gpu-curtains/dist/esm/core/shaders/chunks/fragment/head/get-lambert-direct.mjs

gpu-curtains is a 3D WebGPU rendering engine. It can be used as a standalone 3D engine, but also includes extra classes focused on mapping 3d objects to DOM elements; It allows users to synchronize values such as position, sizing, or scale between them.

//#region src/core/shaders/chunks/fragment/head/get-lambert-direct.ts
/** Helper function chunk appended internally and used to compute Lambert direct light contributions. */
const getLambertDirect = `
fn getLambertDirect(
  normal: vec3f,
  diffuseColor: vec3f,
  directLight: DirectLight,
  ptr_reflectedLight: ptr<function, ReflectedLight>
) {
  let NdotL = saturate(dot(normal, directLight.direction));
  
  let irradiance: vec3f = NdotL * directLight.color;
  (*ptr_reflectedLight).directDiffuse += irradiance * BRDF_Lambert( diffuseColor );
}
`;
//#endregion
export { getLambertDirect };