webgl+canvas实现三维小宇宙眼球拖拽旋转效果代码-html代码-BFW代码库

webgl+canvas实现三维小宇宙眼球拖拽旋转效果代码

代码语言：html

所属分类：三维

代码描述：webgl+canvas实现三维小宇宙眼球拖拽旋转效果代码

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">
  

  
</head>

<body>
  
  
      <script  >
const canvas = document.createElement("canvas");
const gl = canvas.getContext("webgl2");

document.title = "🤖";
document.body.innerHTML = "";
document.body.appendChild(canvas);
document.body.style = "margin:0;touch-action:none;overflow:hidden;";
canvas.style.width = "100%";
canvas.style.height = "auto";
canvas.style.userSelect = "none";

const dpr = window.devicePixelRatio;

function resize() {
  const {
    innerWidth: width,
    innerHeight: height } =
  window;

  canvas.width = width * dpr;
  canvas.height = height * dpr;

  gl.viewport(0, 0, width * dpr, height * dpr);
}
window.onresize = resize;

const vertexSource = `#version 300 es
    #ifdef GL_FRAGMENT_PRECISION_HIGH
    precision highp float;
    #else
    precision mediump float;
    #endif

    in vec4 position;

    void main(void) {
        gl_Position = position;
    }
    `;

const fragmentSource = `#version 300 es
  .........完整代码请登录后点击上方下载按钮下载查看