
canvas { display:block; }
</style>
</head>
<body>
<div></div>
<script>
var canvas = document.createElement('canvas');
var height = canvas.height = window.innerHeight;
var width = canvas.width = window.innerWidth;
var ctx = canvas.getContext('2d');
document.body.appendChild(canvas);
function random(min,max){ return Math.random()*(max-min+1)+min; }
function range_map(value,in_min, in_max, out_min, out_max) {
return (value - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}
var word_arr = [];
var txt_min_size = 5, txt_max_size = 25, keypress = false, acclerate = 2;
for (var i = 0; i < 25; i++) {
word_arr.push({ x : random(0,width), y : random(0,height), text : '404', size : random(txt_min_size,txt_max_size) });
word_arr.push({ x : random(0,width), y : random(0,height), text : 'page', size : random(txt_min_size,txt_max_size) });
word_arr.push({ x : random(0,width), y : random(0,height), text : 'not found', size : random(txt_min_size,txt_max_size) });
word_arr.push({ x : random(0,width), y : random(0,height), text : '404', size : Math.floor(random(txt_min_size,txt_max_size)) });
}
function render(){
ctx.fillStyle = "rgba(0,0,0,1)"; ctx.fillRect(0,0,width,height);
ctx.fillStyle = "#fff";
for (var i = 0; i < word_arr.length; i++) {
ctx.font = word_arr[i].size+"px sans-serif";
var w = ctx.measureText(word_arr[i].text).width;
ctx.fillText(word_arr[i].text,word_arr[i].x,word_arr[i].y);
if(keypress) word_arr[i].x += range_map(word_arr[i].size,txt_min_size,txt_max_size,2,4) * acclerate;
else { word_arr[i].x += range_map(word_arr[i].size,txt_min_size,txt_max_size,2,3); }
if(word_arr[i].x >= width) {
word_arr[i].x = -w*2;
word_arr[i].y = random(0,height);
word_arr[i].size = Math.floor(random(txt_min_size,txt_max_size));
}
}
requestAnimationFrame(render);
}
render();
window.addEventListener('keydown',function(){ keypress = true; },true);
window.addEventListener('keyup',function(){ keypress = false; },true);
</script>
</body>
</html>
五、粒子波浪滚动特效
基于 WebGL ShaderProgram 的粒子波浪滚动效果。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>粒子波</title>
<style>
html,body { height:100%; }
body { margin:0; background:#000; }
canvas { display:block; }
.waves { position:absolute; left:0; top:0; right:0; bottom:0; }
</style>
</head>
<body>
<div class="waves"></div>
<script>
class ShaderProgram {
constructor( holder, options = {} ) {
options = Object.assign( { antialias: false, depthTest: false, mousemove: false, autosize: true, side: 'front',
vertex: `precision highp float; attribute vec4 a_position; attribute vec4 a_color; uniform float u_time; uniform vec2 u_resolution; uniform vec2 u_mousemove; uniform mat4 u_projection; varying vec4 v_color; void main() { gl_Position = u_projection * a_position; gl_PointSize = (10.0 / gl_Position.w) * 100.0; v_color = a_color; }`,
fragment: `precision highp float; uniform sampler2D u_texture; uniform int u_hasTexture; varying vec4 v_color; void main() { if ( u_hasTexture == 1 ) { gl_FragColor = v_color * texture2D(u_texture, gl_PointCoord); } else { gl_FragColor = v_color; } }`,
uniforms: {}, buffers: {}, camera: {}, texture: null, onUpdate: ( () => {} ), onResize: ( () => {} ),
}, options )
const uniforms = Object.assign( { time: { type: 'float', value: 0 }, hasTexture: { type: 'int', value: 0 }, resolution: { type: 'vec2', value: [ 0, 0 ] }, mousemove: { type: 'vec2', value: [ 0, 0 ] }, projection: { type: 'mat4', value: [ 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1 ] }, }, options.uniforms )
const buffers = Object.assign( { position: { size: 3, data: [] }, color: { size: 4, data: [] }, }, options.buffers )
const camera = Object.assign( { fov: 60, near: 1, far: 10000, aspect: 1, z: 100, perspective: true, }, options.camera )
const canvas = document.createElement( 'canvas' ); const gl = canvas.getContext( 'webgl', { antialias: options.antialias } )
if ( ! gl ) return false; this.count = 0; this.gl = gl; this.canvas = canvas; this.camera = camera; this.holder = holder; this.onUpdate = options.onUpdate; this.onResize = options.onResize; this.data = {}
