制作一款情人节一款带音乐播放的情人节网页背景素材。随着音乐旋转如钻石般的大爱心和满屏大小颜色不一的小爱心浪漫又梦幻，是情人节不可多得的网页素材哦。
演示地址:点我查看演示
代码实现
html
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>With Love</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://use.typekit.net/trt3ngp.css"><link rel="stylesheet" href="./style.css">
</head>
<body>
<!-- partial:index.partial.html -->
<canvas class="webgl"></canvas>
<h1>
With Love
</h1>
<button id="play-music" type="button" aria-label="Play music"><svg fill="currentColor" viewBox="0 0 512 512" width="100" title="music">
<path d="M470.38 1.51L150.41 96A32 32 0 0 0 128 126.51v261.41A139 139 0 0 0 96 384c-53 0-96 28.66-96 64s43 64 96 64 96-28.66 96-64V214.32l256-75v184.61a138.4 138.4 0 0 0-32-3.93c-53 0-96 28.66-96 64s43 64 96 64 96-28.65 96-64V32a32 32 0 0 0-41.62-30.49z" />
</svg></button>
<script type="x-shader/x-vertex" id="vertexShader"> #define M_PI 3.1415926535897932384626433832795 uniform float uTime; uniform float uSize; attribute float aScale; attribute vec3 aColor; attribute float random; attribute float random1; attribute float aSpeed; varying vec3 vColor; varying vec2 vUv; void main() {
float sign = 2.0* (step(random, 0.5) -.5); float t = sign*mod(-uTime * aSpeed* 0.005 + 10.0*aSpeed*aSpeed, M_PI); float a = pow(t, 2.1) * pow((t - sign * M_PI), 2.3); float radius = 0.14; vec3 myOffset = vec3(t, t, 0.0); myOffset = vec3(radius *16.0 * pow(sin(t), 2.0) * sin(t), radius * (13.0 * cos(t) - 5.0 * cos(2.0 * t) - 2.0 * cos(3.0 * t) - cos(4.0 * t)), .15*(a*(random1 - .5))*sin(abs(10.0*(sin(.2*uTime + .2*random)))*t)); vec3 displacedPosition = myOffset; vec4 modelPosition = modelMatrix * vec4(displacedPosition.xyz, 1.0); vec4 viewPosition = viewMatrix * modelPosition; viewPosition.xyz += position * aScale * uSize * pow(a, .5) * .5; gl_Position = projectionMatrix * viewPosition; vColor = aColor; vUv = uv; } </script>
<script type="x-shader/x-fragment" id="fragmentShader"> varying vec3 vColor; varying vec2 vUv; void main() {
vec2 uv = vUv; vec3 color = vColor; float strength = distance(uv, vec2(0.5)); strength *= 2.0; strength = 1.0 - strength; gl_FragColor = vec4(strength * color, 1.0); } </script>
<script type="x-shader/x-vertex" id="vertexShader1"> #define M_PI 3.1415926535897932384626433832795 uniform float uTime; uniform float uSize; attribute float aScale; attribute vec3 aColor; attribute float phi; attribute float random; attribute float random1; varying vec3 vColor; varying vec2 vUv; void main() {
float t = 0.01 * uTime + 12.0; float angle = phi; t = mod((-uTime + 100.0) * 0.06* random1 + random *2.0 * M_PI , 2.0 * M_PI); vec3 myOffset = vec3(5.85*cos(angle * (t )), 2.0*(t - M_PI), 3.0*sin(angle * (t )/t)); vec4 modelPosition = modelMatrix * vec4(myOffset, 1.0); vec4 viewPosition = viewMatrix * modelPosition; viewPosition.xyz += position * aScale * uSize; gl_Position = projectionMatrix * viewPosition; vColor = aColor; vUv = uv; } </script>
<script type="x-shader/x-fragment" id="fragmentShader1"> uniform sampler2D uTex; varying vec3 vColor; varying vec2 vUv; void main() {
vec2 uv = vUv; vec3 color = vColor; float strength = distance(uv, vec2(0.5, .65)); strength *= 2.0; strength = 1.0 - strength; vec3 texture = texture2D(uTex, uv).rgb; gl_FragColor = vec4(texture * color * (strength + .3), 1.); } </script>
<!-- partial -->
<script type="module" src="./script.js"></script>
</body>
</html>
css
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html, body {
overflow: hidden;
background: #16000a;
}
body {
-webkit-font-smoothing: antialiased;
color: #ffdada;
}
.webgl {
position: fixed;
width: 100vw;
height: 100vh;
top: 0;
left: 0;
outline: none;
}
body::before {
content: "";
position: absolute;
border: 8px solid;
inset: 1rem;
z-index: 100;
pointer-events: none;
}
h1 {
position: absolute;
top: 10vh;
left: 2.5rem;
right: 1rem;
text-align: center;
font-family: ador-hairline, sans-serif;
font-weight: 900;
font-size: max(1rem, 3vh);
}
button {
position: absolute;
left: 0;
top: 0;
bottom: 0;
height: 12vh;
width: 12vh;
transform: translateY(2vh);
right: 0;
margin: auto;
-webkit-appearance: none;
background: transparent;
color: inherit;
border: none;
cursor: pointer;
}
svg {
width: 3.5vh;
}
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