Shaders are written in GLSL, but there are different versions of GLSL that it might be written in.
Calling this method on a p5.Shader will return the GLSL version it uses, either 100 es or 300 es. WebGL 1 shaders will only use 100 es, and WebGL 2 shaders may use either.
示例
语法
version()
参数
返回值
String: The GLSL version used by the shader.
Notice any errors or typos? Please let us know. Please feel free to edit src/webgl/p5.Shader.js and open a pull request!