holder.appendChild( canvas ); this.createProgram( options.vertex, options.fragment ); this.createBuffers( buffers ); this.createUniforms( uniforms ); this.updateBuffers(); this.updateUniforms(); this.createTexture( options.texture ); gl.enable( gl.BLEND ); gl.enable( gl.CULL_FACE ); gl.blendFunc( gl.SRC_ALPHA, gl.ONE ); gl[ options.depthTest ? 'enable' : 'disable' ]( gl.DEPTH_TEST ); if ( options.autosize ) window.addEventListener( 'resize', e => this.resize( e ), false ); if ( options.mousemove ) window.addEventListener( 'mousemove', e => this.mousemove( e ), false ); this.resize(); this.update = this.update.bind( this ); this.time = { start: performance.now(), old: performance.now() }; this.update();
}
mousemove( e ) { let x = e.pageX / this.width * 2 - 1; let y = e.pageY / this.height * 2 - 1; this.uniforms.mousemove = [ x, y ]; }
resize( e ) { const holder = this.holder; const canvas = this.canvas; const gl = this.gl; const width = this.width = holder.offsetWidth; const height = this.height = holder.offsetHeight; const aspect = this.aspect = width / height; const dpi = this.dpi = devicePixelRatio; canvas.width = width * dpi; canvas.height = height * dpi; canvas.style.width = width + 'px'; canvas.style.height = height + 'px'; gl.viewport( 0, 0, width * dpi, height * dpi ); gl.clearColor( 0, 0, 0, 0 ); this.uniforms.resolution = [ width, height ]; this.uniforms.projection = this.setProjection( aspect ); this.onResize( width, height, dpi ); }
setProjection( aspect ) { const camera = this.camera; if ( camera.perspective ) { camera.aspect = aspect; const fovRad = camera.fov * ( Math.PI / 180 ); const f = Math.tan( Math.PI * 0.5 - 0.5 * fovRad ); const rangeInv = 1.0 / ( camera.near - camera.far ); const matrix = [ f / camera.aspect, 0, 0, 0, 0, f, 0, 0, 0, 0, (camera.near + camera.far) * rangeInv, -1, 0, 0, camera.near * camera.far * rangeInv * 2, 0 ]; matrix[ 14 ] += camera.z; matrix[ 15 ] += camera.z; return matrix; } else { return [ 2 / this.width, 0, 0, 0, 0, -2 / this.height, 0, 0, 0, 0, 1, 0, -1, 1, 0, 1, ]; } }
createShader( type, source ) { const gl = this.gl; const shader = gl.createShader( type ); gl.shaderSource( shader, source ); gl.compileShader( shader ); if ( gl.getShaderParameter (shader, gl.COMPILE_STATUS ) ) { return shader; } else { console.log( gl.getShaderInfoLog( shader ) ); gl.deleteShader( shader ); } }
createProgram( vertex, fragment ) { const gl = this.gl; const vertexShader = this.createShader( gl.VERTEX_SHADER, vertex ); const fragmentShader = this.createShader( gl.FRAGMENT_SHADER, fragment ); const program = gl.createProgram(); gl.attachShader( program, vertexShader ); gl.attachShader( program, fragmentShader ); gl.linkProgram( program ); if ( gl.getProgramParameter( program, gl.LINK_STATUS ) ) { gl.useProgram( program ); this.program = program; } else { console.log( gl.getProgramInfoLog( program ) ); gl.deleteProgram( program ); } }
createUniforms( data ) { const gl = this.gl; const uniforms = this.data.uniforms = data; const values = this.uniforms = {}; Object.keys( uniforms ).forEach( name => { const uniform = uniforms[ name ]; uniform.location = gl.getUniformLocation( this.program, 'u_' + name ); Object.defineProperty( values, name, { set: value => { uniforms[ name ].value = value; this.setUniform( name, value ); }, get: () => uniforms[ name ].value } ); } ); }
setUniform( name, value ) { const gl = this.gl; const uniform = this.data.uniforms[ name ]; uniform.value = value; switch ( uniform.type ) { case 'int': { gl.uniform1i( uniform.location, value ); break; } case 'float': { gl.uniform1f( uniform.location, value ); break; } case 'vec2': { gl.uniform2f( uniform.location, ...value ); break; } case 'vec3': { gl.uniform3f( uniform.location, ...value ); break; } case 'vec4': { gl.uniform4f( uniform.location, ...value ); break; } case 'mat2': { gl.uniformMatrix2fv( uniform.location, false, value ); break; } case 'mat3': { gl.uniformMatrix3fv( uniform.location, false, value ); break; } case 'mat4': { gl.uniformMatrix4fv( uniform.location, false, value ); break; } } }
updateUniforms() { const gl = this.gl; const uniforms = this.data.uniforms; Object.keys( uniforms ).forEach( name => { const uniform = uniforms[ name ]; this.uniforms[ name ] = uniform.value; } ); }
