html5 WebGL圖形背景動畫特效



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特效描述:html5 WebGL 圖形背景動畫特效,html5 canvas基于WebGL網頁背景裝飾形狀顯示使用。TweenMax、Three.js創建形狀和動畫酷炫背景動畫特效

代碼結構

1. 引入CSS

<link href="https://fonts.googleapis.com/css?family=Barlow:400,500,700|Playfair+Display" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="css/base.css" />
<link rel="stylesheet" type="text/css" href="css/demo1.css" />
<link href="https://fonts.googleapis.com/css?family=Barlow:400,500,700|Playfair+Display" rel="stylesheet">
<link rel="stylesheet" type="text/css" href="css/base.css" />
<link rel="stylesheet" type="text/css" href="css/demo1.css" />

2. 引入JS

<script src="js/demo.js"></script>
<script src="js/three.min.js"></script>
<script src="js/TweenMax.min.js"></script>
<script src="js/demo1.js"></script>
<script src="js/demo.js"></script>
<script src="js/three.min.js"></script>
<script src="js/TweenMax.min.js"></script>
<script src="js/demo1.js"></script>

3. HTML代碼

<!DOCTYPE html>
<html lang="en" class="no-js">
	<head>
		<meta charset="UTF-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Decorative WebGL Backgrounds | Demo 1 </title>
		<script>document.documentElement.className="js";var supportsCssVars=function(){var e,t=document.createElement("style");return t.innerHTML="root: { --tmp-var: bold; }",document.head.appendChild(t),e=!!(window.CSS&&window.CSS.supports&&window.CSS.supports("font-weight","var(--tmp-var)")),t.parentNode.removeChild(t),e};supportsCssVars()||alert("Please view this demo in a modern browser that supports CSS Variables.");</script>
	</head>
	<body class="demo-1">
		<svg class="hidden">
			<symbol id="icon-arrow" viewBox="0 0 24 24">
				<title>arrow</title>
				<polygon points="6.3,12.8 20.9,12.8 20.9,11.2 6.3,11.2 10.2,7.2 9,6 3.1,12 9,18 10.2,16.8 "/>
			</symbol>
			<symbol id="icon-drop" viewBox="0 0 24 24">
				<title>drop</title>
				<path d="M12,21c-3.6,0-6.6-3-6.6-6.6C5.4,11,10.8,4,11.4,3.2C11.6,3.1,11.8,3,12,3s0.4,0.1,0.6,0.3c0.6,0.8,6.1,7.8,6.1,11.2C18.6,18.1,15.6,21,12,21zM12,4.8c-1.8,2.4-5.2,7.4-5.2,9.6c0,2.9,2.3,5.2,5.2,5.2s5.2-2.3,5.2-5.2C17.2,12.2,13.8,7.3,12,4.8z"/><path d="M12,18.2c-0.4,0-0.7-0.3-0.7-0.7s0.3-0.7,0.7-0.7c1.3,0,2.4-1.1,2.4-2.4c0-0.4,0.3-0.7,0.7-0.7c0.4,0,0.7,0.3,0.7,0.7C15.8,16.5,14.1,18.2,12,18.2z"/>
			</symbol>
			<symbol id="icon-github" viewBox="0 0 32.6 31.8">
				<title>github</title>
				<path d="M16.3,0C7.3,0,0,7.3,0,16.3c0,7.2,4.7,13.3,11.1,15.5c0.8,0.1,1.1-0.4,1.1-0.8c0-0.4,0-1.4,0-2.8c-4.5,1-5.5-2.2-5.5-2.2c-0.7-1.9-1.8-2.4-1.8-2.4c-1.5-1,0.1-1,0.1-1c1.6,0.1,2.5,1.7,2.5,1.7c1.5,2.5,3.8,1.8,4.7,1.4c0.1-1.1,0.6-1.8,1-2.2c-3.6-0.4-7.4-1.8-7.4-8.1c0-1.8,0.6-3.2,1.7-4.4C7.4,10.7,6.8,9,7.7,6.8c0,0,1.4-0.4,4.5,1.7c1.3-0.4,2.7-0.5,4.1-0.5c1.4,0,2.8,0.2,4.1,0.5c3.1-2.1,4.5-1.7,4.5-1.7c0.9,2.2,0.3,3.9,0.2,4.3c1,1.1,1.7,2.6,1.7,4.4c0,6.3-3.8,7.6-7.4,8c0.6,0.5,1.1,1.5,1.1,3c0,2.2,0,3.9,0,4.5c0,0.4,0.3,0.9,1.1,0.8c6.5-2.2,11.1-8.3,11.1-15.5C32.6,7.3,25.3,0,16.3,0z"/>
