webgl学习路线总结

API:
https://developer.mozilla.org/zh-CN/docs/Web/API/WebGL_API
WebGL 3D Perspective:
https://webglfundamentals.org/webgl/lessons/zh_cn/webgl-3d-orthographic.html#toc
https://webglfundamentals.org/webgl/lessons/webgl-3d-perspective.html
webgl-examples:
https://github.com/mdn/webgl-examples/
一个使用方便的 JavaScript处理向量和矩阵运算的库。sylvester:
http://sylvester.jcoglan.com/docs.html
性能监视器(监视FPS):
https://github.com/mrdoob/stats.js
动画引擎
https://github.com/tweenjs/tween.js
 
顶点着色器根据需要, 也可以完成其他工作。例如,决定哪个包含  texel面部纹理的坐标,可以应用于顶点;通过法线来确定应用到顶点的光照因子等。依此类推,这些信息可以存储在 变化(varying)或 属性(attributes)属性中,以便与片段着色器共享

  等价于:

`
      attribute vec3 aVertexPosition;
      attribute vec4 aVertexColor;
    
      uniform mat4 uMVMatrix;
      uniform mat4 uPMatrix;
      
      varying lowp vec4 vColor;
    
      void main(void) {
        gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);
        vColor = aVertexColor;
      }
    `

  等价于:

[
 "attribute vec3 aVertexPosition;",
 "attribute vec4 aVertexColor;",
 "uniform mat4 uMVMatrix;",
 "uniform mat4 uPMatrix;",
 "varying lowp vec4 vColor;",
 "void main(void) {",
  "gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);",
  "vColor = aVertexColor;",
 "}"
].join( "\n" );

  

转载于:https://www.cnblogs.com/guxingzhe/p/8425382.html

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