展示
代码
CSS代码:
.noise {
height: 500px;
background-color: #333;
position: relative;
}
.noise canvas {
height: 100%; width: 100%;
opacity: .2;
}
.noise::before {
/* 边缘略暗,让界面更有质感 */
content: '';
position: absolute; top: 0; right: 0; bottom: 0; left: 0;
background-image: radial-gradient(rgba(0,0,0,0),rgba(0,0,0,.4));
}
HTML代码:
<canvas id="nosicCanvas"></canvas>
JS代码:
// 参见页面源代码