			</symbol>
			<symbol id="icon-keyboard" viewBox="0 0 100 70">
				<title>keyboard</title>
				<!-- https://thenounproject.com/term/keyboard/783/ by Paul te Kortschot from the Noun Project -->
				<path d="M 60.94,1.83 39.22,1.83 C 36.71,1.83 34.67,3.86 34.67,6.376 L 34.67,28.1 C 34.67,30.61 36.71,32.65 39.22,32.65 L 60.94,32.65 C 63.45,32.65 65.5,30.61 65.5,28.1 L 65.5,6.376 C 65.5,3.86 63.45,1.83 60.94,1.83 Z M 44.79,18.63 50.08,11.74 55.37,18.63 Z" opacity="0.2"/>
				<path d="M 60.86,36.75 39.14,36.75 C 36.63,36.75 34.59,38.79 34.59,41.3 L 34.59,63.02 C 34.59,65.53 36.63,67.57 39.14,67.57 L 60.86,67.57 C 63.38,67.57 65.41,65.53 65.41,63.02 L 65.41,41.3 C 65.42,38.79 63.38,36.75 60.86,36.75 Z M 50.08,57.45 44.79,50.55 55.37,50.55 Z" opacity="0.2" />
				<path d="M 95.45,36.75 73.73,36.75 C 71.22,36.75 69.18,38.79 69.18,41.3 L 69.18,63.02 C 69.18,65.53 71.22,67.57 73.73,67.57 L 95.45,67.57 C 97.97,67.57 100,65.53 100,63.02 L 100,41.3 C 100,38.79 97.97,36.75 95.45,36.75 Z M 83.4,57.45 83.4,46.86 90.3,52.16 Z" />
				<path d="M 26.27,36.75 4.55,36.75 C 2.037,36.75 0,38.79 0,41.3 L 0,63.02 C 0,65.53 2.037,67.57 4.55,67.57 L 26.27,67.57 C 28.78,67.57 30.82,65.53 30.82,63.02 L 30.82,41.3 C 30.82,38.79 28.78,36.75 26.27,36.75 Z M 16.69,57.45 9.79,52.16 16.69,46.86 Z" />
			</symbol>
		</svg>
		<main>
			<div class="content content--fixed">
				<nav class="demos">
					<svg class="icon icon--keyboard"><use xlink:href="#icon-keyboard"></use></svg>
					<a class="demo demo--current" href="index.html"><span>Demo 1</span></a>
					<a class="demo" href="index2.html"><span>Demo 2</span></a>
					<a class="demo" href="index3.html"><span>Demo 3</span></a>
					<a class="demo" href="index4.html"><span>Demo 4</span></a>
					<a class="demo" href="index5.html"><span>Demo 5</span></a>
					<a class="demo" href="index6.html"><span>Demo 6</span></a>
				</nav>
			</div>
			<div class="content">
				<canvas class="scene scene--full" id="scene"></canvas>
				<script type="x-shader/x-vertex" id="wrapVertexShader">
					attribute float size;
					attribute vec3 color;
					varying vec3 vColor;
					void main() {
						vColor = color;
						vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
						gl_PointSize = size * ( 350.0 / - mvPosition.z );
						gl_Position = projectionMatrix * mvPosition;
					}
				</script>
				<script type="x-shader/x-fragment" id="wrapFragmentShader">
					varying vec3 vColor;
					uniform sampler2D texture;
					void main(){
						vec4 textureColor = texture2D( texture, gl_PointCoord );
						if ( textureColor.a < 0.3 ) discard;
						vec4 color = vec4(vColor.xyz, 1.0) * textureColor;
						gl_FragColor = color;
					}
				</script>
				<div class="content__inner">
					<h2 class="content__title">Information</h2>
					<h3 class="content__subtitle">Data Science</h2>
				</div>
			</div>
		</main>
	</body>
</html>



用戶評論
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