createBuffers( data ) { const gl = this.gl; const buffers = this.data.buffers = data; const values = this.buffers = {}; Object.keys( buffers ).forEach( name => { const buffer = buffers[ name ]; buffer.buffer = this.createBuffer( 'a_' + name, buffer.size ); Object.defineProperty( values, name, { set: data => { buffers[ name ].data = data; this.setBuffer( name, data ); if ( name == 'position' ) this.count = buffers.position.data.length / 3; }, get: () => buffers[ name ].data } ); } ); }
createBuffer( name, size ) { const gl = this.gl; const program = this.program; const index = gl.getAttribLocation( program, name ); const buffer = gl.createBuffer(); gl.bindBuffer( gl.ARRAY_BUFFER, buffer ); gl.enableVertexAttribArray( index ); gl.vertexAttribPointer( index, size, gl.FLOAT, false, 0, 0 ); return buffer; }
setBuffer( name, data ) { const gl = this.gl; const buffers = this.data.buffers; if ( name == null && ! gl.bindBuffer( gl.ARRAY_BUFFER, null ) ) return; gl.bindBuffer( gl.ARRAY_BUFFER, buffers[ name ].buffer ); gl.bufferData( gl.ARRAY_BUFFER, new Float32Array( data ), gl.STATIC_DRAW ); }
updateBuffers() { const gl = this.gl; const buffers = this.buffers; Object.keys( buffers ).forEach( name => buffers[ name ] = buffer.data ); this.setBuffer( null ); }
createTexture( src ) { const gl = this.gl; const texture = gl.createTexture(); gl.bindTexture( gl.TEXTURE_2D, texture ); gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, new Uint8Array( [ 0, 0, 0, 0 ] ) ); this.texture = texture; if ( src ) { this.uniforms.hasTexture = 1; this.loadTexture( src ); } }
loadTexture( src ) { const gl = this.gl; const texture = this.texture; const textureImage = new Image(); textureImage.onload = () => { gl.bindTexture( gl.TEXTURE_2D, texture ); gl.texImage2D( gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, textureImage ); gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR ); gl.texParameteri( gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR ); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); }; textureImage.src = src; }
update() { const gl = this.gl; const now = performance.now(); const elapsed = ( now - this.time.start ) / 5000; const delta = now - this.time.old; this.time.old = now; this.uniforms.time = elapsed; if ( this.count > 0 ) { gl.clear( gl.COLORBUFFERBIT ); gl.drawArrays( gl.POINTS, 0, this.count ); } this.onUpdate( delta ); requestAnimationFrame( this.update ); }
}
const pointSize = 2.5;
const waves = new ShaderProgram( document.querySelector( '.waves' ), {
texture: 'data:image/png;base64,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',
uniforms: { size: { type: 'float', value: pointSize }, field: { type: 'vec3', value: [ 0, 0, 0 ] }, speed: { type: 'float', value: 5 }, },
vertex: `#define M_PI 3.1415926535897932384626433832795 precision highp float; attribute vec4 a_position; attribute vec4 a_color; uniform float u_time; uniform float u_size; uniform float u_speed; uniform vec3 u_field; uniform mat4 u_projection; varying vec4 v_color; void main() { vec3 pos = a_position.xyz; pos.y += ( cos(pos.x / u_field.x * M_PI * 8.0 + u_time * u_speed) + sin(pos.z / u.field.z * M_PI * 8.0 + u_time * u_speed) ) * u_field.y; gl_Position = u_projection * vec4( pos.xyz, a_position.w ); gl_PointSize = ( u_size / gl_Position.w ) * 100.0; v_color = a_color; }`,
fragment: `precision highp float; uniform sampler2D u_texture; varying vec4 v_color; void main() { gl_FragColor = v_color * texture2D(u_texture, gl_PointCoord); }`,
onResize( w, h, dpi ) { const position = [], color = []; const width = 400 * ( w / h ); const depth = 400; const height = 3; const distance = 5; for ( let x = 0; x < width; x += distance ) { for ( let z = 0; z < depth; z+= distance ) { position.push( - width / 2 + x, -30, -depth / 2 + z ); color.push( 0, 1 - ( x / width ) * 1, 0.5 + x / width * 0.5, z / depth ); } } this.uniforms.field = [ width, height, depth ]; this.buffers.position = position; this.buffers.color = color; this.uniforms.size = ( h / 400) * pointSize * dpi; },
} )
</script>
</body>
</html>
六、圆弧时钟动画
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Canvas 时钟</title>
<style>body { background-color:black; }</style>
</head>
<body>
<canvas id="canvas" width="500" height="500">cccc</canvas>
<script>
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
ctx.strokeStyle = '#00ffff'; ctx.lineWidth = 17; ctx.shadowBlur = 15; ctx.shadowColor = '#00ffff'
