Babylon.js/materialsLibrary/src/grid/grid.vertex.fx.ts

import { Effect } from "babylonjs";

let name = 'gridVertexShader';
let shader = `precision highp float;

attribute vec3 position;
attribute vec3 normal;

uniform mat4 projection;
uniform mat4 world;
uniform mat4 view;
uniform mat4 worldView;

#ifdef TRANSPARENT
varying vec4 vCameraSpacePosition;
#endif
varying vec3 vPosition;
varying vec3 vNormal;
#include<fogVertexDeclaration>
void main(void) {
#ifdef FOG
vec4 worldPos=world*vec4(position,1.0);
#endif
#include<fogVertex>
vec4 cameraSpacePosition=worldView*vec4(position,1.0);
gl_Position=projection*cameraSpacePosition;
#ifdef TRANSPARENT
vCameraSpacePosition=cameraSpacePosition;
#endif
vPosition=position;
vNormal=normal;
}`;

Effect.ShadersStore[name] = shader;

export { shader, name };