Function getPBR

Example

var color: vec4f = vec4(1.0);
let specularColor: vec3f = vec3(1.0);
let specularIntensity: f32 = 1.0;
let metallic: f32 = 0.5;
let roughness: f32 = 0.5;
let ior: f32 = 1.5;
let transmission: f32 = 0.0;
let dispersion: f32 = 0.0;
let thickness: f32 = 0.0;
let attenuationDistance: f32 = 1.0e38; // Should be infinity or close
let attenuationColor: vec3f = vec3(1.0);

color = getPBR(
  normal,
  worldPosition,
  color,
  viewDirection,
  metallic,
  roughness,
  specularIntensity,
  specularColor,
  ior,
  transmission,
  dispersion,
  thickness,
  attenuationDistance,
  attenuationColor,
);
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