@woosh/meep-engine/src/engine/graphics/sh3/gi/material/space_fragment/build_vertex_shader.js

Pure JavaScript game engine. Fully featured and production ready.

import { insert_after } from "../../../../../../core/primitives/strings/insert_after.js";


const PREAMBLE = `
    varying vec3 vWorldPosition;
`;

/**
 *
 * @param {string} source
 */
export function build_vertex_shader(source) {

    let result = PREAMBLE + source;

    result = insert_after(
        result,
        '#include <fog_vertex>',
        `
        {
            vWorldPosition = worldPosition.xyz;
        }
        `
    );

    // console.log(result)

    return result;
}