function degToRad(degree) { var factor = Math.PI / 180; return degree * factor; }
function renderTime() {
var now = new Date(); var today = now.toDateString(); var time = now.toLocaleTimeString();
var hrs = now.getHours(); var min = now.getMinutes(); var sec = now.getSeconds();
var mil = now.getMilliseconds(); var smoothsec = sec + (mil / 1000); var smoothmin = min + (smoothsec / 60);
gradient = ctx.createRadialGradient(250, 250, 5, 250, 250, 300);
gradient.addColorStop(0, "#03303a"); gradient.addColorStop(1, "black");
ctx.fillStyle = gradient; ctx.fillRect(0, 0, 500, 500);
ctx.beginPath(); ctx.arc(250, 250, 200, degToRad(270), degToRad((hrs * 30) - 90)); ctx.stroke();
ctx.beginPath(); ctx.arc(250, 250, 170, degToRad(270), degToRad((smoothmin * 6) - 90)); ctx.stroke();
ctx.beginPath(); ctx.arc(250, 250, 140, degToRad(270), degToRad((smoothsec * 6) - 90)); ctx.stroke();
ctx.font = "25px Helvetica"; ctx.fillStyle = 'rgba(00, 255, 255, 1)'; ctx.fillText(today, 175, 250);
ctx.font = "25px Helvetica Bold"; ctx.fillStyle = 'rgba(00, 255, 255, 1)'; ctx.fillText(time + ":" + mil, 175, 280);
}
setInterval(renderTime, 40);
</script>
</body>
</html>
七、正弦波浪像素动画
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>正弦波像素网格</title>
<style>* { margin:0; padding:0; } canvas { display:block; }</style>
</head>
<body>
<canvas></canvas>
<script>
var canvas = document.body.querySelector('canvas'), ctx = canvas.getContext('2d'), W = canvas.width = window.innerWidth, H = canvas.height = window.innerHeight, pixels = [];
for (var x = -400; x < 400; x += 5) { for (var z = -250; z < 250; z += 5) { pixels.push({x: x, y: 100, z: z}); } }
function render(ts) {
var imageData = ctx.getImageData(0, 0, W, H), len = pixels.length, fov = 250, pixel, scale, x2d, y2d, c;
for (var i = 0; i < len; i++) {
pixel = pixels[i]; scale = fov / (fov + pixel.z); x2d = pixel.x * scale + W / 2; y2d = pixel.y * scale + H / 2;
if(x2d >= 0 && x2d <= W && y2d >= 0 && y2d <= H) {
c = (Math.round(y2d) * imageData.width + Math.round(x2d)) * 4;
imageData.data[c] = 17; imageData.data[c + 1] = 122; imageData.data[c + 2] = 181; imageData.data[c + 3] = 255;
}
pixel.z -= 0.4; pixel.y = H / 14 + Math.sin(i / len * 15 + (ts / 450)) * 10;
if (pixel.z < -fov) pixel.z += 2 * fov;
}
ctx.putImageData(imageData, 0, 0);
}
(function drawFrame(ts){ requestAnimationFrame(drawFrame, canvas); ctx.fillStyle = '#17293a'; ctx.fillRect(0, 0, W, H); render(ts); }());
</script>
</body>
</html>
八、数字时钟效果
HTML/CSS/JS 实现的漂亮数字时钟，支持 12/24 小时制切换。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>漂亮的时钟效果</title>
<style>
.fa,.fab,.fad,.fal,.far,.fas{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-style:normal;font-variant:normal;text-rendering:auto;line-height:1}.fa-lg{font-size:1.33333em;line-height:.75em;vertical-align:-.0667em}.fa-xs{font-size:.75em}.fa-sm{font-size:.875em}.fa-1x{font-size:1em}.fa-2x{font-size:2em}.fa-3x{font-size:3em}.fa-4x{font-size:4em}.fa-5x{font-size:5em}.fa-6x{font-size:6em}.fa-7x{font-size:7em}.fa-8x{font-size:8em}.fa-9x{font-size:9em}.fa-10x{font-size:10em}.fa-fw{text-align:center;width:1.25em}.fa-ul{list-style-type:none;margin-left:2.5em;padding-left:0}.fa-ul>li{position:relative}.fa-li{left:-2em;position:absolute;text-align:center;width:2em;line-height:inherit}.fa-border{border:.08em solid #eee;border-radius:.1em;padding:.2em .25em .15em}.fa-pull-left{float:left}.fa-pull-right{float:right}.fa.fa-pull-left,.fab.fa-pull-left,.fal.fa-pull-left,.far.fa-pull-left,.fas.fa-pull-left{margin-right:.3em}.fa.fa-pull-right,.fab.fa-pull-right,.fal.fa-pull-right,.far.fa-pull-right,.fas.fa-pull-right{margin-left:.3em}.fa-spin{-webkit-animation:fa-spin 2s linear infinite;animation:fa-spin 2s linear infinite}.fa-pulse{-webkit-animation:fa-spin 1s steps(8) infinite;animation:fa-spin 1s steps(8) infinite}@-webkit-keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}@keyframes