three实现照片粒子化交互动画效果代码
代码语言:html
所属分类:粒子
代码描述:three实现照片粒子化交互动画效果代码
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; cursor: none; overflow: hidden; } canvas{ width: 100%; height: 100vh; display: block; } .content{ overflow: hidden; } .cursor{ position: absolute; top: 0; left: 0; z-index: 100; width: 50px; height: 50px; border-radius: 50%; pointer-events: none; border: 1px solid rgba(255,255,255, 0.7); } </style> </head> <body> <!-- partial:index.partial.html --> <div class="content"> <div id="content-canvas"></div> <div class="cursor"> <div class="pointer"></div> </div> </div> <script id="vertexShader" type="f"> #define TAU 6.28318530718 precision highp float; attribute float pindex; attribute vec3 position; attribute vec3 offset; attribute vec2 uv; attribute float angle; uniform mat4 modelViewMatrix; uniform mat4 projectionMatrix; uniform float uTime; uniform float uRandom; uniform float uDepth; uniform float uSize; uniform vec3 uMouse; uniform vec2 uTextureSize; uniform sampler2D uTexture; uniform sampler2D uTouch; varying vec2 vPUv; varying vec2 vUv; // Description : Array and textureless GLSL 2D simplex noise function. // Author : Ian McEwan, Ashima Arts. // Maintainer : ijm // Lastmod : 20110822 (ijm) // License : Copyright (C) 2011 Ashima Arts. All rights reserved. // Distributed under the MIT License. See LICENSE file. // https://github.com/ashima/webgl-noise // vec3 mod289_1_0(vec3 x) { return x - floor(x * (1.0 / 289.0)) * 289.0; } vec2 mod289_1_0(vec2 x) { return x - floor(x * (1.0 / 289.0)) * 289.0; } vec3 permute_1_1(vec3 x) { return mod289_1_0(((x*34.0)+1.0)*x); } float snoise_1_2(vec2 v){ const vec4 C = vec4(0.211324865405187, // (3.0-sqrt(3.0))/6.0 0.366025403784439, // 0.5*(sqrt(3.0)-1.0) -0.577350269189626, // -1.0 + 2.0 * C.x 0.024390243902439); // 1.0 / 41.0 // First corner vec2 i = floor(v + dot(v, C.yy) ); vec2 x0 = v - i + dot(i, C.xx); // Other corners vec2 i1; //i1.x = step( x0.y, x0.x ); // x0.x > x0.y ? 1.0 : 0.0 //i1.y = 1.0 - i1.x; i1 = (x0.x > x0.y) ? vec2(1.0, 0.0) : vec2(0.0, 1.0); // x0 = x0 - 0.0 + 0.0 * C.xx ; // x1 = x0 - i1 + 1.0 * C.xx ; // x2 = x0 - 1.0 + 2.0 * C.xx ; vec4 x12 = x0.xyxy + C.xxzz; x12.xy -= i1; // Permutations i = mo.........完整代码请登录后点击上方下载按钮下载查看
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