three+webgl实现文字悬浮拖拽水滴效果代码-html代码-BFW代码库

代码语言：html
所属分类：其他
代码描述：three+webgl实现文字悬浮拖拽水滴效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en" >
<head>
  <meta charset="UTF-8">
<style>
    body { margin: 0;  overflow: hidden; position: fixed;}
canvas { width: 100%; height: 100% }
</style>

</head>
<body>
<!-- partial:index.partial.html -->
<script id="vertexShader" type="x-shader/x-vertex">
varying vec2 vUv;
void main() {
	vUv = uv;
	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}
</script>

<script id="fragmentShader" type="x-shader/x-fragment">
varying vec2 vUv;

uniform sampler2D texture;
uniform sampler2D mask;
uniform sampler2D blur;
uniform float scale;


uniform float frequency;
uniform float amplitude;
uniform float speed;


uniform sampler2D uDistortionTexture;
uniform float time;
uniform float uDistortionFactor; // Factor used to control severity of the effect
uniform float uRiseFactor; // Factor used to control how fast air rises

void main() {

		vec2 uv = vUv;

	vec4 mask = texture2D(mask, uv);
	vec4 blur = texture2D(blur, uv);


		vec2 scaleCenter = vec2(0.5, 0.5);

		vec2 distMapUV = uv;
		// distMapUV.x -= time / 14.0;//* uRiseFactor;
	distMapUV.y -= time / 20.0;//* uRiseFactor;

	vec4 distMap = texture2D(uDistortionTexture, distMapUV);


	vec2 distPositionOffset = distMap.xy - vec2(0.1, 0.1);
		distPositionOffset -= vec2(0.25, 0.25);
		distPositionOffset.y *= 1.5;
		distPositionOffset.x *= -1.0;

	distPositionOffset *= 0.005 * (mask.a * 26.0);
	// distPositionOffset *= uDistortionFactor * 6.0 + (mask.a * 0.15);
	// distPositionOffset *= (mask.a) * (0.05 * 16.0);//uDistortionFactor * 16.0 + (mask.a * 0.55);

		vec2 distortedTextureCoordinate = uv.xy - vec2(0.0, 0.0) + distPositionOffset;

	vec4 final = texture2D(texture, (distortedTextureCoordinate - scaleCenter) * scale + scaleCenter );
	gl_FragColor = final;
}
</script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.84.js"></script>
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/TweenMax.min.js"></script>

<script >
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	var ctx = canvas.getContext( '2d' );

	var canvas2 = document.createElement( 'canvas' );
	var ctx2 = canvas2.getContext( '2d' );

	var w = 300;
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	var planeSize = 300;
	var radius = 200;

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	window.addEventListener('resize', onWindowResize);

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	maskImage.src = 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FaAxB3FqSa1dmGdPS97Davb1bE7l/wjudUJwpFpXuYCqtu+7RahGAtip4cJ4Xvv7I3IxPdSuA4IxYV4v3XhVpXegfZsGmcVgfSG.........完整代码请登录后点击上方下载按钮下载查看