fa-spin{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}to{-webkit-transform:rotate(1turn);transform:rotate(1turn)}}.fa-rotate-90{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=1)";-webkit-transform:rotate(90deg);transform:rotate(90deg)}.fa-rotate-180{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=2)";-webkit-transform:rotate(180deg);transform:rotate(180deg)}.fa-rotate-270{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=3)";-webkit-transform:rotate(270deg);transform:rotate(270deg)}.fa-flip-horizontal{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=0, mirror=1)";-webkit-transform:scaleX(-1);transform:scaleX(-1)}.fa-flip-vertical{-webkit-transform:scaleY(-1);transform:scaleY(-1)}.fa-flip-both,.fa-flip-horizontal.fa-flip-vertical,.fa-flip-vertical{-ms-filter:"progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)"}.fa-flip-both,.fa-flip-horizontal.fa-flip-vertical{-webkit-transform:scale(-1);transform:scale(-1)}:root .fa-flip-both,:root .fa-flip-horizontal,:root .fa-flip-vertical,:root .fa-rotate-90,:root .fa-rotate-180,:root .fa-rotate-270{-webkit-filter:none;filter:none}.fa-stack{display:inline-block;height:2em;line-height:2em;position:relative;vertical-align:middle;width:2.5em}.fa-stack-1x,.fa-stack-2x{left:0;position:absolute;text-align:center;width:100%}.fa-stack-1x{line-height:inherit}.fa-stack-2x{font-size:2em}.fa-inverse{color:#fff}.fa-500px:before{content:"\f26e"}.fa-accessible-icon:before{content:"\f368"}.fa-accusoft:before{content:"\f369"}.fa-acquisitions-incorporated:before{content:"\f6af"}.fa-ad:before{content:"\f641"}.fa-address-book:before{content:"\f2b9"}.fa-address-card:before{content:"\f2bb"}.fa-adjust:before{content:"\f042"}.fa-adn:before{content:"\f170"}.fa-adversal:before{content:"\f36a"}.fa-affiliatetheme:before{content:"\f36b"}.fa-air-freshener:before{content:"\f5d0"}.fa-airbnb:before{content:"\f834"}.fa-algolia:before{content:"\f36c"}.fa-align-center:before{content:"\f037"}.fa-align-justify:before{content:"\f039"}.fa-align-left:before{content:"\f036"}.fa-align-right:before{content:"\f038"}.fa-alipay:before{content:"\f642"}.fa-allergies:before{content:"\f461"}.fa-amazon:before{content:"\f270"}.fa-amazon-pay:before{content:"\f42c"}.fa-ambulance:before{content:"\f0f9"}.fa-american-sign-language-interpreting:before{content:"\f2a3"}.fa-amilia:before{content:"\f36d"}.fa-anchor:before{content:"\f13d"}.fa-android:before{content:"\f17b"}.fa-angellist:before{content:"\f209"}.fa-angle-double-down:before{content:"\f103"}.fa-angle-double-left:before{content:"\f100"}.fa-angle-double-right:before{content:"\f101"}.fa-angle-double-up:before{content:"\f102"}.fa-angle-down:before{content:"\f107"}.fa-angle-left:before{content:"\f104"}.fa-angle-right:before{content:"\f105"}.fa-angle-up:before{content:"\f106"}.fa-angry:before{content:"\f556"}.fa-angrycreative:before{content:"\f36e"}.fa-angular:before{content:"\f420"}.fa-ankh:before{content:"\f644"}.fa-app-store:before{content:"\f36f"}.fa-app-store-ios:before{content:"\f370"}.fa-apper:before{content:"\f371"}.fa-apple:before{content:"\f179"}.fa-apple-alt:before{content:"\f5d1"}.fa-apple-pay:before{content:"\f415"}.fa-archive:before{content:"\f187"}.fa-archway:before{content:"\f557"}.fa-arrow-alt-circle-down:before{content:"\f358"}.fa-arrow-alt-circle-left:before{content:"\f359"}.fa-arrow-alt-circle-right:before{content:"\f35a"}.fa-arrow-alt-circle-up:before{content:"\f35b"}.fa-arrow-circle-down:before{content:"\f0ab"}.fa-arrow-circle-left:before{content:"\f0a8"}.fa-arrow-circle-right:before{content:"\f0a9"}.fa-arrow-circle-up:before{content:"\f0aa"}.fa-arrow-down:before{content:"\f063"}.fa-arrow-left:before{content:"\f060"}.fa-arrow-right:before{content:"\f061"}.fa-arrow-up:before{content:"\f062"}.fa-arrows-alt:before{content:"\f0b2"}.fa-arrows-alt-h:before{content:"\f337"}.fa-arrows-alt-v:before{content:"\f338"}.fa-artstation:before{content:"\f77a"}.fa-assistive-listening-systems:before{content:"\f2a2"}.fa-asterisk:before{content:"\f069"}.fa-asymmetrik:before{content:"\f372"}.fa-at:before{content:"\f1fa"}.fa-atlas:before{content:"\f558"}.fa-atlassian:before{content:"\f77b"}.fa-atom:before{content:"\f5d2"}.fa-audible:before{content:"\f373"}.fa-audio-description:before{content:"\f29e"}.fa-autoprefixer:before{content:"\f41c"}.fa-avianex:before{content:"\f374"}.fa-aviato:before{content:"\f421"}.fa-award:before{content:"\f559"}.fa-aws:before{content:"\f375"}.fa-baby:before{content:"\f77c"}.fa-baby-carriage:before{content:"\f77d"}.fa-backspace:before{content:"\f55a"}.fa-backward:before{content:"\f04a"}.fa-bacon:before{content:"\f7e5"}.fa-bacteria:before{content:"\e059"}.fa-bacterium:before