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>

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

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

        var w = 300;
        var h = 300;
        var width = window.innerWidth;
        var height = window.innerHeight;
        var planeSize = 300;
        var radius = 200;

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        canvas.setAttribute('height', h);

        canvas2.setAttribute('width', w);
        canvas2.setAttribute('height', h);

        window.addEventListener('resize', onWindowResize);

        var maskImage = new Image();
        maskImage.src = "data:image/png;base64,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.........完整代码请登录后点击上方下载按钮下载查看