{content:"\e05a"}.fa-bahai:before{content:"\f666"}.fa-balance-scale:before{content:"\f24e"}.fa-balance-scale-left:before{content:"\f515"}.fa-balance-scale-right:before{content:"\f516"}.fa-ban:before{content:"\f05e"}.fa-band-aid:before{content:"\f462"}.fa-bandcamp:before{content:"\f2d5"}.fa-barcode:before{content:"\f02a"}.fa-bars:before{content:"\f0c9"}.fa-baseball-ball:before{content:"\f433"}.fa-basketball-ball:before{content:"\f434"}.fa-bath:before{content:"\f2cd"}.fa-battery-empty:before{content:"\f244"}.fa-battery-full:before{content:"\f240"}.fa-battery-half:before{content:"\f242"}.fa-battery-quarter:before{content:"\f243"}.fa-battery-three-quarters:before{content:"\f241"}.fa-battle-net:before{content:"\f835"}.fa-bed:before{content:"\f236"}.fa-beer:before{content:"\f0fc"}.fa-behance:before{content:"\f1b4"}.fa-behance-square:before{content:"\f1b5"}.fa-bell:before{content:"\f0f3"}.fa-bell-slash:before{content:"\f1f6"}.fa-bezier-curve:before{content:"\f55b"}.fa-bible:before{content:"\f647"}.fa-bicycle:before{content:"\f206"}.fa-biking:before{content:"\f84a"}.fa-bimobject:before{content:"\f378"}.fa-binoculars:before{content:"\f1e5"}.fa-biohazard:before{content:"\f780"}.fa-birthday-cake:before{content:"\f1fd"}.fa-bitbucket:before{content:"\f171"}.fa-bitcoin:before{content:"\f379"}.fa-bity:before{content:"\f37a"}.fa-black-tie:before{content:"\f27e"}.fa-blackberry:before{content:"\f37b"}.fa-blender:befo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ent:"\f2ea"}.fa-uniregistry:before{content:"\f404"}.fa-unity:before{content:"\e049"}.fa-universal-access:before{content:"\f29a"}.fa-university:before{content:"\f19c"}.fa-unlink:before{content:"\f127"}.fa-unlock:before{content:"\f09c"}.fa-unlock-alt:before{content:"\f13e"}.fa-unsplash:before{content:"\e07c"}.fa-untappd:before{content:"\f405"}.fa-upload:before{content:"\f093"}.fa-ups:before{content:"\f7e0"}.fa-usb:before{content:"\f287"}.fa-user:before{content:"\f007"}.fa-user-alt:before{content:"\f406"}.fa-user-alt-slash:before{content:"\f4fa"}.fa-user-astronaut:before{content:"\f4fb"}.fa-user-check:before{content:"\f4fc"}.fa-user-circle:before{content:"\f2bd"}.fa-user-clock:before{content:"\f4fd"}.fa-user-cog:before{content:"\f4fe"}.fa-user-edit:before{content:"\f4ff"}.fa-user-friends:before{content:"\f500"}.fa-user-graduate:before{content:"\f501"}.fa-user-injured:before{content:"\f728"}.fa-user-lock:before{content:"\f502"}.fa-user-md:before{content:"\f0f0"}.fa-user-minus:before{content:"\f503"}.fa-user-ninja:before{content:"\f504"}.fa-user-nurse:before{content:"\f82f"}.fa-user-plus:before{content:"\f234"}.fa-user-secret:before{content:"\f21b"}.fa-user-shield:before{content:"\f505"}.fa-user-slash:before{content:"\f506"}.fa-user-tag:before{content:"\f507"}.fa-user-tie:before{content:"\f508"}.fa-user-times:before{content:"\f235"}.fa-users:before{content:"\f0c0"}.fa-users-cog:before{content:"\f509"}.fa-users-slash:before{content:"\e073"}.fa-usps:before{content:"\f7e1"}.fa-ussunnah:before{content:"\f407"}.fa-utensil-spoon:before{content:"\f2e5"}.fa-utensils:before{content:"\f2e7"}.fa-vaadin:before{content:"\f408"}.fa-vector-square:before{content:"\f5cb"}.fa-venus:before{content:"\f221"}.fa-venus-double:before{content:"\f226"}.fa-venus-mars:before{content:"\f228"}.fa-vest:before{content:"\e085"}.fa-vest-patches:before{content:"\e086"}.fa-viacoin:before{content:"\f237"}.fa-viadeo:before{content:"\f2a9"}.fa-viadeo-square:before{content:"\f2aa"}.fa-vial:before{content:"\f492"}.fa-vials:before{content:"\f493"}.fa-viber:before{content:"\f409"}.fa-video:before{content:"\f03d"}.fa-video-slash:before{content:"\f4e2"}.fa-vihara:before{content:"\f6a7"}.fa-vimeo:before{content:"\f40a"}.fa-vimeo-square:before{content:"\f194"}.fa-vimeo-v:before{content:"\f27d"}.fa-vine:before{content:"\f1ca"}.fa-virus:before{content:"\e074"}.fa-virus-slash:before{content:"\e075"}.fa-viruses:before{content:"\e076"}.fa-vk:before{content:"\f189"}.fa-vnv:before{content:"\f40b"}.fa-voicemail:before{content:"\f897"}.fa-volleyball-ball:before{content:"\f45f"}.fa-volume-down:before{content:"\f027"}.fa-volume-mute:before{content:"\f6a9"}.fa-volume-off:before{content:"\f026"}.fa-volume-up:before{content:"\f028"}.fa-vote-yea:before{content:"\f772"}.fa-vr-cardboard:before{content:"\f729"}.fa-vuejs:before{content:"\f41f"}.fa-walking:before{content:"\f554"}.fa-wallet:before{content:"\f555"}.fa-warehouse:before{content:"\f494"}.fa-watchman-monitoring:before{content:"\e087"}.fa-water:before{content:"\f773"}.fa-wave-square:before{content:"\f83e"}.fa-waze:before{content:"\f83f"}.fa-weebly:before{content:"\f5cc"}.fa-weibo:before{content:"\f18a"}.fa-weight:before{content:"\f496"}.fa-weight-hanging:before{content:"\f5cd"}.fa-weixin:before{content:"\f1d7"}.fa-whatsapp:before{content:"\f232"}.fa-whatsapp-square:before{content:"\f40c"}.fa-wheelchair:before{content:"\f193"}.fa-whmcs:before{content:"\f40d"}.fa-wifi:before{content:"\f1eb"}.fa-wikipedia-w:before{content:"\f266"}.fa-wind:before{content:"\f72e"}.fa-window-close:before{content:"\f410"}.fa-window-maximize:before{content:"\f2d0"}.fa-window-minimize:before{content:"\f2d1"}.fa-window-restore:before{content:"\f2d2"}.fa-windows:before{content:"\f17a"}.fa-wine-bottle:before{content:"\f72f"}.fa-wine-glass:before{content:"\f4e3"}.fa-wine-glass-alt:before{content:"\f5ce"}.fa-wix:before{content:"\f5cf"}.fa-wizards-of-the-coast:before{content:"\f730"}.fa-wodu:before{content:"\e088"}.fa-wolf-pack-battalion:before{content:"\f514"}.fa-won-sign:before{content:"\f159"}.fa-wordpress:before{content:"\f19a"}.fa-wordpress-simple:before{content:"\f411"}.fa-wpbeginner:before{content:"\f297"}.fa-wpexplorer:before{content:"\f2de"}.fa-wpforms:before{content:"\f298"}.fa-wpressr:before{content:"\f3e4"}.fa-wrench:before{content:"\f0ad"}.fa-x-ray:before{content:"\f497"}.fa-xbox:before{content:"\f412"}.fa-xing:before{content:"\f168"}.fa-xing-square:before{content:"\f169"}.fa-y-combinator:before{content:"\f23b"}.fa-yahoo:before{content:"\f19e"}.fa-yammer:before{content:"\f840"}.fa-yandex:before{content:"\f413"}.fa-yandex-international:before{content:"\f414"}.fa-yarn:before{content:"\f7e3"}.fa-yelp:before{content:"\f1e9"}.fa-yen-sign:before{content:"\f157"}.fa-yin-yang:before{content:"\f6ad"}.fa-yoast:before{content:"\f2b1"}.fa-youtube:before{content:"\f167"}.fa-youtube-square:before{content:"\f431"}.fa-zhihu:before{content:"\f63f"}.sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}.sr-only-focusable:active,.sr-only-focusable:focus{clip:auto;height:auto;margin:0;overflow:visible;position:static;width:auto}
* { font-family: 'Poppins', sans-serif; margin: 0; padding: 0; box-sizing: border-box; }
body { min-height: 100vh; display: flex; justify-content: center; align-items: center; background: #2e2e44; }
.digital-clock { position: relative; color: #fff; background: #2e2e44; width: 425px; padding: 20px 45px; box-shadow: 0 5px 25px rgba(14, 21, 37, 0.8); border-radius: 10px; display: flex; justify-content: center; align-items: center; flex-direction: column; }
.digital-clock:before { content: ''; position: absolute; background: linear-gradient(45deg, #24ff6d, #2f93f1, #ff5e9a); background-size: 200% 200%; top: -5px; left: -5px; bottom: -5px; right: -5px; z-index: -1; filter: blur(40px); animation: glowing 10s ease infinite; }
@keyframes glowing { 0% { background-position: 0 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }
.time { position: relative; display: flex; justify-content: center; align-items: center; }
.hours, .dots, .minutes { display: flex; justify-content: center; align-items: center; font-weight: 600; padding: 0 10px; line-height: 125px; }
.hours, .minutes { font-size: 6.5em; width: 125px; }
.dots { font-size: 5em; color: #929292; }
.hours { background: -webkit-linear-gradient(90deg, #634dff, #5fd4ff); -webkit-text-fill-color: transparent; -webkit-background-clip: text; }
.minutes { background: -webkit-linear-gradient(90deg, #ff5e9e, #ffb960); -webkit-text-fill-color: transparent; -webkit-background-clip: text; }
.right-side { position: relative; display: flex; justify-content: center; align-items: center; flex-direction: column; margin-left: 10px; }
.period, .seconds { font-size: 1.2em; font-weight: 500; }
.period { transform: translateY(-20px); background: -webkit-linear-gradient(90deg, #f7b63f, #faf879); -webkit-text-fill-color: transparent; -webkit-background-clip: text; }
.seconds { transform: translateY(16px); background: -webkit-linear-gradient(90deg, #24ff6d, #2f93f1); -webkit-text-fill-color: transparent; -webkit-background-clip: text; }
.calender { display: flex; justify-content: center; align-items: center; font-size: 1.3em; font-weight: 500; margin-bottom: 5px; background: -webkit-linear-gradient(90deg, #ae4af6, #ff98d1); -webkit-text-fill-color: transparent; -webkit-background-clip: text; }
.day-name, .day-num, .year { margin-left: 8px; }
.dot-menu-btn { position: absolute; top: 0; right: 0; margin: 10px; color: #efefef; font-size: 1.5em; cursor: pointer; }
.dot-menu { z-index: 999; position: absolute; top: 7px; right: 5px; list-style: none; background: #353e54; padding: 10px 20px; border-radius: 5px; box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5); visibility: hidden; opacity: 0; transition: 0.4s ease; }
.dot-menu.active { visibility: visible; opacity: 1; }
.menu-item { display: flex; justify-content: center; align-items: center; }
.clock-format-text { color: #efefef; font-size: 0.9em; margin-right: 20px; }
.format-switch-btn { width: 35px; height: 15px; background: #485470; border-radius: 75px; box-shadow: inset 2px 2px 4px rgba(255, 255, 255, 0.1), inset -2px -2px 4px rgba(0, 0, 0, 0.2); cursor: pointer; display: flex; justify-content: center; align-items: center; }
.format-switch-btn:before { content: ''; position: absolute; width: 14px; height: 14px; background: #ff5e9a; border-radius: 50%; box-shadow: 0 5px 25px #ff5e9a; transform: translateX(-10px); transition: 0.4s ease; transition-property: background, transform; }
.format-switch-btn.active:before { background: #0bff8d; box-shadow: 0 5px 25px #0bff8d; transform: translateX(10px); }
</style>
</head>
<body>
<div class="digital-clock">
<i class="fas fa-ellipsis-v uil uil-ellipsis-v dot-menu-btn" style="color:#fff" id="active-menu"></i>
<ul class="dot-menu" id="active-menu">
<li class="menu-item" id="active-menu">
<span class="clock-format-text" id="active-menu">24-Hour Format</span>
<div class="format-switch-btn" id="active-menu" date-format="12"></div>
</li>
</ul>
<div class="time">
<span class="hours">00</span>
<span class="dots">:</span>
<span class="minutes">00</span>
<div class="right-side">
<span class="period">AM/PM</span>
<span class="seconds">00</span>
</div>
</div>
<div class="calender">
<span class="month-name">Month</span>,
<span class="day-name">Day</span>
<span class="day-num">00</span>
</div>
</div>
<script>
const formatSwitchBtn = document.querySelector(".format-switch-btn");
formatSwitchBtn.addEventListener("click", () => {
formatSwitchBtn.classList.toggle("active");
var formatValue = formatSwitchBtn.getAttribute("date-format");
if (formatValue === "12") { formatSwitchBtn.setAttribute("date-format", "24"); }
else { formatSwitchBtn.setAttribute("date-format", "12"); }
});
function clock() {
var today = new Date();
var hours = today.getHours();
var minutes = today.getMinutes();
var seconds = today.getSeconds();
let period = "AM";
if (hours >= 12) { period = "PM"; }
var formatValue = formatSwitchBtn.getAttribute("date-format");
if (formatValue === "12") { hours = hours > 12 ? hours % 12 : hours; }
if (hours < 10) { hours = "0" + hours; }
if (minutes < ) { minutes = + minutes; }
(seconds < ) { seconds = + seconds; }
.(). = hours;
.(). = minutes;
.(). = period;
.(). = seconds;
}
updateClock = (clock, );
today = ();
dayNum = today.();
year = today.();
dayName = today.(, { : });
monthName = today.(, { : });
.(). = monthName;
.(). = dayName;
.(). = dayNum;
dotmenuBtn = .();
dotMenu = .();
dotmenuBtn.(, { dotMenu..(); });
.(, {
(e.. !== ) { dotMenu..(); }
});
</script>
</body>
</html>
10
"0"
if
10
"0"
document
querySelector
".hours"
innerHTML
document
querySelector
".minutes"
innerHTML
document
querySelector
".period"
innerHTML
document
querySelector
".seconds"
innerHTML
var
setInterval
1000
var
new
Date
const
getDate
const
getFullYear
const
toLocaleString
"default"
weekday
"long"
const
toLocaleString
"default"
month
"short"
document
querySelector
".month-name"
innerHTML
document
querySelector
".day-name"
innerHTML
document
querySelector
".day-num"
innerHTML
const
document
querySelector
".dot-menu-btn"
const
document
querySelector
".dot-menu"
addEventListener
"click"
() =>
classList
toggle
"active"
document
addEventListener
"click"
(e) =>
if
target
id
"active-menu"
classList
remove
"active"
